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authorLadislav Michl <ladis@linux-mips.org>2016-01-04 23:07:59 +0100
committerTom Rini <trini@konsulko.com>2016-01-20 10:19:38 -0500
commit6ed75ba78b664c25d1a12312336fdb4a82b54359 (patch)
tree5e3aa5b589903dec715996ab8a3f62bce7b76175 /board/isee
parent8a1c1043d5c842d4b6d206d09ac2b8875666dc1c (diff)
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igep00x0: Cleanup ethernet support
- 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>
Diffstat (limited to 'board/isee')
-rw-r--r--board/isee/igep00x0/igep00x0.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/board/isee/igep00x0/igep00x0.c b/board/isee/igep00x0/igep00x0.c
index 57b89e0..e2fce50 100644
--- a/board/isee/igep00x0/igep00x0.c
+++ b/board/isee/igep00x0/igep00x0.c
@@ -101,6 +101,19 @@ void get_board_mem_timings(struct board_sdrc_timings *timings)
#endif
#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
* 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;
- enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
- GPMC_SIZE_16M);
+ enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
+ CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
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,
&ctrl_base->gpmc_nadv_ale);
- /* Make GPIO 64 as output pin and send a magic pulse through it */
- 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);
- }
+ reset_net_chip(64);
}
#else
static inline void setup_net_chip(void) {}
@@ -200,10 +205,10 @@ void set_muxconf_regs(void)
#if defined(CONFIG_CMD_NET)
int board_eth_init(bd_t *bis)
{
- int rc = 0;
#ifdef CONFIG_SMC911X
- rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+ return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#else
+ return 0;
#endif
- return rc;
}
#endif