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authorLokesh Vutla <lokeshvutla@ti.com>2013-07-08 16:04:39 +0530
committerTom Rini <trini@ti.com>2013-07-26 16:39:11 -0400
commit65e9d56fb9ce9cfd7ffff7afaa6b7de50e400e06 (patch)
tree2e94e0403d687c369e9b38e10bb23ee4e3747331 /arch
parent454ac635257f78a369015bde7795ddf979d64e12 (diff)
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ARM: DRA7xx: Lock DPLL_GMAC
Locking DPLL_GMAC [mugunthanvnm@ti.com:Configure only if CPSW is selected] Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/omap-common/clocks-common.c18
-rw-r--r--arch/arm/cpu/armv7/omap5/hw_data.c11
-rw-r--r--arch/arm/cpu/armv7/omap5/prcm-regs.c1
-rw-r--r--arch/arm/include/asm/omap_common.h2
4 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index 20fa678..7580594 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -196,6 +196,18 @@ 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)
{
@@ -398,6 +410,12 @@ 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 ea3554d..c21674a 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -247,6 +247,16 @@ 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,
@@ -283,6 +293,7 @@ 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 54d8c2b..b0416ad 100644
--- a/arch/arm/cpu/armv7/omap5/prcm-regs.c
+++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c
@@ -798,6 +798,7 @@ 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 b56e949..ad27db2 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -73,6 +73,7 @@ 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 */
@@ -483,6 +484,7 @@ 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 {