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igep00x0: Cleanup ethernet support

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- move chip reset to separate function
- use CONFIG_SMC911X_BASE instead of hardcoded value
- remove unneeded local variable from board_eth_init.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Enric Balletbo Serra <enric.balletbo@collabora.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Ladislav Michl 2016-01-04 23:07:59 +01:00 committed by Tom Rini
parent 8a1c1043d5
commit 6ed75ba78b
1 changed files with 19 additions and 14 deletions
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33
board/isee/igep00x0/igep00x0.c
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@ -101,6 +101,19 @@ void get_board_mem_timings(struct board_sdrc_timings *timings)
#endif #endif
#if defined(CONFIG_CMD_NET) #if defined(CONFIG_CMD_NET)
static void reset_net_chip(int gpio)
{
if (!gpio_request(gpio, "eth nrst")) {
gpio_direction_output(gpio, 1);
udelay(1);
gpio_set_value(gpio, 0);
udelay(40);
gpio_set_value(gpio, 1);
mdelay(10);
}
}
/* /*
* Routine: setup_net_chip * Routine: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the * Description: Setting up the configuration GPMC registers specific to the
@ -110,8 +123,8 @@ static void setup_net_chip(void)
{ {
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000, enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
GPMC_SIZE_16M); CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
/* Enable off mode for NWE in PADCONF_GPMC_NWE register */ /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe); writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
@ -121,15 +134,7 @@ static void setup_net_chip(void)
writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00, writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
&ctrl_base->gpmc_nadv_ale); &ctrl_base->gpmc_nadv_ale);
/* Make GPIO 64 as output pin and send a magic pulse through it */ reset_net_chip(64);
if (!gpio_request(64, "")) {
gpio_direction_output(64, 0);
gpio_set_value(64, 1);
udelay(1);
gpio_set_value(64, 0);
udelay(1);
gpio_set_value(64, 1);
}
} }
#else #else
static inline void setup_net_chip(void) {} static inline void setup_net_chip(void) {}
@ -200,10 +205,10 @@ void set_muxconf_regs(void)
#if defined(CONFIG_CMD_NET) #if defined(CONFIG_CMD_NET)
int board_eth_init(bd_t *bis) int board_eth_init(bd_t *bis)
{ {
int rc = 0;
#ifdef CONFIG_SMC911X #ifdef CONFIG_SMC911X
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); return smc911x_initialize(0, CONFIG_SMC911X_BASE);
#else
return 0;
#endif #endif
return rc;
} }
#endif #endif