On 02/07/13 22:12, Rajeshwari Shinde wrote: > This patch performs the following: > > 1) Convert the assembly code for memory and clock initialization to C code. > 2) Move the memory and clock init codes from board/samsung to arch/arm > 3) Creat a common lowlevel_init file across Exynos4 and Exynos5. Converted > the common lowlevel_init from assembly to C-code > 4) Made spl_boot.c and tzpc_init.c common for both exynos4 and exynos5. > 5) Enable CONFIG_SKIP_LOWLEVEL_INIT as stack pointer initialisation is already > done in _main. > 6) exynos-uboot-spl.lds made common across SMDKV310, Origen and SMDK5250. > > TEST: Tested SD-MMC boot on SMDK5250 and Origen. > Tested USB and SPI boot on SMDK5250 > Compile tested for SMDKV310. > > Signed-off-by: Rajeshwari Shinde <rajeshwar...@samsung.com> > --- > Changes in V2: > - Rebased on latest u-boot-samsung tree. > - Incorporated review comments from Minkyu Kang. > Changes in V3: > - Optimised the mem_ctrl_init function for exynos4. > - Removed magic numbers. > arch/arm/cpu/armv7/exynos/Makefile | 17 +- > .../arm/cpu/armv7/exynos}/clock_init.h | 0 > arch/arm/cpu/armv7/exynos/clock_init_exynos4.c | 94 +++++ > .../arm/cpu/armv7/exynos/clock_init_exynos5.c | 47 +-- > arch/arm/cpu/armv7/exynos/common_setup.h | 43 ++ > .../arm/cpu/armv7/exynos}/dmc_common.c | 7 +- > .../arm/cpu/armv7/exynos}/dmc_init_ddr3.c | 19 +- > arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c | 212 ++++++++++ > .../arm/cpu/armv7/exynos/exynos4_setup.h | 397 +++++++++---------- > .../arm/cpu/armv7/exynos/exynos5_setup.h | 28 +- > arch/arm/cpu/armv7/exynos/lowlevel_init.c | 73 ++++ > .../arm/cpu/armv7/exynos}/spl_boot.c | 74 +++- > arch/arm/include/asm/arch-exynos/cpu.h | 5 +- > board/samsung/origen/Makefile | 11 +- > board/samsung/origen/lowlevel_init.S | 357 ----------------- > board/samsung/origen/mem_setup.S | 421 > -------------------- > board/samsung/origen/mmc_boot.c | 58 --- > board/samsung/smdk5250/Makefile | 14 +- > board/samsung/smdkv310/Makefile | 10 +- > board/samsung/smdkv310/lowlevel_init.S | 414 ------------------- > board/samsung/smdkv310/mem_setup.S | 365 ----------------- > board/samsung/smdkv310/mmc_boot.c | 60 --- > include/configs/exynos5250-dt.h | 8 +- > include/configs/origen.h | 8 +- > include/configs/smdkv310.h | 7 +- > 25 files changed, 770 insertions(+), 1979 deletions(-) > rename {board/samsung/smdk5250 => arch/arm/cpu/armv7/exynos}/clock_init.h > (100%) > create mode 100644 arch/arm/cpu/armv7/exynos/clock_init_exynos4.c > rename board/samsung/smdk5250/clock_init.c => > arch/arm/cpu/armv7/exynos/clock_init_exynos5.c (95%) > create mode 100644 arch/arm/cpu/armv7/exynos/common_setup.h > rename {board/samsung/smdk5250 => arch/arm/cpu/armv7/exynos}/dmc_common.c > (97%) > rename {board/samsung/smdk5250 => arch/arm/cpu/armv7/exynos}/dmc_init_ddr3.c > (95%) > create mode 100644 arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c > rename board/samsung/origen/origen_setup.h => > arch/arm/cpu/armv7/exynos/exynos4_setup.h (65%) > rename board/samsung/smdk5250/setup.h => > arch/arm/cpu/armv7/exynos/exynos5_setup.h (96%) > create mode 100644 arch/arm/cpu/armv7/exynos/lowlevel_init.c > rename {board/samsung/smdk5250 => arch/arm/cpu/armv7/exynos}/spl_boot.c (74%) > delete mode 100644 board/samsung/origen/lowlevel_init.S > delete mode 100644 board/samsung/origen/mem_setup.S > delete mode 100644 board/samsung/origen/mmc_boot.c > delete mode 100644 board/samsung/smdkv310/lowlevel_init.S > delete mode 100644 board/samsung/smdkv310/mem_setup.S > delete mode 100644 board/samsung/smdkv310/mmc_boot.c > > diff --git a/arch/arm/cpu/armv7/exynos/Makefile > b/arch/arm/cpu/armv7/exynos/Makefile > index b2f9152..4661155 100644 > --- a/arch/arm/cpu/armv7/exynos/Makefile > +++ b/arch/arm/cpu/armv7/exynos/Makefile > @@ -22,10 +22,19 @@ include $(TOPDIR)/config.mk > > LIB = $(obj)lib$(SOC).o > > -COBJS += clock.o power.o soc.o system.o pinmux.o tzpc.o > - > -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) > -OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) > +COBJS-y += clock.o power.o soc.o system.o pinmux.o tzpc.o > + > +ifdef CONFIG_SPL_BUILD > +COBJS-$(CONFIG_EXYNOS5) += clock_init_exynos5.o > +COBJS-$(CONFIG_EXYNOS5) += dmc_common.o dmc_init_ddr3.o > +COBJS-$(CONFIG_EXYNOS4210)+= dmc_init_exynos4.o clock_init_exynos4.o > +COBJS-y += spl_boot.o > +COBJS-y += lowlevel_init.o > +endif > + > +COBJS := $(COBJS-y) > +SRCS := $(COBJS:.o=.c) > +OBJS := $(addprefix $(obj),$(COBJS)) > > all: $(obj).depend $(LIB) > > diff --git a/board/samsung/smdk5250/clock_init.h > b/arch/arm/cpu/armv7/exynos/clock_init.h > similarity index 100% > rename from board/samsung/smdk5250/clock_init.h > rename to arch/arm/cpu/armv7/exynos/clock_init.h > diff --git a/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c > b/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c > new file mode 100644 > index 0000000..bee0b5c > --- /dev/null > +++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c > @@ -0,0 +1,94 @@ > +/* > + * Clock Initialization for board based on EXYNOS4210 > + * > + * Copyright (C) 2013 Samsung Electronics > + * Rajeshwari Shinde <rajeshwar...@samsung.com> > + * > + * 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 <version.h> > +#include <asm/io.h> > +#include <asm/arch/cpu.h> > +#include <asm/arch/clk.h> > +#include <asm/arch/clock.h> > +#include "common_setup.h" > +#include "exynos4_setup.h" > + > +/* > + * system_clock_init: Initialize core clock and bus clock. > + * void system_clock_init(void) > + */ > +void system_clock_init(void) > +{ > + struct exynos4_clock *clk = (struct exynos4_clock *)EXYNOS4_CLOCK_BASE;
NAK. > + > + writel(CLK_SRC_CPU_VAL, &clk->src_cpu); > + > + sdelay(0x10000); > + > + writel(CLK_SRC_TOP0_VAL, &clk->src_top0); > + writel(CLK_SRC_TOP1_VAL, &clk->src_top1); > + writel(CLK_SRC_DMC_VAL, &clk->src_dmc); > + writel(CLK_SRC_LEFTBUS_VAL, &clk->src_leftbus); > + writel(CLK_SRC_RIGHTBUS_VAL, &clk->src_rightbus); > + writel(CLK_SRC_FSYS_VAL, &clk->src_fsys); > + writel(CLK_SRC_PERIL0_VAL, &clk->src_peril0); > + writel(CLK_SRC_CAM_VAL, &clk->src_cam); > + writel(CLK_SRC_MFC_VAL, &clk->src_mfc); > + writel(CLK_SRC_G3D_VAL, &clk->src_g3d); > + writel(CLK_SRC_LCD0_VAL, &clk->src_lcd0); > + > + sdelay(0x10000); > + > + writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0); > + writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1); > + writel(CLK_DIV_DMC0_VAL, &clk->div_dmc0); > + writel(CLK_DIV_DMC1_VAL, &clk->div_dmc1); > + writel(CLK_DIV_LEFTBUS_VAL, &clk->div_leftbus); > + writel(CLK_DIV_RIGHTBUS_VAL, &clk->div_rightbus); > + writel(CLK_DIV_TOP_VAL, &clk->div_top); > + writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1); > + writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2); > + writel(CLK_DIV_FSYS3_VAL, &clk->div_fsys3); > + writel(CLK_DIV_PERIL0_VAL, &clk->div_peril0); > + writel(CLK_DIV_CAM_VAL, &clk->div_cam); > + writel(CLK_DIV_MFC_VAL, &clk->div_mfc); > + writel(CLK_DIV_G3D_VAL, &clk->div_g3d); > + writel(CLK_DIV_LCD0_VAL, &clk->div_lcd0); > + > + /* Set PLL locktime */ > + writel(PLL_LOCKTIME, &clk->apll_lock); > + writel(PLL_LOCKTIME, &clk->mpll_lock); > + writel(PLL_LOCKTIME, &clk->epll_lock); > + writel(PLL_LOCKTIME, &clk->vpll_lock); > + > + writel(APLL_CON1_VAL, &clk->apll_con1); > + writel(APLL_CON0_VAL, &clk->apll_con0); > + writel(MPLL_CON1_VAL, &clk->mpll_con1); > + writel(MPLL_CON0_VAL, &clk->mpll_con0); > + writel(EPLL_CON1_VAL, &clk->epll_con1); > + writel(EPLL_CON0_VAL, &clk->epll_con0); > + writel(VPLL_CON1_VAL, &clk->vpll_con1); > + writel(VPLL_CON0_VAL, &clk->vpll_con0); > + > + sdelay(0x30000); > +} > diff --git a/board/samsung/smdk5250/dmc_init_ddr3.c > b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c > similarity index 95% > rename from board/samsung/smdk5250/dmc_init_ddr3.c > rename to arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c > index e050790..de54af8 100644 > --- a/board/samsung/smdk5250/dmc_init_ddr3.c > +++ b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c > @@ -27,7 +27,8 @@ > #include <asm/arch/clock.h> > #include <asm/arch/cpu.h> > #include <asm/arch/dmc.h> > -#include "setup.h" > +#include "common_setup.h" > +#include "exynos5_setup.h" > #include "clock_init.h" > > #define RDLVL_COMPLETE_TIMEOUT 10000 > @@ -40,7 +41,8 @@ static void reset_phy_ctrl(void) > writel(DDR3PHY_CTRL_PHY_RESET, &clk->lpddr3phy_ctrl); > } > > -int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size) > +int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size, > + int reset) > { > unsigned int val; > struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl; > @@ -49,9 +51,10 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned > long mem_iv_size) > > phy0_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY0_BASE; > phy1_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY1_BASE; NAK. Please use function instead. > - dmc = (struct exynos5_dmc *)EXYNOS5_DMC_CTRL_BASE; > + dmc = (struct exynos5_dmc *)samsung_get_base_dmc0(); > > - reset_phy_ctrl(); > + if (reset) > + reset_phy_ctrl(); > > /* Set Impedance Output Driver */ > val = (mem->impedance << CA_CK_DRVR_DS_OFFSET) | > @@ -100,14 +103,14 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, > unsigned long mem_iv_size) > > /* Start DLL locking */ > writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT), > - &phy0_ctrl->phy_con12); > + &phy0_ctrl->phy_con12); > writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT), > - &phy1_ctrl->phy_con12); > + &phy1_ctrl->phy_con12); > > update_reset_dll(dmc, DDR_MODE_DDR3); > > writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT), > - &dmc->concontrol); > + &dmc->concontrol); > > /* Memory