[U-Boot] [PATCH v3 1/2] exynos5250: Add arndale board support

Inderpal Singh
2013-07-02T04:41:51Z

Arndale board is based on samsung's exynos5250 soc.

Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
---
MAINTAINERS | 4 +
board/samsung/arndale/Makefile | 58 +++
board/samsung/arndale/arndale.c | 103 +++++
board/samsung/arndale/arndale_spl.c | 66 +++
board/samsung/arndale/clock_init.c | 655 ++++++++++++++++++++++++++++++
board/samsung/arndale/clock_init.h | 149 +++++++
board/samsung/arndale/dmc_common.c | 199 +++++++++
board/samsung/arndale/dmc_init_ddr3.c | 228 +++++++++++
board/samsung/arndale/lowlevel_init.S | 92 +++++
board/samsung/arndale/mmc_boot.c | 58 +++
board/samsung/arndale/setup.h | 569 ++++++++++++++++++++++++++
board/samsung/dts/exynos5250-arndale.dts | 23 ++
boards.cfg | 1 +
include/configs/arndale.h | 36 ++
14 files changed, 2241 insertions(+)
create mode 100644 board/samsung/arndale/Makefile
create mode 100644 board/samsung/arndale/arndale.c
create mode 100644 board/samsung/arndale/arndale_spl.c
create mode 100644 board/samsung/arndale/clock_init.c
create mode 100644 board/samsung/arndale/clock_init.h
create mode 100644 board/samsung/arndale/dmc_common.c
create mode 100644 board/samsung/arndale/dmc_init_ddr3.c
create mode 100644 board/samsung/arndale/lowlevel_init.S
create mode 100644 board/samsung/arndale/mmc_boot.c
create mode 100644 board/samsung/arndale/setup.h
create mode 100644 board/samsung/dts/exynos5250-arndale.dts
create mode 100644 include/configs/arndale.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 7820375..e1b6808 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -743,6 +743,10 @@ Chander Kashyap <k.chander@samsung.com>
SMDKV310 ARM ARMV7 (EXYNOS4210 SoC)
SMDK5250 ARM ARMV7 (EXYNOS5250 SoC)

+Inderpal Singh <inderpal.singh@linaro.org>
+
+ Arndale ARM ARMV7 (EXYNOS5250 SoC)
+
Lukasz Majewski <l.majewski@samsung.com>

trats ARM ARMV7 (EXYNOS4210 SoC)
diff --git a/board/samsung/arndale/Makefile b/board/samsung/arndale/Makefile
new file mode 100644
index 0000000..6a15d34
--- /dev/null
+++ b/board/samsung/arndale/Makefile
@@ -0,0 +1,58 @@
+#
+# Copyright (C) 2013 Samsung Electronics
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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; either version 2 of
+# the License, or (at your option) any later version.
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+SOBJS := lowlevel_init.o
+
+COBJS := clock_init.o
+COBJS += dmc_common.o dmc_init_ddr3.o
+COBJS += arndale_spl.o
+
+ifndef CONFIG_SPL_BUILD
+COBJS += arndale.o
+endif
+
+ifdef CONFIG_SPL_BUILD
+COBJS += mmc_boot.o
+endif
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+ALL := $(obj).depend $(LIB)
+
+all: $(ALL)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/samsung/arndale/arndale.c b/board/samsung/arndale/arndale.c
new file mode 100644
index 0000000..627583b
--- /dev/null
+++ b/board/samsung/arndale/arndale.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+ return 0;
+}
+
+int dram_init(void)
+{
+ int i;
+ u32 addr;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+ gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+ }
+ return 0;
+}
+
+int power_init_board(void)
+{
+ set_ps_hold_ctrl();
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ int i;
+ u32 addr, size;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+ size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+
+ gd->bd->bi_dram[i].start = addr;
+ gd->bd->bi_dram[i].size = size;
+ }
+}
+
+static int board_uart_init(void)
+{
+ int err, uart_id, ret = 0;
+
+ for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
+ err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
+ if (err) {
+ debug("UART%d not configured\n",
+ (uart_id - PERIPH_ID_UART0));
+ ret |= err;
+ }
+ }
+ return ret;
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+ int err;
+ err = board_uart_init();
+ if (err) {
+ debug("UART init failed\n");
+ return err;
+ }
+ return err;
+}
+#endif
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+ printf("\nBoard: Arndale\n");
+
+ return 0;
+}
+#endif
+
diff --git a/board/samsung/arndale/arndale_spl.c b/board/samsung/arndale/arndale_spl.c
new file mode 100644
index 0000000..8135708
--- /dev/null
+++ b/board/samsung/arndale/arndale_spl.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/arch/spl.h>
+
+#define SIGNATURE 0xdeadbeef
+
+/* Parameters of early board initialization in SPL */
+static struct spl_machine_param machine_param
+ __attribute__((section(".machine_param"))) = {
+ .signature = SIGNATURE,
+ .version = 1,
+ .params = "vmubfasirM",
+ .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 = 1000,
+ .serial_base = 0x12c30000,
+ .i2c_base = 0x12c60000,
+ .mem_manuf = MEM_MANUF_SAMSUNG,
+};
+
+struct spl_machine_param *spl_get_machine_params(void)
+{
+ if (machine_param.signature != SIGNATURE) {
+ /* Will hang if SIGNATURE dont match */
+ while (1)
+ ;
+ }
+
+ return &machine_param;
+}
diff --git a/board/samsung/arndale/clock_init.c b/board/samsung/arndale/clock_init.c
new file mode 100644
index 0000000..a9b0bbd
--- /dev/null
+++ b/board/samsung/arndale/clock_init.c
@@ -0,0 +1,655 @@
+/*
+ * Clock setup for Arndale board based on EXYNOS5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <config.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/spl.h>
+
+#include "clock_init.h"
+#include "setup.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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 = 0xc8,
+ .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,
+ .pclk_cdrex_ratio = 0x5,
+ .direct_cmd_msr = {
+ 0x00020018, 0x00030000, 0x00010042, 0x00000d70
+ },
+ .timing_ref = 0x000000bb,
+ .timing_row = 0x8c36650e,
+ .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 = 0xc8,
+ .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,
+ .pclk_cdrex_ratio = 0x5,
+ .direct_cmd_msr = {
+ 0x00020018, 0x00030000, 0x00010000, 0x00000d70
+ },
+ .timing_ref = 0x000000bb,
+ .timing_row = 0x8c36650e,
+ .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,
+ }
+};
+
+/**
+ * Get the required memory type and speed (SPL version).
