diff options
Diffstat (limited to 'package/uboot-lantiq/files/drivers')
| -rw-r--r-- | package/uboot-lantiq/files/drivers/net/ifx_etop.c | 401 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/drivers/net/ifx_etop.h | 91 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/drivers/serial/ifx_asc.c | 218 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/drivers/serial/ifx_asc.h | 199 |
4 files changed, 0 insertions, 909 deletions
diff --git a/package/uboot-lantiq/files/drivers/net/ifx_etop.c b/package/uboot-lantiq/files/drivers/net/ifx_etop.c deleted file mode 100644 index 8a03683..0000000 --- a/package/uboot-lantiq/files/drivers/net/ifx_etop.c +++ /dev/null @@ -1,401 +0,0 @@ -/* - * Lantiq CPE device ethernet driver. - * Supposed to work on Twinpass/Danube. - * - * Based on INCA-IP driver: - * (C) Copyright 2003-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2010 - * Thomas Langer, Ralph Hempel - * - * 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 <common.h> - -#include <malloc.h> -#include <net.h> -#include <miiphy.h> -#include <asm/types.h> -#include <asm/io.h> -#include <asm/addrspace.h> -#include <config.h> - -#include "ifx_etop.h" - -#if defined(CONFIG_AR9) -#define TX_CHAN_NO 1 -#define RX_CHAN_NO 0 -#else -#define TX_CHAN_NO 7 -#define RX_CHAN_NO 6 -#endif - -#define NUM_RX_DESC PKTBUFSRX -#define NUM_TX_DESC 8 -#define TOUT_LOOP 100 - -typedef struct -{ - union - { - struct - { - volatile u32 OWN :1; - volatile u32 C :1; - volatile u32 Sop :1; - volatile u32 Eop :1; - volatile u32 reserved :3; - volatile u32 Byteoffset :2; - volatile u32 reserve :7; - volatile u32 DataLen :16; - }field; - - volatile u32 word; - }status; - - volatile u32 DataPtr; -} dma_rx_descriptor_t; - -typedef struct -{ - union - { - struct - { - volatile u32 OWN :1; - volatile u32 C :1; - volatile u32 Sop :1; - volatile u32 Eop :1; - volatile u32 Byteoffset :5; - volatile u32 reserved :7; - volatile u32 DataLen :16; - }field; - - volatile u32 word; - }status; - - volatile u32 DataPtr; -} dma_tx_descriptor_t; - -static volatile dma_rx_descriptor_t rx_des_ring[NUM_RX_DESC] __attribute__ ((aligned(8))); -static volatile dma_tx_descriptor_t tx_des_ring[NUM_TX_DESC] __attribute__ ((aligned(8))); -static int tx_num, rx_num; - -static volatile IfxDMA_t *pDma = (IfxDMA_t *)CKSEG1ADDR(DANUBE_DMA_BASE); - -static int lq_eth_init(struct eth_device *dev, bd_t * bis); -static int lq_eth_send(struct eth_device *dev, volatile void *packet,int length); -static int lq_eth_recv(struct eth_device *dev); -static void lq_eth_halt(struct eth_device *dev); -static void lq_eth_init_chip(void); -static void lq_eth_init_dma(void); - -static int lq_eth_miiphy_read(char *devname, u8 phyAddr, u8 regAddr, u16 * retVal) -{ - u32 timeout = 50000; - u32 phy, reg; - - if ((phyAddr > 0x1F) || (regAddr > 0x1F) || (retVal == NULL)) - return -1; - - phy = (phyAddr & 0x1F) << 21; - reg = (regAddr & 0x1F) << 16; - - *ETOP_MDIO_ACC = 0xC0000000 | phy | reg; - while ((timeout--) && (*ETOP_MDIO_ACC & 0x80000000)) - udelay(10); - - if (timeout==0) { - *retVal = 0; - return -1; - } - *retVal = *ETOP_MDIO_ACC & 0xFFFF; - return 0; -} - -static int