diff options
Diffstat (limited to 'package/boot/uboot-xburst/files/cpu')
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/jz4740.c | 559 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/jz4740_nand.c | 199 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/jz_lcd.c | 484 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/jz_lcd.h | 260 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/jz_mmc.c | 1416 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/jz_mmc.h | 113 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/jz_serial.c | 141 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/mmc_protocol.h | 273 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c | 420 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.h | 234 | ||||
| -rw-r--r-- | package/boot/uboot-xburst/files/cpu/mips/usb_boot.S | 880 |
11 files changed, 4979 insertions, 0 deletions
diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz4740.c b/package/boot/uboot-xburst/files/cpu/mips/jz4740.c new file mode 100644 index 0000000..5ae5797 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/jz4740.c @@ -0,0 +1,559 @@ +/* + * Jz4740 common routines + * + * Copyright (c) 2006 + * Ingenic Semiconductor, <jlwei@ingenic.cn> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> + +#ifdef CONFIG_JZ4740 +#include <common.h> +#include <command.h> +#include <asm/jz4740.h> + +extern void board_early_init(void); + +/* PLL output clock = EXTAL * NF / (NR * NO) + * + * NF = FD + 2, NR = RD + 2 + * NO = 1 (if OD = 0), NO = 2 (if OD = 1 or 2), NO = 4 (if OD = 3) + */ +void pll_init(void) +{ + register unsigned int cfcr, plcr1; + int n2FR[33] = { + 0, 0, 1, 2, 3, 0, 4, 0, 5, 0, 0, 0, 6, 0, 0, 0, + 7, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, + 9 + }; + int div[5] = {1, 3, 3, 3, 3}; /* divisors of I:S:P:L:M */ + int nf, pllout2; + + cfcr = CPM_CPCCR_CLKOEN | + CPM_CPCCR_PCS | + (n2FR[div[0]] << CPM_CPCCR_CDIV_BIT) | + (n2FR[div[1]] << CPM_CPCCR_HDIV_BIT) | + (n2FR[div[2]] << CPM_CPCCR_PDIV_BIT) | + (n2FR[div[3]] << CPM_CPCCR_MDIV_BIT) | + (n2FR[div[4]] << CPM_CPCCR_LDIV_BIT); + + pllout2 = (cfcr & CPM_CPCCR_PCS) ? CONFIG_SYS_CPU_SPEED : (CONFIG_SYS_CPU_SPEED / 2); + + /* Init USB Host clock, pllout2 must be n*48MHz */ + REG_CPM_UHCCDR = pllout2 / 48000000 - 1; + + nf = CONFIG_SYS_CPU_SPEED * 2 / CONFIG_SYS_EXTAL; + plcr1 = ((nf - 2) << CPM_CPPCR_PLLM_BIT) | /* FD */ + (0 << CPM_CPPCR_PLLN_BIT) | /* RD=0, NR=2 */ + (0 << CPM_CPPCR_PLLOD_BIT) | /* OD=0, NO=1 */ + (0x20 << CPM_CPPCR_PLLST_BIT) | /* PLL stable time */ + CPM_CPPCR_PLLEN; /* enable PLL */ + + /* init PLL */ + REG_CPM_CPCCR = cfcr; + REG_CPM_CPPCR = plcr1; +} + +void pll_add_test(int new_freq) +{ + register unsigned int cfcr, plcr1; + int n2FR[33] = { + 0, 0, 1, 2, 3, 0, 4, 0, 5, 0, 0, 0, 6, 0, 0, 0, + 7, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, + 9 + }; + int div[5] = {1, 4, 4, 4, 4}; /* divisors of I:S:P:M:L */ + int nf, pllout2; + + cfcr = CPM_CPCCR_CLKOEN | + (n2FR[div[0]] << CPM_CPCCR_CDIV_BIT) | + (n2FR[div[1]] << CPM_CPCCR_HDIV_BIT) | + (n2FR[div[2]] << CPM_CPCCR_PDIV_BIT) | + (n2FR[div[3]] << CPM_CPCCR_MDIV_BIT) | + (n2FR[div[4]] << CPM_CPCCR_LDIV_BIT); + + pllout2 = (cfcr & CPM_CPCCR_PCS) ? new_freq : (new_freq / 2); + + /* Init UHC clock */ + REG_CPM_UHCCDR = pllout2 / 48000000 - 1; + + /* nf = new_freq * 2 / CONFIG_SYS_EXTAL; */ + nf = new_freq / 1000000; /* step length is 1M */ + plcr1 = ((nf - 2) << CPM_CPPCR_PLLM_BIT) | /* FD */ + (10 << CPM_CPPCR_PLLN_BIT) | /* RD=0, NR=2 */ + (0 << CPM_CPPCR_PLLOD_BIT) | /* OD=0, NO=1 */ + (0x20 << CPM_CPPCR_PLLST_BIT) | /* PLL stable time */ + CPM_CPPCR_PLLEN; /* enable PLL */ + + /* init PLL */ + REG_CPM_CPCCR = cfcr; + REG_CPM_CPPCR = plcr1; +} + +void calc_clocks_add_test(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + unsigned int pllout; + unsigned int div[10] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32}; + + pllout = __cpm_get_pllout(); + + gd->cpu_clk = pllout / div[__cpm_get_cdiv()]; + gd->sys_clk = pllout / div[__cpm_get_hdiv()]; + gd->per_clk = pllout / div[__cpm_get_pdiv()]; + gd->mem_clk = pllout / div[__cpm_get_mdiv()]; + gd->dev_clk = CONFIG_SYS_EXTAL; +} + +void sdram_add_test(int new_freq) +{ + register unsigned int dmcr, sdmode, tmp, cpu_clk, mem_clk, ns; + + unsigned int cas_latency_sdmr[2] = { + EMC_SDMR_CAS_2, + EMC_SDMR_CAS_3, + }; + + unsigned int cas_latency_dmcr[2] = { + 1 << EMC_DMCR_TCL_BIT, /* CAS latency is 2 */ + 2 << EMC_DMCR_TCL_BIT /* CAS latency is 3 */ + }; + + int div[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32}; + + cpu_clk = new_freq; + mem_clk = cpu_clk * div[__cpm_get_cdiv()] / div[__cpm_get_mdiv()]; + + REG_EMC_RTCSR = EMC_RTCSR_CKS_DISABLE; + REG_EMC_RTCOR = 0; + REG_EMC_RTCNT = 0; + + /* Basic DMCR register value. */ + dmcr = ((SDRAM_ROW-11)<<EMC_DMCR_RA_BIT) | + ((SDRAM_COL-8)<<EMC_DMCR_CA_BIT) | + (SDRAM_BANK4<<EMC_DMCR_BA_BIT) | + (SDRAM_BW16<<EMC_DMCR_BW_BIT) | + EMC_DMCR_EPIN | + cas_latency_dmcr[((SDRAM_CASL == 3) ? 1 : 0)]; + + /* SDRAM timimg parameters */ + ns = 1000000000 / mem_clk; + +#if 0 + tmp = SDRAM_TRAS/ns; + if (tmp < 4) tmp = 4; + if (tmp > 11) tmp = 11; + dmcr |= ((tmp-4) << EMC_DMCR_TRAS_BIT); + + tmp = SDRAM_RCD/ns; + if (tmp > 3) tmp = 3; + dmcr |= (tmp << EMC_DMCR_RCD_BIT); + + tmp = SDRAM_TPC/ns; + if (tmp > 7) tmp = 7; + dmcr |= (tmp << EMC_DMCR_TPC_BIT); + + tmp = SDRAM_TRWL/ns; + if (tmp > 3) tmp = 3; + dmcr |= (tmp << EMC_DMCR_TRWL_BIT); + + tmp = (SDRAM_TRAS + SDRAM_TPC)/ns; + if (tmp > 14) tmp = 14; + dmcr |= (((tmp + 1) >> 1) << EMC_DMCR_TRC_BIT); +#else + dmcr |= 0xfffc; +#endif + + /* First, precharge phase */ + REG_EMC_DMCR = dmcr; + + /* Set refresh registers */ + tmp = SDRAM_TREF/ns; + tmp = tmp/64 + 1; + if (tmp > 0xff) tmp = 0xff; + + REG_EMC_RTCOR = tmp; + REG_EMC_RTCSR = EMC_RTCSR_CKS_64; /* Divisor is 64, CKO/64 */ + + /* SDRAM mode values */ + sdmode = EMC_SDMR_BT_SEQ | + EMC_SDMR_OM_NORMAL | + EMC_SDMR_BL_4 | + cas_latency_sdmr[((SDRAM_CASL == 3) ? 1 : 0)]; + + /* precharge all chip-selects */ + REG8(EMC_SDMR0|sdmode) = 0; + + /* wait for precharge, > 200us */ + tmp = (cpu_clk / 1000000) * 200; + while (tmp--); + + /* enable refresh and set SDRAM mode */ + REG_EMC_DMCR = dmcr | EMC_DMCR_RFSH | EMC_DMCR_MRSET; + + /* write sdram mode register for each chip-select */ + REG8(EMC_SDMR0|sdmode) = 0; + + /* everything is ok now */ +} + +void sdram_init(void) +{ + register unsigned int dmcr0, dmcr, sdmode, tmp, cpu_clk, mem_clk, ns; + + unsigned int cas_latency_sdmr[2] = { + EMC_SDMR_CAS_2, + EMC_SDMR_CAS_3, + }; + + unsigned int cas_latency_dmcr[2] = { + 1 << EMC_DMCR_TCL_BIT, /* CAS latency is 2 */ + 2 << EMC_DMCR_TCL_BIT /* CAS latency is 3 */ + }; + + int div[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32}; + + cpu_clk = CONFIG_SYS_CPU_SPEED; + mem_clk = cpu_clk * div[__cpm_get_cdiv()] / div[__cpm_get_mdiv()]; + + REG_EMC_BCR = 0; /* Disable bus release */ + REG_EMC_RTCSR = 0; /* Disable clock for counting */ + + /* Fault DMCR value for mode register setting*/ +#define SDRAM_ROW0 11 +#define SDRAM_COL0 8 +#define SDRAM_BANK40 0 + + dmcr0 = ((SDRAM_ROW0-11)<<EMC_DMCR_RA_BIT) | + ((SDRAM_COL0-8)<<EMC_DMCR_CA_BIT) | + (SDRAM_BANK40<<EMC_DMCR_BA_BIT) | + (SDRAM_BW16<<EMC_DMCR_BW_BIT) | + EMC_DMCR_EPIN | + cas_latency_dmcr[((SDRAM_CASL == 3) ? 1 : 0)]; + + /* Basic DMCR value */ + dmcr = ((SDRAM_ROW-11)<<EMC_DMCR_RA_BIT) | + ((SDRAM_COL-8)<<EMC_DMCR_CA_BIT) | + (SDRAM_BANK4<<EMC_DMCR_BA_BIT) | + (SDRAM_BW16<<EMC_DMCR_BW_BIT) | + EMC_DMCR_EPIN | + cas_latency_dmcr[((SDRAM_CASL == 3) ? 1 : 0)]; + + /* SDRAM timimg */ + ns = 1000000000 / mem_clk; + tmp = SDRAM_TRAS/ns; + if (tmp < 4) tmp = 4; + if (tmp > 11) tmp = 11; + dmcr |= ((tmp-4) << EMC_DMCR_TRAS_BIT); + tmp = SDRAM_RCD/ns; + if (tmp > 3) tmp = 3; + dmcr |= (tmp << EMC_DMCR_RCD_BIT); + tmp = SDRAM_TPC/ns; + if (tmp > 7) tmp = 7; + dmcr |= (tmp << EMC_DMCR_TPC_BIT); + tmp = SDRAM_TRWL/ns; + if (tmp > 3) tmp = 3; + dmcr |= (tmp << EMC_DMCR_TRWL_BIT); + tmp = (SDRAM_TRAS + SDRAM_TPC)/ns; + if (tmp > 14) tmp = 14; + dmcr |= (((tmp + 1) >> 1) << EMC_DMCR_TRC_BIT); + + /* SDRAM mode value */ + sdmode = EMC_SDMR_BT_SEQ | + EMC_SDMR_OM_NORMAL | + EMC_SDMR_BL_4 | + cas_latency_sdmr[((SDRAM_CASL == 3) ? 1 : 0)]; + + /* Stage 1. Precharge all banks by writing SDMR with DMCR.MRSET=0 */ + REG_EMC_DMCR = dmcr; + REG8(EMC_SDMR0|sdmode) = 0; + + /* Wait for precharge, > 200us */ + tmp = (cpu_clk / 1000000) * 1000; + while (tmp--); + + /* Stage 2. Enable auto-refresh */ + REG_EMC_DMCR = dmcr | EMC_DMCR_RFSH; + + tmp = SDRAM_TREF/ns; + tmp = tmp/64 + 1; + if (tmp > 0xff) tmp = 0xff; + REG_EMC_RTCOR = tmp; + REG_EMC_RTCNT = 0; + REG_EMC_RTCSR = EMC_RTCSR_CKS_64; /* Divisor is 64, CKO/64 */ + + /* Wait for number of auto-refresh cycles */ + tmp = (cpu_clk / 1000000) * 1000; + while (tmp--); + + /* Stage 3. Mode Register Set */ + REG_EMC_DMCR = dmcr0 | EMC_DMCR_RFSH | EMC_DMCR_MRSET; + REG8(EMC_SDMR0|sdmode) = 0; + + /* Set back to basic DMCR value */ + REG_EMC_DMCR = dmcr | EMC_DMCR_RFSH | EMC_DMCR_MRSET; + + /* everything is ok now */ +} + +#ifndef CONFIG_NAND_SPL + +static void calc_clocks(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + unsigned int pllout; + unsigned int div[10] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32}; + + pllout = __cpm_get_pllout(); + + gd->cpu_clk = pllout / div[__cpm_get_cdiv()]; + gd->sys_clk = pllout / div[__cpm_get_hdiv()]; + gd->per_clk = pllout / div[__cpm_get_pdiv()]; + gd->mem_clk = pllout / div[__cpm_get_mdiv()]; + gd->dev_clk = CONFIG_SYS_EXTAL; +} + +static void rtc_init(void) +{ + unsigned long rtcsta; + + while ( !__rtc_write_ready()) ; + __rtc_enable_alarm(); /* enable alarm */ + + while ( !__rtc_write_ready()) + ; + REG_RTC_RGR = 0x00007fff; /* type value */ + + while ( !__rtc_write_ready()) + ; + REG_RTC_HWFCR = 0x0000ffe0; /* Power on delay 2s */ + + while ( !__rtc_write_ready()) + ; + REG_RTC_HRCR = 0x00000fe0; /* reset delay 125ms */ +#if 0 + while ( !__rtc_write_ready()) + ; + rtcsta = REG_RTC_HWRSR; + while ( !__rtc_write_ready()) + ; + if (rtcsta & 0x33) { + if (rtcsta & 0x10) { + while ( !__rtc_write_ready()) + ; + REG_RTC_RSR = 0x0; + } + while ( !__rtc_write_ready()) + ; + REG_RTC_HWRSR = 0x0; + } +#endif +} + +/* + * jz4740 board init routine + */ +int jz_board_init(void) +{ + board_early_init(); /* init gpio, pll etc. */ +#ifndef CONFIG_NAND_U_BOOT + pll_init(); /* init PLL */ + sdram_init(); /* init sdram memory */ +#endif + calc_clocks(); /* calc the clocks */ + rtc_init(); /* init rtc on any reset: */ + return 0; +} + +/* U-Boot common routines */ +phys_size_t initdram(int board_type) +{ + u32 dmcr; + u32 rows, cols, dw, banks; + ulong size; + + dmcr = REG_EMC_DMCR; + rows = 11 + ((dmcr & EMC_DMCR_RA_MASK) >> EMC_DMCR_RA_BIT); + cols = 8 + ((dmcr & EMC_DMCR_CA_MASK) >> EMC_DMCR_CA_BIT); + dw = (dmcr & EMC_DMCR_BW) ? 2 : 4; + banks = (dmcr & EMC_DMCR_BA) ? 4 : 2; + + size = (1 << (rows + cols)) * dw * banks; + + return size; +} + +/* + * Timer routines + */ + +#define TIMER_CHAN 0 +#define TIMER_FDATA 0xffff /* Timer full data value */ +#define TIMER_HZ CONFIG_SYS_HZ + +#define READ_TIMER REG_TCU_TCNT(TIMER_CHAN) /* macro to read the 16 bit timer */ + +static ulong timestamp; +static ulong lastdec; + +void reset_timer_masked (void); +ulong get_timer_masked (void); +void udelay_masked (unsigned long usec); + +/* + * timer without interrupts + */ + +int timer_init(void) +{ + REG_TCU_TCSR(TIMER_CHAN) = TCU_TCSR_PRESCALE256 | TCU_TCSR_EXT_EN; + REG_TCU_TCNT(TIMER_CHAN) = 0; + REG_TCU_TDHR(TIMER_CHAN) = 0; + REG_TCU_TDFR(TIMER_CHAN) = TIMER_FDATA; + + REG_TCU_TMSR = (1 << TIMER_CHAN) | (1 << (TIMER_CHAN + 16)); /* mask irqs */ + REG_TCU_TSCR = (1 << TIMER_CHAN); /* enable timer clock */ + REG_TCU_TESR = (1 << TIMER_CHAN); /* start counting up */ + + lastdec = 0; + timestamp = 0; + + return 0; +} + +void reset_timer(void) +{ + reset_timer_masked (); +} + +ulong get_timer(ulong base) +{ + return get_timer_masked () - base; +} + +void set_timer(ulong t) +{ + timestamp = t; +} + +void udelay (unsigned long usec) +{ + ulong tmo,tmp; + + /* normalize */ + if (usec >= 1000) { + tmo = usec / 1000; + tmo *= TIMER_HZ; + tmo /= 1000; + } + else { + if (usec >= 1) { + tmo = usec * TIMER_HZ; + tmo /= (1000*1000); + } + else + tmo = 1; + } + + /* check for rollover during this delay */ + tmp = get_timer (0); + if ((tmp + tmo) < tmp ) + reset_timer_masked(); /* timer would roll over */ + else + tmo += tmp; + + while (get_timer_masked () < tmo); +} + +void reset_timer_masked (void) +{ + /* reset time */ + lastdec = READ_TIMER; + timestamp = 0; +} + +ulong get_timer_masked (void) +{ + ulong now = READ_TIMER; + + if (lastdec <= now) { + /* normal mode */ + timestamp += (now - lastdec); + } else { + /* we have an overflow ... */ + timestamp += TIMER_FDATA + now - lastdec; + } + lastdec = now; + + return timestamp; +} + +void udelay_masked (unsigned long usec) +{ + ulong tmo; + ulong endtime; + signed long diff; + + /* normalize */ + if (usec >= 1000) { + tmo = usec / 1000; + tmo *= TIMER_HZ; + tmo /= 1000; + } else { + if (usec > 1) { + tmo = usec * TIMER_HZ; + tmo /= (1000*1000); + } else { + tmo = 1; + } + } + + endtime = get_timer_masked () + tmo; + + do { + ulong now = get_timer_masked (); + diff = endtime - now; + } while (diff >= 0); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On MIPS it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On MIPS it returns the number of timer ticks per second. + */ +ulong get_tbclk (void) +{ + return TIMER_HZ; +} + +#endif /* CONFIG_NAND_SPL */ + +/* End of timer routine. */ + +#endif diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz4740_nand.c b/package/boot/uboot-xburst/files/cpu/mips/jz4740_nand.c new file mode 100644 index 0000000..7877194 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/jz4740_nand.c @@ -0,0 +1,199 @@ +/* + * Platform independend driver for JZ4740. + * + * Copyright (c) 2007 Ingenic Semiconductor Inc. + * Author: <jlwei@ingenic.cn> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + */ +#include <common.h> + +#if defined(CONFIG_CMD_NAND) && defined(CONFIG_JZ4740) + +#include <nand.h> +#include <asm/jz4740.h> +#include <asm/io.h> + +#define PAR_SIZE 9 +#define __nand_ecc_enable() (REG_EMC_NFECR = EMC_NFECR_ECCE | EMC_NFECR_ERST ) +#define __nand_ecc_disable() (REG_EMC_NFECR &= ~EMC_NFECR_ECCE) + +#define __nand_select_rs_ecc() (REG_EMC_NFECR |= EMC_NFECR_RS) + +#define __nand_rs_ecc_encoding() (REG_EMC_NFECR |= EMC_NFECR_RS_ENCODING) +#define __nand_rs_ecc_decoding() (REG_EMC_NFECR |= EMC_NFECR_RS_DECODING) +#define __nand_ecc_encode_sync() while (!(REG_EMC_NFINTS & EMC_NFINTS_ENCF)) +#define __nand_ecc_decode_sync() while (!(REG_EMC_NFINTS & EMC_NFINTS_DECF)) + +static void jz_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) +{ + struct nand_chip *this = mtd->priv; + unsigned long nandaddr = (unsigned long)this->IO_ADDR_W; + + if (ctrl & NAND_CTRL_CHANGE) { + /* Change this to use I/O accessors. */ + if (ctrl & NAND_NCE) + REG_EMC_NFCSR |= EMC_NFCSR_NFCE1; + else + REG_EMC_NFCSR &= ~EMC_NFCSR_NFCE1; + } + + if (cmd == NAND_CMD_NONE) + return; + + if (ctrl & NAND_CLE) + nandaddr |= 0x00008000; + else /* must be ALE */ + nandaddr |= 0x00010000; + + writeb(cmd, (uint8_t *)nandaddr); +} + +static int jz_device_ready(struct mtd_info *mtd) +{ + int ready; + udelay(20); /* FIXME: add 20us delay */ + ready = (REG_GPIO_PXPIN(2) & 0x40000000) ? 1 : 0; + return ready; +} + +/* + * EMC setup + */ +static void jz_device_setup(void) +{ + /* Set NFE bit */ + REG_EMC_NFCSR |= EMC_NFCSR_NFE1; + REG_EMC_SMCR1 = 0x094c4400; + /* REG_EMC_SMCR3 = 0x04444400; */ +} + +void board_nand_select_device(struct nand_chip *nand, int chip) +{ + /* + * Don't use "chip" to address the NAND device, + * generate the cs from the address where it is encoded. + */ +} + +static int jzsoc_nand_calculate_rs_ecc(struct mtd_info* mtd, const u_char* dat, + u_char* ecc_code) +{ + volatile u8 *paraddr = (volatile u8 *)EMC_NFPAR0; + short i; + + __nand_ecc_encode_sync() + __nand_ecc_disable(); + + for(i = 0; i < PAR_SIZE; i++) + ecc_code[i] = *paraddr++; + + return 0; +} + +static void jzsoc_nand_enable_rs_hwecc(struct mtd_info* mtd, int mode) +{ + __nand_ecc_enable(); + __nand_select_rs_ecc(); + + REG_EMC_NFINTS = 0x0; + if (NAND_ECC_READ == mode){ + __nand_rs_ecc_decoding(); + } + if (NAND_ECC_WRITE == mode){ + __nand_rs_ecc_encoding(); + } +} + +/* Correct 1~9-bit errors in 512-bytes data */ +static void jzsoc_rs_correct(unsigned char *dat, int idx, int mask) +{ + int i; + + idx--; + + i = idx + (idx >> 3); + if (i >= 512) + return; + + mask <<= (idx & 0x7); + + dat[i] ^= mask & 0xff; + if (i < 511) + dat[i+1] ^= (mask >> 8) & 0xff; +} + +static int jzsoc_nand_rs_correct_data(struct mtd_info *mtd, u_char *dat, + u_char *read_ecc, u_char *calc_ecc) +{ + volatile u8 *paraddr = (volatile u8 *)EMC_NFPAR0; + short k; + u32 stat; + /* Set PAR values */ + + for (k = 0; k < PAR_SIZE; k++) { + *paraddr++ = read_ecc[k]; + } + + /* Set PRDY */ + REG_EMC_NFECR |= EMC_NFECR_PRDY; + + /* Wait for completion */ + __nand_ecc_decode_sync(); + __nand_ecc_disable(); + + /* Check decoding */ + stat = REG_EMC_NFINTS; + if (stat & EMC_NFINTS_ERR) { + if (stat & EMC_NFINTS_UNCOR) { + printk("Uncorrectable error occurred\n"); + return -1; + } + else { + u32 errcnt = (stat & EMC_NFINTS_ERRCNT_MASK) >> EMC_NFINTS_ERRCNT_BIT; + switch (errcnt) { + case 4: + jzsoc_rs_correct(dat, (REG_EMC_NFERR3 & EMC_NFERR_INDEX_MASK) >> EMC_NFERR_INDEX_BIT, (REG_EMC_NFERR3 & EMC_NFERR_MASK_MASK) >> EMC_NFERR_MASK_BIT); + case 3: + jzsoc_rs_correct(dat, (REG_EMC_NFERR2 & EMC_NFERR_INDEX_MASK) >> EMC_NFERR_INDEX_BIT, (REG_EMC_NFERR2 & EMC_NFERR_MASK_MASK) >> EMC_NFERR_MASK_BIT); + case 2: + jzsoc_rs_correct(dat, (REG_EMC_NFERR1 & EMC_NFERR_INDEX_MASK) >> EMC_NFERR_INDEX_BIT, (REG_EMC_NFERR1 & EMC_NFERR_MASK_MASK) >> EMC_NFERR_MASK_BIT); + case 1: + jzsoc_rs_correct(dat, (REG_EMC_NFERR0 & EMC_NFERR_INDEX_MASK) >> EMC_NFERR_INDEX_BIT, (REG_EMC_NFERR0 & EMC_NFERR_MASK_MASK) >> EMC_NFERR_MASK_BIT); + return 0; + default: + break; + } + } + } + /* no error need to be correct */ + return 0; +} + +/* + * Main initialization routine + */ +int board_nand_init(struct nand_chip *nand) +{ + jz_device_setup(); + + nand->cmd_ctrl = jz_hwcontrol; + nand->dev_ready = jz_device_ready; + + /* FIXME: should use NAND_ECC_SOFT */ + nand->ecc.hwctl = jzsoc_nand_enable_rs_hwecc; + nand->ecc.correct = jzsoc_nand_rs_correct_data; + nand->ecc.calculate = jzsoc_nand_calculate_rs_ecc; + nand->ecc.mode = NAND_ECC_HW; + nand->ecc.size = 512; + nand->ecc.bytes = 9; + + /* 20 us command delay time */ + nand->chip_delay = 20; + + return 0; +} +#endif /* (CONFIG_SYS_CMD_NAND) */ diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz_lcd.c b/package/boot/uboot-xburst/files/cpu/mips/jz_lcd.c new file mode 100644 index 0000000..927b82a --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/jz_lcd.c @@ -0,0 +1,484 @@ +/* + * JzRISC lcd controller + * + * xiangfu liu <xiangfu.z@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Fallowing macro may be used: + * CONFIG_LCD : LCD support + * LCD_BPP : Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 + * CONFIG_LCD_LOGO : show logo + */ + +#include <config.h> +#include <common.h> +#include <lcd.h> + +#include <asm/io.h> /* virt_to_phys() */ + +#if defined(CONFIG_LCD) && !defined(CONFIG_SLCD) + +#if defined(CONFIG_JZ4740) +#include <asm/jz4740.h> +#endif + +#include "jz_lcd.h" + + +struct jzfb_info { + unsigned int cfg; /* panel mode and pin usage etc. */ + unsigned int w; + unsigned int h; + unsigned int bpp; /* bit per pixel */ + unsigned int fclk; /* frame clk */ + unsigned int hsw; /* hsync width, in pclk */ + unsigned int vsw; /* vsync width, in line count */ + unsigned int elw; /* end of line, in pclk */ + unsigned int blw; /* begin of line, in pclk */ + unsigned int efw; /* end of frame, in line count */ + unsigned int bfw; /* begin of frame, in line count */ +}; + +static struct jzfb_info jzfb = { + #if defined(CONFIG_NANONOTE) + MODE_8BIT_SERIAL_TFT | PCLK_N | HSYNC_N | VSYNC_N, + 320, 240, 32, 70, 1, 1, 273, 140, 1, 20 + #endif + +}; + +/************************************************************************/ + +vidinfo_t panel_info = { +#if defined(CONFIG_JZLCD_FOXCONN_PT035TN01) + 320, 240, LCD_BPP, +#endif +}; + +/*----------------------------------------------------------------------*/ + +int lcd_line_length; + +int lcd_color_fg; +int lcd_color_bg; + +/* + * Frame buffer memory information + */ +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +short console_col; +short console_row; + +/*----------------------------------------------------------------------*/ + +void lcd_ctrl_init (void *lcdbase); + +void lcd_enable (void); +void lcd_disable (void); + +/*----------------------------------------------------------------------*/ + +static int jz_lcd_init_mem(void *lcdbase, vidinfo_t *vid); +static void jz_lcd_desc_init(vidinfo_t *vid); +static int jz_lcd_hw_init( vidinfo_t *vid ); +extern int flush_cache_all(void); + +#if LCD_BPP == LCD_COLOR8 +void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue); +#endif +#if LCD_BPP == LCD_MONOCHROME +void lcd_initcolregs (void); +#endif + +/*-----------------------------------------------------------------------*/ + +void lcd_ctrl_init (void *lcdbase) +{ + __lcd_display_pin_init(); + + jz_lcd_init_mem(lcdbase, &panel_info); + jz_lcd_desc_init(&panel_info); + jz_lcd_hw_init(&panel_info); + + __lcd_display_on() ; +} + +/*----------------------------------------------------------------------*/ +#if LCD_BPP == LCD_COLOR8 +void +lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) +{ +} +#endif +/*----------------------------------------------------------------------*/ + +#if LCD_BPP == LCD_MONOCHROME +static +void lcd_initcolregs (void) +{ +} +#endif + +/* + * Before enabled lcd controller, lcd registers should be configured correctly. + */ + +void lcd_enable (void) +{ + REG_LCD_CTRL &= ~(1<<4); /* LCDCTRL.DIS */ + REG_LCD_CTRL |= 1<<3; /* LCDCTRL.ENA*/ +} + +void lcd_disable (void) +{ + REG_LCD_CTRL |= (1<<4); /* LCDCTRL.DIS, regular disable */ + /* REG_LCD_CTRL |= (1<<3); */ /* LCDCTRL.DIS, quikly disable */ +} + +static int jz_lcd_init_mem(void *lcdbase, vidinfo_t *vid) +{ + u_long palette_mem_size; + struct jz_fb_info *fbi = &vid->jz_fb; + int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8; + + fbi->screen = (u_long)lcdbase; + fbi->palette_size = 256; + palette_mem_size = fbi->palette_size * sizeof(u16); + + debug("jz_lcd.c palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size); + /* locate palette and descs at end of page following fb */ + fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size; + + return 0; +} + +static void jz_lcd_desc_init(vidinfo_t *vid) +{ + struct jz_fb_info * fbi; + fbi = &vid->jz_fb; + fbi->dmadesc_fblow = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 3*16); + fbi->dmadesc_fbhigh = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 2*16); + fbi->dmadesc_palette = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 1*16); + + #define BYTES_PER_PANEL (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8) + + /* populate descriptors */ + fbi->dmadesc_fblow->fdadr = virt_to_phys(fbi->dmadesc_fblow); + fbi->dmadesc_fblow->fsadr = virt_to_phys((void *)(fbi->screen + BYTES_PER_PANEL)); + fbi->dmadesc_fblow->fidr = 0; + fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL / 4 ; + + fbi->fdadr1 = virt_to_phys(fbi->dmadesc_fblow); /* only used in dual-panel mode */ + + fbi->dmadesc_fbhigh->fsadr = virt_to_phys((void *)fbi->screen); + fbi->dmadesc_fbhigh->fidr = 0; + fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL / 4; /* length in word */ + + fbi->dmadesc_palette->fsadr = virt_to_phys((void *)fbi->palette); + fbi->dmadesc_palette->fidr = 0; + fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2)/4 | (1<<28); + + if( NBITS(vid->vl_bpix) < 12) + { + /* assume any mode with <12 bpp is palette driven */ + fbi->dmadesc_palette->fdadr = virt_to_phys(fbi->dmadesc_fbhigh); + fbi->dmadesc_fbhigh->fdadr = virt_to_phys(fbi->dmadesc_palette); + /* flips back and forth between pal and fbhigh */ + fbi->fdadr0 = virt_to_phys(fbi->dmadesc_palette); + } else { + /* palette shouldn't be loaded in true-color mode */ + fbi->dmadesc_fbhigh->fdadr = virt_to_phys((void *)fbi->dmadesc_fbhigh); + fbi->fdadr0 = virt_to_phys(fbi->dmadesc_fbhigh); /* no pal just fbhigh */ + } + + flush_cache_all(); +} + +static int jz_lcd_hw_init(vidinfo_t *vid) +{ + struct jz_fb_info *fbi = &vid->jz_fb; + unsigned int val = 0; + unsigned int pclk; + unsigned int stnH; +#if defined(CONFIG_MIPS_JZ4740) + int pll_div; +#endif + + /* Setting Control register */ + switch (jzfb.bpp) { + case 1: + val |= LCD_CTRL_BPP_1; + break; + case 2: + val |= LCD_CTRL_BPP_2; + break; + case 4: + val |= LCD_CTRL_BPP_4; + break; + case 8: + val |= LCD_CTRL_BPP_8; + break; + case 15: + val |= LCD_CTRL_RGB555; + case 16: + val |= LCD_CTRL_BPP_16; + break; +#if defined(CONFIG_MIPS_JZ4740) + case 17 ... 32: + val |= LCD_CTRL_BPP_18_24; /* target is 4bytes/pixel */ + break; +#endif + default: + printf("jz_lcd.c The BPP %d is not supported\n", jzfb.bpp); + val |= LCD_CTRL_BPP_16; + break; + } + + switch (jzfb.cfg & MODE_MASK) { + case MODE_STN_MONO_DUAL: + case MODE_STN_COLOR_DUAL: + case MODE_STN_MONO_SINGLE: + case MODE_STN_COLOR_SINGLE: + switch (jzfb.bpp) { + case 1: + /* val |= LCD_CTRL_PEDN; */ + case 2: + val |= LCD_CTRL_FRC_2; + break; + case 4: + val |= LCD_CTRL_FRC_4; + break; + case 8: + default: + val |= LCD_CTRL_FRC_16; + break; + } + break; + } + + val |= LCD_CTRL_BST_16; /* Burst Length is 16WORD=64Byte */ + val |= LCD_CTRL_OFUP; /* OutFIFO underrun protect */ + + switch (jzfb.cfg & MODE_MASK) { + case MODE_STN_MONO_DUAL: + case MODE_STN_COLOR_DUAL: + case MODE_STN_MONO_SINGLE: + case MODE_STN_COLOR_SINGLE: + switch (jzfb.cfg & STN_DAT_PINMASK) { +#define align2(n) (n)=((((n)+1)>>1)<<1) +#define align4(n) (n)=((((n)+3)>>2)<<2) +#define align8(n) (n)=((((n)+7)>>3)<<3) + case STN_DAT_PIN1: + /* Do not adjust the hori-param value. */ + break; + case STN_DAT_PIN2: + align2(jzfb.hsw); + align2(jzfb.elw); + align2(jzfb.blw); + break; + case STN_DAT_PIN4: + align4(jzfb.hsw); + align4(jzfb.elw); + align4(jzfb.blw); + break; + case STN_DAT_PIN8: + align8(jzfb.hsw); + align8(jzfb.elw); + align8(jzfb.blw); + break; + } + break; + } + + REG_LCD_CTRL = val; + + switch (jzfb.cfg & MODE_MASK) { + case MODE_STN_MONO_DUAL: + case MODE_STN_COLOR_DUAL: + case MODE_STN_MONO_SINGLE: + case MODE_STN_COLOR_SINGLE: + if (((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL)) + stnH = jzfb.h >> 1; + else + stnH = jzfb.h; + + REG_LCD_VSYNC = (0 << 16) | jzfb.vsw; + REG_LCD_HSYNC = ((jzfb.blw+jzfb.w) << 16) | (jzfb.blw+jzfb.w+jzfb.hsw); + + /* Screen setting */ + REG_LCD_VAT = ((jzfb.blw + jzfb.w + jzfb.hsw + jzfb.elw) << 16) | (stnH + jzfb.vsw + jzfb.bfw + jzfb.efw); + REG_LCD_DAH = (jzfb.blw << 16) | (jzfb.blw + jzfb.w); + REG_LCD_DAV = (0 << 16) | (stnH); + + /* AC BIAs signal */ + REG_LCD_PS = (0 << 16) | (stnH+jzfb.vsw+jzfb.efw+jzfb.bfw); + + break; + + case MODE_TFT_GEN: + case MODE_TFT_SHARP: + case MODE_TFT_CASIO: + case MODE_TFT_SAMSUNG: + case MODE_8BIT_SERIAL_TFT: + case MODE_TFT_18BIT: + REG_LCD_VSYNC = (0 << 16) | jzfb.vsw; + REG_LCD_HSYNC = (0 << 16) | jzfb.hsw; +#if defined(CONFIG_JZLCD_INNOLUX_AT080TN42) + REG_LCD_DAV = (0 << 16) | ( jzfb.h ); +#else + REG_LCD_DAV =((jzfb.vsw+jzfb.bfw) << 16) | (jzfb.vsw +jzfb.bfw+jzfb.h); +#endif /*#if defined(CONFIG_JZLCD_INNOLUX_AT080TN42)*/ + REG_LCD_DAH = ((jzfb.hsw + jzfb.blw) << 16) | (jzfb.hsw + jzfb.blw + jzfb.w ); + REG_LCD_VAT = (((jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw)) << 16) \ + | (jzfb.vsw + jzfb.bfw + jzfb.h + jzfb.efw); + break; + } + + switch (jzfb.cfg & MODE_MASK) { + case MODE_TFT_SAMSUNG: + { + unsigned int total, tp_s, tp_e, ckv_s, ckv_e; + unsigned int rev_s, rev_e, inv_s, inv_e; + + pclk = val * (jzfb.w + jzfb.hsw + jzfb.elw + jzfb.blw) * + (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ + + total = jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw; + tp_s = jzfb.blw + jzfb.w + 1; + tp_e = tp_s + 1; + /* ckv_s = tp_s - jz_clocks.pixclk/(1000000000/4100); */ + ckv_s = tp_s - pclk/(1000000000/4100); + ckv_e = tp_s + total; + rev_s = tp_s - 11; /* -11.5 clk */ + rev_e = rev_s + total; + inv_s = tp_s; + inv_e = inv_s + total; + REG_LCD_CLS = (tp_s << 16) | tp_e; + REG_LCD_PS = (ckv_s << 16) | ckv_e; + REG_LCD_SPL = (rev_s << 16) | rev_e; + REG_LCD_REV = (inv_s << 16) | inv_e; + jzfb.cfg |= STFT_REVHI | STFT_SPLHI; + break; + } + case MODE_TFT_SHARP: + { + unsigned int total, cls_s, cls_e, ps_s, ps_e; + unsigned int spl_s, spl_e, rev_s, rev_e; + total = jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw; +#if !defined(CONFIG_JZLCD_INNOLUX_AT080TN42) + spl_s = 1; + spl_e = spl_s + 1; + cls_s = 0; + cls_e = total - 60; /* > 4us (pclk = 80ns) */ + ps_s = cls_s; + ps_e = cls_e; + rev_s = total - 40; /* > 3us (pclk = 80ns) */ + rev_e = rev_s + total; + jzfb.cfg |= STFT_PSHI; +#else /*#if defined(CONFIG_JZLCD_INNOLUX_AT080TN42)*/ + spl_s = total - 5; /* LD */ + spl_e = total -3; + cls_s = 32; /* CKV */ + cls_e = 145; + ps_s = 0; /* OEV */ + ps_e = 45; + rev_s = 0; /* POL */ + rev_e = 0; +#endif /*#if defined(CONFIG_JZLCD_INNOLUX_AT080TN42)*/ + REG_LCD_SPL = (spl_s << 16) | spl_e; + REG_LCD_CLS = (cls_s << 16) | cls_e; + REG_LCD_PS = (ps_s << 16) | ps_e; + REG_LCD_REV = (rev_s << 16) | rev_e; + break; + } + case MODE_TFT_CASIO: + break; + } + + /* Configure the LCD panel */ + REG_LCD_CFG = jzfb.cfg; + + /* Timing setting */ + __cpm_stop_lcd(); + + val = jzfb.fclk; /* frame clk */ + if ( (jzfb.cfg & MODE_MASK) != MODE_8BIT_SERIAL_TFT) { + pclk = val * (jzfb.w + jzfb.hsw + jzfb.elw + jzfb.blw) * + (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ + } + else { + /* serial mode: Hsync period = 3*Width_Pixel */ + pclk = val * (jzfb.w*3 + jzfb.hsw + jzfb.elw + jzfb.blw) * + (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ + } + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_SINGLE) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL)) + pclk = (pclk * 3); + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_SINGLE) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_SINGLE) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) + pclk = pclk >> ((jzfb.cfg & STN_DAT_PINMASK) >> 4); + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) + pclk >>= 1; + + pll_div = ( REG_CPM_CPCCR & CPM_CPCCR_PCS ); /* clock source,0:pllout/2 1: pllout */ + pll_div = pll_div ? 1 : 2 ; + val = ( __cpm_get_pllout()/pll_div ) / pclk; + val--; + if ( val > 0x1ff ) { + printf("CPM_LPCDR too large, set it to 0x1ff\n"); + val = 0x1ff; + } + __cpm_set_pixdiv(val); + + val = pclk * 3 ; /* LCDClock > 2.5*Pixclock */ + if ( val > 150000000 ) { + printf("Warning: LCDClock=%d\n, LCDClock must less or equal to 150MHz.\n", val); + printf("Change LCDClock to 150MHz\n"); + val = 150000000; + } + val = ( __cpm_get_pllout()/pll_div ) / val; + val--; + if ( val > 0x1f ) { + printf("CPM_CPCCR.LDIV too large, set it to 0x1f\n"); + val = 0x1f; + } + __cpm_set_ldiv( val ); + REG_CPM_CPCCR |= CPM_CPCCR_CE ; /* update divide */ + + __cpm_start_lcd(); + udelay(1000); + + REG_LCD_DA0 = fbi->fdadr0; /* frame descripter*/ + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) + REG_LCD_DA1 = fbi->fdadr1; /* frame descripter*/ + + return 0; +} + diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz_lcd.h b/package/boot/uboot-xburst/files/cpu/mips/jz_lcd.h new file mode 100644 index 0000000..dfd63e0 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/jz_lcd.h @@ -0,0 +1,260 @@ +/* + * JzRISC lcd controller + * + * xiangfu liu <xiangfu.z@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __JZLCD_H__ +#define __JZLCD_H__ + +#include <asm/io.h> +/* + * change u-boot macro to celinux macro + */ +/* Chip type */ +#if defined(CONFIG_JZ4740) +#define CONFIG_MIPS_JZ4740 1 +#endif + +/* board type */ +#if defined(CONFIG_NANONOTE) +#define CONFIG_MIPS_JZ4740_PI 1 +#endif + +#define mdelay(n) udelay((n)*1000) + +/* + * change u-boot macro to celinux macro + */ + +#define NR_PALETTE 256 + +struct lcd_desc{ + unsigned int next_desc; /* LCDDAx */ + unsigned int databuf; /* LCDSAx */ + unsigned int frame_id; /* LCDFIDx */ + unsigned int cmd; /* LCDCMDx */ +}; + +#define MODE_MASK 0x0f +#define MODE_TFT_GEN 0x00 +#define MODE_TFT_SHARP 0x01 +#define MODE_TFT_CASIO 0x02 +#define MODE_TFT_SAMSUNG 0x03 +#define MODE_CCIR656_NONINT 0x04 +#define MODE_CCIR656_INT 0x05 +#define MODE_STN_COLOR_SINGLE 0x08 +#define MODE_STN_MONO_SINGLE 0x09 +#define MODE_STN_COLOR_DUAL 0x0a +#define MODE_STN_MONO_DUAL 0x0b +#define MODE_8BIT_SERIAL_TFT 0x0c + +#define MODE_TFT_18BIT (1<<7) + +#define STN_DAT_PIN1 (0x00 << 4) +#define STN_DAT_PIN2 (0x01 << 4) +#define STN_DAT_PIN4 (0x02 << 4) +#define STN_DAT_PIN8 (0x03 << 4) +#define STN_DAT_PINMASK STN_DAT_PIN8 + +#define STFT_PSHI (1 << 15) +#define STFT_CLSHI (1 << 14) +#define STFT_SPLHI (1 << 13) +#define STFT_REVHI (1 << 12) + +#define SYNC_MASTER (0 << 16) +#define SYNC_SLAVE (1 << 16) + +#define DE_P (0 << 9) +#define DE_N (1 << 9) + +#define PCLK_P (0 << 10) +#define PCLK_N (1 << 10) + +#define HSYNC_P (0 << 11) +#define HSYNC_N (1 << 11) + +#define VSYNC_P (0 << 8) +#define VSYNC_N (1 << 8) + +#define DATA_NORMAL (0 << 17) +#define DATA_INVERSE (1 << 17) + + +/* Jz LCDFB supported I/O controls. */ +#define FBIOSETBACKLIGHT 0x4688 +#define FBIODISPON 0x4689 +#define FBIODISPOFF 0x468a +#define FBIORESET 0x468b +#define FBIOPRINT_REG 0x468c + +/* + * LCD panel specific definition + */ + +#if defined(CONFIG_JZLCD_FOXCONN_PT035TN01) || defined(CONFIG_JZLCD_INNOLUX_PT035TN01_SERIAL) + +#if defined(CONFIG_JZLCD_FOXCONN_PT035TN01) /* board pmp */ +#define MODE 0xcd /* 24bit parellel RGB */ +#endif +#if defined(CONFIG_JZLCD_INNOLUX_PT035TN01_SERIAL) +#define MODE 0xc9 /* 8bit serial RGB */ +#endif + +#if defined(CONFIG_MIPS_JZ4740_PI) /* board pavo */ + #define SPEN (32*2+21) /*LCD_SPL */ + #define SPCK (32*2+23) /*LCD_CLS */ + #define SPDA (32*2+22) /*LCD_D12 */ + #define LCD_RET (32*3+27) +#else +#error "cpu/misp/Jzlcd.h, please define SPI pins on your board." +#endif + + #define __spi_write_reg1(reg, val) \ + do { \ + unsigned char no;\ + unsigned short value;\ + unsigned char a=0;\ + unsigned char b=0;\ + a=reg;\ + b=val;\ + __gpio_set_pin(SPEN);\ + __gpio_set_pin(SPCK);\ + __gpio_clear_pin(SPDA);\ + __gpio_clear_pin(SPEN);\ + udelay(25);\ + value=((a<<8)|(b&0xFF));\ + for(no=0;no<16;no++)\ + {\ + __gpio_clear_pin(SPCK);\ + if((value&0x8000)==0x8000)\ + __gpio_set_pin(SPDA);\ + else\ + __gpio_clear_pin(SPDA);\ + udelay(25);\ + __gpio_set_pin(SPCK);\ + value=(value<<1); \ + udelay(25);\ + }\ + __gpio_set_pin(SPEN);\ + udelay(100);\ + } while (0) + + #define __spi_write_reg(reg, val) \ + do {\ + __spi_write_reg1((reg<<2|2), val);\ + udelay(100); \ + }while(0) + + + #define __lcd_special_pin_init() \ + do { \ + __gpio_as_output(SPEN); /* use SPDA */\ + __gpio_as_output(SPCK); /* use SPCK */\ + __gpio_as_output(SPDA); /* use SPDA */\ + __gpio_as_output(LCD_RET);\ + } while (0) + +#if defined(CONFIG_NANONOTE) + #define __lcd_special_on() \ + do { \ + udelay(50);\ + __spi_write_reg1(0x05, 0x16); \ + __spi_write_reg1(0x04, 0x0b); \ + __spi_write_reg1(0x07, 0x8d); \ + __spi_write_reg1(0x01, 0x95); \ + __spi_write_reg1(0x08, 0xc0); \ + __spi_write_reg1(0x03, 0x40); \ + __spi_write_reg1(0x06, 0x15); \ + __spi_write_reg1(0x05, 0xd7); \ + } while (0) /* reg 0x0a is control the display direction:DB0->horizontal level DB1->vertical level */ + + #define __lcd_special_off() \ + do { \ + __spi_write_reg1(0x05, 0x5e); \ + } while (0) +#endif /* CONFIG_NANONOTE */ +#endif /* CONFIG_JZLCD_FOXCONN_PT035TN01 or CONFIG_JZLCD_INNOLUX_PT035TN01_SERIAL */ + +#ifndef __lcd_special_pin_init +#define __lcd_special_pin_init() +#endif +#ifndef __lcd_special_on +#define __lcd_special_on() +#endif +#ifndef __lcd_special_off +#define __lcd_special_off() +#endif + + +/* + * Platform specific definition + */ + +#if defined(CONFIG_MIPS_JZ4740_PI) + + /* 100 level: 0,1,...,100 */ + #define __lcd_set_backlight_level(n)\ + do { \ + __gpio_as_output(32*3+27); \ + __gpio_set_pin(32*3+27); \ + } while (0) + + #define __lcd_close_backlight() \ + do { \ + __gpio_as_output(GPIO_PWM); \ + __gpio_clear_pin(GPIO_PWM); \ + } while (0) + + #define __lcd_display_pin_init() \ + do { \ + __gpio_as_output(GPIO_DISP_OFF_N); \ + __cpm_start_tcu(); \ + __lcd_special_pin_init(); \ + } while (0) + /* __lcd_set_backlight_level(100); \*/ + #define __lcd_display_on() \ + do { \ + __gpio_set_pin(GPIO_DISP_OFF_N); \ + __lcd_special_on(); \ + } while (0) + + #define __lcd_display_off() \ + do { \ + __lcd_special_off(); \ + __gpio_clear_pin(GPIO_DISP_OFF_N); \ + } while (0) + +#endif /* CONFIG_MIPS_JZ4740_PI) */ + +/***************************************************************************** + * LCD display pin dummy macros + *****************************************************************************/ +#ifndef __lcd_display_pin_init +#define __lcd_display_pin_init() +#endif +#ifndef __lcd_display_on +#define __lcd_display_on() +#endif +#ifndef __lcd_display_off +#define __lcd_display_off() +#endif +#ifndef __lcd_set_backlight_level +#define __lcd_set_backlight_level(n) +#endif + diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz_mmc.c b/package/boot/uboot-xburst/files/cpu/mips/jz_mmc.c new file mode 100644 index 0000000..b3c4e99 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/jz_mmc.c @@ -0,0 +1,1416 @@ +/* + * (C) Copyright 2003 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <part.h> + +#if defined CONFIG_JZ4740 +#include <asm-mips/jz4740.h> + +#include "jz_mmc.h" + +#define CFG_MMC_BASE 0x80600000 +static int sd2_0 = 0; + +/* + * GPIO definition + */ +#if defined(CONFIG_SAKC) + +#define __msc_init_io() \ +do { \ + __gpio_as_input(GPIO_SD_CD_N); \ +} while (0) + +#else +#define __msc_init_io() \ +do { \ + __gpio_as_output(GPIO_SD_VCC_EN_N); \ + __gpio_as_input(GPIO_SD_CD_N); \ +} while (0) + +#define __msc_enable_power() \ +do { \ + __gpio_clear_pin(GPIO_SD_VCC_EN_N); \ +} while (0) + +#define __msc_disable_power() \ +do { \ + __gpio_set_pin(GPIO_SD_VCC_EN_N); \ +} while (0) + +#endif /* CONFIG_SAKE */ + +#define __msc_card_detected() \ +({ \ + int detected = 1; \ + __gpio_as_input(GPIO_SD_CD_N); \ + __gpio_disable_pull(GPIO_SD_CD_N); \ + if (!__gpio_get_pin(GPIO_SD_CD_N)) \ + detected = 0; \ + detected; \ +}) + +/* + * Local functions + */ + +#ifdef CONFIG_MMC +extern int +fat_register_device(block_dev_desc_t *dev_desc, int part_no); + +static block_dev_desc_t mmc_dev; + +block_dev_desc_t * mmc_get_dev(int dev) +{ + return ((block_dev_desc_t *)&mmc_dev); +} + +/* + * FIXME needs to read cid and csd info to determine block size + * and other parameters + */ +static uchar mmc_buf[MMC_BLOCK_SIZE]; +static int mmc_ready = 0; +static mmc_csd_t mmc_csd; +static int use_4bit; /* Use 4-bit data bus */ +/* + * MMC Events + */ +#define MMC_EVENT_NONE 0x00 /* No events */ +#define MMC_EVENT_RX_DATA_DONE 0x01 /* Rx data done */ +#define MMC_EVENT_TX_DATA_DONE 0x02 /* Tx data done */ +#define MMC_EVENT_PROG_DONE 0x04 /* Programming is done */ + + +#define MMC_IRQ_MASK() \ +do { \ + REG_MSC_IMASK = 0xffff; \ + REG_MSC_IREG = 0xffff; \ +} while (0) + +/* Stop the MMC clock and wait while it happens */ +static inline int jz_mmc_stop_clock(void) +{ + int timeout = 1000; + + REG_MSC_STRPCL = MSC_STRPCL_CLOCK_CONTROL_STOP; + + while (timeout && (REG_MSC_STAT & MSC_STAT_CLK_EN)) { + timeout--; + if (timeout == 0) { + return MMC_ERROR_TIMEOUT; + } + udelay(1); + } + return MMC_NO_ERROR; +} + +/* Start the MMC clock and operation */ +static inline int jz_mmc_start_clock(void) +{ + REG_MSC_STRPCL = MSC_STRPCL_CLOCK_CONTROL_START | MSC_STRPCL_START_OP; + return MMC_NO_ERROR; +} + +static inline u32 jz_mmc_calc_clkrt(int is_sd, u32 rate) +{ + u32 clkrt; + u32 clk_src = is_sd ? 24000000: 16000000; + + clkrt = 0; + while (rate < clk_src) + { + clkrt ++; + clk_src >>= 1; + } + return clkrt; +} + +/* Set the MMC clock frequency */ +void jz_mmc_set_clock(int sd, u32 rate) +{ + jz_mmc_stop_clock(); + + /* Select clock source of MSC */ + __cpm_select_msc_clk(sd); + + /* Set clock dividor of MSC */ + REG_MSC_CLKRT = jz_mmc_calc_clkrt(sd, rate); +} + +static int jz_mmc_check_status(struct mmc_request *request) +{ + u32 status = REG_MSC_STAT; + + /* Checking for response or data timeout */ + if (status & (MSC_STAT_TIME_OUT_RES | MSC_STAT_TIME_OUT_READ)) { + printf("MMC/SD timeout, MMC_STAT 0x%x CMD %d\n", status, request->cmd); + return MMC_ERROR_TIMEOUT; + } + + /* Checking for CRC error */ + if (status & (MSC_STAT_CRC_READ_ERROR | MSC_STAT_CRC_WRITE_ERROR | MSC_STAT_CRC_RES_ERR)) { + printf("MMC/CD CRC error, MMC_STAT 0x%x\n", status); + return MMC_ERROR_CRC; + } + + return MMC_NO_ERROR; +} + +/* Obtain response to the command and store it to response buffer */ +static void jz_mmc_get_response(struct mmc_request *request) +{ + int i; + u8 *buf; + u32 data; + + DEBUG(3, "fetch response for request %d, cmd %d\n", request->rtype, request->cmd); + + buf = request->response; + request->result = MMC_NO_ERROR; + + switch (request->rtype) { + case RESPONSE_R1: case RESPONSE_R1B: case RESPONSE_R6: + case RESPONSE_R3: case RESPONSE_R4: case RESPONSE_R5: + { + data = REG_MSC_RES; + buf[0] = (data >> 8) & 0xff; + buf[1] = data & 0xff; + data = REG_MSC_RES; + buf[2] = (data >> 8) & 0xff; + buf[3] = data & 0xff; + data = REG_MSC_RES; + buf[4] = data & 0xff; + + DEBUG(3, "request %d, response [%02x %02x %02x %02x %02x]\n", + request->rtype, buf[0], buf[1], buf[2], buf[3], buf[4]); + break; + } + case RESPONSE_R2_CID: case RESPONSE_R2_CSD: + { + for (i = 0; i < 16; i += 2) { + data = REG_MSC_RES; + buf[i] = (data >> 8) & 0xff; + buf[i+1] = data & 0xff; + } + DEBUG(3, "request %d, response [", request->rtype); +#if CONFIG_MMC_DEBUG_VERBOSE > 2 + if (g_mmc_debug >= 3) { + int n; + for (n = 0; n < 17; n++) + printk("%02x ", buf[n]); + printk("]\n"); + } +#endif + break; + } + case RESPONSE_NONE: + DEBUG(3, "No response\n"); + break; + + default: + DEBUG(3, "unhandled response type for request %d\n", request->rtype); + break; + } +} + +static int jz_mmc_receive_data(struct mmc_request *req) +{ + u32 stat, timeout, data, cnt; + u8 *buf = req->buffer; + u32 wblocklen = (u32)(req->block_len + 3) >> 2; /* length in word */ + + timeout = 0x3ffffff; + + while (timeout) { + timeout--; + stat = REG_MSC_STAT; + + if (stat & MSC_STAT_TIME_OUT_READ) + return MMC_ERROR_TIMEOUT; + else if (stat & MSC_STAT_CRC_READ_ERROR) + return MMC_ERROR_CRC; + else if (!(stat & MSC_STAT_DATA_FIFO_EMPTY) + || (stat & MSC_STAT_DATA_FIFO_AFULL)) { + /* Ready to read data */ + break; + } + udelay(1); + } + if (!timeout) + return MMC_ERROR_TIMEOUT; + + /* Read data from RXFIFO. It could be FULL or PARTIAL FULL */ + cnt = wblocklen; + while (cnt) { + data = REG_MSC_RXFIFO; + { + *buf++ = (u8)(data >> 0); + *buf++ = (u8)(data >> 8); + *buf++ = (u8)(data >> 16); + *buf++ = (u8)(data >> 24); + } + cnt --; + while (cnt && (REG_MSC_STAT & MSC_STAT_DATA_FIFO_EMPTY)) + ; + } + return MMC_NO_ERROR; +} + +static int jz_mmc_transmit_data(struct mmc_request *req) +{ +#if 0 + u32 nob = req->nob; + u32 wblocklen = (u32)(req->block_len + 3) >> 2; /* length in word */ + u8 *buf = req->buffer; + u32 *wbuf = (u32 *)buf; + u32 waligned = (((u32)buf & 0x3) == 0); /* word aligned ? */ + u32 stat, timeout, data, cnt; + + for (nob; nob >= 1; nob--) { + timeout = 0x3FFFFFF; + + while (timeout) { + timeout--; + stat = REG_MSC_STAT; + + if (stat & (MSC_STAT_CRC_WRITE_ERROR | MSC_STAT_CRC_WRITE_ERROR_NOSTS)) + return MMC_ERROR_CRC; + else if (!(stat & MSC_STAT_DATA_FIFO_FULL)) { + /* Ready to write data */ + break; + } + + udelay(1); + } + + if (!timeout) + return MMC_ERROR_TIMEOUT; + + /* Write data to TXFIFO */ + cnt = wblocklen; + while (cnt) { + while (REG_MSC_STAT & MSC_STAT_DATA_FIFO_FULL) + ; + + if (waligned) { + REG_MSC_TXFIFO = *wbuf++; + } + else { + data = *buf++ | (*buf++ << 8) | (*buf++ << 16) | (*buf++ << 24); + REG_MSC_TXFIFO = data; + } + + cnt--; + } + } +#endif + return MMC_NO_ERROR; +} + + +/* + * Name: int jz_mmc_exec_cmd() + * Function: send command to the card, and get a response + * Input: struct mmc_request *req : MMC/SD request + * Output: 0: right >0: error code + */ +int jz_mmc_exec_cmd(struct mmc_request *request) +{ + u32 cmdat = 0, events = 0; + int retval, timeout = 0x3fffff; + + /* Indicate we have no result yet */ + request->result = MMC_NO_RESPONSE; + if (request->cmd == MMC_CIM_RESET) { + /* On reset, 1-bit bus width */ + use_4bit = 0; + + /* Reset MMC/SD controller */ + __msc_reset(); + + /* On reset, drop MMC clock down */ + jz_mmc_set_clock(0, MMC_CLOCK_SLOW); + + /* On reset, stop MMC clock */ + jz_mmc_stop_clock(); + } + if (request->cmd == MMC_SEND_OP_COND) { + DEBUG(3, "Have an MMC card\n"); + /* always use 1bit for MMC */ + use_4bit = 0; + } + if (request->cmd == SET_BUS_WIDTH) { + if (request->arg == 0x2) { + printf("Use 4-bit bus width\n"); + use_4bit = 1; + } + else { + printf("Use 1-bit bus width\n"); + use_4bit = 0; + } + } + + /* stop clock */ + jz_mmc_stop_clock(); + + /* mask all interrupts */ + REG_MSC_IMASK = 0xffff; + + /* clear status */ + REG_MSC_IREG = 0xffff; + + /* use 4-bit bus width when possible */ + if (use_4bit) + cmdat |= MSC_CMDAT_BUS_WIDTH_4BIT; + + /* Set command type and events */ + switch (request->cmd) { + /* MMC core extra command */ + case MMC_CIM_RESET: + cmdat |= MSC_CMDAT_INIT; /* Initialization sequence sent prior to command */ + break; + + /* bc - broadcast - no response */ + case MMC_GO_IDLE_STATE: + case MMC_SET_DSR: + break; + + /* bcr - broadcast with response */ + case MMC_SEND_OP_COND: + case MMC_ALL_SEND_CID: + case MMC_GO_IRQ_STATE: + break; + + /* adtc - addressed with data transfer */ + case MMC_READ_DAT_UNTIL_STOP: + case MMC_READ_SINGLE_BLOCK: + case MMC_READ_MULTIPLE_BLOCK: + case SEND_SCR: + cmdat |= MSC_CMDAT_DATA_EN | MSC_CMDAT_READ; + events = MMC_EVENT_RX_DATA_DONE; + break; + + case MMC_WRITE_DAT_UNTIL_STOP: + case MMC_WRITE_BLOCK: + case MMC_WRITE_MULTIPLE_BLOCK: + case MMC_PROGRAM_CID: + case MMC_PROGRAM_CSD: + case MMC_SEND_WRITE_PROT: + case MMC_GEN_CMD: + case MMC_LOCK_UNLOCK: + cmdat |= MSC_CMDAT_DATA_EN | MSC_CMDAT_WRITE; + events = MMC_EVENT_TX_DATA_DONE | MMC_EVENT_PROG_DONE; + + break; + + case MMC_STOP_TRANSMISSION: + events = MMC_EVENT_PROG_DONE; + break; + + /* ac - no data transfer */ + default: + break; + } + + /* Set response type */ + switch (request->rtype) { + case RESPONSE_NONE: + break; + + case RESPONSE_R1B: + cmdat |= MSC_CMDAT_BUSY; + /*FALLTHRU*/ + case RESPONSE_R1: + cmdat |= MSC_CMDAT_RESPONSE_R1; + break; + case RESPONSE_R2_CID: + case RESPONSE_R2_CSD: + cmdat |= MSC_CMDAT_RESPONSE_R2; + break; + case RESPONSE_R3: + cmdat |= MSC_CMDAT_RESPONSE_R3; + break; + case RESPONSE_R4: + cmdat |= MSC_CMDAT_RESPONSE_R4; + break; + case RESPONSE_R5: + cmdat |= MSC_CMDAT_RESPONSE_R5; + break; + case RESPONSE_R6: + cmdat |= MSC_CMDAT_RESPONSE_R6; + break; + default: + break; + } + + /* Set command index */ + if (request->cmd == MMC_CIM_RESET) { + REG_MSC_CMD = MMC_GO_IDLE_STATE; + } else { + REG_MSC_CMD = request->cmd; + } + + /* Set argument */ + REG_MSC_ARG = request->arg; + + /* Set block length and nob */ + if (request->cmd == SEND_SCR) { /* get SCR from DataFIFO */ + REG_MSC_BLKLEN = 8; + REG_MSC_NOB = 1; + } else { + REG_MSC_BLKLEN = request->block_len; + REG_MSC_NOB = request->nob; + } + + /* Set command */ + REG_MSC_CMDAT = cmdat; + + DEBUG(1, "Send cmd %d cmdat: %x arg: %x resp %d\n", request->cmd, + cmdat, request->arg, request->rtype); + + /* Start MMC/SD clock and send command to card */ + jz_mmc_start_clock(); + + /* Wait for command completion */ + while (timeout-- && !