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uboot: support boards with tantos switch and small code and format cleanups

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SVN-Revision: 13308
This commit is contained in:
Thomas Langer 2008-11-21 18:47:33 +00:00
parent 0f26e35e37
commit e59c8dd866
1 changed files with 185 additions and 149 deletions
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268
package/uboot-ifxmips/files/drivers/ifx_sw.c
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@ -27,7 +27,7 @@
#include <common.h> #include <common.h>
#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) \ #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) \
&& defined(CONFIG_DANUBE_SWITCH) && defined(CONFIG_DANUBE_SWITCH)
#include <malloc.h> #include <malloc.h>
#include <net.h> #include <net.h>
@ -53,20 +53,22 @@
#define SW_WRITE_REG(reg, value) *((volatile u32*)reg) = (u32)value #define SW_WRITE_REG(reg, value) *((volatile u32*)reg) = (u32)value
#define SW_READ_REG(reg, value) value = (u32)*((volatile u32*)reg) #define SW_READ_REG(reg, value) value = (u32)*((volatile u32*)reg)
#define TANTOS_CHIP_ID 0x2599
typedef struct typedef struct
{ {
union union
{ {
struct struct
{ {
volatile u32 OWN :1; volatile u32 OWN :1;
volatile u32 C :1; volatile u32 C :1;
volatile u32 Sop :1; volatile u32 Sop :1;
volatile u32 Eop :1; volatile u32 Eop :1;
volatile u32 reserved :3; volatile u32 reserved :3;
volatile u32 Byteoffset :2; volatile u32 Byteoffset :2;
volatile u32 reserve :7; volatile u32 reserve :7;
volatile u32 DataLen :16; volatile u32 DataLen :16;
}field; }field;
volatile u32 word; volatile u32 word;
@ -81,13 +83,13 @@ typedef struct
{ {
struct struct
{ {
volatile u32 OWN :1; volatile u32 OWN :1;
volatile u32 C :1; volatile u32 C :1;
volatile u32 Sop :1; volatile u32 Sop :1;
volatile u32 Eop :1; volatile u32 Eop :1;
volatile u32 Byteoffset :5; volatile u32 Byteoffset :5;
volatile u32 reserved :7; volatile u32 reserved :7;
volatile u32 DataLen :16; volatile u32 DataLen :16;
}field; }field;
volatile u32 word; volatile u32 word;
@ -115,6 +117,7 @@ static void danube_dma_init(void);
int danube_switch_initialize(bd_t * bis) int danube_switch_initialize(bd_t * bis)
{ {
struct eth_device *dev; struct eth_device *dev;
unsigned short chipid;
#if 0 #if 0
printf("Entered danube_switch_initialize()\n"); printf("Entered danube_switch_initialize()\n");
@ -131,18 +134,18 @@ int danube_switch_initialize(bd_t * bis)
danube_init_switch_chip(REV_MII_MODE); danube_init_switch_chip(REV_MII_MODE);
#ifdef CLK_OUT2_25MHZ #ifdef CLK_OUT2_25MHZ
*DANUBE_GPIO_P0_DIR=0x0000ae78; *DANUBE_GPIO_P0_DIR=0x0000ae78;
*DANUBE_GPIO_P0_ALTSEL0=0x00008078; *DANUBE_GPIO_P0_ALTSEL0=0x00008078;
//joelin for Mii-1 *DANUBE_GPIO_P0_ALTSEL1=0x80000080; //joelin for Mii-1 *DANUBE_GPIO_P0_ALTSEL1=0x80000080;
*DANUBE_GPIO_P0_ALTSEL1=0x80000000; //joelin for Mii-1 *DANUBE_GPIO_P0_ALTSEL1=0x80000000; //joelin for Mii-1
*DANUBE_CGU_IFCCR=0x00400010; *DANUBE_CGU_IFCCR=0x00400010;
*DANUBE_GPIO_P0_OD=0x0000ae78; *DANUBE_GPIO_P0_OD=0x0000ae78;
#endif #endif
/*patch for 6996*/ /*patch for 6996*/
*DANUBE_RCU_RST_REQ |=1; *DANUBE_RCU_RST_REQ |=1;
mdelay(200); mdelay(200);
*DANUBE_RCU_RST_REQ &=(unsigned long)~1; *DANUBE_RCU_RST_REQ &=(unsigned long)~1;
mdelay(1); mdelay(1);
/*while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); /*while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000);
@ -160,29 +163,76 @@ int danube_switch_initialize(bd_t * bis)
eth_register(dev); eth_register(dev);
#if 0
printf("Leaving danube_switch_initialize()\n");
#endif
while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000);
*DANUBE_PPE_ETOP_MDIO_ACC =0x8001840F; *DANUBE_PPE_ETOP_MDIO_ACC =0xc1010000;
while((*DANUBE_PPE_ETOP_MDIO_ACC)&0x80000000);
*DANUBE_PPE_ETOP_MDIO_ACC =0x8003840F;
while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000);
*DANUBE_PPE_ETOP_MDIO_ACC =0x8005840F; chipid = (unsigned short)(*DANUBE_PPE_ETOP_MDIO_ACC & 0xffff);
//while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000);
//*DANUBE_PPE_ETOP_MDIO_ACC =0x8006840F; if (chipid != TANTOS_CHIP_ID) // not tantos switch.
while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); {
*DANUBE_PPE_ETOP_MDIO_ACC =0x8007840F; while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000);
while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); *DANUBE_PPE_ETOP_MDIO_ACC =0x8001840F;
*DANUBE_PPE_ETOP_MDIO_ACC =0x8008840F; while((*DANUBE_PPE_ETOP_MDIO_ACC)&0x80000000);
while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); *DANUBE_PPE_ETOP_MDIO_ACC =0x8003840F;
*DANUBE_PPE_ETOP_MDIO_ACC =0x8001840F; while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000);
while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); *DANUBE_PPE_ETOP_MDIO_ACC =0x8005840F;
*DANUBE_PPE_ETOP_MDIO_ACC =0x80123602; //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 #ifdef CLK_OUT2_25MHZ
while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000); while(*DANUBE_PPE_ETOP_MDIO_ACC&0x80000000);
*DANUBE_PPE_ETOP_MDIO_ACC =0x80334000; *DANUBE_PPE_ETOP_MDIO_ACC =0x80334000;
#endif #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; return 1;
} }
@ -194,26 +244,25 @@ int danube_switch_init(struct eth_device *dev, bd_t * bis)
tx_num=0; tx_num=0;
rx_num=0; rx_num=0;
/* Reset DMA /* Reset DMA */
*/
// serial_puts("i \n\0"); // serial_puts("i \n\0");
*DANUBE_DMA_CS=RX_CHAN_NO; *DANUBE_DMA_CS=RX_CHAN_NO;
*DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/
*DANUBE_DMA_CPOLL= 0x80000040; *DANUBE_DMA_CPOLL= 0x80000040;
/*set descriptor base*/ /*set descriptor base*/
*DANUBE_DMA_CDBA=(u32)rx_des_ring; *DANUBE_DMA_CDBA=(u32)rx_des_ring;
*DANUBE_DMA_CDLEN=NUM_RX_DESC; *DANUBE_DMA_CDLEN=NUM_RX_DESC;
*DANUBE_DMA_CIE = 0; *DANUBE_DMA_CIE = 0;
*DANUBE_DMA_CCTRL=0x30000; *DANUBE_DMA_CCTRL=0x30000;
*DANUBE_DMA_CS=TX_CHAN_NO; *DANUBE_DMA_CS=TX_CHAN_NO;
*DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/
*DANUBE_DMA_CPOLL= 0x80000040; *DANUBE_DMA_CPOLL= 0x80000040;
*DANUBE_DMA_CDBA=(u32)tx_des_ring; *DANUBE_DMA_CDBA=(u32)tx_des_ring;
*DANUBE_DMA_CDLEN=NUM_TX_DESC; *DANUBE_DMA_CDLEN=NUM_TX_DESC;
*DANUBE_DMA_CIE = 0; *DANUBE_DMA_CIE = 0;
*DANUBE_DMA_CCTRL=0x30100; *DANUBE_DMA_CCTRL=0x30100;
for(i=0;i < NUM_RX_DESC; i++) for(i=0;i < NUM_RX_DESC; i++)
{ {
@ -230,20 +279,20 @@ int danube_switch_init(struct eth_device *dev, bd_t * bis)
memset(tx_desc, 0, sizeof(tx_des_ring[0])); memset(tx_desc, 0, sizeof(tx_des_ring[0]));
} }
/* turn on DMA rx & tx channel /* turn on DMA rx & tx channel
*/ */
*DANUBE_DMA_CS=RX_CHAN_NO; *DANUBE_DMA_CS=RX_CHAN_NO;
*DANUBE_DMA_CCTRL|=1;/*reset and turn on the channel*/ *DANUBE_DMA_CCTRL|=1;/*reset and turn on the channel*/
return 0; return 0;
} }
void danube_switch_halt(struct eth_device *dev) void danube_switch_halt(struct eth_device *dev)