lq_eth_miiphy_write(char *devname, u8 phyAddr, u8 regAddr, u16 data) -{ - u32 timeout = 50000; - u32 phy, reg; - - if ((phyAddr > 0x1F) || (regAddr > 0x1F)) - return -1; - - phy = (phyAddr & 0x1F) << 21; - reg = (regAddr & 0x1F) << 16; - - *ETOP_MDIO_ACC = 0x80000000 | phy | reg | data; - while ((timeout--) && (*ETOP_MDIO_ACC & 0x80000000)) - udelay(10); - - if (timeout==0) - return -1; - return 0; -} - - -int lq_eth_initialize(bd_t * bis) -{ - struct eth_device *dev; - - debug("Entered lq_eth_initialize()\n"); - - if (!(dev = malloc (sizeof *dev))) { - printf("Failed to allocate memory\n"); - return -1; - } - memset(dev, 0, sizeof(*dev)); - - sprintf(dev->name, "lq_cpe_eth"); - dev->init = lq_eth_init; - dev->halt = lq_eth_halt; - dev->send = lq_eth_send; - dev->recv = lq_eth_recv; - - eth_register(dev); - -#if defined (CONFIG_MII) || defined(CONFIG_CMD_MII) - /* register mii command access routines */ - miiphy_register(dev->name, - lq_eth_miiphy_read, lq_eth_miiphy_write); -#endif - - lq_eth_init_dma(); - lq_eth_init_chip(); - - return 0; -} - -static int lq_eth_init(struct eth_device *dev, bd_t * bis) -{ - int i; - uchar *enetaddr = dev->enetaddr; - - debug("lq_eth_init %x:%x:%x:%x:%x:%x\n", - enetaddr[0], enetaddr[1], enetaddr[2], enetaddr[3], enetaddr[4], enetaddr[5]); - - *ENET_MAC_DA0 = (enetaddr[0]<<24) + (enetaddr[1]<<16) + (enetaddr[2]<< 8) + enetaddr[3]; - *ENET_MAC_DA1 = (enetaddr[4]<<24) + (enetaddr[5]<<16); - *ENETS_CFG |= 1<<28; /* enable filter for unicast packets */ - - tx_num=0; - rx_num=0; - - for(i=0;i < NUM_RX_DESC; i++) { - dma_rx_descriptor_t * rx_desc = (dma_rx_descriptor_t *)CKSEG1ADDR(&rx_des_ring[i]); - rx_desc->status.word=0; - rx_desc->status.field.OWN=1; - rx_desc->status.field.DataLen=PKTSIZE_ALIGN; /* 1536 */ - rx_desc->DataPtr=(u32)CKSEG1ADDR(NetRxPackets[i]); - NetRxPackets[i][0] = 0xAA; - } - - /* Reset DMA */ - dma_writel(dma_cs, RX_CHAN_NO); - dma_writel(dma_cctrl, 0x2);/*fix me, need to reset this channel first?*/ - dma_writel(dma_cpoll, 0x80000040); - /*set descriptor base*/ - dma_writel(dma_cdba, (u32)rx_des_ring); - dma_writel(dma_cdlen, NUM_RX_DESC); - dma_writel(dma_cie, 0); - dma_writel(dma_cctrl, 0x30000); - - for(i=0;i < NUM_TX_DESC; i++) { - dma_tx_descriptor_t * tx_desc = (dma_tx_descriptor_t *)CKSEG1ADDR(&tx_des_ring[i]); - memset(tx_desc, 0, sizeof(tx_des_ring[0])); - } - - dma_writel(dma_cs, TX_CHAN_NO); - dma_writel(dma_cctrl, 0x2);/*fix me, need to reset this channel first?*/ - dma_writel(dma_cpoll, 0x80000040); - dma_writel(dma_cdba, (u32)tx_des_ring); - dma_writel(dma_cdlen, NUM_TX_DESC); - dma_writel(dma_cie, 0); - dma_writel(dma_cctrl, 0x30100); - - /* turn on DMA rx & tx channel - */ - dma_writel(dma_cs, RX_CHAN_NO); - dma_writel(dma_cctrl, dma_readl(dma_cctrl) | 1); /*reset and turn on the channel*/ - - return 0; -} - -static void lq_eth_halt(struct eth_device *dev) -{ - int i; - - debug("lq_eth_halt()\n"); - - for(i=0;i<8;i++) { - dma_writel(dma_cs, i); - dma_writel(dma_cctrl, dma_readl(dma_cctrl) & ~1);/*stop the dma channel*/ - } -} - -#ifdef DEBUG -static void lq_dump(const u8 *data, const u32 length) -{ - u32 i; - debug("\n"); - for(i=0;i<length;i++) { - debug("%02x ", data[i]); - } - debug("\n"); -} -#endif - -static int lq_eth_send(struct eth_device *dev, volatile void *packet, int length) -{ - int i; - int res = -1; - volatile dma_tx_descriptor_t * tx_desc = (dma_tx_descriptor_t *)CKSEG1ADDR(&tx_des_ring[tx_num]); - - if (length <= 0) { - printf ("%s: bad packet size: %d\n", dev->name, length); - goto Done; - } - - for(i=0; tx_desc->status.field.OWN==1; i++) { - if (i>=TOUT_LOOP) { - printf("NO Tx Descriptor..."); - goto Done; - } - } - - tx_desc->status.field.Sop=1; - tx_desc->status.field.Eop=1; - tx_desc->status.field.C=0; - tx_desc->DataPtr = (u32)CKSEG1ADDR(packet); - if (length<60) - tx_desc->status.field.DataLen = 60; - else - tx_desc->status.field.DataLen = (u32)length; - - flush_cache((u32)packet, tx_desc->status.field.DataLen); - asm("SYNC"); - tx_desc->status.field.OWN=1; - - res=length; - tx_num++; - if (tx_num==NUM_TX_DESC) tx_num=0; - -#ifdef DEBUG - lq_dump(tx_desc->DataPtr, tx_desc->status.field.DataLen); -#endif - - dma_writel(dma_cs, TX_CHAN_NO); - if (!(dma_readl(dma_cctrl) & 1)) { - dma_writel(dma_cctrl, dma_readl(dma_cctrl) | 1); - } - -Done: - return res; -} - -static int lq_eth_recv(struct eth_device *dev) -{ - int length = 0; - volatile dma_rx_descriptor_t * rx_desc; - - rx_desc = (dma_rx_descriptor_t *)CKSEG1ADDR(&rx_des_ring[rx_num]); - - if ((rx_desc->status.field.C == 0) || (rx_desc->status.field.OWN == 1)) { - return 0; - } - debug("rx"); -#ifdef DEBUG - lq_dump(rx_desc->DataPtr, rx_desc->status.field.DataLen); -#endif - length = rx_desc->status.field.DataLen; - if (length > 4) { - invalidate_dcache_range((u32)CKSEG0ADDR(rx_desc->DataPtr), (u32) CKSEG0ADDR(rx_desc->DataPtr) + length); - NetReceive(NetRxPackets[rx_num], length); - } else { - printf("ERROR: Invalid rx packet length.\n"); - } - - rx_desc->status.field.Sop=0; - rx_desc->status.field.Eop=0; - rx_desc->status.field.C=0; - rx_desc->status.field.DataLen=PKTSIZE_ALIGN; - rx_desc->status.field.OWN=1; - - rx_num++; - if (rx_num == NUM_RX_DESC) - rx_num=0; - - return length; -} - -static void lq_eth_init_chip(void) -{ - *ETOP_MDIO_CFG &= ~0x6; - *ENET_MAC_CFG = 0x187; - - // turn on port0, set to rmii and turn off port1. -#ifdef CONFIG_RMII - *ETOP_CFG = (*ETOP_CFG & 0xFFFFFFFC) | 0x0000000A; -#else - *ETOP_CFG = (*ETOP_CFG & 0xFFFFFFFC) | 0x00000008; -#endif - - *ETOP_IG_PLEN_CTRL = 0x004005EE; // set packetlen. - *ENET_MAC_CFG |= 1<<11; /*enable the crc*/ - return; -} - -static void lq_eth_init_dma(void) -{ - /* Reset DMA */ - dma_writel(dma_ctrl, dma_readl(dma_ctrl) | 1); - dma_writel(dma_irnen, 0);/*disable all the interrupts first*/ - - /* Clear Interrupt Status Register */ - dma_writel(dma_irncr, 0xfffff); - /*disable all the dma interrupts*/ - dma_writel(dma_irnen, 0); - /*disable channel 0 and channel 1 interrupts*/ - - dma_writel(dma_cs, RX_CHAN_NO); - dma_writel(dma_cctrl, 0x2);/*fix me, need to reset this channel first?*/ - dma_writel(dma_cpoll, 0x80000040); - /*set descriptor base*/ - dma_writel(dma_cdba, (u32)rx_des_ring); - dma_writel(dma_cdlen, NUM_RX_DESC); - dma_writel(dma_cie, 0); - dma_writel(dma_cctrl, 0x30000); - - dma_writel(dma_cs, TX_CHAN_NO); - dma_writel(dma_cctrl, 0x2);/*fix me, need to reset this channel first?