(REG_MSC_STAT & MSC_STAT_END_CMD_RES)) + ; + + if (timeout == 0) + return MMC_ERROR_TIMEOUT; + + REG_MSC_IREG = MSC_IREG_END_CMD_RES; /* clear flag */ + + /* Check for status */ + retval = jz_mmc_check_status(request); + if (retval) { + return retval; + } + + /* Complete command with no response */ + if (request->rtype == RESPONSE_NONE) { + return MMC_NO_ERROR; + } + + /* Get response */ + jz_mmc_get_response(request); + + /* Start data operation */ + if (events & (MMC_EVENT_RX_DATA_DONE | MMC_EVENT_TX_DATA_DONE)) { + if (events & MMC_EVENT_RX_DATA_DONE) { + if (request->cmd == SEND_SCR) { + /* SD card returns SCR register as data. + MMC core expect it in the response buffer, + after normal response. */ + request->buffer = (u8 *)((u32)request->response + 5); + } + jz_mmc_receive_data(request); + } + + if (events & MMC_EVENT_TX_DATA_DONE) { + jz_mmc_transmit_data(request); + } + + /* Wait for Data Done */ + while (!(REG_MSC_IREG & MSC_IREG_DATA_TRAN_DONE)) + ; + REG_MSC_IREG = MSC_IREG_DATA_TRAN_DONE; /* clear status */ + } + + /* Wait for Prog Done event */ + if (events & MMC_EVENT_PROG_DONE) { + while (!(REG_MSC_IREG & MSC_IREG_PRG_DONE)) + ; + REG_MSC_IREG = MSC_IREG_PRG_DONE; /* clear status */ + } + + /* Command completed */ + + return MMC_NO_ERROR; /* return successfully */ +} + +int mmc_block_read(u8 *dst, ulong src, ulong len) +{ + + struct mmc_request request; + struct mmc_response_r1 r1; + int retval; + + if (len == 0) { + return 0; + } + mmc_simple_cmd(&request, MMC_SEND_STATUS, mmcinfo.rca, RESPONSE_R1); + retval = mmc_unpack_r1(&request, &r1, 0); + if (retval && (retval != MMC_ERROR_STATE_MISMATCH)) { + return retval; + } + + mmc_simple_cmd(&request, MMC_SET_BLOCKLEN, len, RESPONSE_R1); + if ((retval = mmc_unpack_r1(&request, &r1, 0))) { + return retval; + } + + if (sd2_0) + src /= len; + + mmc_send_cmd(&request, MMC_READ_SINGLE_BLOCK, src, 1,len, RESPONSE_R1, dst); + if ((retval = mmc_unpack_r1(&request, &r1, 0))) { + return retval; + } + return retval; +} + +int mmc_block_write(ulong dst, uchar *src, int len) +{ + return 0; +} + +int mmc_read(ulong src, uchar *dst, int size) +{ + ulong end, part_start, part_end, part_len, aligned_start, aligned_end; + ulong mmc_block_size, mmc_block_address; + + if (size == 0) { + return 0; + } + + if (!mmc_ready) { + printf("MMC card is not ready\n"); + return -1; + } + + mmc_block_size = MMC_BLOCK_SIZE; + mmc_block_address = ~(mmc_block_size - 1); + + src -= CFG_MMC_BASE; + end = src + size; + part_start = ~mmc_block_address & src; + part_end = ~mmc_block_address & end; + aligned_start = mmc_block_address & src; + aligned_end = mmc_block_address & end; + /* all block aligned accesses */ + debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + if (part_start) { + part_len = mmc_block_size - part_start; + debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0) { + return -1; + } + memcpy(dst, mmc_buf+part_start, part_len); + dst += part_len; + src += part_len; + } + debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + for (; src < aligned_end; src += mmc_block_size, dst += mmc_block_size) { + debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + + if ((mmc_block_read((uchar *)(dst), src, mmc_block_size)) < 0) { + return -1; + } + } + debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + + if (part_end && src < end) { + if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) { + return -1; + } + memcpy(dst, mmc_buf, part_end); + } + return 0; + +} + +int mmc_write(uchar *src, ulong dst, int size) +{ + ulong end, part_start, part_end, part_len, aligned_start, aligned_end; + ulong mmc_block_size, mmc_block_address; + + if (size == 0) { + return 0; + } + + if (!mmc_ready) { + printf("MMC card is not ready\n"); + return -1; + } + + mmc_block_size = MMC_BLOCK_SIZE; + mmc_block_address = ~(mmc_block_size - 1); + + dst -= CFG_MMC_BASE; + end = dst + size; + part_start = ~mmc_block_address & dst; + part_end = ~mmc_block_address & end; + aligned_start = mmc_block_address & dst; + aligned_end = mmc_block_address & end; + + /* all block aligned accesses */ + debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + if (part_start) { + part_len = mmc_block_size - part_start; + debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + (ulong)src, dst, end, part_start, part_end, aligned_start, aligned_end); + if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0) { + return -1; + } + memcpy(mmc_buf+part_start, src, part_len); + if ((mmc_block_write(aligned_start, mmc_buf, mmc_block_size)) < 0) { + return -1; + } + dst += part_len; + src += part_len; + } + debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + for (; dst < aligned_end; src += mmc_block_size, dst += mmc_block_size) { + debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + if ((mmc_block_write(dst, (uchar *)src, mmc_block_size)) < 0) { + return -1; + } + } + debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + if (part_end && dst < end) { + debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", + src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); + if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) { + return -1; + } + memcpy(mmc_buf, src, part_end); + if ((mmc_block_write(aligned_end, mmc_buf, mmc_block_size)) < 0) { + return -1; + } + } + return 0; +} + +ulong mmc_bread(int dev_num, ulong blknr, ulong blkcnt, ulong *dst) +{ + ulong src; + int mmc_block_size = MMC_BLOCK_SIZE; + + src = blknr * mmc_block_size + CFG_MMC_BASE; + mmc_read(src, (uchar *)dst, blkcnt*mmc_block_size); + return blkcnt; +} + +int mmc_select_card(void) +{ + struct mmc_request request; + struct mmc_response_r1 r1; + int retval; + + mmc_simple_cmd(&request, MMC_SELECT_CARD, mmcinfo.rca, RESPONSE_R1B); + retval = mmc_unpack_r1(&request, &r1, 0); + if (retval) { + return retval; + } + + if (mmcinfo.sd) { + mmc_simple_cmd(&request, MMC_APP_CMD, mmcinfo.rca, RESPONSE_R1); + retval = mmc_unpack_r1(&request,&r1,0); + if (retval) { + return retval; + } +#if defined(MMC_BUS_WIDTH_1BIT) + mmc_simple_cmd(&request, SET_BUS_WIDTH, 1, RESPONSE_R1); +#else + mmc_simple_cmd(&request, SET_BUS_WIDTH, 2, RESPONSE_R1); +#endif + retval = mmc_unpack_r1(&request,&r1,0); + if (retval) { + return retval; + } + } + return 0; +} + +/* + * Configure card + */ +static void mmc_configure_card(void) +{ + u32 rate; + + /* Get card info */ + if (sd2_0) + mmcinfo.block_num = (mmcinfo.csd.c_size + 1) << 10; + else + mmcinfo.block_num = (mmcinfo.csd.c_size + 1) * (1 << (mmcinfo.csd.c_size_mult + 2)); + + mmcinfo.block_len = 1 << mmcinfo.csd.read_bl_len; + + /* Fix the clock rate */ + rate = mmc_tran_speed(mmcinfo.csd.tran_speed); + if (rate < MMC_CLOCK_SLOW) + rate = MMC_CLOCK_SLOW; + if ((mmcinfo.sd == 0) && (rate > MMC_CLOCK_FAST)) + rate = MMC_CLOCK_FAST; + if ((mmcinfo.sd) && (rate > SD_CLOCK_FAST)) + rate = SD_CLOCK_FAST; + + DEBUG(2,"mmc_configure_card: block_len=%d block_num=%d rate=%d\n", mmcinfo.block_len, mmcinfo.block_num, rate); + + jz_mmc_set_clock(mmcinfo.sd, rate); +} + +/* + * State machine routines to initialize card(s) + */ + +/* + CIM_SINGLE_CARD_ACQ (frequency at 400 kHz) + --- Must enter from GO_IDLE_STATE --- + 1. SD_SEND_OP_COND (SD Card) [CMD55] + [CMD41] + 2. SEND_OP_COND (Full Range) [CMD1] {optional} + 3. SEND_OP_COND (Set Range ) [CMD1] + If busy, delay and repeat step 2 + 4. ALL_SEND_CID [CMD2] + If timeout, set an error (no cards found) + 5. SET_RELATIVE_ADDR [CMD3] + 6. SEND_CSD [CMD9] + 7. SET_DSR [CMD4] Only call this if (csd.dsr_imp). + 8. Set clock frequency (check available in csd.tran_speed) + */ + +#define MMC_INIT_DOING 0 +#define MMC_INIT_PASSED 1 +#define MMC_INIT_FAILED 2 + +static int mmc_init_card_state(struct mmc_request *request) +{ + struct mmc_response_r1 r1; + struct mmc_response_r3 r3; + int retval; + int ocr = 0x40300000; + int limit_41 = 0; + + DEBUG(2,"mmc_init_card_state\n"); + + switch (request->cmd) { + case MMC_GO_IDLE_STATE: /* No response to parse */ + if (mmcinfo.sd) + mmc_simple_cmd(request, 8, 0x1aa, RESPONSE_R1); + else + mmc_simple_cmd(request, MMC_SEND_OP_COND, MMC_OCR_ARG, RESPONSE_R3); + break; + + case 8: + retval = mmc_unpack_r1(request,&r1,mmcinfo.state); + mmc_simple_cmd(request, MMC_APP_CMD, 0, RESPONSE_R1); + break; + + case MMC_APP_CMD: + retval = mmc_unpack_r1(request,&r1,mmcinfo.state); + if (retval & (limit_41 < 100)) { + DEBUG(0, "mmc_init_card_state: unable to MMC_APP_CMD error=%d (%s)\n", + retval, mmc_result_to_string(retval)); + limit_41++; + mmc_simple_cmd(request, SD_SEND_OP_COND, ocr, RESPONSE_R3); + } else if (limit_41 < 100) { + limit_41++; + mmc_simple_cmd(request, SD_SEND_OP_COND, ocr, RESPONSE_R3); + } else{ + /* reset the card to idle*/ + mmc_simple_cmd(request, MMC_GO_IDLE_STATE, 0, RESPONSE_NONE); + mmcinfo.sd = 0; + } + break; + + case SD_SEND_OP_COND: + retval = mmc_unpack_r3(request, &r3); + if (retval) { + /* Try MMC card */ + mmc_simple_cmd(request, MMC_SEND_OP_COND, MMC_OCR_ARG, RESPONSE_R3); + break; + } + + DEBUG(2,"mmc_init_card_state: read ocr value = 0x%08x\n", r3.ocr); + + if(!(r3.ocr & MMC_CARD_BUSY || ocr == 0)){ + udelay(10000); + mmc_simple_cmd(request, MMC_APP_CMD, 0, RESPONSE_R1); + } + else { + /* Set the data bus width to 4 bits */ + mmcinfo.sd = 1; /* SD Card ready */ + mmcinfo.state = CARD_STATE_READY; + mmc_simple_cmd(request, MMC_ALL_SEND_CID, 0, RESPONSE_R2_CID); + } + break; + + case MMC_SEND_OP_COND: + retval = mmc_unpack_r3(request, &r3); + if (retval) { + DEBUG(0,"mmc_init_card_state: failed SEND_OP_COND error=%d (%s)\n", + retval, mmc_result_to_string(retval)); + return MMC_INIT_FAILED; + } + + DEBUG(2,"mmc_init_card_state: read ocr value = 0x%08x\n", r3.ocr); + if (!(r3.ocr & MMC_CARD_BUSY)) { + mmc_simple_cmd(request, MMC_SEND_OP_COND, MMC_OCR_ARG, RESPONSE_R3); + } + else { + mmcinfo.sd = 0; /* MMC Card ready */ + mmcinfo.state = CARD_STATE_READY; + mmc_simple_cmd(request, MMC_ALL_SEND_CID, 0, RESPONSE_R2_CID); + } + break; + + case MMC_ALL_SEND_CID: + retval = mmc_unpack_cid( request, &mmcinfo.cid ); + mmc_dev.if_type = IF_TYPE_MMC; + mmc_dev.part_type = PART_TYPE_DOS; + mmc_dev.dev = 0; + mmc_dev.lun = 0; + mmc_dev.type = 0; + /* FIXME fill in the correct size (is set to 32MByte) */ + mmc_dev.blksz = 512; + mmc_dev.lba = 0x10000; + mmc_dev.removable = 0; + + /*FIXME:ignore CRC error for CMD2/CMD9/CMD10 */ + if ( retval && (retval != MMC_ERROR_CRC)) { + DEBUG(0,"mmc_init_card_state: unable to ALL_SEND_CID error=%d (%s)\n", + retval, mmc_result_to_string(retval)); + return MMC_INIT_FAILED; + } + mmcinfo.state = CARD_STATE_IDENT; + if(mmcinfo.sd) + mmc_simple_cmd(request, MMC_SET_RELATIVE_ADDR, 0, RESPONSE_R6); + else + mmc_simple_cmd(request, MMC_SET_RELATIVE_ADDR, ID_TO_RCA(mmcinfo.id) << 16, RESPONSE_R1); + break; + + case MMC_SET_RELATIVE_ADDR: + if (mmcinfo.sd) { + retval = mmc_unpack_r6(request, &r1, mmcinfo.state, &mmcinfo.rca); + mmcinfo.rca = mmcinfo.rca << 16; + DEBUG(2, "mmc_init_card_state: Get RCA from SD: 0x%04x Status: %x\n", mmcinfo.rca, r1.status); + } else { + retval = mmc_unpack_r1(request,&r1,mmcinfo.state); + mmcinfo.rca = ID_TO_RCA(mmcinfo.id) << 16; + } + if (retval) { + DEBUG(0, "mmc_init_card_state: unable to SET_RELATIVE_ADDR error=%d (%s)\n", + retval, mmc_result_to_string(retval)); + return MMC_INIT_FAILED; + } + + mmcinfo.state = CARD_STATE_STBY; + mmc_simple_cmd(request, MMC_SEND_CSD, mmcinfo.rca, RESPONSE_R2_CSD); + + break; + + case MMC_SEND_CSD: + retval = mmc_unpack_csd(request, &mmcinfo.csd); + mmc_csd_t *csd = (mmc_csd_t *)retval; + memcpy(&mmc_csd, csd, sizeof(csd)); + mmc_ready = 1; + + printf("MMC card is ready\n"); + /* FIXME add verbose printout for csd */ + + /*FIXME:ignore CRC error for CMD2/CMD9/CMD10 */ + if (retval && (retval != MMC_ERROR_CRC)) { + DEBUG(0, "mmc_init_card_state: unable to SEND_CSD error=%d (%s)\n", + retval, mmc_result_to_string(retval)); + return MMC_INIT_FAILED; + } + if (mmcinfo.csd.dsr_imp) { + DEBUG(0, "mmc_init_card_state: driver doesn't support setting DSR\n"); + } + mmc_configure_card(); + return MMC_INIT_PASSED; + + default: + DEBUG(0, "mmc_init_card_state: error! Illegal last cmd %d\n", request->cmd); + return MMC_INIT_FAILED; + } + + return MMC_INIT_DOING; +} + +int mmc_init_card(void) +{ + struct mmc_request request; + int retval; + + mmc_simple_cmd(&request, MMC_CIM_RESET, 0, RESPONSE_NONE); /* reset card */ + mmc_simple_cmd(&request, MMC_GO_IDLE_STATE, 0, RESPONSE_NONE); + mmcinfo.sd = 1; /* assuming a SD card */ + + while ((retval = mmc_init_card_state(&request)) == MMC_INIT_DOING) + ; + + if (retval == MMC_INIT_PASSED) + return MMC_NO_ERROR; + else + return MMC_NO_RESPONSE; +} + +int mmc_legacy_init(int verbose) +{ + if (!__msc_card_detected()) + return 1; + + printf("MMC card found\n"); + + /* Step-1: init GPIO */ + __gpio_as_msc(); + + __msc_init_io(); + + /* Step-2: turn on power of card */ +#if !defined(CONFIG_SAKC) + __msc_enable_power(); +#endif + + /* Step-3: Reset MSC Controller. */ + __msc_reset(); + + /* Step-3: mask all IRQs. */ + MMC_IRQ_MASK(); + + /* Step-4: stop MMC/SD clock */ + jz_mmc_stop_clock(); + mmc_init_card(); + mmc_select_card(); + + mmc_dev.block_read = mmc_bread; + fat_register_device(&mmc_dev,1); /* partitions start counting with 1 */ + + return 0; +} + +int mmc_ident(block_dev_desc_t *dev) +{ + return 0; +} + +int mmc2info(ulong addr) +{ + /* FIXME hard codes to 32 MB device */ + if (addr >= CFG_MMC_BASE && addr < CFG_MMC_BASE + 0x02000000) { + return 1; + } + return 0; +} +/* + * Debugging functions + */ + +static char * mmc_result_strings[] = { + "NO_RESPONSE", + "NO_ERROR", + "ERROR_OUT_OF_RANGE", + "ERROR_ADDRESS", + "ERROR_BLOCK_LEN", + "ERROR_ERASE_SEQ", + "ERROR_ERASE_PARAM", + "ERROR_WP_VIOLATION", + "ERROR_CARD_IS_LOCKED", + "ERROR_LOCK_UNLOCK_FAILED", + "ERROR_COM_CRC", + "ERROR_ILLEGAL_COMMAND", + "ERROR_CARD_ECC_FAILED", + "ERROR_CC", + "ERROR_GENERAL", + "ERROR_UNDERRUN", + "ERROR_OVERRUN", + "ERROR_CID_CSD_OVERWRITE", + "ERROR_STATE_MISMATCH", + "ERROR_HEADER_MISMATCH", + "ERROR_TIMEOUT", + "ERROR_CRC", + "ERROR_DRIVER_FAILURE", +}; + +char * mmc_result_to_string(int i) +{ + return mmc_result_strings[i+1]; +} + +static char * card_state_strings[] = { + "empty", + "idle", + "ready", + "ident", + "stby", + "tran", + "data", + "rcv", + "prg", + "dis", +}; + +static inline char * card_state_to_string(int i) +{ + return card_state_strings[i+1]; +} + +/* + * Utility functions + */ + +#define PARSE_U32(_buf,_index) \ + (((u32)_buf[_index]) << 24) | (((u32)_buf[_index+1]) << 16) | \ + (((u32)_buf[_index+2]) << 8) | ((u32)_buf[_index+3]); + +#define PARSE_U16(_buf,_index) \ + (((u16)_buf[_index]) << 8) | ((u16)_buf[_index+1]); + +int mmc_unpack_csd(struct mmc_request *request, struct mmc_csd *csd) +{ + u8 *buf = request->response; + int num = 0; + + if (request->result) + return request->result; + + csd->csd_structure = (buf[1] & 0xc0) >> 6; + if (csd->csd_structure) + sd2_0 = 1; + else + sd2_0 = 0; + + switch (csd->csd_structure) { + case 0 : + csd->taac = buf[2]; + csd->nsac = buf[3]; + csd->tran_speed = buf[4]; + csd->ccc = (((u16)buf[5]) << 4) | ((buf[6] & 0xf0) >> 4); + csd->read_bl_len = buf[6] & 0x0f; + /* for support 2GB card*/ + if (csd->read_bl_len >= 10) + { + num = csd->read_bl_len - 9; + csd->read_bl_len = 9; + } + + csd->read_bl_partial = (buf[7] & 0x80) ? 