[U-Boot] [PATCH 01/17] OMAP5: clocks: Change clock settings as required for ES1.0 silicon.
R Sricharan
r.sricharan at ti.com
Fri Feb 17 13:05:17 CET 2012
Aligning all the clock related settings like the dpll frequencies, their
respective clock outputs, etc to the ideal values recommended for
OMAP5430 ES1.0 silicon.
Signed-off-by: R Sricharan <r.sricharan at ti.com>
---
arch/arm/cpu/armv7/omap-common/clocks-common.c | 5 +
arch/arm/cpu/armv7/omap5/clocks.c | 107 ++++++++++++++++--------
arch/arm/include/asm/arch-omap5/clocks.h | 19 ++++-
3 files changed, 93 insertions(+), 38 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index 4cfe119..5e30cd4 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -245,6 +245,11 @@ void configure_mpu_dpll(void)
CM_CLKSEL_DCC_EN_MASK);
}
+ setbits_le32(&prcm->cm_mpu_mpu_clkctrl,
+ MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_MASK);
+ setbits_le32(&prcm->cm_mpu_mpu_clkctrl,
+ MPU_CLKCTRL_CLKSEL_ABE_DIV_MODE_MASK);
+
params = get_mpu_dpll_params();
do_setup_dpll(&prcm->cm_clkmode_dpll_mpu, params, DPLL_LOCK, "mpu");
diff --git a/arch/arm/cpu/armv7/omap5/clocks.c b/arch/arm/cpu/armv7/omap5/clocks.c
index dd882a2..b2768a4 100644
--- a/arch/arm/cpu/armv7/omap5/clocks.c
+++ b/arch/arm/cpu/armv7/omap5/clocks.c
@@ -88,6 +88,26 @@ static const struct dpll_params mpu_dpll_params_1100mhz[NUM_SYS_CLKS] = {
{1375, 47, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
+static const struct dpll_params mpu_dpll_params_800mhz[NUM_SYS_CLKS] = {
+ {200, 2, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {1000, 20, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {375, 8, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {400, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {375, 17, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
+static const struct dpll_params mpu_dpll_params_400mhz[NUM_SYS_CLKS] = {
+ {200, 2, 2, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {1000, 20, 2, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {375, 8, 2, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {400, 12, 2, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {375, 17, 2, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
static const struct dpll_params mpu_dpll_params_550mhz[NUM_SYS_CLKS] = {
{275, 2, 2, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
@@ -100,24 +120,24 @@ static const struct dpll_params mpu_dpll_params_550mhz[NUM_SYS_CLKS] = {
static const struct dpll_params
core_dpll_params_2128mhz_ddr532[NUM_SYS_CLKS] = {
- {266, 2, 1, 5, 8, 4, 62, 5, 5, 7}, /* 12 MHz */
+ {266, 2, 2, 5, 8, 4, 62, 5, 5, 7}, /* 12 MHz */
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
- {570, 8, 1, 5, 8, 4, 62, 5, 5, 7}, /* 16.8 MHz */
- {665, 11, 1, 5, 8, 4, 62, 5, 5, 7}, /* 19.2 MHz */
- {532, 12, 1, 5, 8, 4, 62, 5, 5, 7}, /* 26 MHz */
+ {570, 8, 2, 5, 8, 4, 62, 5, 5, 7}, /* 16.8 MHz */
+ {665, 11, 2, 5, 8, 4, 62, 5, 5, 7}, /* 19.2 MHz */
+ {532, 12, 2, 5, 8, 4, 62, 5, 5, 7}, /* 26 MHz */
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
- {665, 23, 1, 5, 8, 4, 62, 5, 5, 7} /* 38.4 MHz */
+ {665, 23, 2, 5, 8, 4, 62, 5, 5, 7} /* 38.4 MHz */
};
static const struct dpll_params
core_dpll_params_2128mhz_ddr266[NUM_SYS_CLKS] = {
- {266, 2, 2, 5, 8, 4, 62, 5, 5, 7}, /* 12 MHz */
+ {266, 2, 4, 5, 8, 8, 62, 10, 10, 14}, /* 12 MHz */
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