*/ - dma_writel(dma_cpoll, 0x80000040); - dma_writel(dma_cdba, (u32)tx_des_ring); - dma_writel(dma_cdlen, NUM_TX_DESC); - dma_writel(dma_cie, 0); - dma_writel(dma_cctrl, 0x30100); - /*enable the poll function and set the poll counter*/ - //dma_writel(DMA_CPOLL=DANUBE_DMA_POLL_EN | (DANUBE_DMA_POLL_COUNT<<4); - /*set port properties, enable endian conversion for switch*/ - dma_writel(dma_ps, 0); - dma_writel(dma_pctrl, dma_readl(dma_pctrl) | (0xf<<8));/*enable 32 bit endian conversion*/ - - return; -} diff --git a/package/uboot-lantiq/files/drivers/net/ifx_etop.h b/package/uboot-lantiq/files/drivers/net/ifx_etop.h deleted file mode 100644 index 9970868..0000000 --- a/package/uboot-lantiq/files/drivers/net/ifx_etop.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Lantiq switch ethernet driver for Danube family. - * - * Based on INCA-IP driver: - * (C) Copyright 2003-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 __DRIVERS_IFX_SW_H__ -#define __DRIVERS_IFX_SW_H__ - -#define DANUBE_PPE32_BASE 0xBE180000 -#define DANUBE_PPE32_DATA_MEM_MAP_REG_BASE (DANUBE_PPE32_BASE + (0x4000 * 4)) - -#define ETOP_MDIO_CFG ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0600 * 4))) -#define ETOP_MDIO_ACC ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0601 * 4))) -#define ETOP_CFG ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0602 * 4))) -#define ETOP_IG_VLAN_COS ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0603 * 4))) -#define ETOP_IG_DSCP_COS3 ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0604 * 4))) -#define ETOP_IG_DSCP_COS2 ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0605 * 4))) -#define ETOP_IG_DSCP_COS1 ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0606 * 4))) -#define ETOP_IG_DSCP_COS0 ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0607 * 4))) -#define ETOP_IG_PLEN_CTRL ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0608 * 4))) -#define ETOP_ISR ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060A * 4))) -#define ETOP_IER ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060B * 4))) -#define ETOP_VPID ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060C * 4))) -#define ENET_MAC_CFG ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0610 * 4))) -#define ENETS_DBA ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0612 * 4))) -#define ENETS_CBA ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0613 * 4))) -#define ENETS_CFG ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0614 * 4))) -#define ENETS_PGCNT ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0615 * 4))) -#define ENETS_PKTCNT ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0616 * 4))) -#define ENETS_BUF_CTRL ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0617 * 4))) -#define ENETS_COS_CFG ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0618 * 4))) -#define ENETS_IGDROP ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0619 * 4))) -#define ENETS_IGERR ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x061A * 4))) -#define ENET_MAC_DA0 ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x061B * 4))) -#define