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-rw-r--r--src/cpu/samsung/exynos5250/clock.c113
-rw-r--r--src/cpu/samsung/exynos5250/clock_init.c753
-rw-r--r--src/cpu/samsung/exynos5250/clock_init.h103
-rw-r--r--src/cpu/samsung/exynos5250/dmc.h98
-rw-r--r--src/cpu/samsung/s5p-common/s5p_gpio.c1
-rw-r--r--src/mainboard/google/snow/Makefile.inc6
-rw-r--r--src/mainboard/google/snow/bootblock.c394
-rw-r--r--src/mainboard/google/snow/mainboard.c52
-rw-r--r--src/mainboard/google/snow/mainboard.h38
-rw-r--r--src/mainboard/google/snow/memory.c494
-rw-r--r--src/mainboard/google/snow/romstage.c31
11 files changed, 827 insertions, 1256 deletions
diff --git a/src/cpu/samsung/exynos5250/clock.c b/src/cpu/samsung/exynos5250/clock.c
index 0250d77a28..fc01387125 100644
--- a/src/cpu/samsung/exynos5250/clock.c
+++ b/src/cpu/samsung/exynos5250/clock.c
@@ -26,17 +26,107 @@
#include <stdlib.h>
//#include <fdtdec.h>
#include <arch/io.h>
-//#include <asm/arch/clock.h>
-//#include <asm/arch/clk.h>
-#include <cpu/samsung/exynos5-common/clk.h>
#include <cpu/samsung/exynos5250/clk.h>
+#include <cpu/samsung/exynos5250/clock_init.h>
#include <cpu/samsung/exynos5250/cpu.h>
-#include <cpu/samsung/exynos5250/periph.h>
#include <cpu/samsung/s5p-common/clk.h>
/* input clock of PLL: SMDK5250 has 24MHz input clock */
#define CONFIG_SYS_CLK_FREQ 24000000
+struct arm_clk_ratios arm_clk_ratios[] = {
+ {
+ .arm_freq_mhz = 600,
+
+ .apll_mdiv = 0xc8,
+ .apll_pdiv = 0x4,
+ .apll_sdiv = 0x1,
+
+ .arm2_ratio = 0x0,
+ .apll_ratio = 0x1,
+ .pclk_dbg_ratio = 0x1,
+ .atb_ratio = 0x2,
+ .periph_ratio = 0x7,
+ .acp_ratio = 0x7,
+ .cpud_ratio = 0x1,
+ .arm_ratio = 0x0,
+ }, {
+ .arm_freq_mhz = 800,
+
+ .apll_mdiv = 0x64,
+ .apll_pdiv = 0x3,
+ .apll_sdiv = 0x0,
+
+ .arm2_ratio = 0x0,
+ .apll_ratio = 0x1,
+ .pclk_dbg_ratio = 0x1,
+ .atb_ratio = 0x3,
+ .periph_ratio = 0x7,
+ .acp_ratio = 0x7,
+ .cpud_ratio = 0x2,
+ .arm_ratio = 0x0,
+ }, {
+ .arm_freq_mhz = 1000,
+
+ .apll_mdiv = 0x7d,
+ .apll_pdiv = 0x3,
+ .apll_sdiv = 0x0,
+
+ .arm2_ratio = 0x0,
+ .apll_ratio = 0x1,
+ .pclk_dbg_ratio = 0x1,
+ .atb_ratio = 0x4,
+ .periph_ratio = 0x7,
+ .acp_ratio = 0x7,
+ .cpud_ratio = 0x2,
+ .arm_ratio = 0x0,
+ }, {
+ .arm_freq_mhz = 1200,
+
+ .apll_mdiv = 0x96,
+ .apll_pdiv = 0x3,
+ .apll_sdiv = 0x0,
+
+ .arm2_ratio = 0x0,
+ .apll_ratio = 0x3,
+ .pclk_dbg_ratio = 0x1,
+ .atb_ratio = 0x5,
+ .periph_ratio = 0x7,
+ .acp_ratio = 0x7,
+ .cpud_ratio = 0x3,
+ .arm_ratio = 0x0,
+ }, {
+ .arm_freq_mhz = 1400,
+
+ .apll_mdiv = 0xaf,
+ .apll_pdiv = 0x3,
+ .apll_sdiv = 0x0,
+
+ .arm2_ratio = 0x0,
+ .apll_ratio = 0x3,
+ .pclk_dbg_ratio = 0x1,
+ .atb_ratio = 0x6,
+ .periph_ratio = 0x7,
+ .acp_ratio = 0x7,
+ .cpud_ratio = 0x3,
+ .arm_ratio = 0x0,
+ }, {
+ .arm_freq_mhz = 1700,
+
+ .apll_mdiv = 0x1a9,
+ .apll_pdiv = 0x6,
+ .apll_sdiv = 0x0,
+
+ .arm2_ratio = 0x0,
+ .apll_ratio = 0x3,
+ .pclk_dbg_ratio = 0x1,
+ .atb_ratio = 0x6,
+ .periph_ratio = 0x7,
+ .acp_ratio = 0x7,
+ .cpud_ratio = 0x3,
+ .arm_ratio = 0x0,
+ }
+};
/* src_bit div_bit prediv_bit */
static struct clk_bit_info clk_bit_info[PERIPH_ID_COUNT] = {
@@ -269,6 +359,21 @@ unsigned long get_arm_clk(void)
return armclk;
}
+struct arm_clk_ratios *get_arm_clk_ratios(void)
+{
+ struct arm_clk_ratios *arm_ratio;
+ unsigned long arm_freq = 1700; /* FIXME: use get_arm_clk() */
+ int i;
+
+ for (i = 0, arm_ratio = arm_clk_ratios; i < ARRAY_SIZE(arm_clk_ratios);
+ i++, arm_ratio++) {
+ if (arm_ratio->arm_freq_mhz == arm_freq)
+ return arm_ratio;
+ }
+
+ return NULL;
+}
+
/* exynos5: set the mmc clock */
void set_mmc_clk(int dev_index, unsigned int div)
{
diff --git a/src/cpu/samsung/exynos5250/clock_init.c b/src/cpu/samsung/exynos5250/clock_init.c
index 53bab1a53a..4f21022fd1 100644
--- a/src/cpu/samsung/exynos5250/clock_init.c
+++ b/src/cpu/samsung/exynos5250/clock_init.c
@@ -29,772 +29,27 @@
#include <console/console.h>
-#include <cpu/samsung/exynos5-common/spl.h>
+/* FIXME: remove unneeded #includes */
#include <cpu/samsung/exynos5250/clk.h>
+#include <cpu/samsung/exynos5250/clock_init.h>
#include <cpu/samsung/exynos5250/cpu.h>
#include <cpu/samsung/exynos5250/dmc.h>
#include <cpu/samsung/exynos5250/s5p-dp.h>
#include <cpu/samsung/s5p-common/clk.h>
-#include "clock_init.h"
#include "setup.h"
-struct arm_clk_ratios arm_clk_ratios[] = {
- {
- .arm_freq_mhz = 600,
-
- .apll_mdiv = 0xc8,
- .apll_pdiv = 0x4,
- .apll_sdiv = 0x1,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x1,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x2,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x1,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 800,
-
- .apll_mdiv = 0x64,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x1,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x3,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x2,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1000,
-
- .apll_mdiv = 0x7d,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x1,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x4,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x2,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1200,
-
- .apll_mdiv = 0x96,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x3,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x5,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x3,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1400,
-
- .apll_mdiv = 0xaf,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x3,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x6,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x3,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1700,
-
- .apll_mdiv = 0x1a9,
- .apll_pdiv = 0x6,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x3,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x6,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x3,
- .arm_ratio = 0x0,
- }
-};
-
-struct mem_timings mem_timings[] = {
- {
- .mem_manuf = MEM_MANUF_ELPIDA,
- .mem_type = DDR_MODE_DDR3,
- .frequency_mhz = 800,
- .mpll_mdiv = 0x64,
- .mpll_pdiv = 0x3,
- .mpll_sdiv = 0x0,
- .cpll_mdiv = 0xde,
- .cpll_pdiv = 0x4,
- .cpll_sdiv = 0x2,
- .gpll_mdiv = 0x215,
- .gpll_pdiv = 0xc,
- .gpll_sdiv = 0x1,
- .epll_mdiv = 0x60,
- .epll_pdiv = 0x3,
- .epll_sdiv = 0x3,
- .vpll_mdiv = 0x96,
- .vpll_pdiv = 0x3,
- .vpll_sdiv = 0x2,
-
- .bpll_mdiv = 0x64,
- .bpll_pdiv = 0x3,
- .bpll_sdiv = 0x0,
- .use_bpll = 0,
- .pclk_cdrex_ratio = 0x5,
- .direct_cmd_msr = {
- 0x00020018, 0x00030000, 0x00010042, 0x00000d70
- },
- .timing_ref = 0x000000bb,
- .timing_row = 0x8c36660f,
- .timing_data = 0x3630580b,
- .timing_power = 0x41000a44,
- .phy0_dqs = 0x08080808,
- .phy1_dqs = 0x08080808,
- .phy0_dq = 0x08080808,
- .phy1_dq = 0x08080808,
- .phy0_tFS = 0x4,
- .phy1_tFS = 0x4,
- .phy0_pulld_dqs = 0xf,
- .phy1_pulld_dqs = 0xf,
-
- .lpddr3_ctrl_phy_reset = 0x1,
- .ctrl_start_point = 0x10,
- .ctrl_inc = 0x10,
- .ctrl_start = 0x1,
- .ctrl_dll_on = 0x1,
- .ctrl_ref = 0x8,
-
- .ctrl_force = 0x1a,
- .ctrl_rdlat = 0x0b,
- .ctrl_bstlen = 0x08,
-
- .fp_resync = 0x8,
- .iv_size = 0x7,
- .dfi_init_start = 1,
- .aref_en = 1,
-
- .rd_fetch = 0x3,
-
- .zq_mode_dds = 0x7,
- .zq_mode_term = 0x1,
- .zq_mode_noterm = 0,
-
- /*
- * Dynamic Clock: Always Running
- * Memory Burst length: 8
- * Number of chips: 1
- * Memory Bus width: 32 bit
- * Memory Type: DDR3
- * Additional Latancy for PLL: 0 Cycle
- */
- .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
- DMC_MEMCONTROL_DPWRDN_DISABLE |
- DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
- DMC_MEMCONTROL_TP_DISABLE |
- DMC_MEMCONTROL_DSREF_ENABLE |
- DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
- DMC_MEMCONTROL_MEM_TYPE_DDR3 |
- DMC_MEMCONTROL_MEM_WIDTH_32BIT |
- DMC_MEMCONTROL_NUM_CHIP_1 |
- DMC_MEMCONTROL_BL_8 |
- DMC_MEMCONTROL_PZQ_DISABLE |
- DMC_MEMCONTROL_MRR_BYTE_7_0,
- .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
- DMC_MEMCONFIGx_CHIP_COL_10 |
- DMC_MEMCONFIGx_CHIP_ROW_15 |
- DMC_MEMCONFIGx_CHIP_BANK_8,
- .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
- .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
- .prechconfig_tp_cnt = 0xff,
- .dpwrdn_cyc = 0xff,
- .dsref_cyc = 0xffff,
- .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
- DMC_CONCONTROL_TIMEOUT_LEVEL0 |
- DMC_CONCONTROL_RD_FETCH_DISABLE |
- DMC_CONCONTROL_EMPTY_DISABLE |
- DMC_CONCONTROL_AREF_EN_DISABLE |
- DMC_CONCONTROL_IO_PD_CON_DISABLE,
- .dmc_channels = 2,
- .chips_per_channel = 2,