+ *
+ * In SPL we have no device tree, so we use the machine parameters
+ *
+ * @param mem_type Returns memory type
+ * @param frequency_mhz Returns memory speed in MHz
+ * @param arm_freq Returns ARM clock speed in MHz
+ * @param mem_manuf Return Memory Manufacturer name
+ * @return 0 if all ok
+ */
+static 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 = spl_get_machine_params();
+ *mem_type = params->mem_type;
+ *frequency_mhz = params->frequency_mhz;
+ *arm_freq = params->arm_freq_mhz;
+ *mem_manuf = params->mem_manuf;
+
+ return 0;
+}
+
+/* Get the ratios for setting ARM clock */
+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;
+
+ 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;
+ }
+
+ /* will hang if failed to find clock ratio */
+ while (1)
+ ;
+
+ return NULL;
+}
+
+struct mem_timings *clock_get_mem_timings(void)
+{
+ 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;
+ }
+ }
+
+ /* will hang if failed to find memory timings */
+ while (1)
+ ;
+
+ return NULL;
+}
+
+void system_clock_init()
+{
+ struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
+ struct mem_timings *mem;
+ struct arm_clk_ratios *arm_clk_ratio;
+ u32 val, tmp;
+
+ 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_core1, MUX_CPLL_SEL_MASK);
+ clrbits_le32(&clk->src_core1, MUX_EPLL_SEL_MASK);
+ clrbits_le32(&clk->src_core1, MUX_VPLL_SEL_MASK);
+ clrbits_le32(&clk->src_core1, 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)
+ ;
+
+ /* 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)
+ ;
+
+ /* Set 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)
+ ;
+
+ /* 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)
+ ;
+
+ /* 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)
+ ;
+
+ /* 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)
+ ;
+
+ /* 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)
+ ;
+
+ 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))
+ ;
+
+ 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(CLK_DIV_PERIC3_VAL, &clk->div_peric3);
+
+ 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);
+}
diff --git a/board/samsung/arndale/clock_init.h b/board/samsung/arndale/clock_init.h
new file mode 100644
index 0000000..5d01a6c
--- /dev/null
+++ b/board/samsung/arndale/clock_init.h
@@ -0,0 +1,149 @@
+/*
+ * Clock initialization routines
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 __ARNDALE_CLOCK_INIT_H
+#define __ARNDALE_CLOCK_INIT_H
+
+enum {
+ MEM_TIMINGS_MSR_COUNT = 4,
+};
+
+/* These are the ratio's for configuring ARM clock */
+struct arm_clk_ratios {
+ unsigned arm_freq_mhz; /* Frequency of ARM core in MHz */
+
+ unsigned apll_mdiv;
+ unsigned apll_pdiv;
+ unsigned apll_sdiv;
+
+ unsigned arm2_ratio;
+ unsigned apll_ratio;
+ unsigned pclk_dbg_ratio;
+ unsigned atb_ratio;
+ unsigned periph_ratio;
+ unsigned acp_ratio;
+ unsigned cpud_ratio;
+ unsigned 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 frequency_mhz; /* Frequency of memory in MHz */
+
+ /* Here follow the timing parameters for the selected memory */
+ unsigned apll_mdiv;
+ unsigned apll_pdiv;
+ unsigned apll_sdiv;
+ unsigned mpll_mdiv;
+ unsigned mpll_pdiv;
+ unsigned mpll_sdiv;
+ unsigned cpll_mdiv;
+ unsigned cpll_pdiv;
+ unsigned cpll_sdiv;
+ unsigned gpll_mdiv;
+ unsigned gpll_pdiv;
+ unsigned gpll_sdiv;
+ unsigned epll_mdiv;
+ unsigned epll_pdiv;
+ unsigned epll_sdiv;
+ unsigned vpll_mdiv;
+ unsigned vpll_pdiv;
+ unsigned vpll_sdiv;
+ unsigned bpll_mdiv;
+ unsigned bpll_pdiv;
+ unsigned bpll_sdiv;
+ unsigned pclk_cdrex_ratio;
+ unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];
+
+ unsigned timing_ref;
+ unsigned timing_row;
+ unsigned timing_data;
+ unsigned timing_power;
+
+ /* DQS, DQ, DEBUG offsets */
+ unsigned phy0_dqs;
+ unsigned phy1_dqs;
+ unsigned phy0_dq;
+ unsigned phy1_dq;
+ unsigned phy0_tFS;
+ unsigned phy1_tFS;
+ unsigned phy0_pulld_dqs;
+ unsigned phy1_pulld_dqs;
+
+ unsigned lpddr3_ctrl_phy_reset;
+ unsigned ctrl_start_point;
+ unsigned ctrl_inc;
+ unsigned ctrl_start;
+ unsigned ctrl_dll_on;
+ unsigned ctrl_ref;
+
+ unsigned ctrl_force;
+ unsigned ctrl_rdlat;
+ unsigned ctrl_bstlen;
+
+ unsigned fp_resync;
+ unsigned iv_size;
+ unsigned dfi_init_start;
+ unsigned aref_en;
+
+ unsigned rd_fetch;
+
+ unsigned zq_mode_dds;
+ unsigned zq_mode_term;
+ unsigned zq_mode_noterm; /* 1 to allow termination disable */
+
+ unsigned memcontrol;
+ unsigned memconfig;
+
+ unsigned membaseconfig0;
+ unsigned membaseconfig1;
+ unsigned prechconfig_tp_cnt;
+ unsigned dpwrdn_cyc;
+ unsigned dsref_cyc;
+ unsigned 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 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.
+ *
+ * @return pointer to the memory timings that we should use
+ */
+struct mem_timings *clock_get_mem_timings(void);
+
+/*
+ * Initialize clock for the device
+ */
+void system_clock_init(void);
+#endif
diff --git a/board/samsung/arndale/dmc_common.c b/board/samsung/arndale/dmc_common.c
new file mode 100644
index 0000000..5a51def
--- /dev/null
+++ b/board/samsung/arndale/dmc_common.c
@@ -0,0 +1,199 @@
+/*
+ * Mem setup common file for different types of DDR present on Arndale boards.
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/arch/spl.h>
+
+#include "clock_init.h"
+#include "setup.h"
+
+#define ZQ_INIT_TIMEOUT 10000
+
+int dmc_config_zq(struct mem_timings *mem,
+ struct exynos5_phy_control *phy0_ctrl,
+ struct exynos5_phy_control *phy1_ctrl)
+{
+ unsigned long val = 0;
+ int i;
+
+ /*
+ * ZQ Calibration:
+ * Select Driver Strength,
+ * long calibration for manual calibration
+ */
+ val = PHY_CON16_RESET_VAL;
+ val |= mem->zq_mode_dds << PHY_CON16_ZQ_MODE_DDS_SHIFT;
+ val |= mem->zq_mode_term << PHY_CON16_ZQ_MODE_TERM_SHIFT;
+ val |= ZQ_CLK_DIV_EN;
+ writel(val, &phy0_ctrl->phy_con16);
+ writel(val, &phy1_ctrl->phy_con16);
+
+ /* Disable termination */
+ if (mem->zq_mode_noterm)
+ val |= PHY_CON16_ZQ_MODE_NOTERM_MASK;
+ writel(val, &phy0_ctrl->phy_con16);
+ writel(val, &phy1_ctrl->phy_con16);
+
+ /* ZQ_MANUAL_START: Enable */
+ val |= ZQ_MANUAL_STR;
+ writel(val, &phy0_ctrl->phy_con16);
+ writel(val, &phy1_ctrl->phy_con16);
+
+ /* ZQ_MANUAL_START: Disable */
+ val &= ~ZQ_MANUAL_STR;
+
+ /*
+ * Since we are manaully calibrating the ZQ values,
+ * we are looping for the ZQ_init to complete.
+ */
+ i = ZQ_INIT_TIMEOUT;
+ while ((readl(&phy0_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
+ sdelay(100);
+ i--;
+ }
+ if (!i)
+ return -1;
+ writel(val, &phy0_ctrl->phy_con16);
+
+ i = ZQ_INIT_TIMEOUT;
+ while ((readl(&phy1_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) {
+ sdelay(100);
+ i--;
+ }
+ if (!i)
+ return -1;
+ writel(val, &phy1_ctrl->phy_con16);
+
+ return 0;
+}
+
+void update_reset_dll(struct exynos5_dmc *dmc, enum ddr_mode mode)
+{
+ unsigned long val;
+
+ if (mode == DDR_MODE_DDR3) {
+ val = MEM_TERM_EN | PHY_TERM_EN | DMC_CTRL_SHGATE;
+ writel(val, &dmc->phycontrol0);
+ }
+
+ /* Update DLL Information: Force DLL Resyncronization */
+ val = readl(&dmc->phycontrol0);
+ val |= FP_RSYNC;
+ writel(val, &dmc->phycontrol0);
+
+ /* Reset Force DLL Resyncronization */
+ val = readl(&dmc->phycontrol0);
+ val &= ~FP_RSYNC;
+ writel(val, &dmc->phycontrol0);
+}
+
+void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc)
+{
+ int channel, chip;
+
+ for (channel = 0; channel < mem->dmc_channels; channel++) {
+ unsigned long mask;
+
+ mask = channel << DIRECT_CMD_CHANNEL_SHIFT;
+ for (chip = 0; chip < mem->chips_to_configure; chip++) {
+ int i;
+
+ mask |= chip << DIRECT_CMD_CHIP_SHIFT;
+
+ /* Sending NOP command */
+ writel(DIRECT_CMD_NOP | mask, &dmc->directcmd);
+
+ /*
+ * TODO(alim.akhtar at samsung.com): Do we need these
+ * delays? This one and the next were not there for
+ * DDR3.
+ */
+ sdelay(0x10000);
+
+ /* Sending EMRS/MRS commands */
+ for (i = 0; i < MEM_TIMINGS_MSR_COUNT; i++) {
+ writel(mem->direct_cmd_msr[i] | mask,
+ &dmc->directcmd);
+ sdelay(0x10000);
+ }
+
+ if (mem->send_zq_init) {
+ /* Sending ZQINIT command */
+ writel(DIRECT_CMD_ZQINIT | mask,
+ &dmc->directcmd);
+
+ sdelay(10000);
+ }
+ }
+ }
+}
+
+void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc)
+{
+ int channel, chip;
+
+ for (channel = 0; channel < mem->dmc_channels; channel++) {
+ unsigned long mask;
+
+ mask = channel << DIRECT_CMD_CHANNEL_SHIFT;
+ for (chip = 0; chip < mem->chips_per_channel; chip++) {
+ mask |= chip << DIRECT_CMD_CHIP_SHIFT;
+
+ /* PALL (all banks precharge) CMD */
+ writel(DIRECT_CMD_PALL | mask, &dmc->directcmd);
+ sdelay(0x10000);
+ }
+ }
+}
+
+void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc)
+{
+ writel(mem->memconfig, &dmc->memconfig0);
+ writel(mem->memconfig, &dmc->memconfig1);
+ writel(DMC_MEMBASECONFIG0_VAL, &dmc->membaseconfig0);
+ writel(DMC_MEMBASECONFIG1_VAL, &dmc->membaseconfig1);
+}
+
+void mem_ctrl_init()
+{
+ struct spl_machine_param *param = spl_get_machine_params();
+ struct mem_timings *mem;
+ int ret;
+
+ mem = clock_get_mem_timings();
+
+ /* If there are any other memory variant, add their init call below */
+ if (param->mem_type == DDR_MODE_DDR3) {
+ ret = ddr3_mem_ctrl_init(mem, param->mem_iv_size);
+ if (ret) {
+ /* will hang if failed to init memory control */
+ while (1)
+ ;
+ }
+ } else {
+ /* will hang if unknow memory type */
+ while (1)
+ ;
+ }
+}
diff --git a/board/samsung/arndale/dmc_init_ddr3.c b/board/samsung/arndale/dmc_init_ddr3.c
new file mode 100644
index 0000000..ce91451
--- /dev/null
+++ b/board/samsung/arndale/dmc_init_ddr3.c
@@ -0,0 +1,228 @@
+/*
+ * DDR3 mem setup file for Arndale board based on EXYNOS5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <config.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dmc.h>
+#include "setup.h"
+#include "clock_init.h"
+
+#define RDLVL_COMPLETE_TIMEOUT 10000
+
+static void reset_phy_ctrl(void)
+{
+ struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
+
+ writel(DDR3PHY_CTRL_PHY_RESET_OFF, &clk->lpddr3phy_ctrl);
+ writel(DDR3PHY_CTRL_PHY_RESET, &clk->lpddr3phy_ctrl);
+}
+
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size)
+{
+ unsigned int val;
+ struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl;
+ struct exynos5_dmc *dmc;
+ int i;
+
+ phy0_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY0_BASE;
+ phy1_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY1_BASE;
+ dmc = (struct exynos5_dmc *)EXYNOS5_DMC_CTRL_BASE;
+
+ reset_phy_ctrl();
+
+ /* Set Impedance Output Driver */
+ val = (mem->impedance << CA_CK_DRVR_DS_OFFSET) |
+ (mem->impedance << CA_CKE_DRVR_DS_OFFSET) |
+ (mem->impedance << CA_CS_DRVR_DS_OFFSET) |
+ (mem->impedance << CA_ADR_DRVR_DS_OFFSET);
+ writel(val, &phy0_ctrl->phy_con39);
+ writel(val, &phy1_ctrl->phy_con39);
+
+ /* Set Read Latency and Burst Length for PHY0 and PHY1 */
+ val = (mem->ctrl_bstlen << PHY_CON42_CTRL_BSTLEN_SHIFT) |
+ (mem->ctrl_rdlat << PHY_CON42_CTRL_RDLAT_SHIFT);
+ writel(val, &phy0_ctrl->phy_con42);
+ writel(val, &phy1_ctrl->phy_con42);
+
+ /* ZQ Calibration */
+ if (dmc_config_zq(mem, phy0_ctrl, phy1_ctrl))
+ return SETUP_ERR_ZQ_CALIBRATION_FAILURE;
+
+ /* DQ Signal */
+ writel(mem->phy0_pulld_dqs, &phy0_ctrl->phy_con14);
+ writel(mem->phy1_pulld_dqs, &phy1_ctrl->phy_con14);
+
+ writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)
+ | (mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT),
+ &dmc->concontrol);
+
+ update_reset_dll(dmc, DDR_MODE_DDR3);
+
+ /* DQS Signal */
+ writel(mem->phy0_dqs, &phy0_ctrl->phy_con4);
+ writel(mem->phy1_dqs, &phy1_ctrl->phy_con4);
+
+ writel(mem->phy0_dq, &phy0_ctrl->phy_con6);
+ writel(mem->phy1_dq, &phy1_ctrl->phy_con6);
+
+ writel(mem->phy0_tFS, &phy0_ctrl->phy_con10);
+ writel(mem->phy1_tFS, &phy1_ctrl->phy_con10);
+
+ val = (mem->ctrl_start_point << PHY_CON12_CTRL_START_POINT_SHIFT) |
+ (mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
+ (mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) |
+ (mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
+ writel(val, &phy0_ctrl->phy_con12);
+ writel(val, &phy1_ctrl->phy_con12);
+
+ /* Start DLL locking */
+ writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
+ &phy0_ctrl->phy_con12);
+ writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
+ &phy1_ctrl->phy_con12);
+
+ update_reset_dll(dmc, DDR_MODE_DDR3);
+
+ writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
+ &dmc->concontrol);
+
+ /* Memory Channel Inteleaving Size */
+ writel(mem->iv_size, &dmc->ivcontrol);
+
+ writel(mem->memconfig, &dmc->memconfig0);
+ writel(mem->memconfig, &dmc->memconfig1);
+ writel(mem->membaseconfig0, &dmc->membaseconfig0);
+ writel(mem->membaseconfig1, &dmc->membaseconfig1);
+
+ /* Precharge Configuration */
+ writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
+ &dmc->prechconfig);
+
+ /* Power Down mode Configuration */
+ writel(mem->dpwrdn_cyc << PWRDNCONFIG_DPWRDN_CYC_SHIFT |
+ mem->dsref_cyc << PWRDNCONFIG_DSREF_CYC_SHIFT,
+ &dmc->pwrdnconfig);
+
+ /* TimingRow, TimingData, TimingPower and Timingaref
+ * values as per Memory AC parameters
+ */
+ writel(mem->timing_ref, &dmc->timingref);
+ writel(mem->timing_row, &dmc->timingrow);
+ writel(mem->timing_data, &dmc->timingdata);
+ writel(mem->timing_power, &dmc->timingpower);
+
+ /* Send PALL command */
+ dmc_config_prech(mem, dmc);
+
+ /* Send NOP, MRS and ZQINIT commands */
+ dmc_config_mrs(mem, dmc);
+
+ if (mem->gate_leveling_enable) {
+ val = PHY_CON0_RESET_VAL;
+ val |= P0_CMD_EN;
+ writel(val, &phy0_ctrl->phy_con0);
+ writel(val, &phy1_ctrl->phy_con0);
+
+ val = PHY_CON2_RESET_VAL;
+ val |= INIT_DESKEW_EN;
+ writel(val, &phy0_ctrl->phy_con2);
+ writel(val, &phy1_ctrl->phy_con2);
+
+ val = PHY_CON0_RESET_VAL;
+ val |= P0_CMD_EN;
+ val |= BYTE_RDLVL_EN;
+ writel(val, &phy0_ctrl->phy_con0);
+ writel(val, &phy1_ctrl->phy_con0);
+
+ val = (mem->ctrl_start_point <<
+ PHY_CON12_CTRL_START_POINT_SHIFT) |
+ (mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
+ (mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) |
+ (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) |
+ (mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
+ writel(val, &phy0_ctrl->phy_con12);
+ writel(val, &phy1_ctrl->phy_con12);
+
+ val = PHY_CON2_RESET_VAL;
+ val |= INIT_DESKEW_EN;
+ val |= RDLVL_GATE_EN;
+ writel(val, &phy0_ctrl->phy_con2);
+ writel(val, &phy1_ctrl->phy_con2);
+
+ val = PHY_CON0_RESET_VAL;
+ val |= P0_CMD_EN;
+ val |= BYTE_RDLVL_EN;
+ val |= CTRL_SHGATE;
+ writel(val, &phy0_ctrl->phy_con0);
+ writel(val, &phy1_ctrl->phy_con0);
+
+ val = PHY_CON1_RESET_VAL;
+ val &= ~(CTRL_GATEDURADJ_MASK);
+ writel(val, &phy0_ctrl->phy_con1);
+ writel(val, &phy1_ctrl->phy_con1);
+
+ writel(CTRL_RDLVL_GATE_ENABLE, &dmc->rdlvl_config);
+ i = RDLVL_COMPLETE_TIMEOUT;
+ while ((readl(&dmc->phystatus) &
+ (RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1)) !=
+ (RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1) && i > 0) {
+ /*
+ * TODO(waihong): Comment on how long this take to
+ * timeout
+ */
+ sdelay(100);
+ i--;
+ }
+ if (!i)
+ return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
+ writel(CTRL_RDLVL_GATE_DISABLE, &dmc->rdlvl_config);
+
+ writel(0, &phy0_ctrl->phy_con14);
+ writel(0, &phy1_ctrl->phy_con14);
+
+ val = (mem->ctrl_start_point <<
+ PHY_CON12_CTRL_START_POINT_SHIFT) |
+ (mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
+ (mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) |
+ (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) |
+ (mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) |
+ (mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
+ writel(val, &phy0_ctrl->phy_con12);
+ writel(val, &phy1_ctrl->phy_con12);
+
+ update_reset_dll(dmc, DDR_MODE_DDR3);
+ }
+
+ /* Send PALL command */
+ dmc_config_prech(mem, dmc);
+
+ writel(mem->memcontrol, &dmc->memcontrol);
+
+ /* Set DMC Concontrol and enable auto-refresh counter */
+ writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)
+ | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT), &dmc->concontrol);
+ return 0;
+}
diff --git a/board/samsung/arndale/lowlevel_init.S b/board/samsung/arndale/lowlevel_init.S
new file mode 100644
index 0000000..4fa73a7
--- /dev/null
+++ b/board/samsung/arndale/lowlevel_init.S
@@ -0,0 +1,92 @@
+/*
+ * Lowlevel setup for Arndale board based on Exynos5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/arch/cpu.h>
+
+_TEXT_BASE:
+ .word CONFIG_SYS_TEXT_BASE
+
+ .globl lowlevel_init
+lowlevel_init:
+
+ /* use iRAM stack in bl2 */
+ ldr sp, =CONFIG_IRAM_STACK
+ stmdb r13!, {ip,lr}
+
+ /* check reset status */
+ ldr r0, =(EXYNOS5_POWER_BASE + INFORM1_OFFSET)
+ ldr r1, [r0]
+
+ /* AFTR wakeup reset */
+ ldr r2, =S5P_CHECK_DIDLE
+ cmp r1, r2
+ beq exit_wakeup
+
+ /* Sleep wakeup reset */
+ ldr r2, =S5P_CHECK_SLEEP
+ cmp r1, r2
+ beq wakeup_reset
+
+ /*
+ * If U-boot is already running in RAM, no need to relocate U-Boot.
+ * Memory controller must be configured before relocating U-Boot
+ * in ram.
