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

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>

1 files changed, 73 insertions, 36 deletions

diff --git a/arch/arm/cpu/armv7/omap5/clocks.c b/arch/arm/cpu/armv7/omap5/clocks.c
index 07a7556..722916e 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)
@@ -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,