diff options
Diffstat (limited to 'board/ti/evm/evm.c')
| -rw-r--r-- | board/ti/evm/evm.c | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c index aaf3033..30c1c57 100644 --- a/board/ti/evm/evm.c +++ b/board/ti/evm/evm.c @@ -33,10 +33,14 @@ #include <asm/arch/mem.h> #include <asm/arch/mux.h> #include <asm/arch/sys_proto.h> +#include <asm/arch/gpio.h> #include <i2c.h> #include <asm/mach-types.h> #include "evm.h" +#define OMAP3EVM_GPIO_ETH_RST_GEN1 64 +#define OMAP3EVM_GPIO_ETH_RST_GEN2 7 + DECLARE_GLOBAL_DATA_PTR; static u32 omap3_evm_version; @@ -130,6 +134,9 @@ int misc_init_r(void) #endif omap3_evm_get_revision(); +#if defined(CONFIG_CMD_NET) + reset_net_chip(); +#endif dieid_num_r(); return 0; @@ -146,6 +153,7 @@ void set_muxconf_regs(void) MUX_EVM(); } +#ifdef CONFIG_CMD_NET /* * Routine: setup_net_chip * Description: Setting up the configuration GPMC registers specific to the @@ -153,7 +161,6 @@ void set_muxconf_regs(void) */ static void setup_net_chip(void) { - struct gpio *gpio3_base = (struct gpio *)OMAP34XX_GPIO3_BASE; struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; /* Configure GPMC registers */ @@ -172,16 +179,37 @@ static void setup_net_chip(void) /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */ writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00, &ctrl_base->gpmc_nadv_ale); +} - /* 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); +/** + * Reset the ethernet chip. + */ +static void reset_net_chip(void) +{ + int ret; + int rst_gpio; + + if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1) { + rst_gpio = OMAP3EVM_GPIO_ETH_RST_GEN1; + } else { + rst_gpio = OMAP3EVM_GPIO_ETH_RST_GEN2; + } + + ret = omap_request_gpio(rst_gpio); + if (ret < 0) { + printf("Unable to get GPIO %d\n", rst_gpio); + return ; + } + + /* Configure as output */ + omap_set_gpio_direction(rst_gpio, 0); + + /* Send a pulse on the GPIO pin */ + omap_set_gpio_dataout(rst_gpio, 1); udelay(1); - writel(GPIO0, &gpio3_base->cleardataout); + omap_set_gpio_dataout(rst_gpio, 0); udelay(1); - writel(GPIO0, &gpio3_base->setdataout); + omap_set_gpio_dataout(rst_gpio, 1); } int board_eth_init(bd_t *bis) @@ -192,3 +220,4 @@ int board_eth_init(bd_t *bis) #endif return rc; } +#endif /* CONFIG_CMD_NET */ |