- .chips_to_configure = 1,
- .send_zq_init = 1,
- .impedance = IMP_OUTPUT_DRV_30_OHM,
- .gate_leveling_enable = 0,
- }, {
- .mem_manuf = MEM_MANUF_SAMSUNG,
- .mem_type = DDR_MODE_DDR3,
- .frequency_mhz = 800,
- .mpll_mdiv = 0x64,
- .mpll_pdiv = 0x3,
- .mpll_sdiv = 0x0,
- .cpll_mdiv = 0xde,
- .cpll_pdiv = 0x4,
- .cpll_sdiv = 0x2,
- .gpll_mdiv = 0x215,
- .gpll_pdiv = 0xc,
- .gpll_sdiv = 0x1,
- .epll_mdiv = 0x60,
- .epll_pdiv = 0x3,
- .epll_sdiv = 0x3,
- .vpll_mdiv = 0x96,
- .vpll_pdiv = 0x3,
- .vpll_sdiv = 0x2,
-
- .bpll_mdiv = 0x64,
- .bpll_pdiv = 0x3,
- .bpll_sdiv = 0x0,
- .use_bpll = 0,
- .pclk_cdrex_ratio = 0x5,
- .direct_cmd_msr = {
- 0x00020018, 0x00030000, 0x00010000, 0x00000d70
- },
- .timing_ref = 0x000000bb,
- .timing_row = 0x8c36660f,
- .timing_data = 0x3630580b,
- .timing_power = 0x41000a44,
- .phy0_dqs = 0x08080808,
- .phy1_dqs = 0x08080808,
- .phy0_dq = 0x08080808,
- .phy1_dq = 0x08080808,
- .phy0_tFS = 0x8,
- .phy1_tFS = 0x8,
- .phy0_pulld_dqs = 0xf,
- .phy1_pulld_dqs = 0xf,
-
- .lpddr3_ctrl_phy_reset = 0x1,
- .ctrl_start_point = 0x10,
- .ctrl_inc = 0x10,
- .ctrl_start = 0x1,
- .ctrl_dll_on = 0x1,
- .ctrl_ref = 0x8,
-
- .ctrl_force = 0x1a,
- .ctrl_rdlat = 0x0b,
- .ctrl_bstlen = 0x08,
-
- .fp_resync = 0x8,
- .iv_size = 0x7,
- .dfi_init_start = 1,
- .aref_en = 1,
-
- .rd_fetch = 0x3,
-
- .zq_mode_dds = 0x5,
- .zq_mode_term = 0x1,
- .zq_mode_noterm = 1,
-
- /*
- * Dynamic Clock: Always Running
- * Memory Burst length: 8
- * Number of chips: 1
- * Memory Bus width: 32 bit
- * Memory Type: DDR3
- * Additional Latancy for PLL: 0 Cycle
- */
- .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
- DMC_MEMCONTROL_DPWRDN_DISABLE |
- DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
- DMC_MEMCONTROL_TP_DISABLE |
- DMC_MEMCONTROL_DSREF_ENABLE |
- DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
- DMC_MEMCONTROL_MEM_TYPE_DDR3 |
- DMC_MEMCONTROL_MEM_WIDTH_32BIT |
- DMC_MEMCONTROL_NUM_CHIP_1 |
- DMC_MEMCONTROL_BL_8 |
- DMC_MEMCONTROL_PZQ_DISABLE |
- DMC_MEMCONTROL_MRR_BYTE_7_0,
- .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
- DMC_MEMCONFIGx_CHIP_COL_10 |
- DMC_MEMCONFIGx_CHIP_ROW_15 |
- DMC_MEMCONFIGx_CHIP_BANK_8,
- .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
- .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
- .prechconfig_tp_cnt = 0xff,
- .dpwrdn_cyc = 0xff,
- .dsref_cyc = 0xffff,
- .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
- DMC_CONCONTROL_TIMEOUT_LEVEL0 |
- DMC_CONCONTROL_RD_FETCH_DISABLE |
- DMC_CONCONTROL_EMPTY_DISABLE |
- DMC_CONCONTROL_AREF_EN_DISABLE |
- DMC_CONCONTROL_IO_PD_CON_DISABLE,
- .dmc_channels = 2,
- .chips_per_channel = 2,
- .chips_to_configure = 1,
- .send_zq_init = 1,
- .impedance = IMP_OUTPUT_DRV_40_OHM,
- .gate_leveling_enable = 1,
- },
- {
- .mem_manuf = MEM_MANUF_ELPIDA,
- .mem_type = DDR_MODE_DDR3,
- .frequency_mhz = 780,
- .mpll_mdiv = 0x64,
- .mpll_pdiv = 0x3,
- .mpll_sdiv = 0x0,
- .cpll_mdiv = 0xde,
- .cpll_pdiv = 0x4,
- .cpll_sdiv = 0x2,
- .gpll_mdiv = 0x215,
- .gpll_pdiv = 0xc,
- .gpll_sdiv = 0x1,
- .epll_mdiv = 0x60,
- .epll_pdiv = 0x3,
- .epll_sdiv = 0x3,
- .vpll_mdiv = 0x96,
- .vpll_pdiv = 0x3,
- .vpll_sdiv = 0x2,
-
- .bpll_mdiv = 0x82,
- .bpll_pdiv = 0x4,
- .bpll_sdiv = 0x0,
- .use_bpll = 1,
- .pclk_cdrex_ratio = 0x5,
- .direct_cmd_msr = {
- 0x00020018, 0x00030000, 0x00010042, 0x00000d70
- },
- .timing_ref = 0x000000bb,
- .timing_row = 0x8c36660f,
- .timing_data = 0x3630580b,
- .timing_power = 0x41000a44,
- .phy0_dqs = 0x08080808,
- .phy1_dqs = 0x08080808,
- .phy0_dq = 0x08080808,
- .phy1_dq = 0x08080808,
- .phy0_tFS = 0x4,
- .phy1_tFS = 0x4,
- .phy0_pulld_dqs = 0xf,
- .phy1_pulld_dqs = 0xf,
-
- .lpddr3_ctrl_phy_reset = 0x1,
- .ctrl_start_point = 0x10,
- .ctrl_inc = 0x10,
- .ctrl_start = 0x1,
- .ctrl_dll_on = 0x1,
- .ctrl_ref = 0x8,
-
- .ctrl_force = 0x1a,
- .ctrl_rdlat = 0x0b,
- .ctrl_bstlen = 0x08,
-
- .fp_resync = 0x8,
- .iv_size = 0x7,
- .dfi_init_start = 1,
- .aref_en = 1,
-
- .rd_fetch = 0x3,
-
- .zq_mode_dds = 0x7,
- .zq_mode_term = 0x1,
- .zq_mode_noterm = 0,
-
- /*
- * Dynamic Clock: Always Running
- * Memory Burst length: 8
- * Number of chips: 1
- * Memory Bus width: 32 bit
- * Memory Type: DDR3
- * Additional Latancy for PLL: 0 Cycle
- */
- .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
- DMC_MEMCONTROL_DPWRDN_DISABLE |
- DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
- DMC_MEMCONTROL_TP_DISABLE |
- DMC_MEMCONTROL_DSREF_ENABLE |
- DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
- DMC_MEMCONTROL_MEM_TYPE_DDR3 |
- DMC_MEMCONTROL_MEM_WIDTH_32BIT |
- DMC_MEMCONTROL_NUM_CHIP_1 |
- DMC_MEMCONTROL_BL_8 |
- DMC_MEMCONTROL_PZQ_DISABLE |
- DMC_MEMCONTROL_MRR_BYTE_7_0,
- .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
- DMC_MEMCONFIGx_CHIP_COL_10 |
- DMC_MEMCONFIGx_CHIP_ROW_15 |
- DMC_MEMCONFIGx_CHIP_BANK_8,
- .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
- .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
- .prechconfig_tp_cnt = 0xff,
- .dpwrdn_cyc = 0xff,
- .dsref_cyc = 0xffff,
- .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
- DMC_CONCONTROL_TIMEOUT_LEVEL0 |
- DMC_CONCONTROL_RD_FETCH_DISABLE |
- DMC_CONCONTROL_EMPTY_DISABLE |
- DMC_CONCONTROL_AREF_EN_DISABLE |
- DMC_CONCONTROL_IO_PD_CON_DISABLE,
- .dmc_channels = 2,
- .chips_per_channel = 2,
- .chips_to_configure = 1,
- .send_zq_init = 1,
- .impedance = IMP_OUTPUT_DRV_30_OHM,
- .gate_leveling_enable = 0,
- }, {
- .mem_manuf = MEM_MANUF_SAMSUNG,
- .mem_type = DDR_MODE_DDR3,
- .frequency_mhz = 780,
- .mpll_mdiv = 0x64,
- .mpll_pdiv = 0x3,
- .mpll_sdiv = 0x0,
- .cpll_mdiv = 0xde,
- .cpll_pdiv = 0x4,
- .cpll_sdiv = 0x2,
- .gpll_mdiv = 0x215,
- .gpll_pdiv = 0xc,
- .gpll_sdiv = 0x1,
- .epll_mdiv = 0x60,
- .epll_pdiv = 0x3,
- .epll_sdiv = 0x3,
- .vpll_mdiv = 0x96,
- .vpll_pdiv = 0x3,
- .vpll_sdiv = 0x2,
-
- .bpll_mdiv = 0x82,
- .bpll_pdiv = 0x4,
- .bpll_sdiv = 0x0,
- .use_bpll = 1,
- .pclk_cdrex_ratio = 0x5,
- .direct_cmd_msr = {
- 0x00020018, 0x00030000, 0x00010000, 0x00000d70
- },
- .timing_ref = 0x000000bb,
- .timing_row = 0x8c36660f,
- .timing_data = 0x3630580b,
- .timing_power = 0x41000a44,
- .phy0_dqs = 0x08080808,
- .phy1_dqs = 0x08080808,
- .phy0_dq = 0x08080808,
- .phy1_dq = 0x08080808,
- .phy0_tFS = 0x8,
- .phy1_tFS = 0x8,
- .phy0_pulld_dqs = 0xf,
- .phy1_pulld_dqs = 0xf,
-
- .lpddr3_ctrl_phy_reset = 0x1,
- .ctrl_start_point = 0x10,
- .ctrl_inc = 0x10,
- .ctrl_start = 0x1,
- .ctrl_dll_on = 0x1,
- .ctrl_ref = 0x8,
-
- .ctrl_force = 0x1a,
- .ctrl_rdlat = 0x0b,
- .ctrl_bstlen = 0x08,
-
- .fp_resync = 0x8,
- .iv_size = 0x7,
- .dfi_init_start = 1,
- .aref_en = 1,
-
- .rd_fetch = 0x3,
-
- .zq_mode_dds = 0x5,
- .zq_mode_term = 0x1,
- .zq_mode_noterm = 1,
-
- /*
- * Dynamic Clock: Always Running
- * Memory Burst length: 8
- * Number of chips: 1
- * Memory Bus width: 32 bit
- * Memory Type: DDR3
- * Additional Latancy for PLL: 0 Cycle
- */
- .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
- DMC_MEMCONTROL_DPWRDN_DISABLE |
- DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
- DMC_MEMCONTROL_TP_DISABLE |
- DMC_MEMCONTROL_DSREF_ENABLE |
- DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
- DMC_MEMCONTROL_MEM_TYPE_DDR3 |
- DMC_MEMCONTROL_MEM_WIDTH_32BIT |
- DMC_MEMCONTROL_NUM_CHIP_1 |
- DMC_MEMCONTROL_BL_8 |
- DMC_MEMCONTROL_PZQ_DISABLE |
- DMC_MEMCONTROL_MRR_BYTE_7_0,
- .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
- DMC_MEMCONFIGx_CHIP_COL_10 |
- DMC_MEMCONFIGx_CHIP_ROW_15 |
- DMC_MEMCONFIGx_CHIP_BANK_8,
- .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
- .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
- .prechconfig_tp_cnt = 0xff,
- .dpwrdn_cyc = 0xff,
- .dsref_cyc = 0xffff,
- .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
- DMC_CONCONTROL_TIMEOUT_LEVEL0 |
- DMC_CONCONTROL_RD_FETCH_DISABLE |
- DMC_CONCONTROL_EMPTY_DISABLE |
- DMC_CONCONTROL_AREF_EN_DISABLE |
- DMC_CONCONTROL_IO_PD_CON_DISABLE,
- .dmc_channels = 2,
- .chips_per_channel = 2,
- .chips_to_configure = 1,
- .send_zq_init = 1,
- .impedance = IMP_OUTPUT_DRV_40_OHM,
- .gate_leveling_enable = 1,
- }
-};
-
-/**
- * Detect what memory is present based on board strappings
- *
- * Boards have various resistor stuff options that are supposed to match
- * which SDRAM is present (and which revision of the board this is). This
- * uses the resistor stuff options to figure out what memory manufacturer
- * to use for matching in the memory tables.
