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| author | Chandan Nath <chandan.nath@ti.com> | 2012-07-24 12:22:17 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:11 +0200 |
| commit | e79cd8eb9bc47b6bb40e5948c71a00785f764257 (patch) | |
| tree | 12049aa66b453d460af3884368ed21d11ae97eb4 /arch/arm/cpu | |
| parent | 2b62997ce931494da3f5836899a91ae3909a0c0c (diff) | |
| download | u-boot-imx-e79cd8eb9bc47b6bb40e5948c71a00785f764257.zip u-boot-imx-e79cd8eb9bc47b6bb40e5948c71a00785f764257.tar.gz u-boot-imx-e79cd8eb9bc47b6bb40e5948c71a00785f764257.tar.bz2 | |
am33xx: CPSW init and definitions
This patch adds platform-specific initialization for CPSW
switch on TI AM33XX SoCs.
Signed-off-by: Chandan Nath <chandan.nath@ti.com>
[Ilya: split init out of original patch]
Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c index 16beb4f..e3c4fd8 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ b/arch/arm/cpu/armv7/am33xx/clock.c @@ -24,6 +24,7 @@ #define PRCM_MOD_EN 0x2 #define PRCM_FORCE_WAKEUP 0x2 +#define PRCM_FUNCTL 0x0 #define PRCM_EMIF_CLK_ACTIVITY BIT(2) #define PRCM_L3_GCLK_ACTIVITY BIT(4) @@ -38,7 +39,7 @@ #define CLK_MODE_SEL 0x7 #define CLK_MODE_MASK 0xfffffff8 #define CLK_DIV_SEL 0xFFFFFFE0 - +#define CPGMAC0_IDLE 0x30000 const struct cm_perpll *cmper = (struct cm_perpll *)CM_PER; const struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP; @@ -138,6 +139,11 @@ static void enable_per_clocks(void) writel(PRCM_MOD_EN, &cmper->i2c1clkctrl); while (readl(&cmper->i2c1clkctrl) != PRCM_MOD_EN) ; + + /* Ethernet */ + writel(PRCM_MOD_EN, &cmper->cpgmac0clkctrl); + while ((readl(&cmper->cpgmac0clkctrl) & CPGMAC0_IDLE) != PRCM_FUNCTL) + ; } static void mpu_pll_config(void) |