+ */
+ ldr r0, =0x0ffffff /* r0 <- Mask Bits*/
+ bic r1, pc, r0 /* pc <- current addr of code */
+ /* r1 <- unmasked bits of pc */
+ ldr r2, _TEXT_BASE /* r2 <- original base addr in ram */
+ bic r2, r2, r0 /* r2 <- unmasked bits of r2*/
+ cmp r1, r2 /* compare r1, r2 */
+ beq 1f /* r0 == r1 then skip sdram init */
+
+ /* init system clock */
+ bl system_clock_init
+
+ /* Memory initialize */
+ bl mem_ctrl_init
+1:
+ bl arch_cpu_init
+ bl tzpc_init
+ ldmia r13!, {ip,pc}
+
+wakeup_reset:
+ bl system_clock_init
+ bl mem_ctrl_init
+ bl arch_cpu_init
+ bl tzpc_init
+
+exit_wakeup:
+ /* Load return address and jump to kernel */
+ ldr r0, =(EXYNOS5_POWER_BASE + INFORM0_OFFSET)
+
+ /* r1 = physical address of exynos5_cpu_resume function*/
+ ldr r1, [r0]
+
+ /* Jump to kernel */
+ mov pc, r1
+ nop
+ nop
diff --git a/board/samsung/arndale/mmc_boot.c b/board/samsung/arndale/mmc_boot.c
new file mode 100644
index 0000000..72219a0
--- /dev/null
+++ b/board/samsung/arndale/mmc_boot.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include<common.h>
+#include<config.h>
+
+/*
+* Copy U-boot from mmc to RAM:
+* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
+* Pointer to API (Data transfer from mmc to ram)
+*/
+void copy_uboot_to_ram(void)
+{
+ u32 (*copy_bl2)(u32, u32, u32) = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
+
+ copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE);
+}
+
+void board_init_f(unsigned long bootflag)
+{
+ __attribute__((noreturn)) void (*uboot)(void);
+ copy_uboot_to_ram();
+
+ /* Jump to U-Boot image */
+ uboot = (void *)CONFIG_SYS_TEXT_BASE;
+ (*uboot)();
+ /* Never returns Here */
+}
+
+/* Place Holders */
+void board_init_r(gd_t *id, ulong dest_addr)
+{
+ /* Function attribute is no-return */
+ /* This Function never executes */
+ while (1)
+ ;
+}
+
+void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {}
diff --git a/board/samsung/arndale/setup.h b/board/samsung/arndale/setup.h
new file mode 100644
index 0000000..622b148
--- /dev/null
+++ b/board/samsung/arndale/setup.h
@@ -0,0 +1,569 @@
+/*
+ * Machine Specific Values for Arndale board based on EXYNOS5
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 _ARNDALE_SETUP_H
+#define _ARNDALE_SETUP_H
+
+#include <config.h>
+#include <asm/arch/dmc.h>
+
+/* APLL_CON1 */
+#define APLL_CON1_VAL (0x00203800)
+
+/* MPLL_CON1 */
+#define MPLL_CON1_VAL (0x00203800)
+
+/* CPLL_CON1 */
+#define CPLL_CON1_VAL (0x00203800)
+
+/* GPLL_CON1 */
+#define GPLL_CON1_VAL (0x00203800)
+
+/* EPLL_CON1, CON2 */
+#define EPLL_CON1_VAL 0x00000000
+#define EPLL_CON2_VAL 0x00000080
+
+/* VPLL_CON1, CON2 */
+#define VPLL_CON1_VAL 0x00000000
+#define VPLL_CON2_VAL 0x00000080
+
+/* BPLL_CON1 */
+#define BPLL_CON1_VAL 0x00203800
+
+/* Set PLL */
+#define set_pll(mdiv, pdiv, sdiv) (1<<31 | mdiv<<16 | pdiv<<8 | sdiv)
+
+/* CLK_SRC_CPU */
+/* 0 = MOUTAPLL, 1 = SCLKMPLL */
+#define MUX_HPM_SEL 0
+#define MUX_CPU_SEL 0
+#define MUX_APLL_SEL 1
+
+#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \
+ | (MUX_CPU_SEL << 16) \
+ | (MUX_APLL_SEL))
+
+/* MEMCONTROL register bit fields */
+#define DMC_MEMCONTROL_CLK_STOP_DISABLE (0 << 0)
+#define DMC_MEMCONTROL_DPWRDN_DISABLE (0 << 1)
+#define DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE (0 << 2)
+#define DMC_MEMCONTROL_TP_DISABLE (0 << 4)
+#define DMC_MEMCONTROL_DSREF_DISABLE (0 << 5)
+#define DMC_MEMCONTROL_DSREF_ENABLE (1 << 5)
+#define DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(x) (x << 6)
+
+#define DMC_MEMCONTROL_MEM_TYPE_LPDDR3 (7 << 8)
+#define DMC_MEMCONTROL_MEM_TYPE_DDR3 (6 << 8)
+#define DMC_MEMCONTROL_MEM_TYPE_LPDDR2 (5 << 8)
+
+#define DMC_MEMCONTROL_MEM_WIDTH_32BIT (2 << 12)
+
+#define DMC_MEMCONTROL_NUM_CHIP_1 (0 << 16)
+#define DMC_MEMCONTROL_NUM_CHIP_2 (1 << 16)
+
+#define DMC_MEMCONTROL_BL_8 (3 << 20)
+#define DMC_MEMCONTROL_BL_4 (2 << 20)
+
+#define DMC_MEMCONTROL_PZQ_DISABLE (0 << 24)
+
+#define DMC_MEMCONTROL_MRR_BYTE_7_0 (0 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_15_8 (1 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_23_16 (2 << 25)
+#define DMC_MEMCONTROL_MRR_BYTE_31_24 (3 << 25)
+
+/* MEMCONFIG0 register bit fields */
+#define DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED (1 << 12)
+#define DMC_MEMCONFIGx_CHIP_COL_10 (3 << 8)
+#define DMC_MEMCONFIGx_CHIP_ROW_14 (2 << 4)
+#define DMC_MEMCONFIGx_CHIP_ROW_15 (3 << 4)
+#define DMC_MEMCONFIGx_CHIP_BANK_8 (3 << 0)
+
+#define DMC_MEMBASECONFIGx_CHIP_BASE(x) (x << 16)
+#define DMC_MEMBASECONFIGx_CHIP_MASK(x) (x << 0)
+#define DMC_MEMBASECONFIG_VAL(x) ( \
+ DMC_MEMBASECONFIGx_CHIP_BASE(x) | \
+ DMC_MEMBASECONFIGx_CHIP_MASK(0x780) \
+)
+
+#define DMC_MEMBASECONFIG0_VAL DMC_MEMBASECONFIG_VAL(0x40)
+#define DMC_MEMBASECONFIG1_VAL DMC_MEMBASECONFIG_VAL(0x80)