1 : 0; + csd->write_blk_misalign = (buf[7] & 0x40) ? 1 : 0; + csd->read_blk_misalign = (buf[7] & 0x20) ? 1 : 0; + csd->dsr_imp = (buf[7] & 0x10) ? 1 : 0; + csd->c_size = ((((u16)buf[7]) & 0x03) << 10) | (((u16)buf[8]) << 2) | (((u16)buf[9]) & 0xc0) >> 6; + + if (num) + csd->c_size = csd->c_size << num; + + + csd->vdd_r_curr_min = (buf[9] & 0x38) >> 3; + csd->vdd_r_curr_max = buf[9] & 0x07; + csd->vdd_w_curr_min = (buf[10] & 0xe0) >> 5; + csd->vdd_w_curr_max = (buf[10] & 0x1c) >> 2; + csd->c_size_mult = ((buf[10] & 0x03) << 1) | ((buf[11] & 0x80) >> 7); + switch (csd->csd_structure) { + case CSD_STRUCT_VER_1_0: + case CSD_STRUCT_VER_1_1: + csd->erase.v22.sector_size = (buf[11] & 0x7c) >> 2; + csd->erase.v22.erase_grp_size = ((buf[11] & 0x03) << 3) | ((buf[12] & 0xe0) >> 5); + + break; + case CSD_STRUCT_VER_1_2: + default: + csd->erase.v31.erase_grp_size = (buf[11] & 0x7c) >> 2; + csd->erase.v31.erase_grp_mult = ((buf[11] & 0x03) << 3) | ((buf[12] & 0xe0) >> 5); + break; + } + csd->wp_grp_size = buf[12] & 0x1f; + csd->wp_grp_enable = (buf[13] & 0x80) ? 1 : 0; + csd->default_ecc = (buf[13] & 0x60) >> 5; + csd->r2w_factor = (buf[13] & 0x1c) >> 2; + csd->write_bl_len = ((buf[13] & 0x03) << 2) | ((buf[14] & 0xc0) >> 6); + if (csd->write_bl_len >= 10) + csd->write_bl_len = 9; + + csd->write_bl_partial = (buf[14] & 0x20) ? 1 : 0; + csd->file_format_grp = (buf[15] & 0x80) ? 1 : 0; + csd->copy = (buf[15] & 0x40) ? 1 : 0; + csd->perm_write_protect = (buf[15] & 0x20) ? 1 : 0; + csd->tmp_write_protect = (buf[15] & 0x10) ? 1 : 0; + csd->file_format = (buf[15] & 0x0c) >> 2; + csd->ecc = buf[15] & 0x03; + + DEBUG(2," csd_structure=%d spec_vers=%d taac=%02x nsac=%02x tran_speed=%02x\n" + " ccc=%04x read_bl_len=%d read_bl_partial=%d write_blk_misalign=%d\n" + " read_blk_misalign=%d dsr_imp=%d c_size=%d vdd_r_curr_min=%d\n" + " vdd_r_curr_max=%d vdd_w_curr_min=%d vdd_w_curr_max=%d c_size_mult=%d\n" + " wp_grp_size=%d wp_grp_enable=%d default_ecc=%d r2w_factor=%d\n" + " write_bl_len=%d write_bl_partial=%d file_format_grp=%d copy=%d\n" + " perm_write_protect=%d tmp_write_protect=%d file_format=%d ecc=%d\n", + csd->csd_structure, csd->spec_vers, + csd->taac, csd->nsac, csd->tran_speed, + csd->ccc, csd->read_bl_len, + csd->read_bl_partial, csd->write_blk_misalign, + csd->read_blk_misalign, csd->dsr_imp, + csd->c_size, csd->vdd_r_curr_min, + csd->vdd_r_curr_max, csd->vdd_w_curr_min, + csd->vdd_w_curr_max, csd->c_size_mult, + csd->wp_grp_size, csd->wp_grp_enable, + csd->default_ecc, csd->r2w_factor, + csd->write_bl_len, csd->write_bl_partial, + csd->file_format_grp, csd->copy, + csd->perm_write_protect, csd->tmp_write_protect, + csd->file_format, csd->ecc); + switch (csd->csd_structure) { + case CSD_STRUCT_VER_1_0: + case CSD_STRUCT_VER_1_1: + DEBUG(2," V22 sector_size=%d erase_grp_size=%d\n", + csd->erase.v22.sector_size, + csd->erase.v22.erase_grp_size); + break; + case CSD_STRUCT_VER_1_2: + default: + DEBUG(2," V31 erase_grp_size=%d erase_grp_mult=%d\n", + csd->erase.v31.erase_grp_size, + csd->erase.v31.erase_grp_mult); + break; + + } + break; + + case 1 : + csd->taac = 0; + csd->nsac = 0; + csd->tran_speed = buf[4]; + csd->ccc = (((u16)buf[5]) << 4) | ((buf[6] & 0xf0) >> 4); + + csd->read_bl_len = 9; + csd->read_bl_partial = 0; + csd->write_blk_misalign = 0; + csd->read_blk_misalign = 0; + csd->dsr_imp = (buf[7] & 0x10) ? 1 : 0; + csd->c_size = ((((u16)buf[8]) & 0x3f) << 16) | (((u16)buf[9]) << 8) | ((u16)buf[10]) ; + switch (csd->csd_structure) { + case CSD_STRUCT_VER_1_0: + case CSD_STRUCT_VER_1_1: + csd->erase.v22.sector_size = 0x7f; + csd->erase.v22.erase_grp_size = 0; + break; + case CSD_STRUCT_VER_1_2: + default: + csd->erase.v31.erase_grp_size = 0x7f; + csd->erase.v31.erase_grp_mult = 0; + break; + } + csd->wp_grp_size = 0; + csd->wp_grp_enable = 0; + csd->default_ecc = (buf[13] & 0x60) >> 5; + csd->r2w_factor = 4;/* Unused */ + csd->write_bl_len = 9; + + csd->write_bl_partial = 0; + csd->file_format_grp = 0; + csd->copy = (buf[15] & 0x40) ? 1 : 0; + csd->perm_write_protect = (buf[15] & 0x20) ? 1 : 0; + csd->tmp_write_protect = (buf[15] & 0x10) ? 1 : 0; + csd->file_format = 0; + csd->ecc = buf[15] & 0x03; + + DEBUG(2," csd_structure=%d spec_vers=%d taac=%02x nsac=%02x tran_speed=%02x\n" + " ccc=%04x read_bl_len=%d read_bl_partial=%d write_blk_misalign=%d\n" + " read_blk_misalign=%d dsr_imp=%d c_size=%d vdd_r_curr_min=%d\n" + " vdd_r_curr_max=%d vdd_w_curr_min=%d vdd_w_curr_max=%d c_size_mult=%d\n" + " wp_grp_size=%d wp_grp_enable=%d default_ecc=%d r2w_factor=%d\n" + " write_bl_len=%d write_bl_partial=%d file_format_grp=%d copy=%d\n" + " perm_write_protect=%d tmp_write_protect=%d file_format=%d ecc=%d\n", + csd->csd_structure, csd->spec_vers, + csd->taac, csd->nsac, csd->tran_speed, + csd->ccc, csd->read_bl_len, + csd->read_bl_partial, csd->write_blk_misalign, + csd->read_blk_misalign, csd->dsr_imp, + csd->c_size, csd->vdd_r_curr_min, + csd->vdd_r_curr_max, csd->vdd_w_curr_min, + csd->vdd_w_curr_max, csd->c_size_mult, + csd->wp_grp_size, csd->wp_grp_enable, + csd->default_ecc, csd->r2w_factor, + csd->write_bl_len, csd->write_bl_partial, + csd->file_format_grp, csd->copy, + csd->perm_write_protect, csd->tmp_write_protect, + csd->file_format, csd->ecc); + switch (csd->csd_structure) { + case CSD_STRUCT_VER_1_0: + case CSD_STRUCT_VER_1_1: + DEBUG(2," V22 sector_size=%d erase_grp_size=%d\n", + csd->erase.v22.sector_size, + csd->erase.v22.erase_grp_size); + break; + case CSD_STRUCT_VER_1_2: + default: + DEBUG(2," V31 erase_grp_size=%d erase_grp_mult=%d\n", + csd->erase.v31.erase_grp_size, + csd->erase.v31.erase_grp_mult); + break; + } + } + + if (buf[0] != 0x3f) return MMC_ERROR_HEADER_MISMATCH; + + return 0; +} + +int mmc_unpack_r1(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state) +{ + u8 *buf = request->response; + + if (request->result) return request->result; + + r1->cmd = buf[0]; + r1->status = PARSE_U32(buf,1); + + DEBUG(2, "mmc_unpack_r1: cmd=%d status=%08x\n", r1->cmd, r1->status); + + if (R1_STATUS(r1->status)) { + if (r1->status & R1_OUT_OF_RANGE) return MMC_ERROR_OUT_OF_RANGE; + if (r1->status & R1_ADDRESS_ERROR) return MMC_ERROR_ADDRESS; + if (r1->status & R1_BLOCK_LEN_ERROR) return MMC_ERROR_BLOCK_LEN; + if (r1->status & R1_ERASE_SEQ_ERROR) return MMC_ERROR_ERASE_SEQ; + if (r1->status & R1_ERASE_PARAM) return MMC_ERROR_ERASE_PARAM; + if (r1->status & R1_WP_VIOLATION) return MMC_ERROR_WP_VIOLATION; + /*if (r1->status & R1_CARD_IS_LOCKED) return MMC_ERROR_CARD_IS_LOCKED; */ + if (r1->status & R1_LOCK_UNLOCK_FAILED) return MMC_ERROR_LOCK_UNLOCK_FAILED; + if (r1->status & R1_COM_CRC_ERROR) return MMC_ERROR_COM_CRC; + if (r1->status & R1_ILLEGAL_COMMAND) return MMC_ERROR_ILLEGAL_COMMAND; + if (r1->status & R1_CARD_ECC_FAILED) return MMC_ERROR_CARD_ECC_FAILED; + if (r1->status & R1_CC_ERROR) return MMC_ERROR_CC; + if (r1->status & R1_ERROR) return MMC_ERROR_GENERAL; + if (r1->status & R1_UNDERRUN) return MMC_ERROR_UNDERRUN; + if (r1->status & R1_OVERRUN) return MMC_ERROR_OVERRUN; + if (r1->status & R1_CID_CSD_OVERWRITE) return MMC_ERROR_CID_CSD_OVERWRITE; + } + + if (buf[0] != request->cmd) return MMC_ERROR_HEADER_MISMATCH; + + /* This should be last - it's the least dangerous error */ + + return 0; +} + +int mmc_unpack_scr(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, u32 *scr) +{ + u8 *buf = request->response; + if (request->result) return request->result; + + *scr = PARSE_U32(buf, 5); /* Save SCR returned by the SD Card */ + return mmc_unpack_r1(request, r1, state); + +} + +int mmc_unpack_r6(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, int *rca) +{ + u8 *buf = request->response; + + if (request->result) return request->result; + + *rca = PARSE_U16(buf,1); /* Save RCA returned by the SD Card */ + + *(buf+1) = 0; + *(buf+2) = 0; + + return mmc_unpack_r1(request, r1, state); +} + +int mmc_unpack_cid(struct mmc_request *request, struct mmc_cid *cid) +{ + u8 *buf = request->response; + int i; + + if (request->result) return request->result; + + cid->mid = buf[1]; + cid->oid = PARSE_U16(buf,2); + for (i = 0 ; i < 6 ; i++) + cid->pnm[i] = buf[4+i]; + cid->pnm[6] = 0; + cid->prv = buf[10]; + cid->psn = PARSE_U32(buf,11); + cid->mdt = buf[15]; + + DEBUG(2,"mmc_unpack_cid: mid=%d oid=%d pnm=%s prv=%d.%d psn=%08x mdt=%d/%d\n", + cid->mid, cid->oid, cid->pnm, + (cid->prv>>4), (cid->prv&0xf), + cid->psn, (cid->mdt>>4), (cid->mdt&0xf)+1997); + + if (buf[0] != 0x3f) return MMC_ERROR_HEADER_MISMATCH; + return 0; +} + +int mmc_unpack_r3(struct mmc_request *request, struct mmc_response_r3 *r3) +{ + u8 *buf = request->response; + + if (request->result) return request->result; + + r3->ocr = PARSE_U32(buf,1); + DEBUG(2,"mmc_unpack_r3: ocr=%08x\n", r3->ocr); + + if (buf[0] != 0x3f) return MMC_ERROR_HEADER_MISMATCH; + return 0; +} + +#define KBPS 1 +#define MBPS 1000 + +static u32 ts_exp[] = { 100*KBPS, 1*MBPS, 10*MBPS, 100*MBPS, 0, 0, 0, 0 }; +static u32 ts_mul[] = { 0, 1000, 1200, 1300, 1500, 2000, 2500, 3000, + 3500, 4000, 4500, 5000, 5500, 6000, 7000, 8000 }; + +u32 mmc_tran_speed(u8 ts) +{ + u32 rate = ts_exp[(ts & 0x7)] * ts_mul[(ts & 0x78) >> 3]; + + if (rate <= 0) { + DEBUG(0, "mmc_tran_speed: error - unrecognized speed 0x%02x\n", ts); + return 1; + } + + return rate; +} + +void mmc_send_cmd(struct mmc_request *request, int cmd, u32 arg, + u16 nob, u16 block_len, enum mmc_rsp_t rtype, u8 *buffer) +{ + request->cmd = cmd; + request->arg = arg; + request->rtype = rtype; + request->nob = nob; + request->block_len = block_len; + request->buffer = buffer; + request->cnt = nob * block_len; + + jz_mmc_exec_cmd(request); +} + +#endif /* CONFIG_MMC */ +#endif /* CONFIG_JZ4740 */ diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz_mmc.h b/package/boot/uboot-xburst/files/cpu/mips/jz_mmc.h new file mode 100644 index 0000000..0c7b70f --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/jz_mmc.h @@ -0,0 +1,113 @@ +/* + * linux/drivers/mmc/jz_mmc.h + * + * Author: Vladimir Shebordaev, Igor Oblakov + * Copyright: MontaVista Software Inc. + * + * $Id: jz_mmc.h,v 1.3 2007-06-15 08:04:20 jlwei Exp $ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __MMC_JZMMC_H__ +#define __MMC_JZMMC_H__ + +#include "mmc_protocol.h" + +#define MMC_DEBUG_LEVEL 0 /* Enable Debug: 0 - no debug */ + +#define MMC_BLOCK_SIZE 512 /* MMC/SD Block Size */ + +#define ID_TO_RCA(x) ((x)+1) + +#define MMC_OCR_ARG 0x00ff8000 /* Argument of OCR */ + +enum mmc_result_t { + MMC_NO_RESPONSE = -1, + MMC_NO_ERROR = 0, + MMC_ERROR_OUT_OF_RANGE, + MMC_ERROR_ADDRESS, + MMC_ERROR_BLOCK_LEN, + MMC_ERROR_ERASE_SEQ, + MMC_ERROR_ERASE_PARAM, + MMC_ERROR_WP_VIOLATION, + MMC_ERROR_CARD_IS_LOCKED, + MMC_ERROR_LOCK_UNLOCK_FAILED, + MMC_ERROR_COM_CRC, + MMC_ERROR_ILLEGAL_COMMAND, + MMC_ERROR_CARD_ECC_FAILED, + MMC_ERROR_CC, + MMC_ERROR_GENERAL, + MMC_ERROR_UNDERRUN, + MMC_ERROR_OVERRUN, + MMC_ERROR_CID_CSD_OVERWRITE, + MMC_ERROR_STATE_MISMATCH, + MMC_ERROR_HEADER_MISMATCH, + MMC_ERROR_TIMEOUT, + MMC_ERROR_CRC, + MMC_ERROR_DRIVER_FAILURE, +}; + +/* the information structure of MMC/SD Card */ +typedef struct MMC_INFO +{ + int id; /* Card index */ + int sd; /* MMC or SD card */ + int rca; /* RCA */ + u32 scr; /* SCR 63:32*/ + int flags; /* Ejected, inserted */ + enum card_state state; /* empty, ident, ready, whatever */ + + /* Card specific information */ + struct mmc_cid cid; + struct mmc_csd csd; + u32 block_num; + u32 block_len; + u32 erase_unit; +} mmc_info; + +mmc_info mmcinfo; + +struct mmc_request { + int index; /* Slot index - used for CS lines */ + int cmd; /* Command to send */ + u32 arg; /* Argument to send */ + enum mmc_rsp_t rtype; /* Response type expected */ + + /* Data transfer (these may be modified at the low level) */ + u16 nob; /* Number of blocks to transfer*/ + u16 block_len; /* Block length */ + u8 *buffer; /* Data buffer */ + u32 cnt; /* Data length, for PIO */ + + /* Results */ + u8 response[18]; /* Buffer to store response - CRC is optional */ + enum mmc_result_t result; +}; + +char * mmc_result_to_string(int); +int mmc_unpack_csd(struct mmc_request *request, struct mmc_csd *csd); +int mmc_unpack_r1(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state); +int mmc_unpack_r6(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, int *rca); +int mmc_unpack_scr(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, u32 *scr); +int mmc_unpack_cid(struct mmc_request *request, struct mmc_cid *cid); +int mmc_unpack_r3(struct mmc_request *request, struct mmc_response_r3 *r3); + +void mmc_send_cmd(struct mmc_request *request, int cmd, u32 arg, + u16 nob, u16 block_len, enum mmc_rsp_t rtype, u8 *buffer); +u32 mmc_tran_speed(u8 ts); +void jz_mmc_set_clock(int sd, u32 rate); +void jz_mmc_hardware_init(void); + +static inline void mmc_simple_cmd(struct mmc_request *request, int cmd, u32 arg, enum mmc_rsp_t rtype) +{ + mmc_send_cmd( request, cmd, arg, 0, 0, rtype, 0); +} + +int mmc_legacy_init(int verbose); +int mmc_read(ulong src, uchar *dst, int size); +int mmc_write(uchar *src, ulong dst, int size); +int mmc2info(ulong addr); + +#endif /* __MMC_JZMMC_H__ */ diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz_serial.c b/package/boot/uboot-xburst/files/cpu/mips/jz_serial.c new file mode 100644 index 0000000..e9a18a1 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/jz_serial.c @@ -0,0 +1,141 @@ +/* + * Jz47xx UART support + * + * Hardcoded to UART 0 for now + * Options also hardcoded to 8N1 + * + * Copyright (c) 2005 + * Ingenic Semiconductor, <jlwei@ingenic.cn> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> + +#if defined(CONFIG_JZ4740) + +#include <common.h> + +#include <asm/jz4740.h> + +#undef UART_BASE +#ifndef CONFIG_SYS_UART_BASE +#define UART_BASE UART0_BASE +#else +#define UART_BASE CONFIG_SYS_UART_BASE +#endif + +/****************************************************************************** +* +* serial_init - initialize a channel +* +* This routine initializes the number of data bits, parity +* and set the selected baud rate. Interrupts are disabled. +* Set the modem control signals if the option is selected. +* +* RETURNS: N/A +*/ + +int serial_init (void) +{ +#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) + volatile u8 *uart_fcr = (volatile u8 *)(UART_BASE + OFF_FCR); + volatile u8 *uart_lcr = (volatile u8 *)(UART_BASE + OFF_LCR); + volatile u8 *uart_ier = (volatile u8 *)(UART_BASE + OFF_IER); + volatile u8 *uart_sircr = (volatile u8 *)(UART_BASE + OFF_SIRCR); + + /* Disable port interrupts while changing hardware */ + *uart_ier = 0; + + /* Disable UART unit function */ + *uart_fcr = ~UART_FCR_UUE; + + /* Set both receiver and transmitter in UART mode (not SIR) */ + *uart_sircr = ~(SIRCR_RSIRE | SIRCR_TSIRE); + + /* Set databits, stopbits and parity. (8-bit data, 1 stopbit, no parity) */ + *uart_lcr = UART_LCR_WLEN_8 | UART_LCR_STOP_1; + + /* Set baud rate */ + serial_setbrg(); + + /* Enable UART unit, enable and clear FIFO */ + *uart_fcr = UART_FCR_UUE | UART_FCR_FE | UART_FCR_TFLS | UART_FCR_RFLS; +#endif + return 0; +} + +void serial_setbrg (void) +{ + volatile u8 *uart_lcr = (volatile u8 *)(UART_BASE + OFF_LCR); + volatile u8 *uart_dlhr = (volatile u8 *)(UART_BASE + OFF_DLHR); + volatile u8 *uart_dllr = (volatile u8 *)(UART_BASE + OFF_DLLR); + u32 baud_div, tmp; + + baud_div = CONFIG_SYS_EXTAL / 16 / CONFIG_BAUDRATE; + + tmp = *uart_lcr; + tmp |= UART_LCR_DLAB; + *uart_lcr = tmp; + + *uart_dlhr = (baud_div >> 8) & 0xff; + *uart_dllr = baud_div & 0xff; + + tmp &= ~UART_LCR_DLAB; + *uart_lcr = tmp; +} + +void serial_putc (const char c) +{ + volatile u8 *uart_lsr = (volatile u8 *)(UART_BASE + OFF_LSR); + volatile u8 *uart_tdr = (volatile u8 *)(UART_BASE + OFF_TDR); + + if (c == '\n') serial_putc ('\r'); + + /* Wait for fifo to shift out some bytes */ + while ( !