ENET_MAC_DA1 ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x061C * 4))) - - - -#define DANUBE_DMA_BASE 0xBE104100 - -typedef struct IfxDMA_s -{ - unsigned long dma_clc; /*0x0000*/ - unsigned long dma_rsvd1[1]; /* for mapping */ /*0x0004*/ - unsigned long dma_id; /*0x0008*/ - unsigned long dma_rsvd2[1]; /* for mapping */ /*0x000C*/ - unsigned long dma_ctrl; /*0x0010*/ - unsigned long dma_cpoll; /*0x0014*/ - unsigned long dma_cs; /*0x0018*/ - unsigned long dma_cctrl; /*0x001C*/ - unsigned long dma_cdba; /*0x0020*/ - unsigned long dma_cdlen; /*0x0024*/ - unsigned long dma_cis; /*0x0028*/ - unsigned long dma_cie; /*0x002C*/ - unsigned long dma_rsvd3[4]; /* for mapping */ /*0x0030*/ - unsigned long dma_ps; /*0x0040*/ - unsigned long dma_pctrl; /*0x0044*/ - unsigned long dma_rsvd4[43]; /* for mapping */ /*0x0048*/ - unsigned long dma_irnen; /*0x00F4*/ - unsigned long dma_irncr; /*0x00F8*/ - unsigned long dma_irnicr; /*0x00FC*/ -} IfxDMA_t; - -/* Register access macros */ -#define dma_readl(reg) \ - readl(&pDma->reg) -#define dma_writel(reg,value) \ - writel((value), &pDma->reg) - -int lq_eth_initialize(bd_t * bis); - -#endif /* __DRIVERS_IFX_SW_H__ */ diff --git a/package/uboot-lantiq/files/drivers/serial/ifx_asc.c b/package/uboot-lantiq/files/drivers/serial/ifx_asc.c deleted file mode 100644 index 5c13f26..0000000 --- a/package/uboot-lantiq/files/drivers/serial/ifx_asc.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * (C) Copyright 2009 - * Infineon Technologies AG, http://www.infineon.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 - */ - -#include <config.h> -#include <common.h> -#include <asm/io.h> -#include <asm/addrspace.h> - -#include "ifx_asc.h" - -#define SET_BIT(reg, mask) asc_writel(reg, asc_readl(reg) | (mask)) -#define CLEAR_BIT(reg, mask) asc_writel(reg, asc_readl(reg) & (~mask)) -#define SET_BITFIELD(reg, mask, off, val) asc_writel(reg, (asc_readl(reg) & (~mask)) | (val << off) ) - -#undef DEBUG_ASC_RAW -#ifdef DEBUG_ASC_RAW -#define DEBUG_ASC_RAW_RX_BUF 0xA0800000 -#define DEBUG_ASC_RAW_TX_BUF 0xA0900000 -#endif - -DECLARE_GLOBAL_DATA_PTR; - -static IfxAsc_t *pAsc = (IfxAsc_t *)CKSEG1ADDR(CONFIG_SYS_IFX_ASC_BASE); - -/* - * FDV fASC - * BaudRate = ----- * -------------------- - * 512 16 * (ReloadValue+1) - */ - -/* - * FDV fASC - * ReloadValue = ( ----- * --------------- ) - 1 - * 512 16 * BaudRate - */ -static void serial_divs(u32 baudrate, u32 fasc, u32 *pfdv, u32 *preload) -{ - u32 clock = fasc / 16; - - u32 fdv; /* best fdv */ - u32 reload = 0; /* best reload */ - u32 diff; /* smallest diff */ - u32 idiff; /* current diff */ - u32 ireload; /* current reload */ - u32 i; /* current fdv */ - u32 result; /* current resulting baudrate */ - - if (clock > 0x7FFFFF) - clock /= 512; - else - baudrate *= 512; - - fdv = 512; /* start with 1:1 fraction */ - diff = baudrate; /* highest possible */ - - /* i is the test fdv value -- start with the largest possible */ - for (i = 512; i > 0; i--) - { - ireload = (clock * i) / baudrate; - if (ireload < 1) - break; /* already invalid */ - result = (clock * i) / ireload; - - idiff = (result > baudrate) ? (result - baudrate) : (baudrate - result); - if (idiff == 0) - { - fdv = i; - reload = ireload; - break; /* can't do better */ - } - else if (idiff < diff) - { - fdv = i; /* best so far */ - reload = ireload; - diff = idiff; /* update lowest diff*/ - } - } - - *pfdv = (fdv == 512) ? 