+
+#define DMC_PRECHCONFIG_VAL 0xFF000000
+#define DMC_PWRDNCONFIG_VAL 0xFFFF00FF
+
+#define DMC_CONCONTROL_RESET_VAL 0x0FFF0000
+#define DFI_INIT_START (1 << 28)
+#define EMPTY (1 << 8)
+#define AREF_EN (1 << 5)
+
+#define DFI_INIT_COMPLETE_CHO (1 << 2)
+#define DFI_INIT_COMPLETE_CH1 (1 << 3)
+
+#define RDLVL_COMPLETE_CHO (1 << 14)
+#define RDLVL_COMPLETE_CH1 (1 << 15)
+
+#define CLK_STOP_EN (1 << 0)
+#define DPWRDN_EN (1 << 1)
+#define DSREF_EN (1 << 5)
+
+/* COJCONTROL register bit fields */
+#define DMC_CONCONTROL_IO_PD_CON_DISABLE (0 << 3)
+#define DMC_CONCONTROL_AREF_EN_DISABLE (0 << 5)
+#define DMC_CONCONTROL_EMPTY_DISABLE (0 << 8)
+#define DMC_CONCONTROL_EMPTY_ENABLE (1 << 8)
+#define DMC_CONCONTROL_RD_FETCH_DISABLE (0x0 << 12)
+#define DMC_CONCONTROL_TIMEOUT_LEVEL0 (0xFFF << 16)
+#define DMC_CONCONTROL_DFI_INIT_START_DISABLE (0 << 28)
+
+/* CLK_DIV_CPU0_VAL */
+#define CLK_DIV_CPU0_VAL ((ARM2_RATIO << 28) \
+ | (APLL_RATIO << 24) \
+ | (PCLK_DBG_RATIO << 20) \
+ | (ATB_RATIO << 16) \
+ | (PERIPH_RATIO << 12) \
+ | (ACP_RATIO << 8) \
+ | (CPUD_RATIO << 4) \
+ | (ARM_RATIO))
+
+
+/* CLK_FSYS */
+#define CLK_SRC_FSYS0_VAL 0x66666
+#define CLK_DIV_FSYS0_VAL 0x0BB00000
+
+/* CLK_DIV_CPU1 */
+#define HPM_RATIO 0x2
+#define COPY_RATIO 0x0
+
+/* CLK_DIV_CPU1 = 0x00000003 */
+#define CLK_DIV_CPU1_VAL ((HPM_RATIO << 4) \
+ | (COPY_RATIO))
+
+/* CLK_SRC_CORE0 */
+#define CLK_SRC_CORE0_VAL 0x00000000
+
+/* CLK_SRC_CORE1 */
+#define CLK_SRC_CORE1_VAL 0x100
+
+/* CLK_DIV_CORE0 */
+#define CLK_DIV_CORE0_VAL 0x00120000
+
+/* CLK_DIV_CORE1 */
+#define CLK_DIV_CORE1_VAL 0x07070700
+
+/* CLK_DIV_SYSRGT */
+#define CLK_DIV_SYSRGT_VAL 0x00000111
+
+/* CLK_DIV_ACP */
+#define CLK_DIV_ACP_VAL 0x12
+
+/* CLK_DIV_SYSLFT */
+#define CLK_DIV_SYSLFT_VAL 0x00000311
+
+/* CLK_SRC_CDREX */
+#define CLK_SRC_CDREX_VAL 0x1
+
+/* CLK_DIV_CDREX */
+#define MCLK_CDREX2_RATIO 0x0
+#define ACLK_EFCON_RATIO 0x1
+#define MCLK_DPHY_RATIO 0x1
+#define MCLK_CDREX_RATIO 0x1
+#define ACLK_C2C_200_RATIO 0x1
+#define C2C_CLK_400_RATIO 0x1
+#define PCLK_CDREX_RATIO 0x1
+#define ACLK_CDREX_RATIO 0x1
+
+#define CLK_DIV_CDREX_VAL ((MCLK_DPHY_RATIO << 24) \
+ | (C2C_CLK_400_RATIO << 6) \
+ | (PCLK_CDREX_RATIO << 4) \
+ | (ACLK_CDREX_RATIO))
+
+/* CLK_SRC_TOP0 */
+#define MUX_ACLK_300_GSCL_SEL 0x0
+#define MUX_ACLK_300_GSCL_MID_SEL 0x0
+#define MUX_ACLK_400_G3D_MID_SEL 0x0
+#define MUX_ACLK_333_SEL 0x0
+#define MUX_ACLK_300_DISP1_SEL 0x0
+#define MUX_ACLK_300_DISP1_MID_SEL 0x0
+#define MUX_ACLK_200_SEL 0x0
+#define MUX_ACLK_166_SEL 0x0
+#define CLK_SRC_TOP0_VAL ((MUX_ACLK_300_GSCL_SEL << 25) \
+ | (MUX_ACLK_300_GSCL_MID_SEL << 24) \
+ | (MUX_ACLK_400_G3D_MID_SEL << 20) \
+ | (MUX_ACLK_333_SEL << 16) \
+ | (MUX_ACLK_300_DISP1_SEL << 15) \
+ | (MUX_ACLK_300_DISP1_MID_SEL << 14) \
+ | (MUX_ACLK_200_SEL << 12) \
+ | (MUX_ACLK_166_SEL << 8))
+
+/* CLK_SRC_TOP1 */
+#define MUX_ACLK_400_G3D_SEL 0x1
+#define MUX_ACLK_400_ISP_SEL 0x0
+#define MUX_ACLK_400_IOP_SEL 0x0
+#define MUX_ACLK_MIPI_HSI_TXBASE_SEL 0x0
+#define MUX_ACLK_300_GSCL_MID1_SEL 0x0
+#define MUX_ACLK_300_DISP1_MID1_SEL 0x0
+#define CLK_SRC_TOP1_VAL ((MUX_ACLK_400_G3D_SEL << 28) \
+ |(MUX_ACLK_400_ISP_SEL << 24) \
+ |(MUX_ACLK_400_IOP_SEL << 20) \
+ |(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16) \
+ |(MUX_ACLK_300_GSCL_MID1_SEL << 12) \
+ |(MUX_ACLK_300_DISP1_MID1_SEL << 8))
+
+/* CLK_SRC_TOP2 */
+#define MUX_GPLL_SEL 0x1
+#define MUX_BPLL_USER_SEL 0x0
+#define MUX_MPLL_USER_SEL 0x0
+#define MUX_VPLL_SEL 0x1
+#define MUX_EPLL_SEL 0x1
+#define MUX_CPLL_SEL 0x1
+#define VPLLSRC_SEL 0x0
+#define CLK_SRC_TOP2_VAL ((MUX_GPLL_SEL << 28) \
+ | (MUX_BPLL_USER_SEL << 24) \
+ | (MUX_MPLL_USER_SEL << 20) \
+ | (MUX_VPLL_SEL << 16) \
+ | (MUX_EPLL_SEL << 12) \
+ | (MUX_CPLL_SEL << 8) \
+ | (VPLLSRC_SEL))
+/* CLK_SRC_TOP3 */
+#define MUX_ACLK_333_SUB_SEL 0x1
+#define MUX_ACLK_400_SUB_SEL 0x1
+#define MUX_ACLK_266_ISP_SUB_SEL 0x1
+#define MUX_ACLK_266_GPS_SUB_SEL 0x0
+#define MUX_ACLK_300_GSCL_SUB_SEL 0x1
+#define MUX_ACLK_266_GSCL_SUB_SEL 0x1
+#define MUX_ACLK_300_DISP1_SUB_SEL 0x1
+#define MUX_ACLK_200_DISP1_SUB_SEL 0x1
+#define CLK_SRC_TOP3_VAL ((MUX_ACLK_333_SUB_SEL << 24) \
+ | (MUX_ACLK_400_SUB_SEL << 20) \
+ | (MUX_ACLK_266_ISP_SUB_SEL << 16) \
+ | (MUX_ACLK_266_GPS_SUB_SEL << 12) \
+ | (MUX_ACLK_300_GSCL_SUB_SEL << 10) \
+ | (MUX_ACLK_266_GSCL_SUB_SEL << 8) \
+ | (MUX_ACLK_300_DISP1_SUB_SEL << 6) \
+ | (MUX_ACLK_200_DISP1_SUB_SEL << 4))
+
+/* CLK_DIV_TOP0 */
+#define ACLK_300_DISP1_RATIO 0x2
+#define ACLK_400_G3D_RATIO 0x0
+#define ACLK_333_RATIO 0x0
+#define ACLK_266_RATIO 0x2
+#define ACLK_200_RATIO 0x3
+#define ACLK_166_RATIO 0x1
+#define ACLK_133_RATIO 0x1
+#define ACLK_66_RATIO 0x5
+
+#define CLK_DIV_TOP0_VAL ((ACLK_300_DISP1_RATIO << 28) \