- *
- * @return A MEM_MANUF_XXX constant, or -1 if an error occurred.
- */
-/*
- * FIXME(dhendrix): This unwinds into a mess of board-specific code. The
- * board's romstage.c file should detect the memory type and pass in
- * appropriate parameters to whatever calls this.
- */
-#define BOARD_REV_ELPIDA_MEMORY 3
-#define BOARD_REV_SAMSUNG_MEMORY 4
-
-static inline int board_get_revision(void)
-{
- /* FIXME: yuck! */
- return BOARD_REV_ELPIDA_MEMORY;
-}
-
-static int autodetect_memory(void)
-{
- int board_rev = board_get_revision();
-
- if (board_rev == -1)
- return -1;
-
- switch (board_rev) {
- case BOARD_REV_SAMSUNG_MEMORY:
- return MEM_MANUF_SAMSUNG;
- case BOARD_REV_ELPIDA_MEMORY:
- return MEM_MANUF_ELPIDA;
- }
-
- return -1;
-}
-
-#ifdef CONFIG_SPL_BUILD
-
-#define SIGNATURE 0xdeadbeef
-
-/* Parameters of early board initialization in SPL */
-static struct spl_machine_param machine_param = {
- .signature = SIGNATURE,
- .version = 1,
- .params = "vmubfasirMw",
- .size = sizeof(machine_param),
-
- .mem_iv_size = 0x1f,
- .mem_type = DDR_MODE_DDR3,
-
- /*
- * Set uboot_size to 0x100000 bytes.
- *
- * This is an overly conservative value chosen to accommodate all
- * possible U-Boot image. You are advised to set this value to a
- * smaller realistic size via scripts that modifies the .machine_param
- * section of output U-Boot image.
- */
- .uboot_size = 0x100000,
-
- .boot_source = BOOT_MODE_OM,
- .frequency_mhz = 800,
- .arm_freq_mhz = 1700,
- .serial_base = 0x12c30000,
- .i2c_base = 0x12c60000,
-// .board_rev_gpios = GPIO_D00 | (GPIO_D01 << 16),
- .mem_manuf = MEM_MANUF_SAMSUNG,
-// .bad_wake_gpio = GPIO_Y10,
-};
-
-/**
- * Get the required memory type and speed (SPL version).
- *
- * In SPL we have no device tree, so we use the machine parameters
- */
-int clock_get_mem_selection(enum ddr_mode *mem_type,
- unsigned *frequency_mhz, unsigned *arm_freq,
- enum mem_manuf *mem_manuf)
-{
- struct spl_machine_param *params;
-
- params = &machine_param;
- *mem_type = params->mem_type;
- *frequency_mhz = params->frequency_mhz;
- *arm_freq = params->arm_freq_mhz;
- if (params->mem_manuf == MEM_MANUF_AUTODETECT) {
- *mem_manuf = autodetect_memory();
- if (*mem_manuf == -1)
- return -1;
- } else {
- *mem_manuf = params->mem_manuf;
- }
-
- return 0;
-}
-
-#else
-
-static const char *mem_types[DDR_MODE_COUNT] = {
- "DDR2", "DDR3", "LPDDR2", "LPDDR3"
-};
-
-static const char *mem_manufs[MEM_MANUF_COUNT] = {
- "autodetect", "Elpida", "Samsung"
-};
-
-int clock_get_mem_selection(enum ddr_mode *mem_type,
- unsigned *frequency_mhz, unsigned *arm_freq,
- enum mem_manuf *mem_manuf)
-{
- const char *typestr;
- int node, i;
-
- node = fdtdec_next_compatible(gd->fdt_blob, 0,
- COMPAT_SAMSUNG_EXYNOS_DMC);
- if (node < 0)
- die("No memory information available in device tree");
- typestr = fdt_getprop(gd->fdt_blob, node, "mem-type", NULL);
- for (i = 0; i < DDR_MODE_COUNT; i++) {
- if (!stricmp(typestr, mem_types[i]))
- break;
- }
- if (i == DDR_MODE_COUNT)
- die("Invalid memory type in device tree");
- *mem_type = i;
-
- typestr = fdt_getprop(gd->fdt_blob, node, "mem-manuf", NULL);
- for (i = 0; i < MEM_MANUF_COUNT; i++) {
- if (!stricmp(typestr, mem_manufs[i]))
- break;
- }
- if (i == MEM_MANUF_COUNT)
- die("Invalid memory manufacturer in device tree");
-
- if (i == MEM_MANUF_AUTODETECT) {
- *mem_manuf = autodetect_memory();
- if (*mem_manuf == -1)
- return -1;
- } else {
- *mem_manuf = i;
- }
-
- *frequency_mhz = fdtdec_get_int(gd->fdt_blob, node, "clock-frequency",
- 0);
- if (!*frequency_mhz)
- die("Invalid memory frequency in device tree");
-
- *arm_freq = fdtdec_get_int(gd->fdt_blob, node, "arm-frequency", 0);
- /* TODO: Remove all these panics/dies, and just return an error code */
- if (!*arm_freq)
- die("Invalid ARM frequency in device tree");
-
- return 0;
-}
-
-const char *clock_get_mem_type_name(enum ddr_mode mem_type)
-{
- if (mem_type >= 0 && mem_type < DDR_MODE_COUNT)
- return mem_types[mem_type];
-
- return "<unknown>";
-}
-
-const char *clock_get_mem_manuf_name(enum mem_manuf mem_manuf)
-{
- if (mem_manuf >= 0 && mem_manuf < MEM_MANUF_COUNT)
- return mem_manufs[mem_manuf];
-
- return "<unknown>";
-}
-#endif
-
-/* Get the ratios for setting ARM clock */
-struct arm_clk_ratios *get_arm_ratios(void); /* FIXME: silence compiler... */
-struct arm_clk_ratios *get_arm_ratios(void)
-{
- struct arm_clk_ratios *arm_ratio;
- enum ddr_mode mem_type;
- enum mem_manuf mem_manuf;
- unsigned frequency_mhz, arm_freq;
- int i;
-
- /* TODO(sjg@chromium.org): Return NULL and have caller deal with it */
- if (clock_get_mem_selection(&mem_type, &frequency_mhz,
- &arm_freq, &mem_manuf))
- ;
- for (i = 0, arm_ratio = arm_clk_ratios; i < ARRAY_SIZE(arm_clk_ratios);
- i++, arm_ratio++) {
- if (arm_ratio->arm_freq_mhz == arm_freq)
- return arm_ratio;
- }
-
-// die("get_arm_ratios: Failed to find ratio\n");
- return NULL;
-}
-
-struct mem_timings *clock_get_mem_timings(void)
-{
- /* FIXME: hard-coded for now */
- return &mem_timings[0];
-#if 0
- struct mem_timings *mem;
- enum ddr_mode mem_type;
- enum mem_manuf mem_manuf;
- unsigned frequency_mhz, arm_freq;
- int i;
-
- if (!clock_get_mem_selection(&mem_type, &frequency_mhz,
- &arm_freq, &mem_manuf)) {
- for (i = 0, mem = mem_timings; i < ARRAY_SIZE(mem_timings);
- i++, mem++) {
- if (mem->mem_type == mem_type &&
- mem->frequency_mhz == frequency_mhz &&
- mem->mem_manuf == mem_manuf)
- return mem;
- }
- }
- return NULL;
-#endif
-}
-
-void system_clock_init(void)
+void system_clock_init(struct mem_timings *mem,
+ struct arm_clk_ratios *arm_clk_ratio)
{
struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
struct exynos5_mct_regs *mct_regs =
(struct exynos5_mct_regs *)EXYNOS5_MULTI_CORE_TIMER_BASE;
- struct mem_timings *mem;
- struct arm_clk_ratios *arm_clk_ratio;
u32 val, tmp;
/* Turn on the MCT as early as possible. */
mct_regs->g_tcon |= (1 << 8);
- mem = clock_get_mem_timings();
- arm_clk_ratio = get_arm_ratios();
-
clrbits_le32(&clk->src_cpu, MUX_APLL_SEL_MASK);
do {
val = readl(&clk->mux_stat_cpu);
diff --git a/src/cpu/samsung/exynos5250/clock_init.h b/src/cpu/samsung/exynos5250/clock_init.h
index 00561a0b58..3757e7d761 100644
--- a/src/cpu/samsung/exynos5250/clock_init.h
+++ b/src/cpu/samsung/exynos5250/clock_init.h