0 : fdv; - *preload = reload - 1; -} - - -void serial_setbrg (void) -{ - u32 ReloadValue, fdv; - - serial_divs(gd->baudrate, get_bus_freq(0), &fdv, &ReloadValue); - - /* Disable Baud Rate Generator; BG should only be written when R=0 */ - CLEAR_BIT(asc_con, ASCCON_R); - - /* Enable Fractional Divider */ - SET_BIT(asc_con, ASCCON_FDE); /* FDE = 1 */ - - /* Set fractional divider value */ - asc_writel(asc_fdv, fdv & ASCFDV_VALUE_MASK); - - /* Set reload value in BG */ - asc_writel(asc_bg, ReloadValue); - - /* Enable Baud Rate Generator */ - SET_BIT(asc_con, ASCCON_R); /* R = 1 */ -} - - -int serial_init (void) -{ - - /* and we have to set CLC register*/ - CLEAR_BIT(asc_clc, ASCCLC_DISS); - SET_BITFIELD(asc_clc, ASCCLC_RMCMASK, ASCCLC_RMCOFFSET, 0x0001); - - /* initialy we are in async mode */ - asc_writel(asc_con, ASCCON_M_8ASYNC); - - /* select input port */ - asc_writel(asc_pisel, CONSOLE_TTY & 0x1); - - /* TXFIFO's filling level */ - SET_BITFIELD(asc_txfcon, ASCTXFCON_TXFITLMASK, - ASCTXFCON_TXFITLOFF, ASC_TXFIFO_FL); - /* enable TXFIFO */ - SET_BIT(asc_txfcon, ASCTXFCON_TXFEN); - - /* RXFIFO's filling level */ - SET_BITFIELD(asc_txfcon, ASCRXFCON_RXFITLMASK, - ASCRXFCON_RXFITLOFF, ASC_RXFIFO_FL); - /* enable RXFIFO */ - SET_BIT(asc_rxfcon, ASCRXFCON_RXFEN); - - /* set baud rate */ - serial_setbrg(); - - /* enable error signals & Receiver enable */ - SET_BIT(asc_whbstate, ASCWHBSTATE_SETREN|ASCCON_FEN|ASCCON_TOEN|ASCCON_ROEN); - - return 0; -} - - -void serial_putc (const char c) -{ - u32 txFl = 0; -#ifdef DEBUG_ASC_RAW - static u8 * debug = (u8 *) DEBUG_ASC_RAW_TX_BUF; - *debug++=c; -#endif - if (c == '\n') - serial_putc ('\r'); - /* check do we have a free space in the TX FIFO */ - /* get current filling level */ - do { - txFl = ( asc_readl(asc_fstat) & ASCFSTAT_TXFFLMASK ) >> ASCFSTAT_TXFFLOFF; - } - while ( txFl == ASC_TXFIFO_FULL ); - - asc_writel(asc_tbuf, c); /* write char to Transmit Buffer Register */ - - /* check for errors */ - if ( asc_readl(asc_state) & ASCSTATE_TOE ) { - SET_BIT(asc_whbstate, ASCWHBSTATE_CLRTOE); - return; - } -} - -void serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} - -int serial_getc (void) -{ - char c; - while ((asc_readl(asc_fstat) & ASCFSTAT_RXFFLMASK) == 0 ); - c = (char)(asc_readl(asc_rbuf) & 0xff); - -#ifdef DEBUG_ASC_RAW - static u8* debug=(u8*)(DEBUG_ASC_RAW_RX_BUF); - *debug++=c; -#endif - return c; -} - - -int serial_tstc (void) -{ - int res = 1; - - if ( (asc_readl(asc_fstat) & ASCFSTAT_RXFFLMASK) == 0 ) { - res = 0; - } - return res; -} diff --git a/package/uboot-lantiq/files/drivers/serial/ifx_asc.h b/package/uboot-lantiq/files/drivers/serial/ifx_asc.h deleted file mode 100644 index 2d3a49e..0000000 --- a/package/uboot-lantiq/files/drivers/serial/ifx_asc.h +++ /dev/null @@ -1,199 +0,0 @@ -/***************************************************************************** - * DANUBE BootROM - * Copyright (c) 2005, Infineon