Channel Inteleaving Size */ > writel(mem->iv_size, &dmc->ivcontrol); > @@ -119,7 +122,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned > long mem_iv_size) > > /* Precharge Configuration */ > writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT, > - &dmc->prechconfig); > + &dmc->prechconfig); > > /* Power Down mode Configuration */ > writel(mem->dpwrdn_cyc << PWRDNCONFIG_DPWRDN_CYC_SHIFT | > diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c > b/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c > new file mode 100644 > index 0000000..636d84c > --- /dev/null > +++ b/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c > @@ -0,0 +1,212 @@ > +/* > + * Memory setup for board based on EXYNOS4210 > + * > + * Copyright (C) 2013 Samsung Electronics > + * Rajeshwari Shinde <rajeshwar...@samsung.com> > + * > + * 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/arch/dmc.h> > +#include "common_setup.h" > +#include "exynos4_setup.h" > + > +struct mem_timings mem = { > + .direct_cmd_msr = { > + DIRECT_CMD1, DIRECT_CMD2, DIRECT_CMD3, DIRECT_CMD4 > + }, > + .timingref = TIMINGREF_VAL, > + .timingrow = TIMINGROW_VAL, > + .timingdata = TIMINGDATA_VAL, > + .timingpower = TIMINGPOWER_VAL, > + .zqcontrol = ZQ_CONTROL_VAL, > + .control0 = CONTROL0_VAL, > + .control1 = CONTROL1_VAL, > + .control2 = CONTROL2_VAL, > + .concontrol = CONCONTROL_VAL, > + .prechconfig = PRECHCONFIG, > + .memcontrol = MEMCONTROL_VAL, > + .memconfig0 = MEMCONFIG0_VAL, > + .memconfig1 = MEMCONFIG1_VAL, > + .dll_resync = FORCE_DLL_RESYNC, > + .dll_on = DLL_CONTROL_ON, > +}; > +static void phy_control_reset(int ctrl_no, struct exynos4_dmc *dmc) > +{ > + if (ctrl_no) { > + writel((mem.control1 | (1 << mem.dll_resync)), > + &dmc->phycontrol1); > + writel((mem.control1 | (0 << mem.dll_resync)), > + &dmc->phycontrol1); > + } else { > + writel((mem.control0 | (0 << mem.dll_on)), > + &dmc->phycontrol0); > + writel((mem.control0 | (1 << mem.dll_on)), > + &dmc->phycontrol0); > + } > +} > + > +static void dmc_config_mrs(struct exynos4_dmc *dmc, int chip) > +{ > + int i; > + unsigned long mask = 0; > + > + if (chip) > + mask = DIRECT_CMD_CHIP1_SHIFT; > + > + for (i = 0; i < MEM_TIMINGS_MSR_COUNT; i++) { > + writel(mem.direct_cmd_msr[i] | mask, > + &dmc->directcmd); > + } > +} > + > +static void dmc_init(struct exynos4_dmc *dmc) > +{ > + /* > + * DLL Parameter Setting: > + * Termination: Enable R/W > + * Phase Delay for DQS Cleaning: 180' Shift > + */ > + writel(mem.control1, &dmc->phycontrol1); > + > + /* > + * ZQ Calibration > + * Termination: Disable > + * Auto Calibration Start: Enable > + */ > + writel(mem.zqcontrol, &dmc->phyzqcontrol); > + sdelay(0x100000); > + > + /* > + * Update DLL Information: > + * Force DLL Resyncronization > + */ > + phy_control_reset(1, dmc); > + phy_control_reset(0, dmc); > + > + /* Set DLL Parameters */ > + writel(mem.control1, &dmc->phycontrol1); > + > + /* DLL Start */ > + writel((mem.control0 | CTRL_START | CTRL_DLL_ON), &dmc->phycontrol0); > + > + writel(mem.control2, &dmc->phycontrol2); > + > + /* Set Clock Ratio of Bus clock to Memory Clock */ > + writel(mem.concontrol, &dmc->concontrol); > + > + /* > + * Memor Burst length: 8 > + * Number