- {570, 8, 2, 5, 8, 4, 62, 5, 5, 7}, /* 16.8 MHz */
- {665, 11, 2, 5, 8, 4, 62, 5, 5, 7}, /* 19.2 MHz */
- {532, 12, 2, 5, 8, 4, 62, 5, 5, 7}, /* 26 MHz */
+ {570, 8, 4, 5, 8, 8, 62, 10, 10, 14}, /* 16.8 MHz */
+ {665, 11, 4, 5, 8, 8, 62, 10, 10, 14}, /* 19.2 MHz */
+ {532, 12, 4, 8, 8, 8, 62, 10, 10, 14}, /* 26 MHz */
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
- {665, 23, 2, 5, 8, 4, 62, 5, 5, 7} /* 38.4 MHz */
+ {665, 23, 4, 8, 8, 8, 62, 10, 10, 14} /* 38.4 MHz */
};
static const struct dpll_params per_dpll_params_768mhz[NUM_SYS_CLKS] = {
@@ -131,40 +151,40 @@ static const struct dpll_params per_dpll_params_768mhz[NUM_SYS_CLKS] = {
};
static const struct dpll_params iva_dpll_params_2330mhz[NUM_SYS_CLKS] = {
- {931, 11, -1, -1, 4, 7, -1, -1}, /* 12 MHz */
- {931, 12, -1, -1, 4, 7, -1, -1}, /* 13 MHz */
- {665, 11, -1, -1, 4, 7, -1, -1}, /* 16.8 MHz */
- {727, 14, -1, -1, 4, 7, -1, -1}, /* 19.2 MHz */
- {931, 25, -1, -1, 4, 7, -1, -1}, /* 26 MHz */
- {931, 26, -1, -1, 4, 7, -1, -1}, /* 27 MHz */
- {412, 16, -1, -1, 4, 7, -1, -1} /* 38.4 MHz */
+ {1165, 11, -1, -1, 5, 6, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {2011, 28, -1, -1, 5, 6, -1, -1, -1, -1}, /* 16.8 MHz */
+ {1881, 30, -1, -1, 5, 6, -1, -1, -1, -1}, /* 19.2 MHz */
+ {1165, 25, -1, -1, 5, 6, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {1972, 64, -1, -1, 5, 6, -1, -1, -1, -1} /* 38.4 MHz */
};
/* ABE M & N values with sys_clk as source */
static const struct dpll_params
abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = {
- {49, 5, 1, 1, -1, -1, -1, -1}, /* 12 MHz */
- {68, 8, 1, 1, -1, -1, -1, -1}, /* 13 MHz */
- {35, 5, 1, 1, -1, -1, -1, -1}, /* 16.8 MHz */
- {46, 8, 1, 1, -1, -1, -1, -1}, /* 19.2 MHz */
- {34, 8, 1, 1, -1, -1, -1, -1}, /* 26 MHz */
- {29, 7, 1, 1, -1, -1, -1, -1}, /* 27 MHz */
- {64, 24, 1, 1, -1, -1, -1, -1} /* 38.4 MHz */
+ {49, 5, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {35, 5, 1, 1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {46, 8, 1, 1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {34, 8, 1, 1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {64, 24, 1, 1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
/* ABE M & N values with 32K clock as source */
static const struct dpll_params abe_dpll_params_32k_196608khz = {
- 750, 0, 1, 1, -1, -1, -1, -1
+ 750, 0, 1, 1, -1, -1, -1, -1, -1, -1
};
static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = {
- {80, 0, 2, -1, -1, -1, -1, -1}, /* 12 MHz */
- {960, 12, 2, -1, -1, -1, -1, -1}, /* 13 MHz */
- {400, 6, 2, -1, -1, -1, -1, -1}, /* 16.8 MHz */
- {50, 0, 2, -1, -1, -1, -1, -1}, /* 19.2 MHz */
- {480, 12, 2, -1, -1, -1, -1, -1}, /* 26 MHz */
- {320, 8, 2, -1, -1, -1, -1, -1}, /* 27 MHz */
- {25, 0, 2, -1, -1, -1, -1, -1} /* 38.4 MHz */
+ {400, 4, 2, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {400, 6, 2, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {400, 7, 2, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {480, 12, 2, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {400, 15, 2, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
void setup_post_dividers(u32 *const base, const struct dpll_params *params)
@@ -193,7 +213,7 @@ void setup_post_dividers(u32 *const base, const struct dpll_params *params)
const struct dpll_params *get_mpu_dpll_params(void)
{
u32 sysclk_ind = get_sys_clk_index();
- return &mpu_dpll_params_1100mhz[sysclk_ind];