@@ -25,10 +25,6 @@
#ifndef __EXYNOS_CLOCK_INIT_H
#define __EXYNOS_CLOCK_INIT_H
-enum {
- MEM_TIMINGS_MSR_COUNT = 4,
-};
-
/* These are the ratio's for configuring ARM clock */
struct arm_clk_ratios {
unsigned int arm_freq_mhz; /* Frequency of ARM core in MHz */
@@ -47,104 +43,17 @@ struct arm_clk_ratios {
unsigned int arm_ratio;
};
-/* These are the memory timings for a particular memory type and speed */
-struct mem_timings {
- enum mem_manuf mem_manuf; /* Memory manufacturer */
- enum ddr_mode mem_type; /* Memory type */
- unsigned int frequency_mhz; /* Frequency of memory in MHz */
-
- /* Here follow the timing parameters for the selected memory */
- uint8_t apll_mdiv;
- uint8_t apll_pdiv;
- uint8_t apll_sdiv;
- uint8_t mpll_mdiv;
- uint8_t mpll_pdiv;
- uint8_t mpll_sdiv;
- uint8_t cpll_mdiv;
- uint8_t cpll_pdiv;
- uint8_t cpll_sdiv;
- uint8_t gpll_pdiv;
- uint16_t gpll_mdiv;
- uint8_t gpll_sdiv;
- uint8_t epll_mdiv;
- uint8_t epll_pdiv;
- uint8_t epll_sdiv;
- uint8_t vpll_mdiv;
- uint8_t vpll_pdiv;
- uint8_t vpll_sdiv;
- uint8_t bpll_mdiv;
- uint8_t bpll_pdiv;
- uint8_t bpll_sdiv;
- uint8_t use_bpll; /* 1 to use BPLL for cdrex, 0 to use MPLL */
- uint8_t pclk_cdrex_ratio;
- unsigned int direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];
-
- unsigned int timing_ref;
- unsigned int timing_row;
- unsigned int timing_data;
- unsigned int timing_power;
-
- /* DQS, DQ, DEBUG offsets */
- unsigned int phy0_dqs;
- unsigned int phy1_dqs;
- unsigned int phy0_dq;
- unsigned int phy1_dq;
- uint8_t phy0_tFS;
- uint8_t phy1_tFS;
- uint8_t phy0_pulld_dqs;
- uint8_t phy1_pulld_dqs;
-
- uint8_t lpddr3_ctrl_phy_reset;
- uint8_t ctrl_start_point;
- uint8_t ctrl_inc;
- uint8_t ctrl_start;
- uint8_t ctrl_dll_on;
- uint8_t ctrl_ref;
-
- uint8_t ctrl_force;
- uint8_t ctrl_rdlat;
- uint8_t ctrl_bstlen;
-
- uint8_t fp_resync;
- uint8_t iv_size;
- uint8_t dfi_init_start;
- uint8_t aref_en;
-
- uint8_t rd_fetch;
-
- uint8_t zq_mode_dds;
- uint8_t zq_mode_term;
- uint8_t zq_mode_noterm; /* 1 to allow termination disable */
-
- unsigned int memcontrol;
- unsigned int memconfig;
-
- unsigned int membaseconfig0;
- unsigned int membaseconfig1;
- unsigned int prechconfig_tp_cnt;
- unsigned int dpwrdn_cyc;
- unsigned int dsref_cyc;
- unsigned int concontrol;
- /* Channel and Chip Selection */
- uint8_t dmc_channels; /* number of memory channels */
- uint8_t chips_per_channel; /* number of chips per channel */
- uint8_t chips_to_configure; /* number of chips to configure */
- uint8_t send_zq_init; /* 1 to send this command */
- unsigned int impedance; /* drive strength impedeance */
- uint8_t gate_leveling_enable; /* check gate leveling is enabled */
-};
-
/**
- * Get the correct memory timings for our selected memory type and speed.
- *
- * This function can be called from SPL or the main U-Boot.
+ * Get the clock ratios for CPU configuration
*
- * @return pointer to the memory timings that we should use
+ * @return pointer to the clock ratios that we should use
*/
-struct mem_timings *clock_get_mem_timings(void);
+struct arm_clk_ratios *get_arm_clk_ratios(void);
/*
* Initialize clock for the device
*/
-void system_clock_init(void);
+struct mem_timings;
+void system_clock_init(struct mem_timings *mem,
+ struct arm_clk_ratios *arm_clk_ratio);
#endif
diff --git a/src/cpu/samsung/exynos5250/dmc.h b/src/cpu/samsung/exynos5250/dmc.h
index 9b1f29305d..0814c07afb 100644
--- a/src/cpu/samsung/exynos5250/dmc.h
+++ b/src/cpu/samsung/exynos5250/dmc.h
@@ -175,6 +175,10 @@ enum mem_manuf {
MEM_MANUF_COUNT = 2, // fancy that.
};
+enum {
+ MEM_TIMINGS_MSR_COUNT = 4,
+};
+
#define DMC_INTERLEAVE_SIZE 0x1f
/* CONCONTROL register fields */
@@ -224,5 +228,99 @@ enum mem_manuf {
#define PHY_CON42_CTRL_RDLAT_SHIFT 0
#define PHY_CON42_CTRL_RDLAT_MASK (0x1f << PHY_CON42_CTRL_RDLAT_SHIFT)
+/* These are the memory timings for a particular memory type and speed */
+struct mem_timings {
+ enum mem_manuf mem_manuf; /* Memory manufacturer */
+ enum ddr_mode mem_type; /* Memory type */
+ unsigned int frequency_mhz; /* Frequency of memory in MHz */
+
+ /* Here follow the timing parameters for the selected memory */
+ uint8_t apll_mdiv;
+ uint8_t apll_pdiv;
+ uint8_t apll_sdiv;
+ uint8_t mpll_mdiv;
+ uint8_t mpll_pdiv;
+ uint8_t mpll_sdiv;
+ uint8_t cpll_mdiv;
+ uint8_t cpll_pdiv;
+ uint8_t cpll_sdiv;
+ uint8_t gpll_pdiv;
+ uint16_t gpll_mdiv;
+ uint8_t gpll_sdiv;
+ uint8_t epll_mdiv;
+ uint8_t epll_pdiv;
+ uint8_t epll_sdiv;
+ uint8_t vpll_mdiv;
+ uint8_t vpll_pdiv;
+ uint8_t vpll_sdiv;
+ uint8_t bpll_mdiv;
+ uint8_t bpll_pdiv;
+ uint8_t bpll_sdiv;
+ uint8_t use_bpll; /* 1 to use BPLL for cdrex, 0 to use MPLL */
+ uint8_t pclk_cdrex_ratio;
+ unsigned int direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];
+
+ unsigned int timing_ref;
+ unsigned int timing_row;
+ unsigned int timing_data;
+ unsigned int timing_power;
+
+ /* DQS, DQ, DEBUG offsets */
+ unsigned int phy0_dqs;
+ unsigned int phy1_dqs;
+ unsigned int phy0_dq;
+ unsigned int phy1_dq;
+ uint8_t phy0_tFS;
+ uint8_t phy1_tFS;
+ uint8_t phy0_pulld_dqs;
+ uint8_t phy1_pulld_dqs;
+
+ uint8_t lpddr3_ctrl_phy_reset;
+ uint8_t ctrl_start_point;
+ uint8_t ctrl_inc;
+ uint8_t ctrl_start;
+ uint8_t ctrl_dll_on;
+ uint8_t ctrl_ref;
+
+ uint8_t ctrl_force;
+ uint8_t ctrl_rdlat;
+ uint8_t ctrl_bstlen;
+
+ uint8_t fp_resync;
+ uint8_t iv_size;
+ uint8_t dfi_init_start;
+ uint8_t aref_en;
+
+ uint8_t rd_fetch;
+
+ uint8_t zq_mode_dds;
+ uint8_t zq_mode_term;
+ uint8_t zq_mode_noterm; /* 1 to allow termination disable */
+
+ unsigned int memcontrol;
+ unsigned int memconfig;
+
+ unsigned int membaseconfig0;
+ unsigned int membaseconfig1;
+ unsigned int prechconfig_tp_cnt;
+ unsigned int dpwrdn_cyc;
+ unsigned int dsref_cyc;
+ unsigned int concontrol;
+ /* Channel and Chip Selection */
+ uint8_t dmc_channels; /* number of memory channels */
+ uint8_t chips_per_channel; /* number of chips per channel */
+ uint8_t chips_to_configure; /* number of chips to configure */
+ uint8_t send_zq_init; /* 1 to send this command */
+ unsigned int impedance; /* drive strength impedeance */
+ uint8_t gate_leveling_enable; /* check gate leveling is enabled */
+};
+
+/**
+ * Get the correct memory timings for our selected memory type and speed.