((*uart_lsr & (UART_LSR_TDRQ | UART_LSR_TEMT)) == 0x60) ); + + *uart_tdr = (u8)c; +} + +void serial_puts (const char *s) +{ + while (*s) { + serial_putc (*s++); + } +} + +int serial_getc (void) +{ + volatile u8 *uart_rdr = (volatile u8 *)(UART_BASE + OFF_RDR); + + while (!serial_tstc()); + + return *uart_rdr; +} + +int serial_tstc (void) +{ + volatile u8 *uart_lsr = (volatile u8 *)(UART_BASE + OFF_LSR); + + if (*uart_lsr & UART_LSR_DR) { + /* Data in rfifo */ + return (1); + } + return 0; +} + +#endif diff --git a/package/boot/uboot-xburst/files/cpu/mips/mmc_protocol.h b/package/boot/uboot-xburst/files/cpu/mips/mmc_protocol.h new file mode 100644 index 0000000..ebd5912 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/mmc_protocol.h @@ -0,0 +1,273 @@ +/* +********************************************************************** +* +* uC/MMC +* +* (c) Copyright 2005 - 2007, Ingenic Semiconductor, Inc +* All rights reserved. +* +*********************************************************************** + +---------------------------------------------------------------------- +File : mmc_protocol.h +Purpose : MMC protocol definitions. + +---------------------------------------------------------------------- +Version-Date-----Author-Explanation +---------------------------------------------------------------------- +1.00.00 20060831 WeiJianli First release + +---------------------------------------------------------------------- +Known problems or limitations with current version +---------------------------------------------------------------------- +(none) +---------------------------END-OF-HEADER------------------------------ +*/ + +#ifndef __MMC_PROTOCOL__ +#define __MMC_PROTOCOL__ + +/* Standard MMC/SD clock speeds */ +#define MMC_CLOCK_SLOW 400000 /* 400 kHz for initial setup */ +#define MMC_CLOCK_FAST 20000000 /* 20 MHz for maximum for normal operation */ +#define SD_CLOCK_FAST 24000000 /* 24 MHz for SD Cards */ + +/* Extra MMC commands for state control */ +/* Use negative numbers to disambiguate */ +#define MMC_CIM_RESET -1 + +/* Standard MMC commands (3.1) type argument response */ + /* class 1 */ +#define MMC_GO_IDLE_STATE 0 /* bc */ +#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */ +#define MMC_ALL_SEND_CID 2 /* bcr R2 */ +#define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */ +#define MMC_SET_DSR 4 /* bc [31:16] RCA */ +#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */ +#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */ +#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */ +#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */ +#define MMC_STOP_TRANSMISSION 12 /* ac R1b */ +#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */ +#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */ + + /* class 2 */ +#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */ +#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */ +#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */ + + /* class 3 */ +#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */ + + /* class 4 */ +#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */ +#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */ +#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */ +#define MMC_PROGRAM_CID 26 /* adtc R1 */ +#define MMC_PROGRAM_CSD 27 /* adtc R1 */ + + /* class 6 */ +#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */ +#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */ +#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */ + + /* class 5 */ +#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */ +#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */ +#define MMC_ERASE 37 /* ac R1b */ + + /* class 9 */ +#define MMC_FAST_IO 39 /* ac <Complex> R4 */ +#define MMC_GO_IRQ_STATE 40 /* bcr R5 */ + + /* class 7 */ +#define MMC_LOCK_UNLOCK 42 /* adtc R1b */ + + /* class 8 */ +#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */ +#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1b */ + + /* SD class */ +#define SD_SEND_OP_COND 41 /* bcr [31:0] OCR R3 */ +#define SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ +#define SEND_SCR 51 /* adtc [31:0] staff R1 */ + +/* Don't change the order of these; they are used in dispatch tables */ +enum mmc_rsp_t { + RESPONSE_NONE = 0, + RESPONSE_R1 = 1, + RESPONSE_R1B = 2, + RESPONSE_R2_CID = 3, + RESPONSE_R2_CSD = 4, + RESPONSE_R3 = 5, + RESPONSE_R4 = 6, + RESPONSE_R5 = 7, + RESPONSE_R6 = 8, +}; + + +/* + MMC status in R1 + Type + e : error bit + s : status bit + r : detected and set for the actual command response + x : detected and set during command execution. the host must poll + the card by sending status command in order to read these bits. + Clear condition + a : according to the card state + b : always related to the previous command. Reception of + a valid command will clear it (with a delay of one command) + c : clear by read + */ + +#define R1_OUT_OF_RANGE (1 << 31) /* er, c */ +#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */ +#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */ +#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */ +#define R1_ERASE_PARAM (1 << 27) /* ex, c */ +#define R1_WP_VIOLATION (1 << 26) /* erx, c */ +#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */ +#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */ +#define R1_COM_CRC_ERROR (1 << 23) /* er, b */ +#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */ +#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */ +#define R1_CC_ERROR (1 << 20) /* erx, c */ +#define R1_ERROR (1 << 19) /* erx, c */ +#define R1_UNDERRUN (1 << 18) /* ex, c */ +#define R1_OVERRUN (1 << 17) /* ex, c */ +#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */ +#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */ +#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */ +#define R1_ERASE_RESET (1 << 13) /* sr, c */ +#define R1_STATUS(x) (x & 0xFFFFE000) +#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */ +#define R1_READY_FOR_DATA (1 << 8) /* sx, a */ +#define R1_APP_CMD (1 << 7) /* sr, c */ + +enum card_state { + CARD_STATE_EMPTY = -1, + CARD_STATE_IDLE = 0, + CARD_STATE_READY = 1, + CARD_STATE_IDENT = 2, + CARD_STATE_STBY = 3, + CARD_STATE_TRAN = 4, + CARD_STATE_DATA = 5, + CARD_STATE_RCV = 6, + CARD_STATE_PRG = 7, + CARD_STATE_DIS = 8, +}; + +/* These are unpacked versions of the actual responses */ + + struct mmc_response_r1 { + u8 cmd; + u32 status; +}; + +typedef struct mmc_cid { + u8 mid; + u16 oid; + u8 pnm[7]; /* Product name (we null-terminate) */ + u8 prv; + u32 psn; + u8 mdt; +}mmc_cid_t; + +typedef struct mmc_csd { + u8 csd_structure; + u8 spec_vers; + u8 taac; + u8 nsac; + u8 tran_speed; + u16 ccc; + u8 read_bl_len; + u8 read_bl_partial; + u8 write_blk_misalign; + u8 read_blk_misalign; + u8 dsr_imp; + u16 c_size; + u8 vdd_r_curr_min; + u8 vdd_r_curr_max; + u8 vdd_w_curr_min; + u8 vdd_w_curr_max; + u8 c_size_mult; + union { + struct { /* MMC system specification version 3.1 */ + u8 erase_grp_size; + u8 erase_grp_mult; + } v31; + struct { /* MMC system specification version 2.2 */ + u8 sector_size; + u8 erase_grp_size; + } v22; + } erase; + u8 wp_grp_size; + u8 wp_grp_enable; + u8 default_ecc; + u8 r2w_factor; + u8 write_bl_len; + u8 write_bl_partial; + u8 file_format_grp; + u8 copy; + u8 perm_write_protect; + u8 tmp_write_protect; + u8 file_format; + u8 ecc; +}mmc_csd_t;; + +struct mmc_response_r3 { + u32 ocr; +}; + +#define MMC_VDD_145_150 0x00000001 /* VDD voltage 1.45 - 1.50 */ +#define MMC_VDD_150_155 0x00000002 /* VDD voltage 1.50 - 1.55 */ +#define MMC_VDD_155_160 0x00000004 /* VDD voltage 1.55 - 1.60 */ +#define MMC_VDD_160_165 0x00000008 /* VDD voltage 1.60 - 1.65 */ +#define MMC_VDD_165_170 0x00000010 /* VDD voltage 1.65 - 1.70 */ +#define MMC_VDD_17_18 0x00000020 /* VDD voltage 1.7 - 1.8 */ +#define MMC_VDD_18_19 0x00000040 /* VDD voltage 1.8 - 1.9 */ +#define MMC_VDD_19_20 0x00000080 /* VDD voltage 1.9 - 2.0 */ +#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ +#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ +#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */ +#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */ +#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */ +#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */ +#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */ +#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */ +#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */ +#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */ +#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */ +#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */ +#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */ +#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */ +#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */ +#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */ +#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */ + + +/* CSD field definitions */ + +#define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */ +#define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */ +#define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 */ + +#define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */ +#define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */ +#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */ +#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 */ + +#if MMC_DEBUG_LEVEL + +#define DEBUG(n, args...) \ + do { \ + if (n <= MMC_DEBUG_LEVEL) { \ + printf(args); \ + } \ + } while(0) +#else +#define DEBUG(n, args...) +#endif /* MMC_DEBUG_EN */ + +#endif /* __MMC_PROTOCOL__ */ diff --git a/package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c b/package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c new file mode 100644 index 0000000..4c98d29 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c @@ -0,0 +1,420 @@ +/* + * JzRISC lcd controller + * + * xiangfu liu <xiangfu.z@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <lcd.h> + +#include <asm/io.h> /* virt_to_phys() */ + +#include <asm/jz4740.h> +#include "nanonote_gpm940b0.h" + +#define align2(n) (n)=((((n)+1)>>1)<<1) +#define align4(n) (n)=((((n)+3)>>2)<<2) +#define align8(n) (n)=((((n)+7)>>3)<<3) + +struct jzfb_info { + unsigned int cfg; /* panel mode and pin usage etc. */ + unsigned int w; + unsigned int h; + unsigned int bpp; /* bit per pixel */ + unsigned int fclk; /* frame clk */ + unsigned int hsw; /* hsync width, in pclk */ + unsigned int vsw; /* vsync width, in line count */ + unsigned int elw; /* end of line, in pclk */ + unsigned int blw; /* begin of line, in pclk */ + unsigned int efw; /* end of frame, in line count */ + unsigned int bfw; /* begin of frame, in line count */ +}; + +static struct jzfb_info jzfb = { + MODE_8BIT_SERIAL_TFT | PCLK_N | HSYNC_N | VSYNC_N, + 320, 240, 32, 70, 1, 1, 273, 140, 1, 20 +}; + +vidinfo_t panel_info = { + 320, 240, LCD_BPP, +}; + +int lcd_line_length; + +int lcd_color_fg; +int lcd_color_bg; +/* + * Frame buffer memory information + */ +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +short console_col; +short console_row; + +void lcd_ctrl_init (void *lcdbase); +void lcd_enable (void); +void lcd_disable (void); + +static int jz_lcd_init_mem(void *lcdbase, vidinfo_t *vid); +static void jz_lcd_desc_init(vidinfo_t *vid); +static int jz_lcd_hw_init( vidinfo_t *vid ); +extern int flush_cache_all(void); + +void lcd_ctrl_init (void *lcdbase) +{ + __lcd_display_pin_init(); + + jz_lcd_init_mem(lcdbase, &panel_info); + jz_lcd_desc_init(&panel_info); + jz_lcd_hw_init(&panel_info); + + __lcd_display_on() ; +} + +/* + * Before enabled lcd controller, lcd registers should be configured correctly. + */ + +void lcd_enable (void) +{ + REG_LCD_CTRL &= ~(1<<4); /* LCDCTRL.DIS */ + REG_LCD_CTRL |= 1<<3; /* LCDCTRL.ENA*/ +} + +void lcd_disable (void) +{ + REG_LCD_CTRL |= (1<<4); /* LCDCTRL.DIS, regular disable */ + /* REG_LCD_CTRL |= (1<<3); */ /* LCDCTRL.DIS, quikly disable */ +} + +static int jz_lcd_init_mem(void *lcdbase, vidinfo_t *vid) +{ + u_long palette_mem_size; + struct jz_fb_info *fbi = &vid->jz_fb; + int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8; + + fbi->screen = (u_long)lcdbase; + fbi->palette_size = 256; + palette_mem_size = fbi->palette_size * sizeof(u16); + + debug("jz_lcd.c palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size); + /* locate palette and descs at end of page following fb */ + fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size; + + return 0; +} + +static void jz_lcd_desc_init(vidinfo_t *vid) +{ + struct jz_fb_info * fbi; + fbi = &vid->jz_fb; + fbi->dmadesc_fblow = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 3*16); + fbi->dmadesc_fbhigh = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 2*16); + fbi->dmadesc_palette = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 1*16); + + #define BYTES_PER_PANEL (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8) + + /* populate descriptors */ + fbi->dmadesc_fblow->fdadr = virt_to_phys(fbi->dmadesc_fblow); + fbi->dmadesc_fblow->fsadr = virt_to_phys((void *)(fbi->screen + BYTES_PER_PANEL)); + fbi->dmadesc_fblow->fidr = 0; + fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL / 4 ; + + fbi->fdadr1 = virt_to_phys(fbi->dmadesc_fblow); /* only used in dual-panel mode */ + + fbi->dmadesc_fbhigh->fsadr = virt_to_phys((void *)fbi->screen); + fbi->dmadesc_fbhigh->fidr = 0; + fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL / 4; /* length in word */ + + fbi->dmadesc_palette->fsadr = virt_to_phys((void *)fbi->palette); + fbi->dmadesc_palette->fidr = 0; + fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2)/4 | (1<<28); + + if(NBITS(vid->vl_bpix) < 12) + { + /* assume any mode with <12 bpp is palette driven */ + fbi->dmadesc_palette->fdadr = virt_to_phys(fbi->dmadesc_fbhigh); + fbi->dmadesc_fbhigh->fdadr = virt_to_phys(fbi->dmadesc_palette); + /* flips back and forth between pal and fbhigh */ + fbi->fdadr0 = virt_to_phys(fbi->dmadesc_palette); + } else { + /* palette shouldn't be loaded in true-color mode */ + fbi->dmadesc_fbhigh->fdadr = virt_to_phys((void *)fbi->dmadesc_fbhigh); + fbi->fdadr0 = virt_to_phys(fbi->dmadesc_fbhigh); /* no pal just fbhigh */ + } + + flush_cache_all(); +} + +static int jz_lcd_hw_init(vidinfo_t *vid) +{ + struct jz_fb_info *fbi = &vid->jz_fb; + unsigned int val = 0; + unsigned int pclk; + unsigned int stnH; + int pll_div; + + /* Setting Control register */ + switch (jzfb.bpp) { + case 1: + val |= LCD_CTRL_BPP_1; + break; + case 2: + val |= LCD_CTRL_BPP_2; + break; + case 4: + val |= LCD_CTRL_BPP_4; + break; + case 8: + val |= LCD_CTRL_BPP_8; + break; + case 15: + val |= LCD_CTRL_RGB555; + case 16: + val |= LCD_CTRL_BPP_16; + break; + case 17 ... 