From: Sriramakrishnan srk@ti.com
The GPIO pin used for resetting the external LAN chip has changed for Rev.G board.
Signed-off-by: Sriramakrishnan srk@ti.com Signed-off-by: Sanjeev Premi premi@ti.com --- board/ti/evm/evm.c | 27 ++++++++++++++++++--------- 1 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c index 8f9f141..57e5fa5 100644 --- a/board/ti/evm/evm.c +++ b/board/ti/evm/evm.c @@ -181,17 +181,26 @@ static void setup_net_chip(void) */ static void reset_net_chip(void) { - struct gpio *gpio3_base = (struct gpio *)OMAP34XX_GPIO3_BASE; - - /* Make GPIO 64 as output pin */ - writel(readl(&gpio3_base->oe) & ~(GPIO0), &gpio3_base->oe); - - /* Now send a pulse on the GPIO pin */ - writel(GPIO0, &gpio3_base->setdataout); + struct gpio *gpio_base; + u32 pin; + + if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1) { + gpio_base = (struct gpio *)OMAP34XX_GPIO3_BASE; + pin = GPIO0; /* Output pin: GPIO Bank 3, pin 0 */ + } else { + gpio_base = (struct gpio *)OMAP34XX_GPIO1_BASE; + pin = GPIO7; /* Output pin: GPIO Bank 0, pin 7 */ + } + + /* Configure the pin as output */ + writel(readl(&gpio_base->oe) & ~(pin), &gpio_base->oe); + + /* Send a pulse on the GPIO pin */ + writel(pin, &gpio_base->setdataout); udelay(1); - writel(GPIO0, &gpio3_base->cleardataout); + writel(pin, &gpio_base->cleardataout); udelay(1); - writel(GPIO0, &gpio3_base->setdataout); + writel(pin, &gpio_base->setdataout); }
int board_eth_init(bd_t *bis)