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* Fix SDRAM timings for LITE5200 / IceCube board

Browse source 
* Handle Auti-MDIX / connection status for INCA-IP

* Fix USB problems when attempting to read 0 bytes
This commit is contained in:
wdenk 2004-03-02 14:05:39 +00:00
parent e7c85689bb
commit f8d813e34f
4 changed files with 149 additions and 41 deletions
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6
CHANGELOG
View file

@ -2,6 +2,12 @@
Changes for U-Boot 1.0.2:
======================================================================
* Fix SDRAM timings for LITE5200 / IceCube board
* Handle Auti-MDIX / connection status for INCA-IP
* Fix USB problems when attempting to read 0 bytes
* Patch by Travis Sawyer, 26 Feb 2004:
Fix broken compile for XPEDITE1K target.

12
board/icecube/icecube.c
View file

@ -54,16 +54,16 @@ static void sdram_start (int hi_addr)
*(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0002 | hi_addr_bit;
/* set mode register */
#if defined(CONFIG_MPC5200)
*(vu_long *)MPC5XXX_SDRAM_MODE = 0x408d0000;
*(vu_long *)MPC5XXX_SDRAM_MODE = 0x00cd0000;
#elif defined(CONFIG_MGT5100)
*(vu_long *)MPC5XXX_SDRAM_MODE = 0x008d0000;
#endif
/* precharge all banks */
*(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0002 | hi_addr_bit;
/* auto refresh */
*(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0004 | hi_addr_bit;
/* auto refresh */
*(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0004 | hi_addr_bit;
/* set mode register */
*(vu_long *)MPC5XXX_SDRAM_MODE = 0x008d0000;
*(vu_long *)MPC5XXX_SDRAM_MODE = 0x00cd0000;
/* normal operation */
*(vu_long *)MPC5XXX_SDRAM_CTRL = 0x504f0000 | hi_addr_bit;
#endif
@ -93,8 +93,8 @@ long int initdram (int board_type)
*(vu_long *)MPC5XXX_CDM_PORCFG = 0x10000000;
#else
/* setup config registers */
*(vu_long *)MPC5XXX_SDRAM_CONFIG1 = 0xc2233a00;
*(vu_long *)MPC5XXX_SDRAM_CONFIG2 = 0x88b70004;
*(vu_long *)MPC5XXX_SDRAM_CONFIG1 = 0xd2322800;
*(vu_long *)MPC5XXX_SDRAM_CONFIG2 = 0x8ad70000;
#endif
#elif defined(CONFIG_MGT5100)

8
common/usb_storage.c
View file

@ -899,8 +899,12 @@ unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcn
unsigned short smallblks;
struct usb_device *dev;
int retry,i;
ccb *srb=&usb_ccb;
device&=0xff;
ccb *srb = &usb_ccb;
if (blkcnt == 0)
return 0;
device &= 0xff;
/* Setup device
*/
USB_STOR_PRINTF("\nusb_read: dev %d \n",device);