of chips: 2 > + * Memory Bus width: 32 bit > + * Memory Type: DDR3 > + * Additional Latancy for PLL: 1 Cycle > + */ > + writel(mem.memcontrol, &dmc->memcontrol); > + > + writel(mem.memconfig0, &dmc->memconfig0); > + writel(mem.memconfig1, &dmc->memconfig1); > + > + /* Config Precharge Policy */ > + writel(mem.prechconfig, &dmc->prechconfig); > + /* > + * TimingAref, TimingRow, TimingData, TimingPower Setting: > + * Values as per Memory AC Parameters > + */ > + writel(mem.timingref, &dmc->timingref); > + writel(mem.timingrow, &dmc->timingrow); > + writel(mem.timingdata, &dmc->timingdata); > + writel(mem.timingpower, &dmc->timingpower); > + > + /* Chip0: NOP Command: Assert and Hold CKE to high level */ > + writel(DIRECT_CMD_NOP, &dmc->directcmd); > + sdelay(0x100000); > + > + /* Chip0: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */ > + dmc_config_mrs(dmc, 0); > + sdelay(0x100000); > + > + /* Chip0: ZQINIT */ > + writel(DIRECT_CMD_ZQ, &dmc->directcmd); > + sdelay(0x100000); > + > + writel((DIRECT_CMD_NOP | DIRECT_CMD_CHIP1_SHIFT), &dmc->directcmd); > + sdelay(0x100000); > + > + /* Chip1: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */ > + dmc_config_mrs(dmc, 1); > + sdelay(0x100000); > + > + /* Chip1: ZQINIT */ > + writel((DIRECT_CMD_ZQ | DIRECT_CMD_CHIP1_SHIFT), &dmc->directcmd); > + sdelay(0x100000); > + > + phy_control_reset(1, dmc); > + sdelay(0x100000); > + > + /* turn on DREX0, DREX1 */ > + writel((mem.concontrol | AREF_EN), &dmc->concontrol); > +} > + > +void mem_ctrl_init(int reset) > +{ > + struct exynos4_dmc *dmc; > + > + /* > + * Async bridge configuration at CPU_core: > + * 1: half_sync > + * 0: full_sync > + */ > + writel(1, ASYNC_CONFIG); > +#ifdef CONFIG_ORIGEN > + /* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0x7 */ > + writel(APB_SFR_INTERLEAVE_CONF_VAL, EXYNOS4_MIU_BASE + > + APB_SFR_INTERLEAVE_CONF_OFFSET); > + /* Update MIU Configuration */ > + writel(APB_SFR_ARBRITATION_CONF_VAL, EXYNOS4_MIU_BASE + > + APB_SFR_ARBRITATION_CONF_OFFSET); > +#else > + writel(APB_SFR_INTERLEAVE_CONF_VAL, EXYNOS4_MIU_BASE + > + APB_SFR_INTERLEAVE_CONF_OFFSET); > + writel(INTERLEAVE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE + > + ABP_SFR_INTERLEAVE_ADDRMAP_START_OFFSET); > + writel(INTERLEAVE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE + > + ABP_SFR_INTERLEAVE_ADDRMAP_END_OFFSET); > + writel(INTERLEAVE_ADDR_MAP_EN, EXYNOS4_MIU_BASE + > + ABP_SFR_SLV_ADDRMAP_CONF_OFFSET); > +#ifdef CONFIG_MIU_LINEAR > + writel(SLAVE0_SINGLE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE + > + ABP_SFR_SLV0_SINGLE_ADDRMAP_START_OFFSET); > + writel(SLAVE0_SINGLE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE + > + ABP_SFR_SLV0_SINGLE_ADDRMAP_END_OFFSET); > + writel(SLAVE1_SINGLE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE + > + ABP_SFR_SLV1_SINGLE_ADDRMAP_START_OFFSET); > + writel(SLAVE1_SINGLE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE + > + ABP_SFR_SLV1_SINGLE_ADDRMAP_END_OFFSET); > + writel(APB_SFR_SLV_ADDR_MAP_CONF_VAL, EXYNOS4_MIU_BASE + > + ABP_SFR_SLV_ADDRMAP_CONF_OFFSET); > +#endif > +#endif > + /* DREX0 */ > + dmc = (struct exynos4_dmc *)samsung_get_base_dmc0(); > + dmc_init(dmc); > + dmc = (struct