+ | (ACLK_400_G3D_RATIO << 24) \
+ | (ACLK_333_RATIO << 20) \
+ | (ACLK_266_RATIO << 16) \
+ | (ACLK_200_RATIO << 12) \
+ | (ACLK_166_RATIO << 8) \
+ | (ACLK_133_RATIO << 4) \
+ | (ACLK_66_RATIO))
+
+/* CLK_DIV_TOP1 */
+#define ACLK_MIPI_HSI_TX_BASE_RATIO 0x3
+#define ACLK_66_PRE_RATIO 0x1
+#define ACLK_400_ISP_RATIO 0x1
+#define ACLK_400_IOP_RATIO 0x1
+#define ACLK_300_GSCL_RATIO 0x2
+
+#define CLK_DIV_TOP1_VAL ((ACLK_MIPI_HSI_TX_BASE_RATIO << 28) \
+ | (ACLK_66_PRE_RATIO << 24) \
+ | (ACLK_400_ISP_RATIO << 20) \
+ | (ACLK_400_IOP_RATIO << 16) \
+ | (ACLK_300_GSCL_RATIO << 12))
+
+/* APLL_LOCK */
+#define APLL_LOCK_VAL (0x546)
+/* MPLL_LOCK */
+#define MPLL_LOCK_VAL (0x546)
+/* CPLL_LOCK */
+#define CPLL_LOCK_VAL (0x546)
+/* GPLL_LOCK */
+#define GPLL_LOCK_VAL (0x546)
+/* EPLL_LOCK */
+#define EPLL_LOCK_VAL (0x3A98)
+/* VPLL_LOCK */
+#define VPLL_LOCK_VAL (0x3A98)
+/* BPLL_LOCK */
+#define BPLL_LOCK_VAL (0x546)
+
+#define MUX_APLL_SEL_MASK (1 << 0)
+#define MUX_MPLL_SEL_MASK (1 << 8)
+#define MPLL_SEL_MOUT_MPLLFOUT (2 << 8)
+#define MUX_CPLL_SEL_MASK (1 << 8)
+#define MUX_EPLL_SEL_MASK (1 << 12)
+#define MUX_VPLL_SEL_MASK (1 << 16)
+#define MUX_GPLL_SEL_MASK (1 << 28)
+#define MUX_BPLL_SEL_MASK (1 << 0)
+#define MUX_HPM_SEL_MASK (1 << 20)
+#define HPM_SEL_SCLK_MPLL (1 << 21)
+#define APLL_CON0_LOCKED (1 << 29)
+#define MPLL_CON0_LOCKED (1 << 29)
+#define BPLL_CON0_LOCKED (1 << 29)
+#define CPLL_CON0_LOCKED (1 << 29)
+#define EPLL_CON0_LOCKED (1 << 29)
+#define GPLL_CON0_LOCKED (1 << 29)
+#define VPLL_CON0_LOCKED (1 << 29)
+#define CLK_REG_DISABLE 0x0
+#define TOP2_VAL 0x0110000
+
+/* CLK_SRC_PERIC0 */
+#define PWM_SEL 0
+#define UART3_SEL 6
+#define UART2_SEL 6
+#define UART1_SEL 6
+#define UART0_SEL 6
+/* SRC_CLOCK = SCLK_MPLL */
+#define CLK_SRC_PERIC0_VAL ((PWM_SEL << 24) \
+ | (UART3_SEL << 12) \
+ | (UART2_SEL << 8) \
+ | (UART1_SEL << 4) \
+ | (UART0_SEL))
+
+/* CLK_SRC_PERIC1 */
+/* SRC_CLOCK = SCLK_MPLL */
+#define SPI0_SEL 6
+#define SPI1_SEL 6
+#define SPI2_SEL 6
+#define CLK_SRC_PERIC1_VAL ((SPI2_SEL << 24) \
+ | (SPI1_SEL << 20) \
+ | (SPI0_SEL << 16))
+
+/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */
+#define SPI0_ISP_SEL 6
+#define SPI1_ISP_SEL 6
+#define SCLK_SRC_ISP_VAL ((SPI1_ISP_SEL << 4) \
+ | (SPI0_ISP_SEL << 0))
+
+/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */
+#define SPI0_ISP_RATIO 0xf
+#define SPI1_ISP_RATIO 0xf
+#define SCLK_DIV_ISP_VAL ((SPI1_ISP_RATIO << 12) \
+ | (SPI0_ISP_RATIO << 0))
+
+/* CLK_DIV_PERIL0 */
+#define UART5_RATIO 7
+#define UART4_RATIO 7
+#define UART3_RATIO 7
+#define UART2_RATIO 7
+#define UART1_RATIO 7
+#define UART0_RATIO 7
+
+#define CLK_DIV_PERIC0_VAL ((UART3_RATIO << 12) \
+ | (UART2_RATIO << 8) \
+ | (UART1_RATIO << 4) \
+ | (UART0_RATIO))
+/* CLK_DIV_PERIC1 */
+#define SPI1_RATIO 0x7
+#define SPI0_RATIO 0xf
+#define SPI1_SUB_RATIO 0x0
+#define SPI0_SUB_RATIO 0x0
+#define CLK_DIV_PERIC1_VAL ((SPI1_SUB_RATIO << 24) \
+ | ((SPI1_RATIO << 16) \
+ | (SPI0_SUB_RATIO << 8) \
+ | (SPI0_RATIO << 0)))
+
+/* CLK_DIV_PERIC2 */
+#define SPI2_RATIO 0xf
+#define SPI2_SUB_RATIO 0x0
+#define CLK_DIV_PERIC2_VAL ((SPI2_SUB_RATIO << 8) \
+ | (SPI2_RATIO << 0))
+
+/* CLK_DIV_PERIC3 */
+#define PWM_RATIO 8
+#define CLK_DIV_PERIC3_VAL (PWM_RATIO << 0)
+
+/* CLK_DIV_FSYS2 */
+#define MMC2_RATIO_MASK 0xf
+#define MMC2_RATIO_VAL 0x3
+#define MMC2_RATIO_OFFSET 0
+
+#define MMC2_PRE_RATIO_MASK 0xff
+#define MMC2_PRE_RATIO_VAL 0x9
+#define MMC2_PRE_RATIO_OFFSET 8
+
+#define MMC3_RATIO_MASK 0xf
+#define MMC3_RATIO_VAL 0x1
+#define MMC3_RATIO_OFFSET 16
+
+#define MMC3_PRE_RATIO_MASK 0xff
+#define MMC3_PRE_RATIO_VAL 0x0
+#define MMC3_PRE_RATIO_OFFSET 24
+
+/* CLK_SRC_LEX */
+#define CLK_SRC_LEX_VAL 0x0
+
+/* CLK_DIV_LEX */
+#define CLK_DIV_LEX_VAL 0x10
+
+/* CLK_DIV_R0X */
+#define CLK_DIV_R0X_VAL 0x10
+
+/* CLK_DIV_L0X */
+#define CLK_DIV_R1X_VAL 0x10
+
+/* CLK_DIV_ISP0 */
+#define CLK_DIV_ISP0_VAL 0x31
+
+/* CLK_DIV_ISP1 */
+#define CLK_DIV_ISP1_VAL 0x0
+
+/* CLK_DIV_ISP2 */
+#define CLK_DIV_ISP2_VAL 0x1
+
+/* CLK_SRC_DISP1_0 */
+#define CLK_SRC_DISP1_0_VAL 0x6
+
+/*
+ * DIV_DISP1_0
+ * For DP, divisor should be 2
+ */
+#define CLK_DIV_DISP1_0_FIMD1 (2 << 0)
+
+/* CLK_GATE_IP_DISP1 */
+#define CLK_GATE_DP1_ALLOW (1 << 4)
+
+#define DDR3PHY_CTRL_PHY_RESET (1 << 0)
+#define DDR3PHY_CTRL_PHY_RESET_OFF (0 << 0)
+
+#define PHY_CON0_RESET_VAL 0x17020a40
+#define P0_CMD_EN (1 << 14)
+#define BYTE_RDLVL_EN (1 << 13)
+#define CTRL_SHGATE (1 << 8)
+
+#define PHY_CON1_RESET_VAL 0x09210100
+#define CTRL_GATEDURADJ_MASK (0xf << 20)
+
+#define PHY_CON2_RESET_VAL 0x00010004
+#define INIT_DESKEW_EN (1 << 6)
+#define RDLVL_GATE_EN (1 << 24)
+
+/*ZQ Configurations */
+#define PHY_CON16_RESET_VAL 0x08000304
+
+#define ZQ_CLK_DIV_EN (1 << 18)