Technologies AG, All rights reserved - * IFAP DC COM SD - *****************************************************************************/ -#ifndef __ASC_H -#define __ASC_H - -/* channel operating modes */ -#define ASCOPT_CSIZE 0x00000003 -#define ASCOPT_CS7 0x00000001 -#define ASCOPT_CS8 0x00000002 -#define ASCOPT_PARENB 0x00000004 -#define ASCOPT_STOPB 0x00000008 -#define ASCOPT_PARODD 0x00000010 -#define ASCOPT_CREAD 0x00000020 - -#define ASC_OPTIONS (ASCOPT_CREAD | ASCOPT_CS8) - -/* ASC input select (0 or 1) */ -#define CONSOLE_TTY 0 - -#define ASC_TXFIFO_FL 1 -#define ASC_RXFIFO_FL 1 -#define ASC_TXFIFO_FULL 16 - -/* CLC register's bits and bitfields */ -#define ASCCLC_DISR 0x00000001 -#define ASCCLC_DISS 0x00000002 -#define ASCCLC_RMCMASK 0x0000FF00 -#define ASCCLC_RMCOFFSET 8 - -/* CON register's bits and bitfields */ -#define ASCCON_MODEMASK 0x0000000f -#define ASCCON_M_8ASYNC 0x0 -#define ASCCON_M_8IRDA 0x1 -#define ASCCON_M_7ASYNC 0x2 -#define ASCCON_M_7IRDA 0x3 -#define ASCCON_WLSMASK 0x0000000c -#define ASCCON_WLSOFFSET 2 -#define ASCCON_WLS_8BIT 0x0 -#define ASCCON_WLS_7BIT 0x1 -#define ASCCON_PEN 0x00000010 -#define ASCCON_ODD 0x00000020 -#define ASCCON_SP 0x00000040 -#define ASCCON_STP 0x00000080 -#define ASCCON_BRS 0x00000100 -#define ASCCON_FDE 0x00000200 -#define ASCCON_ERRCLK 0x00000400 -#define ASCCON_EMMASK 0x00001800 -#define ASCCON_EMOFFSET 11 -#define ASCCON_EM_ECHO_OFF 0x0 -#define ASCCON_EM_ECHO_AB 0x1 -#define ASCCON_EM_ECHO_ON 0x2 -#define ASCCON_LB 0x00002000 -#define ASCCON_ACO 0x00004000 -#define ASCCON_R 0x00008000 -#define ASCCON_PAL 0x00010000 -#define ASCCON_FEN 0x00020000 -#define ASCCON_RUEN 0x00040000 -#define ASCCON_ROEN 0x00080000 -#define ASCCON_TOEN 0x00100000 -#define ASCCON_BEN 0x00200000 -#define ASCCON_TXINV 0x01000000 -#define ASCCON_RXINV 0x02000000 -#define ASCCON_TXMSB 0x04000000 -#define ASCCON_RXMSB 0x08000000 - -/* STATE register's bits and bitfields */ -#define ASCSTATE_REN 0x00000001 -#define ASCSTATE_PE 0x00010000 -#define ASCSTATE_FE 0x00020000 -#define ASCSTATE_RUE 0x00040000 -#define ASCSTATE_ROE 0x00080000 -#define ASCSTATE_TOE 0x00100000 -#define ASCSTATE_BE 0x00200000 -#define ASCSTATE_TXBVMASK 0x07000000 -#define ASCSTATE_TXBVOFFSET 24 -#define ASCSTATE_TXEOM 0x08000000 -#define ASCSTATE_RXBVMASK 0x70000000 -#define ASCSTATE_RXBVOFFSET 28 -#define ASCSTATE_RXEOM 0x80000000 - -/* WHBSTATE register's bits and bitfields */ -#define ASCWHBSTATE_CLRREN 0x00000001 -#define ASCWHBSTATE_SETREN 0x00000002 -#define ASCWHBSTATE_CLRPE 0x00000004 -#define ASCWHBSTATE_CLRFE 0x00000008 -#define ASCWHBSTATE_CLRRUE 0x00000010 -#define ASCWHBSTATE_CLRROE 0x00000020 -#define ASCWHBSTATE_CLRTOE 0x00000040 -#define ASCWHBSTATE_CLRBE 0x00000080 -#define ASCWHBSTATE_SETPE 0x00000100 -#define ASCWHBSTATE_SETFE 0x00000200 -#define ASCWHBSTATE_SETRUE 0x00000400 -#define ASCWHBSTATE_SETROE 0x00000800 -#define ASCWHBSTATE_SETTOE 0x00001000 -#define ASCWHBSTATE_SETBE 0x00002000 - -/* ABCON register's bits and bitfields */ -#define ASCABCON_ABEN 0x0001 -#define ASCABCON_AUREN 0x0002 -#define ASCABCON_ABSTEN 0x0004 -#define ASCABCON_ABDETEN 0x0008 -#define ASCABCON_FCDETEN 0x0010 - -/* FDV