ARM: DRA72: DDR3: Add emif settings for 666MHz clock
On DRA72x, EMIF supports DDR3 upto 667MHz.
Adding the required settings for DDR3 at 666MHz and enabling it.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index ed89f85..0257383 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -227,6 +227,16 @@
{400, 15, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */
};
+static const struct dpll_params ddr_dpll_params_2664mhz[NUM_SYS_CLKS] = {
+ {111, 0, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {333, 4, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */
+ {555, 6, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {555, 7, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {666, 12, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {555, 15, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */
+};
+
static const struct dpll_params ddr_dpll_params_2128mhz[NUM_SYS_CLKS] = {
{266, 2, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{266, 4, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */
@@ -286,6 +296,17 @@
.gmac = gmac_dpll_params_2000mhz,
};
+struct dplls dra72x_dplls = {
+ .mpu = mpu_dpll_params_1ghz,
+ .core = core_dpll_params_2128mhz_dra7xx,
+ .per = per_dpll_params_768mhz_dra7xx,
+ .abe = abe_dpll_params_sysclk2_361267khz,
+ .iva = iva_dpll_params_2330mhz_dra7xx,
+ .usb = usb_dpll_params_1920mhz,
+ .ddr = ddr_dpll_params_2664mhz,
+ .gmac = gmac_dpll_params_2000mhz,
+};
+
struct pmic_data palmas = {
.base_offset = PALMAS_SMPS_BASE_VOLT_UV,
.step = 10000, /* 10 mV represented in uV */
@@ -560,6 +581,18 @@
.ctrl_ddr_ctrl_ext_0 = 0xA2000000,
};
+const struct ctrl_ioregs ioregs_dra72x_es1 = {
+ .ctrl_ddrch = 0x40404040,
+ .ctrl_lpddr2ch = 0x40404040,
+ .ctrl_ddr3ch = 0x60606080,
+ .ctrl_ddrio_0 = 0xA2084210,
+ .ctrl_ddrio_1 = 0x84210840,
+ .ctrl_ddrio_2 = 0x84210000,
+ .ctrl_emif_sdram_config_ext = 0x0001C1A7,
+ .ctrl_emif_sdram_config_ext_final = 0x0001C1A7,
+ .ctrl_ddr_ctrl_ext_0 = 0xA2000000,
+};
+
void hw_data_init(void)
{
u32 omap_rev = omap_revision();
@@ -592,7 +625,7 @@
case DRA722_ES1_0:
*prcm = &dra7xx_prcm;
- *dplls_data = &dra7xx_dplls;
+ *dplls_data = &dra72x_dplls;
*omap_vcores = &dra722_volts;
*ctrl = &dra7xx_ctrl;
break;
@@ -619,9 +652,11 @@
break;
case DRA752_ES1_0:
case DRA752_ES1_1:
- case DRA722_ES1_0:
*regs = &ioregs_dra7xx_es1;
break;
+ case DRA722_ES1_0:
+ *regs = &ioregs_dra72x_es1;
+ break;
default:
printf("\n INVALID OMAP REVISION ");