+ *
+ * @return pointer to the memory timings that we should use
+ */
+struct mem_timings *get_mem_timings(void);
+
#endif
#endif
diff --git a/src/cpu/samsung/s5p-common/s5p_gpio.c b/src/cpu/samsung/s5p-common/s5p_gpio.c
index f09d0a4ee5..0023beb141 100644
--- a/src/cpu/samsung/s5p-common/s5p_gpio.c
+++ b/src/cpu/samsung/s5p-common/s5p_gpio.c
@@ -20,6 +20,7 @@
/* FIXME(dhendrix): fix this up so it doesn't require a bunch of #ifdefs... */
#include <common.h>
+#include <gpio.h>
//#include <arch/io.h>
#include <gpio.h>
#include <arch/gpio.h>
diff --git a/src/mainboard/google/snow/Makefile.inc b/src/mainboard/google/snow/Makefile.inc
index a43bcbcc16..130c3545cb 100644
--- a/src/mainboard/google/snow/Makefile.inc
+++ b/src/mainboard/google/snow/Makefile.inc
@@ -17,6 +17,12 @@
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
+# needed for system_clock_init()
+bootblock-y += mainboard.c
+bootblock-y += memory.c
+
+romstage-y += mainboard.c
+romstage-y += memory.c
romstage-y += romstage.c
# ramstage-y += ec.c
diff --git a/src/mainboard/google/snow/bootblock.c b/src/mainboard/google/snow/bootblock.c
index 1985662c9a..90a2de188e 100644
--- a/src/mainboard/google/snow/bootblock.c
+++ b/src/mainboard/google/snow/bootblock.c
@@ -345,393 +345,6 @@ static void power_init(void)
REG_ENABLE, MAX77686_MV);
}
-/* FIXME(dhendrix): this will be removed in a follow-up patch */
-struct mem_timings my_mem_timings[] = {
- {
- .mem_manuf = MEM_MANUF_ELPIDA,
- .mem_type = DDR_MODE_DDR3,
- .frequency_mhz = 800,
- .mpll_mdiv = 0x64,
- .mpll_pdiv = 0x3,
- .mpll_sdiv = 0x0,
- .cpll_mdiv = 0xde,
- .cpll_pdiv = 0x4,
- .cpll_sdiv = 0x2,
- .gpll_mdiv = 0x215,
- .gpll_pdiv = 0xc,
- .gpll_sdiv = 0x1,
- .epll_mdiv = 0x60,
- .epll_pdiv = 0x3,
- .epll_sdiv = 0x3,
- .vpll_mdiv = 0x96,
- .vpll_pdiv = 0x3,
- .vpll_sdiv = 0x2,
-
- .bpll_mdiv = 0x64,
- .bpll_pdiv = 0x3,
- .bpll_sdiv = 0x0,
- .use_bpll = 0,
- .pclk_cdrex_ratio = 0x5,
- .direct_cmd_msr = {
- 0x00020018, 0x00030000, 0x00010042, 0x00000d70
- },
- .timing_ref = 0x000000bb,
- .timing_row = 0x8c36660f,
- .timing_data = 0x3630580b,
- .timing_power = 0x41000a44,
- .phy0_dqs = 0x08080808,
- .phy1_dqs = 0x08080808,
- .phy0_dq = 0x08080808,
- .phy1_dq = 0x08080808,
- .phy0_tFS = 0x4,
- .phy1_tFS = 0x4,
- .phy0_pulld_dqs = 0xf,
- .phy1_pulld_dqs = 0xf,
-
- .lpddr3_ctrl_phy_reset = 0x1,
- .ctrl_start_point = 0x10,
- .ctrl_inc = 0x10,
- .ctrl_start = 0x1,
- .ctrl_dll_on = 0x1,
- .ctrl_ref = 0x8,
-
- .ctrl_force = 0x1a,
- .ctrl_rdlat = 0x0b,
- .ctrl_bstlen = 0x08,
-
- .fp_resync = 0x8,
- .iv_size = 0x7,
- .dfi_init_start = 1,
- .aref_en = 1,
-
- .rd_fetch = 0x3,
-
- .zq_mode_dds = 0x7,
- .zq_mode_term = 0x1,
- .zq_mode_noterm = 0,
-
- /*
- * Dynamic Clock: Always Running
- * Memory Burst length: 8
- * Number of chips: 1
- * Memory Bus width: 32 bit
- * Memory Type: DDR3
- * Additional Latancy for PLL: 0 Cycle
- */
- .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
- DMC_MEMCONTROL_DPWRDN_DISABLE |
- DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
- DMC_MEMCONTROL_TP_DISABLE |
- DMC_MEMCONTROL_DSREF_ENABLE |
- DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
- DMC_MEMCONTROL_MEM_TYPE_DDR3 |
- DMC_MEMCONTROL_MEM_WIDTH_32BIT |
- DMC_MEMCONTROL_NUM_CHIP_1 |
- DMC_MEMCONTROL_BL_8 |
- DMC_MEMCONTROL_PZQ_DISABLE |
- DMC_MEMCONTROL_MRR_BYTE_7_0,
- .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
- DMC_MEMCONFIGx_CHIP_COL_10 |
- DMC_MEMCONFIGx_CHIP_ROW_15 |
- DMC_MEMCONFIGx_CHIP_BANK_8,
- .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
- .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
- .prechconfig_tp_cnt = 0xff,
- .dpwrdn_cyc = 0xff,
- .dsref_cyc = 0xffff,
- .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
- DMC_CONCONTROL_TIMEOUT_LEVEL0 |
- DMC_CONCONTROL_RD_FETCH_DISABLE |
- DMC_CONCONTROL_EMPTY_DISABLE |
- DMC_CONCONTROL_AREF_EN_DISABLE |
- DMC_CONCONTROL_IO_PD_CON_DISABLE,
- .dmc_channels = 2,
- .chips_per_channel = 2,
- .chips_to_configure = 1,
- .send_zq_init = 1,
- .impedance = IMP_OUTPUT_DRV_30_OHM,
- .gate_leveling_enable = 0,
- },
-};
-
-/* FIXME(dhendrix): this will be removed in a follow-up patch */
-struct arm_clk_ratios my_arm_clk_ratios[] = {
- {
- .arm_freq_mhz = 1700,
-
- .apll_mdiv = 0x1a9,
- .apll_pdiv = 0x6,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x3,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x6,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x3,
- .arm_ratio = 0x0,
- }
-};
-
-static void clock_init(void)
-{
- struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
- struct exynos5_mct_regs *mct_regs =
- (struct exynos5_mct_regs *)EXYNOS5_MULTI_CORE_TIMER_BASE;
- struct mem_timings *mem = &my_mem_timings[0];
- struct arm_clk_ratios *arm_clk_ratio = &my_arm_clk_ratios[0];
- u32 val, tmp;
-
- /* Turn on the MCT as early as possible. */
- mct_regs->g_tcon |= (1 << 8);
-
-// mem = clock_get_mem_timings();
-// arm_clk_ratio = get_arm_ratios();
-
- clrbits_le32(&clk->src_cpu, MUX_APLL_SEL_MASK);
- do {
- val = readl(&clk->mux_stat_cpu);
- } while ((val | MUX_APLL_SEL_MASK) != val);
-
- clrbits_le32(&clk->src_core1, MUX_MPLL_SEL_MASK);
- do {
- val = readl(&clk->mux_stat_core1);
- } while ((val | MUX_MPLL_SEL_MASK) != val);
-
- clrbits_le32(&clk->src_top2, MUX_CPLL_SEL_MASK);
- clrbits_le32(&clk->src_top2, MUX_EPLL_SEL_MASK);
- clrbits_le32(&clk->src_top2, MUX_VPLL_SEL_MASK);
- clrbits_le32(&clk->src_top2, MUX_GPLL_SEL_MASK);
- tmp = MUX_CPLL_SEL_MASK | MUX_EPLL_SEL_MASK | MUX_VPLL_SEL_MASK
- | MUX_GPLL_SEL_MASK;
- do {
- val = readl(&clk->mux_stat_top2);
- } while ((val | tmp) != val);
-
- clrbits_le32(&clk->src_cdrex, MUX_BPLL_SEL_MASK);
- do {
- val = readl(&clk->mux_stat_cdrex);
- } while ((val | MUX_BPLL_SEL_MASK) != val);
-
- /* PLL locktime */
- writel(APLL_LOCK_VAL, &clk->apll_lock);
-
- writel(MPLL_LOCK_VAL, &clk->mpll_lock);
-
- writel(BPLL_LOCK_VAL, &clk->bpll_lock);
-
- writel(CPLL_LOCK_VAL, &clk->cpll_lock);
-
- writel(GPLL_LOCK_VAL, &clk->gpll_lock);
-
- writel(EPLL_LOCK_VAL, &clk->epll_lock);
-
- writel(VPLL_LOCK_VAL, &clk->vpll_lock);
-
- writel(CLK_REG_DISABLE, &clk->pll_div2_sel);
-
- writel(MUX_HPM_SEL_MASK, &clk->src_cpu);
- do {
- val = readl(&clk->mux_stat_cpu);
- } while ((val | HPM_SEL_SCLK_MPLL) != val);
-
- val = arm_clk_ratio->arm2_ratio << 28
- | arm_clk_ratio->apll_ratio << 24
- | arm_clk_ratio->pclk_dbg_ratio << 20
- | arm_clk_ratio->atb_ratio << 16
- | arm_clk_ratio->periph_ratio << 12
- | arm_clk_ratio->acp_ratio << 8
- | arm_clk_ratio->cpud_ratio << 4
- | arm_clk_ratio->arm_ratio;
- writel(val, &clk->div_cpu0);
- do {
- val = readl(&clk->div_stat_cpu0);
- } while (0 != val);
-
- writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1);
- do {
- val = readl(&clk->div_stat_cpu1);
- } while (0 != val);
-
- /* Set APLL */
- writel(APLL_CON1_VAL, &clk->apll_con1);
- val = set_pll(arm_clk_ratio->apll_mdiv, arm_clk_ratio->apll_pdiv,
- arm_clk_ratio->apll_sdiv);
- writel(val, &clk->apll_con0);
- while ((readl(&clk->apll_con0) & APLL_CON0_LOCKED) == 0)
- ;
-
- /* Set MPLL */
- writel(MPLL_CON1_VAL, &clk->mpll_con1);
- val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv);
- writel(val, &clk->mpll_con0);
- while ((readl(&clk->mpll_con0) & MPLL_CON0_LOCKED) == 0)
- ;
-
- /*
- * Configure MUX_MPLL_FOUT to choose the direct clock source
- * path and avoid the fixed DIV/2 block to save power
- */
- setbits_le32(&clk->pll_div2_sel, MUX_MPLL_FOUT_SEL);
-
- /* Set BPLL */
- if (mem->use_bpll) {
- writel(BPLL_CON1_VAL, &clk->bpll_con1);
- val = set_pll(mem->bpll_mdiv, mem->bpll_pdiv, mem->bpll_sdiv);
- writel(val, &clk->bpll_con0);
- while ((readl(&clk->bpll_con0) & BPLL_CON0_LOCKED) == 0)
- ;
-
- setbits_le32(&clk->pll_div2_sel, MUX_BPLL_FOUT_SEL);
- }
-
- /* Set CPLL */
- writel(CPLL_CON1_VAL, &clk->cpll_con1);
- val = set_pll(mem->cpll_mdiv, mem->cpll_pdiv, mem->cpll_sdiv);
- writel(val, &clk->cpll_con0);
- while ((readl(&clk->cpll_con0) & CPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set GPLL */