exynos4_dmc *)samsung_get_base_dmc1(); > + dmc_init(dmc); > +} > diff --git a/board/samsung/origen/origen_setup.h > b/arch/arm/cpu/armv7/exynos/exynos4_setup.h > similarity index 65% > rename from board/samsung/origen/origen_setup.h > rename to arch/arm/cpu/armv7/exynos/exynos4_setup.h > index 926a4cc..6d25058 100644 > --- a/board/samsung/origen/origen_setup.h > +++ b/arch/arm/cpu/armv7/exynos/exynos4_setup.h > @@ -1,5 +1,5 @@ > /* > - * Machine Specific Values for ORIGEN board based on S5PV310 > + * Machine Specific Values for EXYNOS4012 based board > * > * Copyright (C) 2011 Samsung Electronics > * > @@ -29,98 +29,22 @@ > #include <version.h> > #include <asm/arch/cpu.h> > > -/* Offsets of clock registers (sources and dividers) */ > -#define CLK_SRC_CPU_OFFSET 0x14200 > -#define CLK_DIV_CPU0_OFFSET 0x14500 > -#define CLK_DIV_CPU1_OFFSET 0x14504 > - > -#define CLK_SRC_DMC_OFFSET 0x10200 > -#define CLK_DIV_DMC0_OFFSET 0x10500 > -#define CLK_DIV_DMC1_OFFSET 0x10504 > - > -#define CLK_SRC_TOP0_OFFSET 0xC210 > -#define CLK_SRC_TOP1_OFFSET 0xC214 > -#define CLK_DIV_TOP_OFFSET 0xC510 > - > -#define CLK_SRC_LEFTBUS_OFFSET 0x4200 > -#define CLK_DIV_LEFTBUS_OFFSET 0x4500 > - > -#define CLK_SRC_RIGHTBUS_OFFSET 0x8200 > -#define CLK_DIV_RIGHTBUS_OFFSET 0x8500 > - > -#define CLK_SRC_FSYS_OFFSET 0xC240 > -#define CLK_DIV_FSYS1_OFFSET 0xC544 > -#define CLK_DIV_FSYS2_OFFSET 0xC548 > -#define CLK_DIV_FSYS3_OFFSET 0xC54C > - > -#define CLK_SRC_CAM_OFFSET 0xC220 > -#define CLK_SRC_TV_OFFSET 0xC224 > -#define CLK_SRC_MFC_OFFSET 0xC228 > -#define CLK_SRC_G3D_OFFSET 0xC22C > -#define CLK_SRC_LCD0_OFFSET 0xC234 > -#define CLK_SRC_PERIL0_OFFSET 0xC250 > - > -#define CLK_DIV_CAM_OFFSET 0xC520 > -#define CLK_DIV_TV_OFFSET 0xC524 > -#define CLK_DIV_MFC_OFFSET 0xC528 > -#define CLK_DIV_G3D_OFFSET 0xC52C > -#define CLK_DIV_LCD0_OFFSET 0xC534 > -#define CLK_DIV_PERIL0_OFFSET 0xC550 > - > -#define CLK_SRC_LCD0_OFFSET 0xC234 > - > -#define APLL_LOCK_OFFSET 0x14000 > -#define MPLL_LOCK_OFFSET 0x14008 > -#define APLL_CON0_OFFSET 0x14100 > -#define APLL_CON1_OFFSET 0x14104 > -#define MPLL_CON0_OFFSET 0x14108 > -#define MPLL_CON1_OFFSET 0x1410C > - > -#define EPLL_LOCK_OFFSET 0xC010 > -#define VPLL_LOCK_OFFSET 0xC020 > -#define EPLL_CON0_OFFSET 0xC110 > -#define EPLL_CON1_OFFSET 0xC114 > -#define VPLL_CON0_OFFSET 0xC120 > -#define VPLL_CON1_OFFSET 0xC124 > - > -/* DMC: DRAM Controllor Register offsets */ > -#define DMC_CONCONTROL 0x00 > -#define DMC_MEMCONTROL 0x04 > -#define DMC_MEMCONFIG0 0x08 > -#define DMC_MEMCONFIG1 0x0C > -#define DMC_DIRECTCMD 0x10 > -#define DMC_PRECHCONFIG 0x14 > -#define DMC_PHYCONTROL0 0x18 > -#define DMC_PHYCONTROL1 0x1C > -#define DMC_PHYCONTROL2 0x20 > -#define DMC_TIMINGAREF 0x30 > -#define DMC_TIMINGROW 0x34 > -#define DMC_TIMINGDATA 0x38 > -#define DMC_TIMINGPOWER 0x3C > -#define DMC_PHYZQCONTROL 0x44 > +#ifdef CONFIG_CLK_800_330_165 > +#define DRAM_CLK_330 > +#endif > +#ifdef CONFIG_CLK_1000_200_200 > +#define DRAM_CLK_200 > +#endif > +#ifdef CONFIG_CLK_1000_330_165 > +#define DRAM_CLK_330 > +#endif > +#ifdef CONFIG_CLK_1000_400_200 > +#define DRAM_CLK_400 > +#endif > > /* Bus Configuration Register Address */ > #define ASYNC_CONFIG 0x10010350 > > -/* MIU Config Register