[U-Boot] [PATCH 3/7] ARM: DRA7xx: Lock DPLL_GMAC
Mugunthan V N
mugunthanvnm at ti.com
Mon Jul 8 12:34:39 CEST 2013
From: Lokesh Vutla <lokeshvutla at ti.com>
Locking DPLL_GMAC
[mugunthanvnm at ti.com:Configure only if CPSW is selected]
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm at ti.com>
---
arch/arm/cpu/armv7/omap-common/clocks-common.c | 18 ++++++++++++++++++
arch/arm/cpu/armv7/omap5/hw_data.c | 11 +++++++++++
arch/arm/cpu/armv7/omap5/prcm-regs.c | 1 +
arch/arm/include/asm/omap_common.h | 2 ++
4 files changed, 32 insertions(+)
diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index ef23127..e26d741 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -212,6 +212,18 @@ static const struct dpll_params *get_ddr_dpll_params
return &dpll_data->ddr[sysclk_ind];
}
+#ifdef CONFIG_DRIVER_TI_CPSW
+static const struct dpll_params *get_gmac_dpll_params
+ (struct dplls const *dpll_data)
+{
+ u32 sysclk_ind = get_sys_clk_index();
+
+ if (!dpll_data->gmac)
+ return NULL;
+ return &dpll_data->gmac[sysclk_ind];
+}
+#endif
+
static void do_setup_dpll(u32 const base, const struct dpll_params *params,
u8 lock, char *dpll)
{
@@ -414,6 +426,12 @@ static void setup_dplls(void)
params = get_ddr_dpll_params(*dplls_data);
do_setup_dpll((*prcm)->cm_clkmode_dpll_ddrphy,
params, DPLL_LOCK, "ddr");
+
+#ifdef CONFIG_DRIVER_TI_CPSW
+ params = get_gmac_dpll_params(*dplls_data);
+ do_setup_dpll((*prcm)->cm_clkmode_dpll_gmac, params,
+ DPLL_LOCK, "gmac");
+#endif
}
#ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 56cf1f8..c909dcd 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -263,6 +263,16 @@ static const struct dpll_params ddr_dpll_params_2128mhz[NUM_SYS_CLKS] = {
{665, 23, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */
};
+static const struct dpll_params gmac_dpll_params_2000mhz[NUM_SYS_CLKS] = {
+ {250, 2, 4, 10, 40, 8, 10, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {250, 4, 4, 10, 40, 8, 10, -1, -1, -1, -1, -1}, /* 20 MHz */
+ {119, 1, 4, 10, 40, 8, 10, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {625, 11, 4, 10, 40, 8, 10, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {500, 12, 4, 10, 40, 8, 10, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {625, 23, 4, 10, 40, 8, 10, -1, -1, -1, -1, -1}, /* 38.4 MHz */
+};
+
struct dplls omap5_dplls_es1 = {
.mpu = mpu_dpll_params_800mhz,
.core = core_dpll_params_2128mhz_ddr532,
@@ -299,6 +309,7 @@ struct dplls dra7xx_dplls = {
.iva = iva_dpll_params_2330mhz_dra7xx,
.usb = usb_dpll_params_1920mhz,
.ddr = ddr_dpll_params_2128mhz,
+ .gmac = gmac_dpll_params_2000mhz,
};
struct pmic_data palmas = {
diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c
index e839ff5..7793763 100644
--- a/arch/arm/cpu/armv7/omap5/prcm-regs.c
+++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c
@@ -814,6 +814,7 @@ struct prcm_regs const dra7xx_prcm = {
.cm_ssc_deltamstep_dpll_ddrphy = 0x4a00522c,
.cm_clkmode_dpll_dsp = 0x4a005234,
.cm_shadow_freq_config1 = 0x4a005260,
+ .cm_clkmode_dpll_gmac = 0x4a0052a8,
/* cm1.mpu */
.cm_mpu_mpu_clkctrl = 0x4a005320,
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index 0dbe81b..8b4201b 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -89,6 +89,7 @@ struct prcm_regs {
u32 cm_ssc_deltamstep_dpll_ddrphy;
u32 cm_clkmode_dpll_dsp;
u32 cm_shadow_freq_config1;
+ u32 cm_clkmode_dpll_gmac;
u32 cm_mpu_mpu_clkctrl;
/* cm1.dsp */
@@ -499,6 +500,7 @@ struct dplls {
const struct dpll_params *iva;
const struct dpll_params *usb;
const struct dpll_params *ddr;
+ const struct dpll_params *gmac;
};
struct pmic_data {
--
1.7.9.5
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