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| author | Valentin Longchamp <valentin.longchamp@keymile.com> | 2011-06-16 18:11:15 +0530 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-07-04 10:55:28 +0200 |
| commit | 8f2827fc43fe92c93875631c730cb9b54998d340 (patch) | |
| tree | 92450ce6932dbedfa3a9bcb2adb768f3f27c4a20 /board/keymile | |
| parent | 680cfaf805e896d7e345916d168f44a325d5e784 (diff) | |
| download | u-boot-imx-8f2827fc43fe92c93875631c730cb9b54998d340.zip u-boot-imx-8f2827fc43fe92c93875631c730cb9b54998d340.tar.gz u-boot-imx-8f2827fc43fe92c93875631c730cb9b54998d340.tar.bz2 | |
arm/km: ethernet support for mgcoge3un
The phy is also configured with "RGMII clock transitions when data
stable" and "Class A driver for the direct backplane connection".
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'board/keymile')
| -rw-r--r-- | board/keymile/km_arm/km_arm.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c index d86acc9..ed6ede3 100644 --- a/board/keymile/km_arm/km_arm.c +++ b/board/keymile/km_arm/km_arm.c @@ -335,7 +335,42 @@ void dram_init_banksize(void) } } -/* Configure and enable MV88E1118 PHY */ +#if defined(CONFIG_MGCOGE3UN) + +#define PHY_LED_SEL 0x18 +#define PHY_LED0_LINK (0x5) +#define PHY_LED1_ACT (0x8<<4) +#define PHY_LED2_INT (0xe<<8) +#define PHY_SPEC_CTRL 0x1c +#define PHY_RGMII_CLK_STABLE (0x1<<10) +#define PHY_CLSA (0x1<<1) + +/* Configure and enable MV88E3018 PHY */ +void reset_phy(void) +{ + char *name = "egiga0"; + unsigned short reg; + + if (miiphy_set_current_dev(name)) + return; + + /* RGMII clk transition on data stable */ + if (miiphy_read(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL, ®) != 0) + printf("Error reading PHY spec ctrl reg\n"); + if (miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL, + reg | PHY_RGMII_CLK_STABLE | PHY_CLSA) != 0) + printf("Error writing PHY spec ctrl reg\n"); + + /* leds setup */ + if (miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_LED_SEL, + PHY_LED0_LINK | PHY_LED1_ACT | PHY_LED2_INT) != 0) + printf("Error writing PHY LED reg\n"); + + /* reset the phy */ + miiphy_reset(name, CONFIG_PHY_BASE_ADR); +} +#else +/* Configure and enable MV88E1118 PHY on the piggy*/ void reset_phy(void) { char *name = "egiga0"; @@ -346,6 +381,8 @@ void reset_phy(void) /* reset the phy */ miiphy_reset(name, CONFIG_PHY_BASE_ADR); } +#endif + #if defined(CONFIG_HUSH_INIT_VAR) int hush_init_var(void) |