- writel(GPLL_CON1_VAL, &clk->gpll_con1);
- val = set_pll(mem->gpll_mdiv, mem->gpll_pdiv, mem->gpll_sdiv);
- writel(val, &clk->gpll_con0);
- while ((readl(&clk->gpll_con0) & GPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set EPLL */
- writel(EPLL_CON2_VAL, &clk->epll_con2);
- writel(EPLL_CON1_VAL, &clk->epll_con1);
- val = set_pll(mem->epll_mdiv, mem->epll_pdiv, mem->epll_sdiv);
- writel(val, &clk->epll_con0);
- while ((readl(&clk->epll_con0) & EPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set VPLL */
- writel(VPLL_CON2_VAL, &clk->vpll_con2);
- writel(VPLL_CON1_VAL, &clk->vpll_con1);
- val = set_pll(mem->vpll_mdiv, mem->vpll_pdiv, mem->vpll_sdiv);
- writel(val, &clk->vpll_con0);
- while ((readl(&clk->vpll_con0) & VPLL_CON0_LOCKED) == 0)
- ;
-
- writel(CLK_SRC_CORE0_VAL, &clk->src_core0);
- writel(CLK_DIV_CORE0_VAL, &clk->div_core0);
- while (readl(&clk->div_stat_core0) != 0)
- ;
-
- writel(CLK_DIV_CORE1_VAL, &clk->div_core1);
- while (readl(&clk->div_stat_core1) != 0)
- ;
-
- writel(CLK_DIV_SYSRGT_VAL, &clk->div_sysrgt);
- while (readl(&clk->div_stat_sysrgt) != 0)
- ;
-
- writel(CLK_DIV_ACP_VAL, &clk->div_acp);
- while (readl(&clk->div_stat_acp) != 0)
- ;
-
- writel(CLK_DIV_SYSLFT_VAL, &clk->div_syslft);
- while (readl(&clk->div_stat_syslft) != 0)
- ;
-
- writel(CLK_SRC_TOP0_VAL, &clk->src_top0);
- writel(CLK_SRC_TOP1_VAL, &clk->src_top1);
- writel(TOP2_VAL, &clk->src_top2);
- writel(CLK_SRC_TOP3_VAL, &clk->src_top3);
-
- writel(CLK_DIV_TOP0_VAL, &clk->div_top0);
- while (readl(&clk->div_stat_top0))
- ;
-
- writel(CLK_DIV_TOP1_VAL, &clk->div_top1);
- while (readl(&clk->div_stat_top1))
- ;
-
- writel(CLK_SRC_LEX_VAL, &clk->src_lex);
- while (1) {
- val = readl(&clk->mux_stat_lex);
- if (val == (val | 1))
- break;
- }
-
- writel(CLK_DIV_LEX_VAL, &clk->div_lex);
- while (readl(&clk->div_stat_lex))
- ;
-
- writel(CLK_DIV_R0X_VAL, &clk->div_r0x);
- while (readl(&clk->div_stat_r0x))
- ;
-
- writel(CLK_DIV_R0X_VAL, &clk->div_r0x);
- while (readl(&clk->div_stat_r0x))
- ;
-
- writel(CLK_DIV_R1X_VAL, &clk->div_r1x);
- while (readl(&clk->div_stat_r1x))
- ;
-
- if (mem->use_bpll) {
- writel(MUX_BPLL_SEL_MASK | MUX_MCLK_CDREX_SEL |
- MUX_MCLK_DPHY_SEL, &clk->src_cdrex);
- } else {
- writel(CLK_REG_DISABLE, &clk->src_cdrex);
- }
-
- writel(CLK_DIV_CDREX_VAL, &clk->div_cdrex);
- while (readl(&clk->div_stat_cdrex))
- ;
-
- val = readl(&clk->src_cpu);
- val |= CLK_SRC_CPU_VAL;
- writel(val, &clk->src_cpu);
-
- val = readl(&clk->src_top2);
- val |= CLK_SRC_TOP2_VAL;
- writel(val, &clk->src_top2);
-
- val = readl(&clk->src_core1);
- val |= CLK_SRC_CORE1_VAL;
- writel(val, &clk->src_core1);
-
- writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys);
- writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0);
- while (readl(&clk->div_stat_fsys0))
- ;
-
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_cpu);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_core);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_acp);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_top);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_lex);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_r0x);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_r1x);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_cdrex);
-
- writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0);
- writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0);
-
- writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1);
- writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1);
- writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2);
- writel(SCLK_SRC_ISP_VAL, &clk->sclk_src_isp);
- writel(SCLK_DIV_ISP_VAL, &clk->sclk_div_isp);
- writel(CLK_DIV_ISP0_VAL, &clk->div_isp0);
- writel(CLK_DIV_ISP1_VAL, &clk->div_isp1);
- writel(CLK_DIV_ISP2_VAL, &clk->div_isp2);
-
- /* FIMD1 SRC CLK SELECTION */
- writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp1_0);
-
- val = MMC2_PRE_RATIO_VAL << MMC2_PRE_RATIO_OFFSET
- | MMC2_RATIO_VAL << MMC2_RATIO_OFFSET
- | MMC3_PRE_RATIO_VAL << MMC3_PRE_RATIO_OFFSET
- | MMC3_RATIO_VAL << MMC3_RATIO_OFFSET;
- writel(val, &clk->div_fsys2);
-}
-
#include <console/vtxprintf.h>
#include <string.h>
#define ZEROPAD 1 /* pad with zero */
@@ -1025,12 +638,17 @@ int do_printk(int msg_level, const char *fmt, ...)
void bootblock_mainboard_init(void);
void bootblock_mainboard_init(void)
{
+ struct mem_timings *mem;
+ struct arm_clk_ratios *arm_ratios;
+
/* FIXME: we should not need UART in bootblock, this is only
done for testing purposes */
i2c_set_early_reg(I2C0_BASE);
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
power_init();
- clock_init();
+ mem = get_mem_timings();
+ arm_ratios = get_arm_clk_ratios();
+ system_clock_init(mem, arm_ratios);
do_serial();
printk(BIOS_INFO, "%s: UART initialized\n", __func__);
diff --git a/src/mainboard/google/snow/mainboard.c b/src/mainboard/google/snow/mainboard.c
index f11f1fa395..efe6672435 100644
--- a/src/mainboard/google/snow/mainboard.c
+++ b/src/mainboard/google/snow/mainboard.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2012 The ChromeOS Authors
+ * Copyright (C) 2012 Google Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -17,18 +17,60 @@
* MA 02111-1307 USA
*/
+#include <stdlib.h>
+#include <gpio.h>
#include <device/device.h>
#include <console/console.h>
-// mainboard_enable is executed as first thing after
-// enumerate_buses().
+#include <cpu/samsung/exynos5-common/gpio.h>
+#include <cpu/samsung/exynos5250/gpio.h>
-static void mainboard_enable(device_t dev)
+#include "mainboard.h"
+
+#define SNOW_BOARD_ID0_GPIO 88 /* GPD0, pin 0 */
+#define SNOW_BOARD_ID1_GPIO 89 /* GPD0, pin 1 */
+
+struct {
+ enum mvl3 id0, id1;
+ enum snow_board_config config;
+} snow_id_map[] = {
+ /* ID0 ID1 config */
+ { LOGIC_0, LOGIC_0, SNOW_CONFIG_SAMSUNG_MP },
+ { LOGIC_0, LOGIC_1, SNOW_CONFIG_ELPIDA_MP },
+ { LOGIC_1, LOGIC_0, SNOW_CONFIG_SAMSUNG_DVT },
+ { LOGIC_1, LOGIC_1, SNOW_CONFIG_ELPIDA_DVT },
+ { LOGIC_0, LOGIC_Z, SNOW_CONFIG_SAMSUNG_PVT },
+ { LOGIC_1, LOGIC_Z, SNOW_CONFIG_ELPIDA_PVT },
+ { LOGIC_Z, LOGIC_0, SNOW_CONFIG_SAMSUNG_MP },
+ { LOGIC_Z, LOGIC_Z, SNOW_CONFIG_ELPIDA_MP },
+ { LOGIC_Z, LOGIC_1, SNOW_CONFIG_RSVD },
+};
+
+int board_get_config(void)
{
- //dev->ops->init = mainboard_init;
+ int i;
+ int id0, id1;
+ enum snow_board_config config = SNOW_CONFIG_UNKNOWN;
+
+ id0 = gpio_read_mvl3(SNOW_BOARD_ID0_GPIO);
+ id1 = gpio_read_mvl3(SNOW_BOARD_ID1_GPIO);
+ if (id0 < 0 || id1 < 0)
+ return -1;
+ printk(BIOS_DEBUG, "%s: id0: %u, id1: %u\n", __func__, id0, id1);
+
+ for (i = 0; i < ARRAY_SIZE(snow_id_map); i++) {
+ if (id0 == snow_id_map[i].id0 && id1 == snow_id_map[i].id1) {
+ config = snow_id_map[i].config;
+ break;
+ }
+ }
+
+ return config;
}
+#if 0
struct chip_operations mainboard_ops = {
.name = "Samsung/Google ARM ChromeBook",
.enable_dev = mainboard_enable,
};
+#endif
diff --git a/src/mainboard/google/snow/mainboard.h b/src/mainboard/google/snow/mainboard.h
new file mode 100644
index 0000000000..6fe371fc99
--- /dev/null
+++ b/src/mainboard/google/snow/mainboard.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2013 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef MAINBOARD_H
+#define MAINBOARD_H
+
+enum snow_board_config {
+ SNOW_CONFIG_UNKNOWN = -1,
+ SNOW_CONFIG_SAMSUNG_EVT,
+ SNOW_CONFIG_ELPIDA_EVT,
+ SNOW_CONFIG_SAMSUNG_DVT,
+ SNOW_CONFIG_ELPIDA_DVT,
+ SNOW_CONFIG_SAMSUNG_PVT,
+ SNOW_CONFIG_ELPIDA_PVT,
+ SNOW_CONFIG_SAMSUNG_MP,
+ SNOW_CONFIG_ELPIDA_MP,
+ SNOW_CONFIG_RSVD,
+};
+
+int board_get_config(void);
+
+#endif /* MAINBOARD_H */
diff --git a/src/mainboard/google/snow/memory.c b/src/mainboard/google/snow/memory.c
new file mode 100644
index 0000000000..ba8c91fd6e
--- /dev/null
+++ b/src/mainboard/google/snow/memory.c
@@ -0,0 +1,494 @@
+/*
+ * This file is part of the coreboot project. It is based off code
+ * from Das U-Boot.