{ {
int i; int i;
for(i=0;i<8;i++) for(i=0;i<8;i++)
{ {
*DANUBE_DMA_CS=i; *DANUBE_DMA_CS=i;
*DANUBE_DMA_CCTRL&=~1;/*stop the dma channel*/ *DANUBE_DMA_CCTRL&=~1;/*stop the dma channel*/
} }
// udelay(1000000); // udelay(1000000);
} }
@ -251,8 +300,8 @@ void danube_switch_halt(struct eth_device *dev)
int danube_switch_send(struct eth_device *dev, volatile void *packet,int length) int danube_switch_send(struct eth_device *dev, volatile void *packet,int length)
{ {
int i; int i;
int res = -1; int res = -1;
danube_tx_descriptor_t * tx_desc= KSEG1ADDR(&tx_des_ring[tx_num]); danube_tx_descriptor_t * tx_desc= KSEG1ADDR(&tx_des_ring[tx_num]);
@ -287,11 +336,11 @@ int danube_switch_send(struct eth_device *dev, volatile void *packet,int length)
res=length; res=length;
tx_num++; tx_num++;
if(tx_num==NUM_TX_DESC) tx_num=0; if(tx_num==NUM_TX_DESC) tx_num=0;
*DANUBE_DMA_CS=TX_CHAN_NO; *DANUBE_DMA_CS=TX_CHAN_NO;
if(!(*DANUBE_DMA_CCTRL & 1)) if(!(*DANUBE_DMA_CCTRL & 1))
*DANUBE_DMA_CCTRL|=1; *DANUBE_DMA_CCTRL|=1;
Done: Done:
return res; return res;
@ -299,22 +348,18 @@ Done:
int danube_switch_recv(struct eth_device *dev) int danube_switch_recv(struct eth_device *dev)
{ {
int length = 0;
int length = 0;
danube_rx_descriptor_t * rx_desc; danube_rx_descriptor_t * rx_desc;
int anchor_num=0;
int i;
for (;;) for (;;)
{ {
rx_desc = KSEG1ADDR(&rx_des_ring[rx_num]); rx_desc = KSEG1ADDR(&rx_des_ring[rx_num]);
if ((rx_desc->status.field.C == 0) || (rx_desc->status.field.OWN == 1)) if ((rx_desc->status.field.C == 0) || (rx_desc->status.field.OWN == 1))
{ {
break; break;
} }
length = rx_desc->status.field.DataLen; length = rx_desc->status.field.DataLen;
if (length) if (length)
{ {
@ -342,10 +387,8 @@ int danube_switch_recv(struct eth_device *dev)
static void danube_init_switch_chip(int mode) static void danube_init_switch_chip(int mode)
{ {
int i; /*get and set mac address for MAC*/
/*get and set mac address for MAC*/ char *tmp;
static unsigned char addr[6];
char *tmp,*end;
tmp = getenv ("ethaddr"); tmp = getenv ("ethaddr");
if (NULL == tmp) { if (NULL == tmp) {
printf("Can't get environment ethaddr!!!\n"); printf("Can't get environment ethaddr!!!\n");
@ -353,58 +396,55 @@ static void danube_init_switch_chip(int mode)
} else { } else {
printf("ethaddr=%s\n", tmp); printf("ethaddr=%s\n", tmp);
} }
*DANUBE_PMU_PWDCR = *DANUBE_PMU_PWDCR & 0xFFFFEFDF; *DANUBE_PMU_PWDCR = *DANUBE_PMU_PWDCR & 0xFFFFEFDF;
*DANUBE_PPE32_ETOP_MDIO_CFG &= ~0x6; *DANUBE_PPE32_ETOP_MDIO_CFG &= ~0x6;
*DANUBE_PPE32_ENET_MAC_CFG = 0x187; *DANUBE_PPE32_ENET_MAC_CFG = 0x187;
// turn on port0, set to rmii and turn off port1. // turn on port0, set to rmii and turn off port1.