register mask, offset and bitfields*/ -#define ASCFDV_VALUE_MASK 0x000001FF - -/* WHBABCON register's bits and bitfields */ -#define ASCWHBABCON_CLRABEN 0x0001 -#define ASCWHBABCON_SETABEN 0x0002 - -/* ABSTAT register's bits and bitfields */ -#define ASCABSTAT_FCSDET 0x0001 -#define ASCABSTAT_FCCDET 0x0002 -#define ASCABSTAT_SCSDET 0x0004 -#define ASCABSTAT_SCCDET 0x0008 -#define ASCABSTAT_DETWAIT 0x0010 - -/* WHBABSTAT register's bits and bitfields */ -#define ASCWHBABSTAT_CLRFCSDET 0x0001 -#define ASCWHBABSTAT_SETFCSDET 0x0002 -#define ASCWHBABSTAT_CLRFCCDET 0x0004 -#define ASCWHBABSTAT_SETFCCDET 0x0008 -#define ASCWHBABSTAT_CLRSCSDET 0x0010 -#define ASCWHBABSTAT_SETSCSDET 0x0020 -#define ASCWHBABSTAT_CLRSCCDET 0x0040 -#define ASCWHBABSTAT_SETSCCDET 0x0080 -#define ASCWHBABSTAT_CLRDETWAIT 0x0100 -#define ASCWHBABSTAT_SETDETWAIT 0x0200 - -/* TXFCON register's bits and bitfields */ -#define ASCTXFCON_TXFIFO1 0x00000400 -#define ASCTXFCON_TXFEN 0x0001 -#define ASCTXFCON_TXFFLU 0x0002 -#define ASCTXFCON_TXFITLMASK 0x3F00 -#define ASCTXFCON_TXFITLOFF 8 - -/* RXFCON register's bits and bitfields */ -#define ASCRXFCON_RXFIFO1 0x00000400 -#define ASCRXFCON_RXFEN 0x0001 -#define ASCRXFCON_RXFFLU 0x0002 -#define ASCRXFCON_RXFITLMASK 0x3F00 -#define ASCRXFCON_RXFITLOFF 8 - -/* FSTAT register's bits and bitfields */ -#define ASCFSTAT_RXFFLMASK 0x003F -#define ASCFSTAT_TXFFLMASK 0x3F00 -#define ASCFSTAT_TXFFLOFF 8 - -typedef struct IfxAsc_s -{ - unsigned long asc_clc; /*0x0000*/ - unsigned long asc_pisel; /*0x0004*/ - unsigned long asc_id; /*0x0008*/ - unsigned long asc_rsvd1[1]; /* for mapping */ /*0x000C*/ - unsigned long asc_con; /*0x0010*/ - unsigned long asc_state; /*0x0014*/ - unsigned long asc_whbstate; /*0x0018*/ - unsigned long asc_rsvd2[1]; /* for mapping */ /*0x001C*/ - unsigned long asc_tbuf; /*0x0020*/ - unsigned long asc_rbuf; /*0x0024*/ - unsigned long asc_rsvd3[2]; /* for mapping */ /*0x0028*/ - unsigned long asc_abcon; /*0x0030*/ - unsigned long asc_abstat; /* not used */ /*0x0034*/ - unsigned long asc_whbabcon; /*0x0038*/ - unsigned long asc_whbabstat; /* not used */ /*0x003C*/ - unsigned long asc_rxfcon; /*0x0040*/ - unsigned long asc_txfcon; /*0x0044*/ - unsigned long asc_fstat; /*0x0048*/ - unsigned long asc_rsvd4[1]; /* for mapping */ /*0x004C*/ - unsigned long asc_bg; /*0x0050*/ - unsigned long asc_bg_timer; /*0x0054*/ - unsigned long asc_fdv; /*0x0058*/ - unsigned long asc_pmw; /*0x005C*/ - unsigned long asc_modcon; /*0x0060*/ - unsigned long asc_modstat; /*0x0064*/ - unsigned long asc_rsvd5[2]; /* for mapping */ /*0x0068*/ - unsigned long asc_sfcc; /*0x0070*/ - unsigned long asc_rsvd6[3]; /* for mapping */ /*0x0074*/ - unsigned long asc_eomcon; /*0x0080*/ - unsigned long asc_rsvd7[26]; /* for mapping */ /*0x0084*/ - unsigned long asc_dmacon; /*0x00EC*/ - unsigned long asc_rsvd8[1]; /* for mapping */ /*0x00F0*/ - unsigned long asc_irnen; /*0x00F4*/ - unsigned long asc_irnicr; /*0x00F8*/ - unsigned long asc_irncr; /*0x00FC*/ -} IfxAsc_t; - - -/* Register access macros */ -#define asc_readl(reg) \ - readl(&pAsc->reg) -#define asc_writel(reg,value) \ - writel((value), &pAsc->reg) - - -#endif /* __ASC_H */ |