Arndale board is based on samsung's exynos5250 soc.
Signed-off-by: Inderpal Singh inderpal.singh@linaro.org --- MAINTAINERS | 4 + board/samsung/arndale/Makefile | 54 +++ board/samsung/arndale/arndale.c | 117 ++++++ 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/setup.h | 569 ++++++++++++++++++++++++++ board/samsung/dts/exynos5250-arndale.dts | 36 ++ boards.cfg | 1 + include/configs/arndale.h | 39 ++ tools/Makefile | 2 + 14 files changed, 2211 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/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 f6723ef..b112581 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -736,6 +736,10 @@ 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..f65d111 --- /dev/null +++ b/board/samsung/arndale/Makefile @@ -0,0 +1,54 @@ +# +# 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 + +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..7f8a568 --- /dev/null +++ b/board/samsung/arndale/arndale.c @@ -0,0 +1,117 @@ +/* + * 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/dwmmc.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; + } +} + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + int ret; + /* dwmmc initializattion for available channels */ + ret = exynos_dwmmc_init(gd->fdt_blob); + if (ret) + debug("dwmmc init failed\n"); + + return ret; +} +#endif + +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@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/setup.h b/board/samsung/arndale/setup.h new file mode 100644 index 0000000..f68dd75 --- /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..9b4d6b2 --- /dev/null +++ b/board/samsung/dts/exynos5250-arndale.dts @@ -0,0 +1,36 @@ +/* + * 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"; + + mmc@12200000 { + samsung,bus-width = <8>; + samsung,timing = <1 3 3>; + }; + + mmc@12210000 { + status = "disabled"; + }; + + mmc@12220000 { + samsung,bus-width = <4>; + samsung,timing = <1 2 3>; + }; + + mmc@12230000 { + status = "disabled"; + }; +}; diff --git a/boards.cfg b/boards.cfg index 54357eb..572b242 100644 --- a/boards.cfg +++ b/boards.cfg @@ -288,6 +288,7 @@ 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..caa83b8 --- /dev/null +++ b/include/configs/arndale.h @@ -0,0 +1,39 @@ +/* + * 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 + +#undef CONFIG_DEFAULT_DEVICE_TREE +#define CONFIG_DEFAULT_DEVICE_TREE exynos5250-arndale + +#define CONFIG_ARNDALE + +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_SERIAL2 +#define CONFIG_IDENT_STRING " for Arndale" + +#include <configs/exynos5250-dt.h> + +#endif /* __CONFIG_ARNDALE_H */ diff --git a/tools/Makefile b/tools/Makefile index c5952fc..ab7d339 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -69,6 +69,7 @@ BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) += xway-swap-bytes$(SFX) BIN_FILES-y += mkenvimage$(SFX) BIN_FILES-y += mkimage$(SFX) BIN_FILES-$(CONFIG_SMDK5250) += mksmdk5250spl$(SFX) +BIN_FILES-$(CONFIG_ARNDALE) += mkarndalespl$(SFX) BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX) BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX) BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX) @@ -99,6 +100,7 @@ NOPED_OBJ_FILES-y += omapimage.o NOPED_OBJ_FILES-y += mkenvimage.o NOPED_OBJ_FILES-y += mkimage.o OBJ_FILES-$(CONFIG_SMDK5250) += mkexynosspl.o +OBJ_FILES-$(CONFIG_ARNDALE) += mkexynosspl.o OBJ_FILES-$(CONFIG_MX23) += mxsboot.o OBJ_FILES-$(CONFIG_MX28) += mxsboot.o OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o