diff options
Diffstat (limited to 'package/uboot-ifxmips/files/drivers')
| -rw-r--r-- | package/uboot-ifxmips/files/drivers/ifx_sw.c | 459 |
1 files changed, 0 insertions, 459 deletions
diff --git a/package/uboot-ifxmips/files/drivers/ifx_sw.c b/package/uboot-ifxmips/files/drivers/ifx_sw.c deleted file mode 100644 index ac0415a..0000000 --- a/package/uboot-ifxmips/files/drivers/ifx_sw.c +++ /dev/null @@ -1,459 +0,0 @@ -/* - * DANUBE internal switch ethernet driver. - * - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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> - -#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) \ - && defined(CONFIG_DANUBE_SWITCH) - -#include <malloc.h> -#include <net.h> -#include <asm/danube.h> -#include <asm/addrspace.h> -#include <asm/pinstrap.h> - -#define MII_MODE 1 -#define REV_MII_MODE 2 - -#define TX_CHAN_NO 7 -#define RX_CHAN_NO 6 - -#define NUM_RX_DESC PKTBUFSRX -#define NUM_TX_DESC 8 -#define MAX_PACKET_SIZE 1536 -#define TOUT_LOOP 100 -#define PHY0_ADDR 1 /*fixme: set the correct value here*/ - -#define DMA_WRITE_REG(reg, value) *((volatile u32 *)reg) = (u32)value -#define DMA_READ_REG(reg, value) value = (u32)*((volatile u32*)reg) - -#define SW_WRITE_REG(reg, value) *((volatile u32*)reg) = (u32)value -#define SW_READ_REG(reg, value) value = (u32)*((volatile u32*)reg) - -#define TANTOS_CHIP_ID 0x2599 - -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; -} danube_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; -} danube_tx_descriptor_t; - - - - -static danube_rx_descriptor_t rx_des_ring[NUM_RX_DESC] __attribute__ ((aligned(8))); -static danube_tx_descriptor_t tx_des_ring[NUM_TX_DESC] __attribute__ ((aligned(8))); -static int tx_num, rx_num; - -int danube_switch_init(struct eth_device *dev, bd_t * bis); -int danube_switch_send(struct eth_device *dev, volatile void *packet,int length); -int danube_switch_recv(struct eth_device *dev); -void danube_switch_halt(struct eth_device *dev); -static void danube_init_switch_chip(int mode); -static void danube_dma_init(void); - - - -int danube_switch_initialize(bd_t * bis) -{ - struct eth_device *dev; - unsigned short chipid; - -#if 0 - printf("Entered danube_switch_initialize()\n"); -#endif - - if (!(dev = (struct eth_device *) malloc (sizeof *dev))) - { - printf("Failed to allocate memory\n"); - return 0; - } - memset(dev, 0, sizeof(*dev)); - - danube_dma_init(); - danube_init_switch_chip(REV_MII_MODE); - -#ifdef CLK_OUT2_25MHZ - *DANUBE_GPIO_P0_DIR=0x0000ae78; - *DANUBE_GPIO_P0_ALTSEL0=0x00008078; - //joelin for Mii-1 *DANUBE_GPIO_P0_ALTSEL1=0x80000080; - *DANUBE_GPIO_P0_ALTSEL1=0x80000000; //joelin for Mii-1 - *DANUBE_CGU_IFCCR=0x00400010; - *DANUBE_GPIO_P0_OD=0x0000ae78; -#endif - - /*patch for 6996*/ - - *DANUBE_RCU_RST_REQ |=1; - mdelay(200); - *DANUBE_RCU_RST_REQ &=(unsigned long)~1; - mdelay(1); - /*while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x80123602; - */ - /*while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x80123602; - */ - /***************/ - sprintf(dev->name, "danube Switch"); - dev->init = danube_switch_init; - dev->halt = danube_switch_halt; - dev->send = danube_switch_send; - dev->recv = danube_switch_recv; - - eth_register(dev); - - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0xc1010000; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - chipid = (unsigned short)(*DANUBE_PPE_ETOP_MDIO_ACC & 0xffff); - - if (chipid != TANTOS_CHIP_ID) // not tantos switch. - { - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x8001840F; - while((*DANUBE_PPE_ETOP_MDIO_ACC)&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x8003840F; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x8005840F; - //while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - //*DANUBE_PPE_ETOP_MDIO_ACC =0x8006840F; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x8007840F; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x8008840F; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x8001840F; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x80123602; -#ifdef CLK_OUT2_25MHZ - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x80334000; -#endif - } - else // Tantos switch chip - { - //printf("Tantos Switch detected!!\n\r"); - - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x80a10004; - - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x80c10004; - - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - *DANUBE_PPE_ETOP_MDIO_ACC =0x80f50773; - - /* Software workaround. */ - /* PHY reset from P0 to P4. */ - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - - mdelay(1); - *DANUBE_PPE_ETOP_MDIO_ACC =0x81218000; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - mdelay(1); - /* P0 */ - *DANUBE_PPE_ETOP_MDIO_ACC =0x81200400; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - mdelay(1); - /* P1 */ - *DANUBE_PPE_ETOP_MDIO_ACC =0x81200420; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - mdelay(1); - /* P2 */ - *DANUBE_PPE_ETOP_MDIO_ACC =0x81200440; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - mdelay(1); - /* P3 */ - *DANUBE_PPE_ETOP_MDIO_ACC =0x81200460; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - mdelay(1); - /* p4 */ - *DANUBE_PPE_ETOP_MDIO_ACC =0x81200480; - while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); - mdelay(1); - } - - return 1; -} - -int danube_switch_init(struct eth_device *dev, bd_t * bis) -{ - int i; - - tx_num=0; - rx_num=0; - - /* Reset DMA */ -// serial_puts("i \n\0"); - - *DANUBE_DMA_CS=RX_CHAN_NO; - *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ - *DANUBE_DMA_CPOLL= 0x80000040; - /*set descriptor base*/ - *DANUBE_DMA_CDBA=(u32)rx_des_ring; - *DANUBE_DMA_CDLEN=NUM_RX_DESC; - *DANUBE_DMA_CIE = 0; - *DANUBE_DMA_CCTRL=0x30000; - - *DANUBE_DMA_CS=TX_CHAN_NO; - *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ - *DANUBE_DMA_CPOLL= 0x80000040; - *DANUBE_DMA_CDBA=(u32)tx_des_ring; - *DANUBE_DMA_CDLEN=NUM_TX_DESC; - *DANUBE_DMA_CIE = 0; - *DANUBE_DMA_CCTRL=0x30100; - - for(i=0;i < NUM_RX_DESC; i++) - { - danube_rx_descriptor_t * rx_desc = KSEG1ADDR(&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)KSEG1ADDR(NetRxPackets[i]); - } - - for(i=0;i < NUM_TX_DESC; i++) - { - danube_tx_descriptor_t * tx_desc = KSEG1ADDR(&tx_des_ring[i]); - memset(tx_desc, 0, sizeof(tx_des_ring[0])); - } - /* turn on DMA rx & tx channel - */ - *DANUBE_DMA_CS=RX_CHAN_NO; - *DANUBE_DMA_CCTRL|=1;/*reset and turn on the channel*/ - - return 0; -} - -void danube_switch_halt(struct eth_device *dev) -{ - int i; - for(i=0;i<8;i++) - { - *DANUBE_DMA_CS=i; - *DANUBE_DMA_CCTRL&=~1;/*stop