+#define ZQ_MANUAL_STR (1 << 1)
+#define ZQ_DONE (1 << 0)
+
+#define CTRL_RDLVL_GATE_ENABLE 1
+#define CTRL_RDLVL_GATE_DISABLE 1
+
+/* Direct Command */
+#define DIRECT_CMD_NOP 0x07000000
+#define DIRECT_CMD_PALL 0x01000000
+#define DIRECT_CMD_ZQINIT 0x0a000000
+#define DIRECT_CMD_CHANNEL_SHIFT 28
+#define DIRECT_CMD_CHIP_SHIFT 20
+
+/* DMC PHY Control0 register */
+#define PHY_CONTROL0_RESET_VAL 0x0
+#define MEM_TERM_EN (1 << 31) /* Termination enable for memory */
+#define PHY_TERM_EN (1 << 30) /* Termination enable for PHY */
+#define DMC_CTRL_SHGATE (1 << 29) /* Duration of DQS gating signal */
+#define FP_RSYNC (1 << 3) /* Force DLL resyncronization */
+
+/* Driver strength for CK, CKE, CS & CA */
+#define IMP_OUTPUT_DRV_40_OHM 0x5
+#define IMP_OUTPUT_DRV_30_OHM 0x7
+#define CA_CK_DRVR_DS_OFFSET 9
+#define CA_CKE_DRVR_DS_OFFSET 6
+#define CA_CS_DRVR_DS_OFFSET 3
+#define CA_ADR_DRVR_DS_OFFSET 0
+
+#define PHY_CON42_CTRL_BSTLEN_SHIFT 8
+#define PHY_CON42_CTRL_RDLAT_SHIFT 0
+
+struct mem_timings;
+
+/* Errors that we can encourter in low-level setup */
+enum {
+ SETUP_ERR_OK,
+ SETUP_ERR_RDLV_COMPLETE_TIMEOUT = -1,
+ SETUP_ERR_ZQ_CALIBRATION_FAILURE = -2,
+};
+
+/*
+ * Memory variant specific initialization code
+ *
+ * @param mem Memory timings for this memory type.
+ * @param mem_iv_size Memory interleaving size is a configurable parameter
+ * which the DMC uses to decide how to split a memory
+ * chunk into smaller chunks to support concurrent
+ * accesses; may vary across boards.
+ * @return 0 if ok, SETUP_ERR_... if there is a problem
+ */
+int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size);
+
+/*
+ * Configure ZQ I/O interface
+ *
+ * @param mem Memory timings for this memory type.
+ * @param phy0_ctrl Pointer to struct containing PHY0 control reg
+ * @param phy1_ctrl Pointer to struct containing PHY1 control reg
+ * @return 0 if ok, -1 on error
+ */
+int dmc_config_zq(struct mem_timings *mem,
+ struct exynos5_phy_control *phy0_ctrl,
+ struct exynos5_phy_control *phy1_ctrl);
+
+/*
+ * Send NOP and MRS/EMRS Direct commands
+ *
+ * @param mem Memory timings for this memory type.
+ * @param dmc Pointer to struct of DMC registers
+ */
+void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Send PALL Direct commands
+ *
+ * @param mem Memory timings for this memory type.
+ * @param dmc Pointer to struct of DMC registers
+ */
+void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Configure the memconfig and membaseconfig registers
+ *
+ * @param mem Memory timings for this memory type.
+ * @param exynos5_dmc Pointer to struct of DMC registers
+ */
+void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc);
+
+/*
+ * Reset the DLL. This function is common between DDR3 and LPDDR2.
+ * However, the reset value is different. So we are passing a flag
+ * ddr_mode to distinguish between LPDDR2 and DDR3.
+ *
+ * @param exynos5_dmc Pointer to struct of DMC registers
+ * @param ddr_mode Type of DDR memory
+ */
+void update_reset_dll(struct exynos5_dmc *, enum ddr_mode);
+
+void sdelay(unsigned long);
+void mem_ctrl_init(void);
+void system_clock_init(void);
+#endif
diff --git a/board/samsung/dts/exynos5250-arndale.dts b/board/samsung/dts/exynos5250-arndale.dts
new file mode 100644
index 0000000..3081ab4
--- /dev/null
+++ b/board/samsung/dts/exynos5250-arndale.dts
@@ -0,0 +1,23 @@
+/*
+ * SAMSUNG Arndale board device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/dts-v1/;
+/include/ ARCH_CPU_DTS
+
+/ {
+ model = "SAMSUNG Arndale board based on EXYNOS5250";
+ compatible = "samsung,arndale", "samsung,exynos5250";
+
+ aliases {
+ serial0 = "/serial at 12C20000";
+ console = "/serial@12C20000";
+ };
+};
diff --git a/boards.cfg b/boards.cfg
index 1e598cb..38c1ac7 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -319,6 +319,7 @@ origen arm armv7 origen samsung exynos
s5pc210_universal arm armv7 universal_c210 samsung exynos
snow arm armv7 smdk5250 samsung exynos
smdk5250 arm armv7 smdk5250 samsung exynos
+arndale arm armv7 arndale samsung exynos
smdkv310 arm armv7 smdkv310 samsung exynos
trats arm armv7 trats samsung exynos
harmony arm armv7:arm720t harmony nvidia tegra20
diff --git a/include/configs/arndale.h b/include/configs/arndale.h
new file mode 100644
index 0000000..63d636e
--- /dev/null
+++ b/include/configs/arndale.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * Configuration settings for the SAMSUNG Arndale board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 __CONFIG_ARNDALE_H
+#define __CONFIG_ARNDALE_H
+
+#include <configs/exynos5250-dt.h>
+
+#undef CONFIG_DEFAULT_DEVICE_TREE
+#define CONFIG_DEFAULT_DEVICE_TREE exynos5250-arndale
+
+#undef CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_IS_IN_MMC
+
+#endif /* __CONFIG_ARNDALE_H */
--
1.7.9.5