Offsets*/ > -#define APB_SFR_INTERLEAVE_CONF_OFFSET 0x400 > -#define APB_SFR_ARBRITATION_CONF_OFFSET 0xC00 > - > -/* Offset for inform registers */ > -#define INFORM0_OFFSET 0x800 > -#define INFORM1_OFFSET 0x804 > - > -/* GPIO Offsets for UART: GPIO Contol Register */ > -#define EXYNOS4_GPIO_A0_CON_OFFSET 0x00 > -#define EXYNOS4_GPIO_A1_CON_OFFSET 0x20 > - > -/* UART Register offsets */ > -#define ULCON_OFFSET 0x00 > -#define UCON_OFFSET 0x04 > -#define UFCON_OFFSET 0x08 > -#define UBRDIV_OFFSET 0x28 > -#define UFRACVAL_OFFSET 0x2C > - > /* CLK_SRC_CPU */ > #define MUX_HPM_SEL_MOUTAPLL 0x0 > #define MUX_HPM_SEL_SCLKMPLL 0x1 > @@ -485,123 +409,186 @@ > | (VPLL_MRR << 24) \ > | (VPLL_MFR << 16) \ > | (VPLL_K << 0)) > -/* > - * UART GPIO_A0/GPIO_A1 Control Register Value > - * 0x2: UART Function > - */ > -#define EXYNOS4_GPIO_A0_CON_VAL 0x22222222 > -#define EXYNOS4_GPIO_A1_CON_VAL 0x222222 > - > -/* ULCON: UART Line Control Value 8N1 */ > -#define WORD_LEN_5_BIT 0x00 > -#define WORD_LEN_6_BIT 0x01 > -#define WORD_LEN_7_BIT 0x02 > -#define WORD_LEN_8_BIT 0x03 > - > -#define STOP_BIT_1 0x00 > -#define STOP_BIT_2 0x01 > - > -#define NO_PARITY 0x00 > -#define ODD_PARITY 0x4 > -#define EVEN_PARITY 0x5 > -#define FORCED_PARITY_CHECK_AS_1 0x6 > -#define FORCED_PARITY_CHECK_AS_0 0x7 > - > -#define INFRAMODE_NORMAL 0x00 > -#define INFRAMODE_INFRARED 0x01 > - > -#define ULCON_VAL ((INFRAMODE_NORMAL << 6) \ > - | (NO_PARITY << 3) \ > - | (STOP_BIT_1 << 2) \ > - | (WORD_LEN_8_BIT << 0)) > > -/* > - * UCON: UART Control Value > - * Tx_interrupt Type: Level > - * Rx_interrupt Type: Level > - * Rx Timeout Enabled: Yes > - * Rx-Error Atatus_Int Enable: Yes > - * Loop_Back: No > - * Break Signal: No > - * Transmit mode : Interrupt request/polling > - * Receive mode : Interrupt request/polling > - */ > -#define TX_PULSE_INTERRUPT 0 > -#define TX_LEVEL_INTERRUPT 1 > -#define RX_PULSE_INTERRUPT 0 > -#define RX_LEVEL_INTERRUPT 1 > - > -#define RX_TIME_OUT ENABLE > -#define RX_ERROR_STATE_INT_ENB ENABLE > -#define LOOP_BACK DISABLE > -#define BREAK_SIGNAL DISABLE > - > -#define TX_MODE_DISABLED 0X00 > -#define TX_MODE_IRQ_OR_POLL 0X01 > -#define TX_MODE_DMA 0X02 > - > -#define RX_MODE_DISABLED 0X00 > -#define RX_MODE_IRQ_OR_POLL 0X01 > -#define RX_MODE_DMA 0X02 > - > -#define UCON_VAL ((TX_LEVEL_INTERRUPT << 9) \ > - | (RX_LEVEL_INTERRUPT << 8) \ > - | (RX_TIME_OUT << 7) \ > - | (RX_ERROR_STATE_INT_ENB << 6) \ > - | (LOOP_BACK << 5) \ > - | (BREAK_SIGNAL << 4) \ > - | (TX_MODE_IRQ_OR_POLL << 2) \ > - | (RX_MODE_IRQ_OR_POLL << 0)) > +/* DMC */ > +#define DIRECT_CMD_NOP 0x07000000 > +#define DIRECT_CMD_ZQ 0x0a000000 > +#define DIRECT_CMD_CHIP1_SHIFT (1 << 20) > +#define MEM_TIMINGS_MSR_COUNT 4 > +#define CTRL_START (1 << 0) > +#define CTRL_DLL_ON (1 << 1) > +#define AREF_EN (1 << 5) > +#define DRV_TYPE (1 << 6) > + > +struct mem_timings { > + unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT]; > + unsigned timingref; > + unsigned timingrow; > + unsigned timingdata; > + unsigned timingpower; > + unsigned zqcontrol; > + unsigned control0; > + unsigned control1; > + unsigned control2; > + unsigned concontrol; > + unsigned prechconfig; > + unsigned memcontrol; > + unsigned memconfig0; > + unsigned