32: + val |= LCD_CTRL_BPP_18_24; /* target is 4bytes/pixel */ + break; + + default: + printf("jz_lcd.c The BPP %d is not supported\n", jzfb.bpp); + val |= LCD_CTRL_BPP_16; + break; + } + + switch (jzfb.cfg & MODE_MASK) { + case MODE_STN_MONO_DUAL: + case MODE_STN_COLOR_DUAL: + case MODE_STN_MONO_SINGLE: + case MODE_STN_COLOR_SINGLE: + switch (jzfb.bpp) { + case 1: + /* val |= LCD_CTRL_PEDN; */ + case 2: + val |= LCD_CTRL_FRC_2; + break; + case 4: + val |= LCD_CTRL_FRC_4; + break; + case 8: + default: + val |= LCD_CTRL_FRC_16; + break; + } + break; + } + + val |= LCD_CTRL_BST_16; /* Burst Length is 16WORD=64Byte */ + val |= LCD_CTRL_OFUP; /* OutFIFO underrun protect */ + + switch (jzfb.cfg & MODE_MASK) { + case MODE_STN_MONO_DUAL: + case MODE_STN_COLOR_DUAL: + case MODE_STN_MONO_SINGLE: + case MODE_STN_COLOR_SINGLE: + switch (jzfb.cfg & STN_DAT_PINMASK) { + case STN_DAT_PIN1: + /* Do not adjust the hori-param value. */ + break; + case STN_DAT_PIN2: + align2(jzfb.hsw); + align2(jzfb.elw); + align2(jzfb.blw); + break; + case STN_DAT_PIN4: + align4(jzfb.hsw); + align4(jzfb.elw); + align4(jzfb.blw); + break; + case STN_DAT_PIN8: + align8(jzfb.hsw); + align8(jzfb.elw); + align8(jzfb.blw); + break; + } + break; + } + + REG_LCD_CTRL = val; + + switch (jzfb.cfg & MODE_MASK) { + case MODE_STN_MONO_DUAL: + case MODE_STN_COLOR_DUAL: + case MODE_STN_MONO_SINGLE: + case MODE_STN_COLOR_SINGLE: + if (((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL)) + stnH = jzfb.h >> 1; + else + stnH = jzfb.h; + + REG_LCD_VSYNC = (0 << 16) | jzfb.vsw; + REG_LCD_HSYNC = ((jzfb.blw+jzfb.w) << 16) | (jzfb.blw+jzfb.w+jzfb.hsw); + + /* Screen setting */ + REG_LCD_VAT = ((jzfb.blw + jzfb.w + jzfb.hsw + jzfb.elw) << 16) | (stnH + jzfb.vsw + jzfb.bfw + jzfb.efw); + REG_LCD_DAH = (jzfb.blw << 16) | (jzfb.blw + jzfb.w); + REG_LCD_DAV = (0 << 16) | (stnH); + + /* AC BIAs signal */ + REG_LCD_PS = (0 << 16) | (stnH+jzfb.vsw+jzfb.efw+jzfb.bfw); + + break; + + case MODE_TFT_GEN: + case MODE_TFT_SHARP: + case MODE_TFT_CASIO: + case MODE_TFT_SAMSUNG: + case MODE_8BIT_SERIAL_TFT: + case MODE_TFT_18BIT: + REG_LCD_VSYNC = (0 << 16) | jzfb.vsw; + REG_LCD_HSYNC = (0 << 16) | jzfb.hsw; + REG_LCD_DAV =((jzfb.vsw+jzfb.bfw) << 16) | (jzfb.vsw +jzfb.bfw+jzfb.h); + REG_LCD_DAH = ((jzfb.hsw + jzfb.blw) << 16) | (jzfb.hsw + jzfb.blw + jzfb.w ); + REG_LCD_VAT = (((jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw)) << 16) \ + | (jzfb.vsw + jzfb.bfw + jzfb.h + jzfb.efw); + break; + } + + switch (jzfb.cfg & MODE_MASK) { + case MODE_TFT_SAMSUNG: + { + unsigned int total, tp_s, tp_e, ckv_s, ckv_e; + unsigned int rev_s, rev_e, inv_s, inv_e; + + pclk = val * (jzfb.w + jzfb.hsw + jzfb.elw + jzfb.blw) * + (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ + + total = jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw; + tp_s = jzfb.blw + jzfb.w + 1; + tp_e = tp_s + 1; + /* ckv_s = tp_s - jz_clocks.pixclk/(1000000000/4100); */ + ckv_s = tp_s - pclk/(1000000000/4100); + ckv_e = tp_s + total; + rev_s = tp_s - 11; /* -11.5 clk */ + rev_e = rev_s + total; + inv_s = tp_s; + inv_e = inv_s + total; + REG_LCD_CLS = (tp_s << 16) | tp_e; + REG_LCD_PS = (ckv_s << 16) | ckv_e; + REG_LCD_SPL = (rev_s << 16) | rev_e; + REG_LCD_REV = (inv_s << 16) | inv_e; + jzfb.cfg |= STFT_REVHI | STFT_SPLHI; + break; + } + case MODE_TFT_SHARP: + { + unsigned int total, cls_s, cls_e, ps_s, ps_e; + unsigned int spl_s, spl_e, rev_s, rev_e; + total = jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw; + spl_s = 1; + spl_e = spl_s + 1; + cls_s = 0; + cls_e = total - 60; /* > 4us (pclk = 80ns) */ + ps_s = cls_s; + ps_e = cls_e; + rev_s = total - 40; /* > 3us (pclk = 80ns) */ + rev_e = rev_s + total; + jzfb.cfg |= STFT_PSHI; + REG_LCD_SPL = (spl_s << 16) | spl_e; + REG_LCD_CLS = (cls_s << 16) | cls_e; + REG_LCD_PS = (ps_s << 16) | ps_e; + REG_LCD_REV = (rev_s << 16) | rev_e; + break; + } + case MODE_TFT_CASIO: + break; + } + + /* Configure the LCD panel */ + REG_LCD_CFG = jzfb.cfg; + + /* Timing setting */ + __cpm_stop_lcd(); + + val = jzfb.fclk; /* frame clk */ + if ( (jzfb.cfg & MODE_MASK) != MODE_8BIT_SERIAL_TFT) { + pclk = val * (jzfb.w + jzfb.hsw + jzfb.elw + jzfb.blw) * + (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ + } else { + /* serial mode: Hsync period = 3*Width_Pixel */ + pclk = val * (jzfb.w*3 + jzfb.hsw + jzfb.elw + jzfb.blw) * + (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ + } + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_SINGLE) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL)) + pclk = (pclk * 3); + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_SINGLE) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_SINGLE) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) + pclk = pclk >> ((jzfb.cfg & STN_DAT_PINMASK) >> 4); + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) + pclk >>= 1; + + pll_div = ( REG_CPM_CPCCR & CPM_CPCCR_PCS ); /* clock source,0:pllout/2 1: pllout */ + pll_div = pll_div ? 1 : 2 ; + val = ( __cpm_get_pllout()/pll_div ) / pclk; + val--; + if ( val > 0x1ff ) { + printf("CPM_LPCDR too large, set it to 0x1ff\n"); + val = 0x1ff; + } + __cpm_set_pixdiv(val); + + val = pclk * 3 ; /* LCDClock > 2.5*Pixclock */ + if ( val > 150000000 ) { + printf("Warning: LCDClock=%d\n, LCDClock must less or equal to 150MHz.\n", val); + printf("Change LCDClock to 150MHz\n"); + val = 150000000; + } + val = ( __cpm_get_pllout()/pll_div ) / val; + val--; + if ( val > 0x1f ) { + printf("CPM_CPCCR.LDIV too large, set it to 0x1f\n"); + val = 0x1f; + } + __cpm_set_ldiv( val ); + REG_CPM_CPCCR |= CPM_CPCCR_CE ; /* update divide */ + + __cpm_start_lcd(); + udelay(1000); + + REG_LCD_DA0 = fbi->fdadr0; /* frame descripter*/ + + if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || + ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) + REG_LCD_DA1 = fbi->fdadr1; /* frame descripter*/ + + return 0; +} + +void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) +{ +} + +void lcd_initcolregs (void) +{ +} diff --git a/package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.h b/package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.h new file mode 100644 index 0000000..8ff78ad --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.h @@ -0,0 +1,234 @@ +/* + * JzRISC lcd controller + * + * xiangfu liu <xiangfu.z@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __QI_LB60_GPM940B0_H__ +#define __QI_LB60_GPM940B0_H__ + +#include <asm/io.h> + +#define mdelay(n) udelay((n)*1000) + +#define NR_PALETTE 256 + +struct lcd_desc{ + unsigned int next_desc; /* LCDDAx */ + unsigned int databuf; /* LCDSAx */ + unsigned int frame_id; /* LCDFIDx */ + unsigned int cmd; /* LCDCMDx */ +}; + +#define MODE_MASK 0x0f +#define MODE_TFT_GEN 0x00 +#define MODE_TFT_SHARP 0x01 +#define MODE_TFT_CASIO 0x02 +#define MODE_TFT_SAMSUNG 0x03 +#define MODE_CCIR656_NONINT 0x04 +#define MODE_CCIR656_INT 0x05 +#define MODE_STN_COLOR_SINGLE 0x08 +#define MODE_STN_MONO_SINGLE 0x09 +#define MODE_STN_COLOR_DUAL 0x0a +#define MODE_STN_MONO_DUAL 0x0b +#define MODE_8BIT_SERIAL_TFT 0x0c + +#define MODE_TFT_18BIT (1<<7) + +#define STN_DAT_PIN1 (0x00 << 4) +#define STN_DAT_PIN2 (0x01 << 4) +#define STN_DAT_PIN4 (0x02 << 4) +#define STN_DAT_PIN8 (0x03 << 4) +#define STN_DAT_PINMASK STN_DAT_PIN8 + +#define STFT_PSHI (1 << 15) +#define STFT_CLSHI (1 << 14) +#define STFT_SPLHI (1 << 13) +#define STFT_REVHI (1 << 12) + +#define SYNC_MASTER (0 << 16) +#define SYNC_SLAVE (1 << 16) + +#define DE_P (0 << 9) +#define DE_N (1 << 9) + +#define PCLK_P (0 << 10) +#define PCLK_N (1 << 10) + +#define HSYNC_P (0 << 11) +#define HSYNC_N (1 << 11) + +#define VSYNC_P (0 << 8) +#define VSYNC_N (1 << 8) + +#define DATA_NORMAL (0 << 17) +#define DATA_INVERSE (1 << 17) + + +/* Jz LCDFB supported I/O controls. */ +#define FBIOSETBACKLIGHT 0x4688 +#define FBIODISPON 0x4689 +#define FBIODISPOFF 0x468a +#define FBIORESET 0x468b +#define FBIOPRINT_REG 0x468c + +/* + * LCD panel specific definition + */ +#define MODE 0xc9 /* 8bit serial RGB */ +#define SPEN (32*2+21) /*LCD_SPL */ +#define SPCK (32*2+23) /*LCD_CLS */ +#define SPDA (32*2+22) /*LCD_D12 */ +#define LCD_RET (32*3+27) + +#define __spi_write_reg1(reg, val) \ +do { \ + unsigned char no;\ + unsigned short value;\ + unsigned char a=0;\ + unsigned char b=0;\ + a=reg;\ + b=val;\ + __gpio_set_pin(SPEN);\ + __gpio_set_pin(SPCK);\ + __gpio_clear_pin(SPDA);\ + __gpio_clear_pin(SPEN);\ + udelay(25);\ + value=((a<<8)|(b&0xFF));\ + for(no=0;no<16;no++)\ + {\ + __gpio_clear_pin(SPCK);\ + if((value&0x8000)==0x8000)\ + __gpio_set_pin(SPDA);\ + else\ + __gpio_clear_pin(SPDA);\ + udelay(25);\ + __gpio_set_pin(SPCK);\ + value=(value<<1); \ + udelay(25);\ + }\ + __gpio_set_pin(SPEN);\ + udelay(100);\ +} while (0) + +#define __spi_write_reg(reg, val) \ +do {\ + __spi_write_reg1((reg<<2|2), val);\ + udelay(100); \ +}while(0) + +#define __lcd_special_pin_init() \ +do { \ + __gpio_as_output(SPEN); /* use SPDA */\ + __gpio_as_output(SPCK); /* use SPCK */\ + __gpio_as_output(SPDA); /* use SPDA */\ + __gpio_as_output(LCD_RET);\ +} while (0) + +#define __lcd_special_on() \ +do { \ + __spi_write_reg1(0x05, 0x1e); \ + udelay(50);\ + __spi_write_reg1(0x05, 0x5d); \ + __spi_write_reg1(0x0B, 0x81); \ + __spi_write_reg1(0x01, 0x95); \ + __spi_write_reg1(0x00, 0x07); \ + __spi_write_reg1(0x06, 0x15); \ + __spi_write_reg1(0x07, 0x8d); \ + __spi_write_reg1(0x04, 0x0f); \ + __spi_write_reg1(0x0d, 0x3d); \ + __spi_write_reg1(0x10, 0x42); \ + __spi_write_reg1(0x11, 0x3a); \ + __spi_write_reg1(0x05, 0x5f); \ +} while (0) + +#define __lcd_special_off() \ +do { \ + __spi_write_reg1(0x05, 0x5e); \ +} while (0) + +#define __lcd_display_pin_init() \ +do { \ + __lcd_special_pin_init();\ + __gpio_as_pwm();\ + __lcd_set_backlight_level(8);\ +} while (0) + +#define __lcd_display_on() \ +do { \ + __lcd_set_backlight_level(8); \ + __lcd_special_on();\ +} while (0) + +#define __lcd_display_off() \ +do { \ + __lcd_set_backlight_level(0); \ + __lcd_special_off();\ +} while (0) + +#define __lcd_set_backlight_level(n)\ +do { \ + __gpio_as_output(LCD_RET); \ + __gpio_set_pin(LCD_RET); \ +} while (0) + +#if defined(CONFIG_SAKC) +#define __lcd_close_backlight() \ +do { \ + __gpio_as_output(GPIO_PWM); \ + __gpio_clear_pin(GPIO_PWM); \ +} while (0) +#endif + +#if defined(CONFIG_SAKC) +#define __lcd_display_pin_init() \ +do { \ + __cpm_start_tcu(); \ + __lcd_special_pin_init(); \ +} while (0) + +#define __lcd_display_on() \ +do { \ + __lcd_special_on(); \ +} while (0) + +#define __lcd_display_off() \ +do { \ + __lcd_special_off(); \ +} while (0) +#else +#define __lcd_display_pin_init() \ +do { \ + __cpm_start_tcu(); \ + __lcd_special_pin_init(); \ +} while (0) + +#define __lcd_display_on() \ +do { \ + __gpio_set_pin(GPIO_DISP_OFF_N); \ + __lcd_special_on(); \ +} while (0) + +#define __lcd_display_off() \ +do { \ + __lcd_special_off(); \ + __gpio_clear_pin(GPIO_DISP_OFF_N); \ +} while (0) +#endif + +#endif /* __QI_LB60_GPM940B0_H__ */ diff --git a/package/boot/uboot-xburst/files/cpu/mips/usb_boot.S b/package/boot/uboot-xburst/files/cpu/mips/usb_boot.S new file mode 100644 index 0000000..107b928 --- /dev/null +++ b/package/boot/uboot-xburst/files/cpu/mips/usb_boot.S @@ -0,0 +1,880 @@ +/* + * for jz4740 usb boot + * + * Copyright (c) 2009 Xiangfu Liu <xiangfu.z@gmail.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + .set noreorder + .globl usb_boot + .text + +//---------------------------------------------------------------------- +// Both NAND and USB boot load data to D-Cache first, then transfer +// data from D-Cache to I-Cache, and jump to execute the code in I-Cache. +// So init caches first and then dispatch to a proper boot routine. +//---------------------------------------------------------------------- + +.macro load_addr reg addr + li \reg, 0x80000000 + addiu \reg, \reg, \addr + la $2, usbboot_begin + subu \reg, \reg, $2 +.endm + +usb_boot: + //-------------------------------------------------------------- + // Initialize PLL: set ICLK to 84MHz and HCLK to 42MHz. + //-------------------------------------------------------------- + la $9, 0xB0000000 // CPCCR: Clock Control Register + la $8, 0x42041110 // I:S:M:P=1:2:2:2 + sw $8, 0($9) + + la $9, 0xB0000010 // CPPCR: PLL Control Register + la $8, 0x06000120 // M=12 N=0 D=0 CLK=12*(M+2)/(N+2) + sw $8, 0($9) + + mtc0 $0, $26 // CP0_ERRCTL, restore WST reset state + nop + + mtc0 $0, $16 // CP0_CONFIG + nop + + // Relocate code to beginning of the ram + + la $2, usbboot_begin + la $3, usbboot_end + li $4, 0x80000000 + +1: + lw $5, 0($2) + sw $5, 0($4) + addiu $2, $2, 4 + bne $2, $3, 1b + addiu $4, $4, 4 + + li $2, 0x80000000 + ori $3, $2, 0 + addiu $3, $3, usbboot_end + la $4, usbboot_begin + subu $3, $3, $4 + + +2: + cache 0x0, 0($2) // Index_Invalidate_I + cache 0x1, 0($2) // Index_Writeback_Inv_D + addiu $2, $2, 32 + subu $4, $3, $2 + bgtz $4, 2b + nop + + load_addr $3, usb_boot_return + + jr $3 + +usbboot_begin: + +init_caches: + li $2, 3 // cacheable for kseg0 access + mtc0 $2, $16 // CP0_CONFIG + nop + + li $2, 0x20000000 // enable idx-store-data cache insn + mtc0 $2, $26 // CP0_ERRCTL + + ori $2, $28, 0 // start address + ori $3, $2, 0x3fe0 // end address, total 16KB + mtc0 $0, $28, 0 // CP0_TAGLO + mtc0 $0, $28, 1 // CP0_DATALO +cache_clear_a_line: + cache 0x8, 0($2) // Index_Store_Tag_I + cache 0x9, 0($2) // Index_Store_Tag_D + bne $2, $3, cache_clear_a_line + addiu $2, $2, 32 // increment CACHE_LINE_SIZE + + ori $2, $28, 0 // start address + ori $3, $2, 0x3fe0 // end address, total 16KB + la $4, 0x1ffff000 // physical address and 4KB page mask +cache_alloc_a_line: + and $5, $2, $4 + ori $5, $5, 1 // V bit of the physical tag + mtc0 $5, $28, 0 // CP0_TAGLO + cache 0x8, 0($2) // Index_Store_Tag_I + cache 0x9, 0($2) // Index_Store_Tag_D + bne $2, $3, cache_alloc_a_line + addiu $2, $2, 32 // increment CACHE_LINE_SIZE + + nop + nop + nop + //-------------------------------------------------------------- + // Transfer data from dcache to icache, then jump to icache. + // + // Input parameters: + // + // $19: data length in bytes + // $20: jump target address + //-------------------------------------------------------------- +xfer_d2i: + + ori $8, $20, 0 + addu $9, $8, $19 // total 16KB + +1: + cache 0x0, 0($8) // Index_Invalidate_I + cache 0x1, 0($8) // Index_Writeback_Inv_D + bne $8, $9, 1b + addiu $8, $8, 32 + + // flush write-buffer + sync + + // Invalidate BTB + mfc0 $8, $16, 7 // CP0_CONFIG + nop + ori $8, 2 + mtc0 $8, $16, 7 + nop + + // Overwrite config to disable ram initalisation + li $2, 0xff + sb $2, 20($20) + + jalr $20 + nop + +icache_return: + //-------------------------------------------------------------- + // User code can return to here after executing itself in + // icache, by jumping to $31. + //-------------------------------------------------------------- + b usb_boot_return + nop + + +usb_boot_return: + //-------------------------------------------------------------- + // Enable the USB PHY + //-------------------------------------------------------------- + la $9, 0xB0000024 // CPM_SCR + lw $8, 0($9) + ori $8, 0x40 // USBPHY_ENABLE + sw $8, 0($9) + + //-------------------------------------------------------------- + // Initialize USB registers + //-------------------------------------------------------------- + la $27, 0xb3040000 // USB registers base address + + sb $0, 0x0b($27) // INTRUSBE: disable common USB interrupts + sh $0, 0x06($27) // INTRINE: disable EPIN interrutps + sh $0, 0x08($27) // INTROUTE: disable EPOUT interrutps + + li $9, 0x61 + sb $9, 0x01($27) // POWER: HSENAB | SUSPENDM | SOFTCONN + + //-------------------------------------------------------------- + // Initialize USB states + //-------------------------------------------------------------- + li $22, 0 // set EP0 to IDLE state + li $23, 1 // no data stage + + //-------------------------------------------------------------- + // Main loop of polling the usb commands + //-------------------------------------------------------------- +usb_command_loop: + lbu $9, 0x0a($27) // read INTRUSB + andi $9, 0x04 // check USB_INTR_RESET + beqz $9, check_intr_ep0in + nop + + //-------------------------------------------------------------- + // 1. Handle USB reset interrupt + //-------------------------------------------------------------- +handle_reset_intr: + lbu $9, 0x01($27) // read POWER + andi $9, 