Commit cf56e110 authored by wdenk's avatar wdenk
Browse files

Add Auto-MDIX support for INCA-IP

parent 198ea9e2
......@@ -2,6 +2,8 @@
Changes for U-Boot 1.0.2:
======================================================================
* Add Auto-MDIX support for INCA-IP
* Some code cleanup
* Patch by Josef Baumgartner, 10 Feb 2004:
......
......@@ -185,8 +185,10 @@ sdram_init:
li t1, MC_MODUL_BASE
#if 0
/* Disable memory controller before changing any of its registers */
sw zero, MC_CTRLENA(t1)
#endif
li t2, 100000000
beq a0, t2, 1f
......
......@@ -67,6 +67,16 @@
#define INCA_DMA_RX_SOP 0x40000000
#define INCA_DMA_RX_EOP 0x20000000
/************************ 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
#define INCA_IP_AUTO_MDIX_LAN_PORTS_OUT INCA_IP_Ports_P1_OUT
#define INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX 16
#define WAIT_SIGNAL_RETRIES 100
#define WAIT_LINK_RETRIES 100
#define LINK_RETRY_DELAY 300 /* ms */
/********************************************************************/
typedef struct
{
......@@ -143,6 +153,7 @@ static int inca_switch_recv(struct eth_device *dev);
static void inca_switch_halt(struct eth_device *dev);
static void inca_init_switch_chip(void);
static void inca_dma_init(void);
static int inca_amdix(void);
int inca_switch_initialize(bd_t * bis)
......@@ -162,6 +173,8 @@ int inca_switch_initialize(bd_t * bis)
inca_dma_init();
inca_init_switch_chip();
inca_amdix();
sprintf(dev->name, "INCA-IP Switch");
dev->init = inca_switch_init;
......@@ -610,4 +623,88 @@ static void inca_dma_init(void)
DMA_WRITE_REG(INCA_IP_DMA_DMA_RXISR, 0xFFFFFFFF);
}
static int inca_amdix(void)
{
u32 regValue = 0;
int mdi_flag;
int retries;
/* Setup GPIO pins.
*/
*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);
/* Wait for signal.
*/
retries = WAIT_SIGNAL_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));
if (regValue & (1 << 1))
{
/* Signal detected */
break;
}
}
if (!retries)
return -1;
/* Set MDI mode.
*/
*INCA_IP_AUTO_MDIX_LAN_PORTS_OUT &= ~(1 << INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX);
mdi_flag = 1;
/* Wait for link.
*/
retries = WAIT_LINK_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));
if (regValue & (1 << 2))
{
/* Link is up */
break;
}
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
{
/* 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;
return 0;
}
#endif
......@@ -358,10 +358,10 @@ CPM_CR_CH_SCC4 };
*/
immr->im_cpm.cp_scc[scc_index].scc_gsmrl = (SCC_GSMRL_TCI |
SCC_GSMRL_TPL_48 |
SCC_GSMRL_TPP_10 |
SCC_GSMRL_DIAG_LOOP |
SCC_GSMRL_MODE_ENET);
SCC_GSMRL_TPL_48 |
SCC_GSMRL_TPP_10 |
SCC_GSMRL_DIAG_LOOP |
SCC_GSMRL_MODE_ENET);
/*
* Initialize the DSR -- see section 13.14.4 (pg. 513) v0.4
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment