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OMAP5: clocks: Change clock settings as required for ES1.0 silicon.

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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@ti.com>
master
SRICHARAN R 13 years ago committed by Albert ARIBAUD
parent dc7a9e64bf
commit 5f14d9197e
3 changed files with 94 additions and 39 deletions
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  1. 5
      arch/arm/cpu/armv7/omap-common/clocks-common.c
  2. 109
      arch/arm/cpu/armv7/omap5/clocks.c
  3. 19
      arch/arm/include/asm/arch-omap5/clocks.h

5
arch/arm/cpu/armv7/omap-common/clocks-common.c
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@ -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");

109
arch/arm/cpu/armv7/omap5/clocks.c
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@ -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)
@ -371,6 +408,7 @@ void enable_non_essential_clocks(void)
&prcm->cm_l3instr_intrconn_wp1_clkctrl,
&prcm->cm_l3init_hsi_clkctrl,
&prcm->cm_l3init_hsusbtll_clkctrl,
&prcm->cm_l4per_hdq1w_clkctrl,
0
};
@ -393,7 +431,6 @@ void enable_non_essential_clocks(void)
&prcm->cm_l4per_gptimer11_clkctrl,
&prcm->cm_l4per_gptimer3_clkctrl,
&prcm->cm_l4per_gptimer4_clkctrl,
&prcm->cm_l4per_hdq1w_clkctrl,
&prcm->cm_l4per_mcspi2_clkctrl,
&prcm->cm_l4per_mcspi3_clkctrl,
&prcm->cm_l4per_mcspi4_clkctrl,

19
arch/arm/include/asm/arch-omap5/clocks.h
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@ -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
@ -663,7 +676,7 @@ 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;
};

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