+ return &mpu_dpll_params_800mhz[sysclk_ind];
}
const struct dpll_params *get_core_dpll_params(void)
@@ -201,8 +221,7 @@ const struct dpll_params *get_core_dpll_params(void)
u32 sysclk_ind = get_sys_clk_index();
/* Configuring the DDR to be at 532mhz */
- return &core_dpll_params_2128mhz_ddr266[sysclk_ind];
-
+ return &core_dpll_params_2128mhz_ddr532[sysclk_ind];
}
const struct dpll_params *get_per_dpll_params(void)
@@ -306,6 +325,12 @@ void enable_basic_clocks(void)
setbits_le32(&prcm->cm_l3init_hsmmc2_clkctrl,
HSMMC_CLKCTRL_CLKSEL_MASK);
+ /* Set the correct clock dividers for mmc */
+ setbits_le32(&prcm->cm_l3init_hsmmc1_clkctrl,
+ HSMMC_CLKCTRL_CLKSEL_DIV_MASK);
+ setbits_le32(&prcm->cm_l3init_hsmmc2_clkctrl,
+ HSMMC_CLKCTRL_CLKSEL_DIV_MASK);
+
/* Select 32KHz clock as the source of GPTIMER1 */
setbits_le32(&prcm->cm_wkup_gptimer1_clkctrl,
GPTIMER1_CLKCTRL_CLKSEL_MASK);
@@ -314,6 +339,18 @@ void enable_basic_clocks(void)
clk_modules_hw_auto_essential,
clk_modules_explicit_en_essential,
1);
+
+ /* Select 384Mhz for GPU as its the POR for ES1.0 */
+ setbits_le32(&prcm->cm_sgx_sgx_clkctrl,
+ CLKSEL_GPU_HYD_GCLK_MASK);
+ setbits_le32(&prcm->cm_sgx_sgx_clkctrl,
+ CLKSEL_GPU_CORE_GCLK_MASK);
+
+ /* Enable SCRM OPT clocks for PER and CORE dpll */
+ setbits_le32(&prcm->cm_wkupaon_scrm_clkctrl,
+ OPTFCLKEN_SCRM_PER_MASK);
+ setbits_le32(&prcm->cm_wkupaon_scrm_clkctrl,
+ OPTFCLKEN_SCRM_CORE_MASK);
}
void enable_basic_uboot_clocks(void)
diff --git a/arch/arm/include/asm/arch-omap5/clocks.h b/arch/arm/include/asm/arch-omap5/clocks.h
index d0e6dd6..faed887 100644
--- a/arch/arm/include/asm/arch-omap5/clocks.h
+++ b/arch/arm/include/asm/arch-omap5/clocks.h
@@ -473,9 +473,11 @@ struct omap5_prcm_regs {
u32 cm_wkup_rtc_clkctrl; /* 4ae07880 */
u32 pad214; /* 4ae07884 */
u32 cm_wkup_bandgap_clkctrl; /* 4ae07888 */
- u32 pad215[197]; /* 4ae0788c */
+ u32 pad215[1]; /* 4ae0788c */
+ u32 cm_wkupaon_scrm_clkctrl; /* 4ae07890 */
+ u32 pad216[195];
u32 prm_vc_val_bypass; /* 4ae07ba0 */
- u32 pad216[4];
+ u32 pad217[4];
u32 prm_vc_cfg_i2c_mode; /* 4ae07bb4 */
u32 prm_vc_cfg_i2c_clk; /* 4ae07bb8 */
};
@@ -514,6 +516,10 @@ struct omap5_prcm_regs {
/* CM_IDLEST_DPLL fields */
#define ST_DPLL_CLK_MASK 1
+/* SGX */
+#define CLKSEL_GPU_HYD_GCLK_MASK (1 << 25)
+#define CLKSEL_GPU_CORE_GCLK_MASK (1 << 24)
+
/* CM_CLKSEL_DPLL */
#define CM_CLKSEL_DPLL_DPLL_SD_DIV_SHIFT 24
#define CM_CLKSEL_DPLL_DPLL_SD_DIV_MASK (0xFF << 24)
@@ -591,6 +597,7 @@ struct omap5_prcm_regs {
/* CM_L3INIT_HSMMCn_CLKCTRL */
#define HSMMC_CLKCTRL_CLKSEL_MASK (1 << 24)
+#define HSMMC_CLKCTRL_CLKSEL_DIV_MASK (1 << 25)
/* CM_WKUP_GPTIMER1_CLKCTRL */
#define GPTIMER1_CLKCTRL_CLKSEL_MASK (1 << 24)
@@ -610,6 +617,12 @@ struct omap5_prcm_regs {
#define MPU_CLKCTRL_CLKSEL_ABE_DIV_MODE_SHIFT 25
#define MPU_CLKCTRL_CLKSEL_ABE_DIV_MODE_MASK (1 << 25)
+/* CM_WKUPAON_SCRM_CLKCTRL */
+#define OPTFCLKEN_SCRM_PER_SHIFT 9
+#define OPTFCLKEN_SCRM_PER_MASK (1 << 9)
+#define OPTFCLKEN_SCRM_CORE_SHIFT 8
+#define OPTFCLKEN_SCRM_CORE_MASK (1 << 8)
+
/* Clock frequencies */
#define OMAP_SYS_CLK_FREQ_38_4_MHZ 38400000
#define OMAP_SYS_CLK_IND_38_4_MHZ 6
@@ -677,7 +690,7 @@ struct dpll_regs {
u32 cm_div_h12_dpll;
u32 cm_div_h13_dpll;
u32 cm_div_h14_dpll;
- u32 reserved[2];
+ u32 reserved[3];
u32 cm_div_h22_dpll;
u32 cm_div_h23_dpll;
};
--
1.7.1
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