if(mode==REV_MII_MODE) if (mode==REV_MII_MODE)
{ {
*DANUBE_PPE32_ETOP_CFG = (*DANUBE_PPE32_ETOP_CFG & 0xfffffffc) | 0x0000000a; *DANUBE_PPE32_ETOP_CFG = (*DANUBE_PPE32_ETOP_CFG & 0xfffffffc) | 0x0000000a;
} }
else if (mode == MII_MODE) else if (mode == MII_MODE)
{ {
*DANUBE_PPE32_ETOP_CFG = (*DANUBE_PPE32_ETOP_CFG & 0xfffffffc) | 0x00000008; *DANUBE_PPE32_ETOP_CFG = (*DANUBE_PPE32_ETOP_CFG & 0xfffffffc) | 0x00000008;
} }
*DANUBE_PPE32_ETOP_IG_PLEN_CTRL = 0x4005ee; // set packetlen. *DANUBE_PPE32_ETOP_IG_PLEN_CTRL = 0x4005ee; // set packetlen.
*ENET_MAC_CFG|=1<<11;/*enable the crc*/ *ENET_MAC_CFG |= 1<<11; /*enable the crc*/
return; return;
} }
static void danube_dma_init(void) static void danube_dma_init(void)
{ {
int i;
// serial_puts("d \n\0"); // serial_puts("d \n\0");
*DANUBE_PMU_PWDCR &=~(1<<DANUBE_PMU_DMA_SHIFT);/*enable DMA from PMU*/ *DANUBE_PMU_PWDCR &=~(1<<DANUBE_PMU_DMA_SHIFT);/*enable DMA from PMU*/
/* Reset DMA /* Reset DMA */
*/
*DANUBE_DMA_CTRL|=1; *DANUBE_DMA_CTRL|=1;
*DANUBE_DMA_IRNEN=0;/*disable all the interrupts first*/ *DANUBE_DMA_IRNEN=0;/*disable all the interrupts first*/
/* Clear Interrupt Status Register /* Clear Interrupt Status Register */
*/
*DANUBE_DMA_IRNCR=0xfffff; *DANUBE_DMA_IRNCR=0xfffff;
/*disable all the dma interrupts*/ /*disable all the dma interrupts*/
*DANUBE_DMA_IRNEN=0; *DANUBE_DMA_IRNEN=0;
/*disable channel 0 and channel 1 interrupts*/ /*disable channel 0 and channel 1 interrupts*/
*DANUBE_DMA_CS=RX_CHAN_NO; *DANUBE_DMA_CS=RX_CHAN_NO;
*DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/
*DANUBE_DMA_CPOLL= 0x80000040; *DANUBE_DMA_CPOLL= 0x80000040;
/*set descriptor base*/ /*set descriptor base*/
*DANUBE_DMA_CDBA=(u32)rx_des_ring; *DANUBE_DMA_CDBA=(u32)rx_des_ring;
*DANUBE_DMA_CDLEN=NUM_RX_DESC; *DANUBE_DMA_CDLEN=NUM_RX_DESC;
*DANUBE_DMA_CIE = 0; *DANUBE_DMA_CIE = 0;
*DANUBE_DMA_CCTRL=0x30000; *DANUBE_DMA_CCTRL=0x30000;
*DANUBE_DMA_CS=TX_CHAN_NO; *DANUBE_DMA_CS=TX_CHAN_NO;
*DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/ *DANUBE_DMA_CCTRL=0x2;/*fix me, need to reset this channel first?*/
*DANUBE_DMA_CPOLL= 0x80000040; *DANUBE_DMA_CPOLL= 0x80000040;
*DANUBE_DMA_CDBA=(u32)tx_des_ring; *DANUBE_DMA_CDBA=(u32)tx_des_ring;
*DANUBE_DMA_CDLEN=NUM_TX_DESC; *DANUBE_DMA_CDLEN=NUM_TX_DESC;
*DANUBE_DMA_CIE = 0; *DANUBE_DMA_CIE = 0;
*DANUBE_DMA_CCTRL=0x30100; *DANUBE_DMA_CCTRL=0x30100;
/*enable the poll function and set the poll counter*/ /*enable the poll function and set the poll counter*/
@ -416,8 +456,4 @@ static void danube_dma_init(void)
return; return;
} }
#endif #endif