0x10 // test HS_MODE + bnez $9, _usb_set_maxpktsize + li $9, 512 // max packet size of HS mode + li $9, 64 // max packet size of FS mode + +_usb_set_maxpktsize: + li $8, 1 + sb $8, 0x0e($27) // set INDEX 1 + + sh $9, 0x10($27) // INMAXP + sb $0, 0x13($27) // INCSRH + sh $9, 0x14($27) // OUTMAXP + sb $0, 0x17($27) // OUTCSRH + +_usb_flush_fifo: + li $8, 0x48 // INCSR_CDT && INCSR_FF + sb $8, 0x12($27) // INCSR + li $8, 0x90 // OUTCSR_CDT && OUTCSR_FF + sb $8, 0x16($27) // OUTCSR + + li $22, 0 // set EP0 to IDLE state + li $23, 1 // no data stage + + //-------------------------------------------------------------- + // 2. Check and handle EP0 interrupt + //-------------------------------------------------------------- +check_intr_ep0in: + lhu $10, 0x02($27) // read INTRIN + andi $9, $10, 0x1 // check EP0 interrupt + beqz $9, check_intr_ep1in + nop + +handle_ep0_intr: + sb $0, 0x0e($27) // set INDEX 0 + lbu $11, 0x12($27) // read CSR0 + + andi $9, $11, 0x04 // check SENTSTALL + beqz $9, _ep0_setupend + nop + +_ep0_sentstall: + andi $9, $11, 0xdb + sb $9, 0x12($27) // clear SENDSTALL and SENTSTALL + li $22, 0 // set EP0 to IDLE state + +_ep0_setupend: + andi $9, $11, 0x10 // check SETUPEND + beqz $9, ep0_idle_state + nop + + ori $9, $11, 0x80 + sb $9, 0x12($27) // set SVDSETUPEND + li $22, 0 // set EP0 to IDLE state + +ep0_idle_state: + bnez $22, ep0_tx_state + nop + + //-------------------------------------------------------------- + // 2.1 Handle EP0 IDLE state interrupt + //-------------------------------------------------------------- + andi $9, $11, 0x01 // check OUTPKTRDY + beqz $9, check_intr_ep1in + nop + + //-------------------------------------------------------------- + // Read 8-bytes setup packet from the FIFO + //-------------------------------------------------------------- + lw $25, 0x20($27) // first word of setup packet + lw $26, 0x20($27) // second word of setup packet + + andi $9, $25, 0x60 // bRequestType & USB_TYPE_MASK + beqz $9, _ep0_std_req + nop + + //-------------------------------------------------------------- + // 2.1.1 Vendor-specific setup request + //-------------------------------------------------------------- +_ep0_vend_req: + li $22, 0 // set EP0 to IDLE state + li $23, 1 // NoData = 1 + + andi $9, $25, 0xff00 // check bRequest + srl $9, $9, 8 + beqz $9, __ep0_get_cpu_info + sub $8, $9, 0x1 + beqz $8, __ep0_set_data_address + sub $8, $9, 0x2 + beqz $8, __ep0_set_data_length + sub $8, $9, 0x3 + beqz $8, __ep0_flush_caches + sub $8, $9, 0x4 + beqz $8, __ep0_prog_start1 + sub $8, $9, 0x5 + beqz $8, __ep0_prog_start2 + nop + b _ep0_idle_state_fini // invalid request + nop + +__ep0_get_cpu_info: + load_addr $20, cpu_info_data // data pointer to transfer + li $21, 8 // bytes left to transfer + li $22, 1 // set EP0 to TX state + li $23, 0 // NoData = 0 + + b _ep0_idle_state_fini + nop + +__ep0_set_data_address: + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $20, $9, $8 // data address of next transfer + + b _ep0_idle_state_fini + nop + +__ep0_set_data_length: + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $21, $9, $8 // data length of next transfer + + li $9, 0x48 // SVDOUTPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + + // We must write packet to FIFO before EP1-IN interrupt here. + b handle_epin1_intr + nop + +__ep0_flush_caches: + // Flush dcache and invalidate icache. + li $8, 0x80000000 + addi $9, $8, 0x3fe0 // total 16KB + +1: + cache 0x0, 0($8) // Index_Invalidate_I + cache 0x1, 0($8) // Index_Writeback_Inv_D + bne $8, $9, 1b + addiu $8, $8, 32 + + // flush write-buffer + sync + + // Invalidate BTB + mfc0 $8, $16, 7 // CP0_CONFIG + nop + ori $8, 2 + mtc0 $8, $16, 7 + nop + + b _ep0_idle_state_fini + nop + +__ep0_prog_start1: + li $9, 0x48 // SVDOUTPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $20, $9, $8 // target address + + b xfer_d2i + li $19, 0x2000 // 16KB data length + +__ep0_prog_start2: + li $9, 0x48 // SVDOUTPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $20, $9, $8 // target address + + jalr $20 // jump, and place the return address in $31 + nop + +__ep0_prog_start2_return: + // User code can return to here after executing itself, by jumping to $31. + b usb_boot_return + nop + + //-------------------------------------------------------------- + // 2.1.2 Standard setup request + //-------------------------------------------------------------- +_ep0_std_req: + andi $12, $25, 0xff00 // check bRequest + srl $12, $12, 8 + sub $9, $12, 0x05 // check USB_REQ_SET_ADDRESS + bnez $9, __ep0_req_set_config + nop + + //-------------------------------------------------------------- + // Handle USB_REQ_SET_ADDRESS + //-------------------------------------------------------------- +__ep0_req_set_addr: + srl $9, $25, 16 // get wValue + sb $9, 0x0($27) // set FADDR + li $23, 1 // NoData = 1 + b _ep0_idle_state_fini + nop + +__ep0_req_set_config: + sub $9, $12, 0x09 // check USB_REQ_SET_CONFIGURATION + bnez $9, __ep0_req_get_desc + nop + + //-------------------------------------------------------------- + // Handle USB_REQ_SET_CONFIGURATION + //-------------------------------------------------------------- + li $23, 1 // NoData = 1 + b _ep0_idle_state_fini + nop + +__ep0_req_get_desc: + sub $9, $12, 0x06 // check USB_REQ_GET_DESCRIPTOR + bnez $9, _ep0_idle_state_fini + li $23, 1 // NoData = 1 + + //-------------------------------------------------------------- + // Handle USB_REQ_GET_DESCRIPTOR + //-------------------------------------------------------------- + li $23, 0 // NoData = 0 + + srl $9, $25, 24 // wValue >> 8 + sub $8, $9, 0x01 // check USB_DT_DEVICE + beqz $8, ___ep0_get_dev_desc + srl $21, $26, 16 // get wLength + sub $8, $9, 0x02 // check USB_DT_CONFIG + beqz $8, ___ep0_get_conf_desc + sub $8, $9, 0x03 // check USB_DT_STRING + beqz $8, ___ep0_get_string_desc + sub $8, $9, 0x06 // check USB_DT_DEVICE_QUALIFIER + beqz $8, ___ep0_get_dev_qualifier + nop + b _ep0_idle_state_fini + nop + +___ep0_get_dev_desc: + load_addr $20, device_desc // data pointer + li $22, 1 // set EP0 to TX state + sub $8, $21, 18 + blez $8, _ep0_idle_state_fini // wLength <= 18 + nop + li $21, 18 // max length of device_desc + b _ep0_idle_state_fini + nop + +___ep0_get_dev_qualifier: + load_addr $20, dev_qualifier // data pointer + li $22, 1 // set EP0 to TX state + sub $8, $21, 10 + blez $8, _ep0_idle_state_fini // wLength <= 10 + nop + li $21, 10 // max length of dev_qualifier + b _ep0_idle_state_fini + nop + +___ep0_get_conf_desc: + load_addr $20, config_desc_fs // data pointer of FS mode + lbu $8, 0x01($27) // read POWER + andi $8, 0x10 // test HS_MODE + beqz $8, ___ep0_get_conf_desc2 + nop + load_addr $20, config_desc_hs // data pointer of HS mode + +___ep0_get_conf_desc2: + li $22, 1 // set EP0 to TX state + sub $8, $21, 32 + blez $8, _ep0_idle_state_fini // wLength <= 32 + nop + li $21, 32 // max length of config_desc + b _ep0_idle_state_fini + nop + +___ep0_get_string_desc: + li $22, 1 // set EP0 to TX state + + srl $9, $25, 16 // wValue & 0xff + andi $9, 0xff + + sub $8, $9, 1 + beqz $8, ___ep0_get_string_manufacture + sub $8, $9, 2 + beqz $8, ___ep0_get_string_product + nop + +___ep0_get_string_lang_ids: + load_addr $20, string_lang_ids // data pointer + b _ep0_idle_state_fini + li $21, 4 // data length + +___ep0_get_string_manufacture: + load_addr $20, string_manufacture // data pointer + b _ep0_idle_state_fini + li $21, 16 // data length + +___ep0_get_string_product: + load_addr $20, string_product // data pointer + b _ep0_idle_state_fini + li $21, 46 // data length + +_ep0_idle_state_fini: + li $9, 0x40 // SVDOUTPKTRDY + beqz $23, _ep0_idle_state_fini2 + nop + ori $9, $9, 0x08 // DATAEND +_ep0_idle_state_fini2: + sb $9, 0x12($27) // CSR0 + beqz $22, check_intr_ep1in + nop + + //-------------------------------------------------------------- + // 2.2 Handle EP0 TX state interrupt + //-------------------------------------------------------------- +ep0_tx_state: + sub $9, $22, 1 + bnez $9, check_intr_ep1in + nop + + sub $9, $21, 64 // max packetsize + blez $9, _ep0_tx_state2 // data count <= 64 + ori $19, $21, 0 + li $19, 64 + +_ep0_tx_state2: + beqz $19, _ep0_tx_state3 // send ZLP + ori $18, $19, 0 // record bytes to be transferred + sub $21, $21, $19 // decrement data count + +_ep0_fifo_write_loop: + lbu $9, 0($20) // read data + sb $9, 0x20($27) // load FIFO + sub $19, $19, 1 // decrement counter + bnez $19, _ep0_fifo_write_loop + addi $20, $20, 1 // increment data pointer + + sub $9, $18, 64 // max packetsize + beqz $9, _ep0_tx_state4 + nop + +_ep0_tx_state3: + // transferred bytes < max packetsize + li $9, 0x0a // set INPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + li $22, 0 // set EP0 to IDLE state + b check_intr_ep1in + nop + +_ep0_tx_state4: + // transferred bytes == max packetsize + li $9, 0x02 // set INPKTRDY + sb $9, 0x12($27) // CSR0 + b check_intr_ep1in + nop + + //-------------------------------------------------------------- + // 3. Check and handle EP1 BULK-IN interrupt + //-------------------------------------------------------------- +check_intr_ep1in: + andi $9, $10, 0x2 // check EP1 IN interrupt + beqz $9, check_intr_ep1out + nop + +handle_epin1_intr: + li $9, 1 + sb $9, 0x0e($27) // set INDEX 1 + lbu $9, 0x12($27) // read INCSR + + andi $8, $9, 0x2 // check INCSR_FFNOTEMPT + bnez $8, _epin1_tx_state4 + nop + +_epin1_write_fifo: + lhu $9, 0x10($27) // get INMAXP + sub $8, $21, $9 + blez $8, _epin1_tx_state1 // bytes left <= INMAXP + ori $19, $21, 0 + ori $19, $9, 0 + +_epin1_tx_state1: + beqz $19, _epin1_tx_state4 // No data + nop + + sub $21, $21, $19 // decrement data count + + srl $5, $19, 2 // # of word + andi $6, $19, 0x3 // # of byte + beqz $5, _epin1_tx_state2 + nop + +_epin1_fifo_write_word: + lw $9, 0($20) // read data from source address + sw $9, 0x24($27) // write FIFO + sub $5, $5, 1 // decrement counter + bnez $5, _epin1_fifo_write_word + addiu $20, $20, 4 // increment dest address + +_epin1_tx_state2: + beqz $6, _epin1_tx_state3 + nop + +_epin1_fifo_write_byte: + lbu $9, 0($20) // read data from source address + sb $9, 0x24($27) // write FIFO + sub $6, $6, 1 // decrement counter + bnez $6, _epin1_fifo_write_byte + addiu $20, $20, 1 // increment dest address + +_epin1_tx_state3: + li $9, 0x1 + sb $9, 0x12($27) // INCSR, set INPKTRDY + +_epin1_tx_state4: + // nop + + //-------------------------------------------------------------- + // 4. Check and handle EP1 BULK-OUT interrupt + //-------------------------------------------------------------- +check_intr_ep1out: + lhu $9, 0x04($27) // read INTROUT + andi $9, 0x2 + beqz $9, check_status_next + nop + +handle_epout1_intr: + li $9, 1 + sb $9, 0x0e($27) // set INDEX 1 + + lbu $9, 0x16($27) // read OUTCSR + andi $9, 0x1 // check OUTPKTRDY + beqz $9, check_status_next + nop + +_epout1_read_fifo: + lhu $19, 0x18($27) // read OUTCOUNT + srl $5, $19, 2 // # of word + andi $6, $19, 0x3 // # of byte + beqz $5, _epout1_rx_state1 + nop + +_epout1_fifo_read_word: + lw $9, 0x24($27) // read FIFO + sw $9, 0($20) // store to dest address + sub $5, $5, 1 // decrement counter + bnez $5, _epout1_fifo_read_word + addiu $20, $20, 4 // increment dest address + +_epout1_rx_state1: + beqz $6, _epout1_rx_state2 + nop + +_epout1_fifo_read_byte: + lbu $9, 0x24($27) // read FIFO + sb $9, 0($20) // store to dest address + sub $6, $6, 1 // decrement counter + bnez $6, _epout1_fifo_read_byte + addiu $20, $20, 1 // increment dest address + +_epout1_rx_state2: + sb $0, 0x16($27) // clear OUTPKTRDY + +check_status_next: + b usb_command_loop + nop + +//-------------------------------------------------------------- +// Device/Configuration/Interface/Endpoint/String Descriptors +//-------------------------------------------------------------- + + .align 2 +device_desc: + .byte 0x12 // bLength + .byte 0x01 // bDescriptorType + .byte 0x00 // bcdUSB + .byte 0x02 // bcdUSB + .byte 0x00 // bDeviceClass + .byte 0x00 // bDeviceSubClass + .byte 0x00 // bDeviceProtocol + .byte 0x40 // bMaxPacketSize0 + .byte 0x1a // idVendor + .byte 0x60 // idVendor + .byte 0x40 // idProduct + .byte 0x47 // idProduct + .byte 0x00 // bcdDevice + .byte 0x01 // bcdDevice + .byte 0x01 // iManufacturer + .byte 0x02 // iProduct + .byte 0x00 // iSerialNumber + .byte 0x01 // bNumConfigurations + + .align 2 +dev_qualifier: + .byte 0x0a // bLength + .byte 0x06 // bDescriptorType + .byte 0x00 // bcdUSB + .byte 0x02 // bcdUSB + .byte 0x00 // bDeviceClass + .byte 0x00 // bDeviceSubClass + .byte 0x00 // bDeviceProtocol + .byte 0x40 // bMaxPacketSize0 + .byte 0x01 // bNumConfigurations + .byte 0x00 // bRESERVED + + .align 2 +config_desc_hs: + .byte 0x09 // bLength + .byte 0x02 // bDescriptorType + .byte 0x20 // wTotalLength + .byte 0x00 // wTotalLength + .byte 0x01 // bNumInterfaces + .byte 0x01 // bConfigurationValue + .byte 0x00 // iConfiguration + .byte 0xc0 // bmAttributes + .byte 0x01 // MaxPower +intf_desc_hs: + .byte 0x09 // bLength + .byte 0x04 // bDescriptorType + .byte 0x00 // bInterfaceNumber + .byte 0x00 // bAlternateSetting + .byte 0x02 // bNumEndpoints + .byte 0xff // bInterfaceClass + .byte 0x00 // bInterfaceSubClass + .byte 0x50 // bInterfaceProtocol + .byte 0x00 // iInterface +ep1_desc_hs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x01 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x00 // wMaxPacketSize + .byte 0x02 // wMaxPacketSize + .byte 0x00 // bInterval +ep2_desc_hs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x81 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x00 // wMaxPacketSize + .byte 0x02 // wMaxPacketSize + .byte 0x00 // bInterval + + .align 2 +config_desc_fs: + .byte 0x09 // bLength + .byte 0x02 // bDescriptorType + .byte 0x20 // wTotalLength + .byte 0x00 // wTotalLength + .byte 0x01 // bNumInterfaces + .byte 0x01 // bConfigurationValue + .byte 0x00 // iConfiguration + .byte 0xc0 // bmAttributes + .byte 0x01 // MaxPower +intf_desc_fs: + .byte 0x09 // bLength + .byte 0x04 // bDescriptorType + .byte 0x00 // bInterfaceNumber + .byte 0x00 // bAlternateSetting + .byte 0x02 // bNumEndpoints + .byte 0xff // bInterfaceClass + .byte 0x00 // bInterfaceSubClass + .byte 0x50 // bInterfaceProtocol + .byte 0x00 // iInterface +ep1_desc_fs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x01 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x40 // wMaxPacketSize + .byte 0x00 // wMaxPacketSize + .byte 0x00 // bInterval +ep2_desc_fs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x81 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x40 // wMaxPacketSize + .byte 0x00 // wMaxPacketSize + .byte 0x00 // bInterval + + .align 2 +string_lang_ids: + .byte 0x04 + .byte 0x03 + .byte 0x09 + .byte 0x04 + + .align 2 +string_manufacture: + .byte 0x10 + .byte 0x03 + .byte 0x49 + .byte 0x00 + .byte 0x6e + .byte 0x00 + .byte 0x67 + .byte 0x00 + .byte 0x65 + .byte 0x00 + .byte 0x6e + .byte 0x00 + .byte 0x69 + .byte 0x00 + .byte 0x63 + .byte 0x00 + + .align 2 +string_product: + .byte 0x2e + .byte 0x03 + .byte 0x4a + .byte 0x00 + .byte 0x5a + .byte 0x00 + .byte 0x34 + .byte 0x00 + .byte 0x37 + .byte 0x00 + .byte 0x34 + .byte 0x00 + .byte 0x30 + .byte 0x00 + .byte 0x20 + .byte 0x00 + .byte 0x55 + .byte 0x00 + .byte 0x53 + .byte 0x00 + .byte 0x42 + .byte 0x00 + .byte 0x20 + .byte 0x00 + .byte 0x42 + .byte 0x00 + .byte 0x6f + .byte 0x00 + .byte 0x6f + .byte 0x00 + .byte 0x74 + .byte 0x00 + .byte 0x20 + .byte 0x00 + .byte 0x44 + .byte 0x00 + .byte 0x65 + .byte 0x00 + .byte 0x76 + .byte 0x00 + .byte 0x69 + .byte 0x00 + .byte 0x63 + .byte 0x00 + .byte 0x65 + .byte 0x00 + + .align 2 +cpu_info_data: + .byte 0x4a + .byte 0x5a + .byte 0x34 + .byte 0x37 + .byte 0x34 + .byte 0x30 + .byte 0x56 + .byte 0x31 +usbboot_end: + + .set reorder |