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * Copyright (C) 2013 The ChromiumOS Authors.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <console/console.h>
+
+#include <cpu/samsung/exynos5250/setup.h>
+#include <cpu/samsung/exynos5250/dmc.h>
+#include <cpu/samsung/exynos5250/clock_init.h>
+
+#include "mainboard.h"
+
+struct mem_timings mem_timings[] = {
+ {
+ .mem_manuf = MEM_MANUF_ELPIDA,
+ .mem_type = DDR_MODE_DDR3,
+ .frequency_mhz = 800,
+ .mpll_mdiv = 0x64,
+ .mpll_pdiv = 0x3,
+ .mpll_sdiv = 0x0,
+ .cpll_mdiv = 0xde,
+ .cpll_pdiv = 0x4,
+ .cpll_sdiv = 0x2,
+ .gpll_mdiv = 0x215,
+ .gpll_pdiv = 0xc,
+ .gpll_sdiv = 0x1,
+ .epll_mdiv = 0x60,
+ .epll_pdiv = 0x3,
+ .epll_sdiv = 0x3,
+ .vpll_mdiv = 0x96,
+ .vpll_pdiv = 0x3,
+ .vpll_sdiv = 0x2,
+
+ .bpll_mdiv = 0x64,
+ .bpll_pdiv = 0x3,
+ .bpll_sdiv = 0x0,
+ .use_bpll = 0,
+ .pclk_cdrex_ratio = 0x5,
+ .direct_cmd_msr = {
+ 0x00020018, 0x00030000, 0x00010042, 0x00000d70
+ },
+ .timing_ref = 0x000000bb,
+ .timing_row = 0x8c36660f,
+ .timing_data = 0x3630580b,
+ .timing_power = 0x41000a44,
+ .phy0_dqs = 0x08080808,
+ .phy1_dqs = 0x08080808,
+ .phy0_dq = 0x08080808,
+ .phy1_dq = 0x08080808,
+ .phy0_tFS = 0x4,
+ .phy1_tFS = 0x4,
+ .phy0_pulld_dqs = 0xf,
+ .phy1_pulld_dqs = 0xf,
+
+ .lpddr3_ctrl_phy_reset = 0x1,
+ .ctrl_start_point = 0x10,
+ .ctrl_inc = 0x10,
+ .ctrl_start = 0x1,
+ .ctrl_dll_on = 0x1,
+ .ctrl_ref = 0x8,
+
+ .ctrl_force = 0x1a,
+ .ctrl_rdlat = 0x0b,
+ .ctrl_bstlen = 0x08,
+
+ .fp_resync = 0x8,
+ .iv_size = 0x7,
+ .dfi_init_start = 1,
+ .aref_en = 1,
+
+ .rd_fetch = 0x3,
+
+ .zq_mode_dds = 0x7,
+ .zq_mode_term = 0x1,
+ .zq_mode_noterm = 0,
+
+ /*
+ * Dynamic Clock: Always Running
+ * Memory Burst length: 8
+ * Number of chips: 1
+ * Memory Bus width: 32 bit
+ * Memory Type: DDR3
+ * Additional Latancy for PLL: 0 Cycle
+ */
+ .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
+ DMC_MEMCONTROL_TP_DISABLE |
+ DMC_MEMCONTROL_DSREF_ENABLE |
+ DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
+ DMC_MEMCONTROL_MEM_TYPE_DDR3 |
+ DMC_MEMCONTROL_MEM_WIDTH_32BIT |
+ DMC_MEMCONTROL_NUM_CHIP_1 |
+ DMC_MEMCONTROL_BL_8 |
+ DMC_MEMCONTROL_PZQ_DISABLE |
+ DMC_MEMCONTROL_MRR_BYTE_7_0,
+ .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
+ DMC_MEMCONFIGx_CHIP_COL_10 |
+ DMC_MEMCONFIGx_CHIP_ROW_15 |
+ DMC_MEMCONFIGx_CHIP_BANK_8,
+ .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
+ .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
+ .prechconfig_tp_cnt = 0xff,
+ .dpwrdn_cyc = 0xff,
+ .dsref_cyc = 0xffff,
+ .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
+ DMC_CONCONTROL_TIMEOUT_LEVEL0 |
+ DMC_CONCONTROL_RD_FETCH_DISABLE |
+ DMC_CONCONTROL_EMPTY_DISABLE |
+ DMC_CONCONTROL_AREF_EN_DISABLE |
+ DMC_CONCONTROL_IO_PD_CON_DISABLE,
+ .dmc_channels = 2,
+ .chips_per_channel = 2,
+ .chips_to_configure = 1,
+ .send_zq_init = 1,
+ .impedance = IMP_OUTPUT_DRV_30_OHM,
+ .gate_leveling_enable = 0,
+ }, {
+ .mem_manuf = MEM_MANUF_SAMSUNG,
+ .mem_type = DDR_MODE_DDR3,
+ .frequency_mhz = 800,
+ .mpll_mdiv = 0x64,
+ .mpll_pdiv = 0x3,
+ .mpll_sdiv = 0x0,
+ .cpll_mdiv = 0xde,
+ .cpll_pdiv = 0x4,
+ .cpll_sdiv = 0x2,
+ .gpll_mdiv = 0x215,
+ .gpll_pdiv = 0xc,
+ .gpll_sdiv = 0x1,
+ .epll_mdiv = 0x60,
+ .epll_pdiv = 0x3,
+ .epll_sdiv = 0x3,
+ .vpll_mdiv = 0x96,
+ .vpll_pdiv = 0x3,
+ .vpll_sdiv = 0x2,
+
+ .bpll_mdiv = 0x64,
+ .bpll_pdiv = 0x3,
+ .bpll_sdiv = 0x0,
+ .use_bpll = 0,
+ .pclk_cdrex_ratio = 0x5,
+ .direct_cmd_msr = {
+ 0x00020018, 0x00030000, 0x00010000, 0x00000d70
+ },
+ .timing_ref = 0x000000bb,
+ .timing_row = 0x8c36660f,
+ .timing_data = 0x3630580b,
+ .timing_power = 0x41000a44,
+ .phy0_dqs = 0x08080808,
+ .phy1_dqs = 0x08080808,
+ .phy0_dq = 0x08080808,
+ .phy1_dq = 0x08080808,
+ .phy0_tFS = 0x8,
+ .phy1_tFS = 0x8,
+ .phy0_pulld_dqs = 0xf,
+ .phy1_pulld_dqs = 0xf,
+
+ .lpddr3_ctrl_phy_reset = 0x1,
+ .ctrl_start_point = 0x10,
+ .ctrl_inc = 0x10,
+ .ctrl_start = 0x1,
+ .ctrl_dll_on = 0x1,
+ .ctrl_ref = 0x8,
+
+ .ctrl_force = 0x1a,
+ .ctrl_rdlat = 0x0b,
+ .ctrl_bstlen = 0x08,
+
+ .fp_resync = 0x8,
+ .iv_size = 0x7,
+ .dfi_init_start = 1,
+ .aref_en = 1,
+
+ .rd_fetch = 0x3,
+
+ .zq_mode_dds = 0x5,
+ .zq_mode_term = 0x1,
+ .zq_mode_noterm = 1,
+
+ /*
+ * Dynamic Clock: Always Running
+ * Memory Burst length: 8
+ * Number of chips: 1
+ * Memory Bus width: 32 bit
+ * Memory Type: DDR3
+ * Additional Latancy for PLL: 0 Cycle
+ */
+ .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
+ DMC_MEMCONTROL_TP_DISABLE |
+ DMC_MEMCONTROL_DSREF_ENABLE |
+ DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
+ DMC_MEMCONTROL_MEM_TYPE_DDR3 |
+ DMC_MEMCONTROL_MEM_WIDTH_32BIT |
+ DMC_MEMCONTROL_NUM_CHIP_1 |
+ DMC_MEMCONTROL_BL_8 |
+ DMC_MEMCONTROL_PZQ_DISABLE |
+ DMC_MEMCONTROL_MRR_BYTE_7_0,
+ .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
+ DMC_MEMCONFIGx_CHIP_COL_10 |
+ DMC_MEMCONFIGx_CHIP_ROW_15 |
+ DMC_MEMCONFIGx_CHIP_BANK_8,
+ .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
+ .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
+ .prechconfig_tp_cnt = 0xff,
+ .dpwrdn_cyc = 0xff,
+ .dsref_cyc = 0xffff,
+ .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
+ DMC_CONCONTROL_TIMEOUT_LEVEL0 |
+ DMC_CONCONTROL_RD_FETCH_DISABLE |
+ DMC_CONCONTROL_EMPTY_DISABLE |
+ DMC_CONCONTROL_AREF_EN_DISABLE |
+ DMC_CONCONTROL_IO_PD_CON_DISABLE,
+ .dmc_channels = 2,
+ .chips_per_channel = 2,
+ .chips_to_configure = 1,
+ .send_zq_init = 1,
+ .impedance = IMP_OUTPUT_DRV_40_OHM,
+ .gate_leveling_enable = 1,
+ },
+ {
+ .mem_manuf = MEM_MANUF_ELPIDA,
+ .mem_type = DDR_MODE_DDR3,
+ .frequency_mhz = 780,
+ .mpll_mdiv = 0x64,
+ .mpll_pdiv = 0x3,
+ .mpll_sdiv = 0x0,
+ .cpll_mdiv = 0xde,
+ .cpll_pdiv = 0x4,
+ .cpll_sdiv = 0x2,
+ .gpll_mdiv = 0x215,
+ .gpll_pdiv = 0xc,
+ .gpll_sdiv = 0x1,
+ .epll_mdiv = 0x60,
+ .epll_pdiv = 0x3,
+ .epll_sdiv = 0x3,
+ .vpll_mdiv = 0x96,
+ .vpll_pdiv = 0x3,
+ .vpll_sdiv = 0x2,
+
+ .bpll_mdiv = 0x82,
+ .bpll_pdiv = 0x4,
+ .bpll_sdiv = 0x0,
+ .use_bpll = 1,
+ .pclk_cdrex_ratio = 0x5,
+ .direct_cmd_msr = {
+ 0x00020018, 0x00030000, 0x00010042, 0x00000d70
+ },
+ .timing_ref = 0x000000bb,
+ .timing_row = 0x8c36660f,
+ .timing_data = 0x3630580b,
+ .timing_power = 0x41000a44,
+ .phy0_dqs = 0x08080808,
+ .phy1_dqs = 0x08080808,
+ .phy0_dq = 0x08080808,
+ .phy1_dq = 0x08080808,
+ .phy0_tFS = 0x4,
+ .phy1_tFS = 0x4,
+ .phy0_pulld_dqs = 0xf,
+ .phy1_pulld_dqs = 0xf,
+
+ .lpddr3_ctrl_phy_reset = 0x1,
+ .ctrl_start_point = 0x10,
+ .ctrl_inc = 0x10,
+ .ctrl_start = 0x1,
+ .ctrl_dll_on = 0x1,
+ .ctrl_ref = 0x8,
+
+ .ctrl_force = 0x1a,
+ .ctrl_rdlat = 0x0b,
+ .ctrl_bstlen = 0x08,
+
+ .fp_resync = 0x8,
+ .iv_size = 0x7,
+ .dfi_init_start = 1,
+ .aref_en = 1,
+
+ .rd_fetch = 0x3,
+
+ .zq_mode_dds = 0x7,
+ .zq_mode_term = 0x1,
+ .zq_mode_noterm = 0,
+
+ /*
+ * Dynamic Clock: Always Running
+ * Memory Burst length: 8
+ * Number of chips: 1