the dma channel*/ - } -// udelay(1000000); -} - -int danube_switch_send(struct eth_device *dev, volatile void *packet,int length) -{ - - int i; - int res = -1; - - danube_tx_descriptor_t * tx_desc= KSEG1ADDR(&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; - } - } - - //serial_putc('s'); - - tx_desc->status.field.Sop=1; - tx_desc->status.field.Eop=1; - tx_desc->status.field.C=0; - tx_desc->DataPtr = (u32)KSEG1ADDR(packet); - if(length<60) - tx_desc->status.field.DataLen = 60; - else - tx_desc->status.field.DataLen = (u32)length; - - asm("SYNC"); - tx_desc->status.field.OWN=1; - - res=length; - tx_num++; - if(tx_num==NUM_TX_DESC) tx_num=0; - *DANUBE_DMA_CS=TX_CHAN_NO; - - if(!(*DANUBE_DMA_CCTRL & 1)) - *DANUBE_DMA_CCTRL|=1; - -Done: - return res; -} - -int danube_switch_recv(struct eth_device *dev) -{ - int length = 0; - danube_rx_descriptor_t * rx_desc; - - for (;;) - { - rx_desc = KSEG1ADDR(&rx_des_ring[rx_num]); - - if ((rx_desc->status.field.C == 0) || (rx_desc->status.field.OWN == 1)) - { - break; - } - - length = rx_desc->status.field.DataLen; - if (length) - { - NetReceive((void*)KSEG1ADDR(NetRxPackets[rx_num]), length - 4); - // serial_putc('*'); - } - else - { - printf("Zero 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 danube_init_switch_chip(int mode) -{ - /*get and set mac address for MAC*/ - char *tmp; - tmp = getenv ("ethaddr"); - if (NULL == tmp) { - printf("Can't get environment ethaddr!!!\n"); - // return NULL; - } else { - printf("ethaddr=%s\n", tmp); - } - *DANUBE_PMU_PWDCR = *DANUBE_PMU_PWDCR & 0xFFFFEFDF; - *DANUBE_PPE32_ETOP_MDIO_CFG &= ~0x6; - *DANUBE_PPE32_ENET_MAC_CFG = 0x187; - - // turn on port0, set to rmii and turn off port1. - if (mode==REV_MII_MODE) - { - *DANUBE_PPE32_ETOP_CFG = (*DANUBE_PPE32_ETOP_CFG & 0xfffffffc) | 0x0000000a; - } - else if (mode == MII_MODE) - { - *DANUBE_PPE32_ETOP_CFG = (*DANUBE_PPE32_ETOP_CFG & 0xfffffffc) | 0x00000008; - } - - *DANUBE_PPE32_ETOP_IG_PLEN_CTRL = 0x4005ee; // set packetlen. - *ENET_MAC_CFG |= 1<<11; /*enable the crc*/ - return; -} - - -static void danube_dma_init(void) -{ -// serial_puts("d \n\0"); - - *DANUBE_PMU_PWDCR &=~(1<<DANUBE_PMU_DMA_SHIFT);/*enable DMA from PMU*/ - /* Reset DMA */ - *DANUBE_DMA_CTRL|=1; - *DANUBE_DMA_IRNEN=0;/*disable all the interrupts first*/ - - /* Clear Interrupt Status Register */ - *DANUBE_DMA_IRNCR=0xfffff; - /*disable all the dma interrupts*/ - *DANUBE_DMA_IRNEN=0; - /*disable channel 0 and channel 1 interrupts*/ - - *DANUBE_DMA_CS=RX_CHAN_NO; - *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ - *DANUBE_DMA_CPOLL= 0x80000040; - /*set descriptor base*/ - *DANUBE_DMA_CDBA=(u32)rx_des_ring; - *DANUBE_DMA_CDLEN=NUM_RX_DESC; - *DANUBE_DMA_CIE = 0; - *DANUBE_DMA_CCTRL=0x30000; - - *DANUBE_DMA_CS=TX_CHAN_NO; - *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ - *DANUBE_DMA_CPOLL= 0x80000040; - *DANUBE_DMA_CDBA=(u32)tx_des_ring; - *DANUBE_DMA_CDLEN=NUM_TX_DESC; - *DANUBE_DMA_CIE = 0; - *DANUBE_DMA_CCTRL=0x30100; - /*enable the poll function and set the poll counter*/ - //*DANUBE_DMA_CPOLL=DANUBE_DMA_POLL_EN | (DANUBE_DMA_POLL_COUNT<<4); - /*set port properties, enable endian conversion for switch*/ - *DANUBE_DMA_PS=0; - *DANUBE_DMA_PCTRL|=0xf<<8;/*enable 32 bit endian conversion*/ - - return; -} - -#endif |