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>

3 files changed, 94 insertions, 39 deletions

diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index c02d73cd8a..a183c34ea3 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 07a7556589..722916e036 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,
diff --git a/arch/arm/include/asm/arch-omap5/clocks.h b/arch/arm/include/asm/arch-omap5/clocks.h
index 55145bbee2..cf6022da2f 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
@@ -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;
 };