+ * Memory Bus width: 32 bit
+ * Memory Type: DDR3
+ * Additional Latancy for PLL: 0 Cycle
+ */
+ .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
+ DMC_MEMCONTROL_TP_DISABLE |
+ DMC_MEMCONTROL_DSREF_ENABLE |
+ DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
+ DMC_MEMCONTROL_MEM_TYPE_DDR3 |
+ DMC_MEMCONTROL_MEM_WIDTH_32BIT |
+ DMC_MEMCONTROL_NUM_CHIP_1 |
+ DMC_MEMCONTROL_BL_8 |
+ DMC_MEMCONTROL_PZQ_DISABLE |
+ DMC_MEMCONTROL_MRR_BYTE_7_0,
+ .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
+ DMC_MEMCONFIGx_CHIP_COL_10 |
+ DMC_MEMCONFIGx_CHIP_ROW_15 |
+ DMC_MEMCONFIGx_CHIP_BANK_8,
+ .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
+ .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
+ .prechconfig_tp_cnt = 0xff,
+ .dpwrdn_cyc = 0xff,
+ .dsref_cyc = 0xffff,
+ .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
+ DMC_CONCONTROL_TIMEOUT_LEVEL0 |
+ DMC_CONCONTROL_RD_FETCH_DISABLE |
+ DMC_CONCONTROL_EMPTY_DISABLE |
+ DMC_CONCONTROL_AREF_EN_DISABLE |
+ DMC_CONCONTROL_IO_PD_CON_DISABLE,
+ .dmc_channels = 2,
+ .chips_per_channel = 2,
+ .chips_to_configure = 1,
+ .send_zq_init = 1,
+ .impedance = IMP_OUTPUT_DRV_30_OHM,
+ .gate_leveling_enable = 0,
+ }, {
+ .mem_manuf = MEM_MANUF_SAMSUNG,
+ .mem_type = DDR_MODE_DDR3,
+ .frequency_mhz = 780,
+ .mpll_mdiv = 0x64,
+ .mpll_pdiv = 0x3,
+ .mpll_sdiv = 0x0,
+ .cpll_mdiv = 0xde,
+ .cpll_pdiv = 0x4,
+ .cpll_sdiv = 0x2,
+ .gpll_mdiv = 0x215,
+ .gpll_pdiv = 0xc,
+ .gpll_sdiv = 0x1,
+ .epll_mdiv = 0x60,
+ .epll_pdiv = 0x3,
+ .epll_sdiv = 0x3,
+ .vpll_mdiv = 0x96,
+ .vpll_pdiv = 0x3,
+ .vpll_sdiv = 0x2,
+
+ .bpll_mdiv = 0x82,
+ .bpll_pdiv = 0x4,
+ .bpll_sdiv = 0x0,
+ .use_bpll = 1,
+ .pclk_cdrex_ratio = 0x5,
+ .direct_cmd_msr = {
+ 0x00020018, 0x00030000, 0x00010000, 0x00000d70
+ },
+ .timing_ref = 0x000000bb,
+ .timing_row = 0x8c36660f,
+ .timing_data = 0x3630580b,
+ .timing_power = 0x41000a44,
+ .phy0_dqs = 0x08080808,
+ .phy1_dqs = 0x08080808,
+ .phy0_dq = 0x08080808,
+ .phy1_dq = 0x08080808,
+ .phy0_tFS = 0x8,
+ .phy1_tFS = 0x8,
+ .phy0_pulld_dqs = 0xf,
+ .phy1_pulld_dqs = 0xf,
+
+ .lpddr3_ctrl_phy_reset = 0x1,
+ .ctrl_start_point = 0x10,
+ .ctrl_inc = 0x10,
+ .ctrl_start = 0x1,
+ .ctrl_dll_on = 0x1,
+ .ctrl_ref = 0x8,
+
+ .ctrl_force = 0x1a,
+ .ctrl_rdlat = 0x0b,
+ .ctrl_bstlen = 0x08,
+
+ .fp_resync = 0x8,
+ .iv_size = 0x7,
+ .dfi_init_start = 1,
+ .aref_en = 1,
+
+ .rd_fetch = 0x3,
+
+ .zq_mode_dds = 0x5,
+ .zq_mode_term = 0x1,
+ .zq_mode_noterm = 1,
+
+ /*
+ * Dynamic Clock: Always Running
+ * Memory Burst length: 8
+ * Number of chips: 1
+ * Memory Bus width: 32 bit
+ * Memory Type: DDR3
+ * Additional Latancy for PLL: 0 Cycle
+ */
+ .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_DISABLE |
+ DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
+ DMC_MEMCONTROL_TP_DISABLE |
+ DMC_MEMCONTROL_DSREF_ENABLE |
+ DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
+ DMC_MEMCONTROL_MEM_TYPE_DDR3 |
+ DMC_MEMCONTROL_MEM_WIDTH_32BIT |
+ DMC_MEMCONTROL_NUM_CHIP_1 |
+ DMC_MEMCONTROL_BL_8 |
+ DMC_MEMCONTROL_PZQ_DISABLE |
+ DMC_MEMCONTROL_MRR_BYTE_7_0,
+ .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
+ DMC_MEMCONFIGx_CHIP_COL_10 |
+ DMC_MEMCONFIGx_CHIP_ROW_15 |
+ DMC_MEMCONFIGx_CHIP_BANK_8,
+ .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
+ .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
+ .prechconfig_tp_cnt = 0xff,
+ .dpwrdn_cyc = 0xff,
+ .dsref_cyc = 0xffff,
+ .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
+ DMC_CONCONTROL_TIMEOUT_LEVEL0 |
+ DMC_CONCONTROL_RD_FETCH_DISABLE |
+ DMC_CONCONTROL_EMPTY_DISABLE |
+ DMC_CONCONTROL_AREF_EN_DISABLE |
+ DMC_CONCONTROL_IO_PD_CON_DISABLE,
+ .dmc_channels = 2,
+ .chips_per_channel = 2,
+ .chips_to_configure = 1,
+ .send_zq_init = 1,
+ .impedance = IMP_OUTPUT_DRV_40_OHM,
+ .gate_leveling_enable = 1,
+ }
+};
+
+struct mem_timings *get_mem_timings(void)
+{
+ int i;
+ enum snow_board_config board_config;
+ enum ddr_mode mem_type;
+ unsigned int frequency_mhz;
+ enum mem_manuf mem_manuf;
+ struct mem_timings *mem;
+
+ board_config = board_get_config();
+ switch (board_config) {
+ case SNOW_CONFIG_ELPIDA_EVT:
+ case SNOW_CONFIG_ELPIDA_DVT:
+ case SNOW_CONFIG_ELPIDA_PVT:
+ case SNOW_CONFIG_ELPIDA_MP:
+ mem_manuf = MEM_MANUF_ELPIDA;
+ mem_type = DDR_MODE_DDR3;
+ frequency_mhz = 800;
+ break;
+ case SNOW_CONFIG_SAMSUNG_EVT:
+ case SNOW_CONFIG_SAMSUNG_DVT:
+ case SNOW_CONFIG_SAMSUNG_PVT:
+ case SNOW_CONFIG_SAMSUNG_MP:
+ mem_manuf = MEM_MANUF_SAMSUNG;
+ mem_type = DDR_MODE_DDR3;
+ frequency_mhz = 800;
+ break;
+ default:
+ printk(BIOS_CRIT, "Unable to determine board config\n");
+ return NULL;
+ }
+
+ for (i = 0, mem = mem_timings; i < ARRAY_SIZE(mem_timings);
+ i++, mem++) {
+ if (mem->mem_type == mem_type &&
+ mem->frequency_mhz == frequency_mhz &&
+ mem->mem_manuf == mem_manuf)
+ return mem;
+ }
+
+ return NULL;
+}
diff --git a/src/mainboard/google/snow/romstage.c b/src/mainboard/google/snow/romstage.c
index fae371a3de..03fd1be550 100644
--- a/src/mainboard/google/snow/romstage.c
+++ b/src/mainboard/google/snow/romstage.c
@@ -24,13 +24,14 @@
#include <cbfs.h>
#include <common.h>
-#include <cpu/samsung/exynos5250/setup.h>
#include <cpu/samsung/exynos5250/dmc.h>
-#include <cpu/samsung/exynos5250/clock_init.h>
+#include <cpu/samsung/exynos5250/setup.h>
+
#include <console/console.h>
-#include <arch/bootblock_exit.h>
#include <arch/stages.h>
+#include "mainboard.h"
+
void main(void)
{
struct cbfs_media cbfs;
@@ -43,28 +44,31 @@ void main(void)
struct mem_timings *mem;
int ret;
- mem = clock_get_mem_timings();
- printk(BIOS_SPEW, "clock_get_mem_timings returns 0x%p\n", mem);
+ mem = get_mem_timings();
+ if (!mem) {
+ printk(BIOS_CRIT, "Unable to auto-detect memory timings\n");
+ while(1);
+ }
printk(BIOS_SPEW, "man: 0x%x type: 0x%x, div: 0x%x, mhz: 0x%x\n",
mem->mem_manuf,
mem->mem_type,
mem->mpll_mdiv,
mem->frequency_mhz);
- ret = ddr3_mem_ctrl_init(mem, DMC_INTERLEAVE_SIZE);
- if (ret) {
- printk(BIOS_ERR, "Memory controller init failed, err: %x\n",
- ret);
- while(1);
- }
+ ret = ddr3_mem_ctrl_init(mem, DMC_INTERLEAVE_SIZE);
+ if (ret) {
+ printk(BIOS_ERR, "Memory controller init failed, err: %x\n",
+ ret);
+ while(1);
+ }
- printk(BIOS_INFO, "ddr3_init done\n");
+ printk(BIOS_INFO, "ddr3_init done\n");
/* wow, did it work? */
int i;
u32 *c = (void *)CONFIG_RAMBASE;
// mmu_setup(CONFIG_SYS_SDRAM_BASE, CONFIG_DRAM_SIZE_MB * 1024);
-// printk(BIOS_INFO, "mmu_setup done\n");
+// printk(BIOS_INFO, "mmu_setup done\n");
for(i = 0; i < 16384; i++)
c[i] = i+32768;
for(i = 0; i < 16384; i++)
@@ -72,6 +76,7 @@ void main(void)
printk(BIOS_SPEW, "BADc[%02x]: %02x,", i, c[i]);
for(i = 0; i < 1048576; i++)
c[i] = 0;
+
ret = init_default_cbfs_media(&cbfs);
if (ret){
printk(BIOS_ERR, "init_default_cbfs_media returned %d: HALT\n",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 14:15:24 +0000