164
drivers/inca-ip_sw.c
View file

@ -1,7 +1,7 @@
/*
* INCA-IP internal switch ethernet driver.
*
* (C) Copyright 2003
* (C) Copyright 2003-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
@ -67,6 +67,11 @@
#define INCA_DMA_RX_SOP 0x40000000
#define INCA_DMA_RX_EOP 0x20000000
#define INCA_SWITCH_PHY_SPEED_10H 0x1
#define INCA_SWITCH_PHY_SPEED_10F 0x5
#define INCA_SWITCH_PHY_SPEED_100H 0x2
#define INCA_SWITCH_PHY_SPEED_100F 0x6
/************************ Auto MDIX settings ************************/
#define INCA_IP_AUTO_MDIX_LAN_PORTS_DIR INCA_IP_Ports_P1_DIR
#define INCA_IP_AUTO_MDIX_LAN_PORTS_ALTSEL INCA_IP_Ports_P1_ALTSEL
@ -221,8 +226,7 @@ static int inca_switch_init(struct eth_device *dev, bd_t * bis)
/* Initialize the descriptor rings.
*/
for (i = 0; i < NUM_RX_DESC; i++)
{
for (i = 0; i < NUM_RX_DESC; i++) {
inca_rx_descriptor_t * rx_desc = KSEG1ADDR(&rx_ring[i]);
memset(rx_desc, 0, sizeof(rx_ring[i]));
@ -330,8 +334,7 @@ static int inca_switch_init(struct eth_device *dev, bd_t * bis)
}
static int inca_switch_send(struct eth_device *dev, volatile void *packet,
int length)
static int inca_switch_send(struct eth_device *dev, volatile void *packet, int length)
{
int i;
int res = -1;
@ -628,7 +631,12 @@ static void inca_dma_init(void)
#if defined(CONFIG_INCA_IP_SWITCH_AMDIX)
static int inca_amdix(void)
{
u32 regValue = 0;
u32 phyReg1 = 0;
u32 phyReg4 = 0;
u32 phyReg5 = 0;
u32 phyReg6 = 0;
u32 phyReg31 = 0;
u32 regEphy = 0;
int mdi_flag;
int retries;
@ -637,31 +645,29 @@ static int inca_amdix(void)
*INCA_IP_AUTO_MDIX_LAN_PORTS_DIR |= (1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
*INCA_IP_AUTO_MDIX_LAN_PORTS_ALTSEL |= (1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
#if 0
/* Wait for signal.
*/
retries = WAIT_SIGNAL_RETRIES;
while (--retries)
{
while (--retries) {
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
(0x1 << 31) | /* RA */
(0x0 << 30) | /* Read */
(0x6 << 21) | /* LAN */
(17 << 16)); /* PHY_MCSR */
do
{
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, regValue);
}
while (regValue & (1 << 31));
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg1);
} while (phyReg1 & (1 << 31));
if (regValue & (1 << 1))
{
if (phyReg1 & (1 << 1)) {
/* Signal detected */
break;
}
}
if (!retries)
return -1;
goto Fail;
#endif
/* Set MDI mode.
*/
@ -671,43 +677,135 @@ static int inca_amdix(void)
/* Wait for link.
*/
retries = WAIT_LINK_RETRIES;
while (--retries)
{
while (--retries) {
udelay(LINK_RETRY_DELAY * 1000);
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
(0x1 << 31) | /* RA */
(0x0 << 30) | /* Read */
(0x6 << 21) | /* LAN */
(1 << 16)); /* PHY_BSR */
do
{
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, regValue);
}
while (regValue & (1 << 31));
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg1);
} while (phyReg1 & (1 << 31));
if (regValue & (1 << 2))
{
if (phyReg1 & (1 << 2)) {
/* Link is up */
break;
}
else if (mdi_flag)
{
} else if (mdi_flag) {
/* Set MDIX mode */
*INCA_IP_AUTO_MDIX_LAN_PORTS_OUT |= (1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
mdi_flag = 0;
}
else
{
} else {
/* Set MDI mode */
*INCA_IP_AUTO_MDIX_LAN_PORTS_OUT &= ~(1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
mdi_flag = 1;
}
}
if (!retries)
return -1;
if (!retries) {
goto Fail;
} else {
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
(0x1 << 31) | /* RA */
(0x0 << 30) | /* Read */
(0x6 << 21) | /* LAN */
(1 << 16)); /* PHY_BSR */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg1);
} while (phyReg1 & (1 << 31));
/* Auto-negotiation / Parallel detection complete
*/
if (phyReg1 & (1 << 5)) {
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
(0x1 << 31) | /* RA */
(0x0 << 30) | /* Read */
(0x6 << 21) | /* LAN */
(31 << 16)); /* PHY_SCSR */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg31);
} while (phyReg31 & (1 << 31));
switch ((phyReg31 >> 2) & 0x7) {
case INCA_SWITCH_PHY_SPEED_10H:
/* 10Base-T Half-duplex */
regEphy = 0;
break;
case INCA_SWITCH_PHY_SPEED_10F:
/* 10Base-T Full-duplex */
regEphy = INCA_IP_Switch_EPHY_DL;
break;
case INCA_SWITCH_PHY_SPEED_100H:
/* 100Base-TX Half-duplex */
regEphy = INCA_IP_Switch_EPHY_SL;
break;
case INCA_SWITCH_PHY_SPEED_100F:
/* 100Base-TX Full-duplex */
regEphy = INCA_IP_Switch_EPHY_SL | INCA_IP_Switch_EPHY_DL;
break;
}
/* In case of Auto-negotiation,
* update the negotiated PAUSE support status
*/
if (phyReg1 & (1 << 3)) {
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
(0x1 << 31) | /* RA */
(0x0 << 30) | /* Read */
(0x6 << 21) | /* LAN */
(6 << 16)); /* PHY_ANER */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg6);
} while (phyReg6 & (1 << 31));
/* We are Autoneg-able.
* Is Link partner also able to autoneg?
*/
if (phyReg6 & (1 << 0)) {
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
(0x1 << 31) | /* RA */
(0x0 << 30) | /* Read */
(0x6 << 21) | /* LAN */
(4 << 16)); /* PHY_ANAR */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg4);
} while (phyReg4 & (1 << 31));
/* We advertise PAUSE capab.
* Does link partner also advertise it?
*/
if (phyReg4 & (1 << 10)) {
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC,
(0x1 << 31) | /* RA */
(0x0 << 30) | /* Read */
(0x6 << 21) | /* LAN */
(5 << 16)); /* PHY_ANLPAR */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg5);
} while (phyReg5 & (1 << 31));
/* Link partner is PAUSE capab.
*/
if (phyReg5 & (1 << 10)) {
regEphy |= INCA_IP_Switch_EPHY_PL;
}
}
}
}
/* Link is up */
regEphy |= INCA_IP_Switch_EPHY_LL;
SW_WRITE_REG(INCA_IP_Switch_EPHY, regEphy);
}
}
return 0;
Fail:
printf("No Link on LAN port\n");
return -1;
}
#endif /* CONFIG_INCA_IP_SWITCH_AMDIX */