memconfig1; > + unsigned dll_resync; > + unsigned dll_on; > +}; > + > +/* MIU */ > +/* MIU Config Register Offsets*/ > +#define APB_SFR_INTERLEAVE_CONF_OFFSET 0x400 > +#define APB_SFR_ARBRITATION_CONF_OFFSET 0xC00 > +#define ABP_SFR_SLV_ADDRMAP_CONF_OFFSET 0x800 > +#define ABP_SFR_INTERLEAVE_ADDRMAP_START_OFFSET 0x808 > +#define ABP_SFR_INTERLEAVE_ADDRMAP_END_OFFSET 0x810 > +#define ABP_SFR_SLV0_SINGLE_ADDRMAP_START_OFFSET 0x818 > +#define ABP_SFR_SLV0_SINGLE_ADDRMAP_END_OFFSET 0x820 > +#define ABP_SFR_SLV1_SINGLE_ADDRMAP_START_OFFSET 0x828 > +#define ABP_SFR_SLV1_SINGLE_ADDRMAP_END_OFFSET 0x830 > + > +#ifdef CONFIG_ORIGEN > +/* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0x7 */ > +#define APB_SFR_INTERLEAVE_CONF_VAL 0x20001507 > +#define APB_SFR_ARBRITATION_CONF_VAL 0x00000001 > +#endif > > -/* > - * UFCON: UART FIFO Control Value > - * Tx FIFO Trigger LEVEL: 2 Bytes (001) > - * Rx FIFO Trigger LEVEL: 2 Bytes (001) > - * Tx Fifo Reset: No > - * Rx Fifo Reset: No > - * FIFO Enable: Yes > - */ > -#define TX_FIFO_TRIGGER_LEVEL_0_BYTES 0x00 > -#define TX_FIFO_TRIGGER_LEVEL_2_BYTES 0x1 > -#define TX_FIFO_TRIGGER_LEVEL_4_BYTES 0x2 > -#define TX_FIFO_TRIGGER_LEVEL_6_BYTES 0x3 > -#define TX_FIFO_TRIGGER_LEVEL_8_BYTES 0x4 > -#define TX_FIFO_TRIGGER_LEVEL_10_BYTES 0x5 > -#define TX_FIFO_TRIGGER_LEVEL_12_BYTES 0x6 > -#define TX_FIFO_TRIGGER_LEVEL_14_BYTES 0x7 > - > -#define RX_FIFO_TRIGGER_LEVEL_2_BYTES 0x0 > -#define RX_FIFO_TRIGGER_LEVEL_4_BYTES 0x1 > -#define RX_FIFO_TRIGGER_LEVEL_6_BYTES 0x2 > -#define RX_FIFO_TRIGGER_LEVEL_8_BYTES 0x3 > -#define RX_FIFO_TRIGGER_LEVEL_10_BYTES 0x4 > -#define RX_FIFO_TRIGGER_LEVEL_12_BYTES 0x5 > -#define RX_FIFO_TRIGGER_LEVEL_14_BYTES 0x6 > -#define RX_FIFO_TRIGGER_LEVEL_16_BYTES 0x7 > - > -#define TX_FIFO_TRIGGER_LEVEL TX_FIFO_TRIGGER_LEVEL_2_BYTES > -#define RX_FIFO_TRIGGER_LEVEL RX_FIFO_TRIGGER_LEVEL_4_BYTES > -#define TX_FIFO_RESET DISABLE > -#define RX_FIFO_RESET DISABLE > -#define FIFO_ENABLE ENABLE > -#define UFCON_VAL ((TX_FIFO_TRIGGER_LEVEL << 8) \ > - | (RX_FIFO_TRIGGER_LEVEL << 4) \ > - | (TX_FIFO_RESET << 2) \ > - | (RX_FIFO_RESET << 1) \ > - | (FIFO_ENABLE << 0)) > -/* > - * Baud Rate Division Value > - * 115200 BAUD: > - * UBRDIV_VAL = SCLK_UART/((115200 * 16) - 1) > - * UBRDIV_VAL = (800 MHz)/((115200 * 16) - 1) > - */ > -#define UBRDIV_VAL 0x35 > +#define INTERLEAVE_ADDR_MAP_START_ADDR 0x40000000 > +#define INTERLEAVE_ADDR_MAP_END_ADDR 0xbfffffff > +#define INTERLEAVE_ADDR_MAP_EN 0x00000001 > > -/* > - * Fractional Part of Baud Rate Divisor: > - * 115200 BAUD: > - * UBRFRACVAL = ((((SCLK_UART*10/(115200*16) -10))%10)*16/10) > - * UBRFRACVAL = ((((800MHz*10/(115200*16) -10))%10)*16/10) > - */ > -#define UFRACVAL_VAL 0x4 > +#ifdef CONFIG_MIU_1BIT_INTERLEAVED > +/* Interleave_bit0: 0xC*/ > +#define APB_SFR_INTERLEAVE_CONF_VAL 0x0000000c > +#endif > +#ifdef CONFIG_MIU_2BIT_INTERLEAVED > +/* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0xc */ > +#define APB_SFR_INTERLEAVE_CONF_VAL 0x2000150c > +#endif > +#define SLAVE0_SINGLE_ADDR_MAP_START_ADDR 0x40000000 > +#define SLAVE0_SINGLE_ADDR_MAP_END_ADDR 0x7fffffff > +#define SLAVE1_SINGLE_ADDR_MAP_START_ADDR 0x80000000 > +#define SLAVE1_SINGLE_ADDR_MAP_END_ADDR 0xbfffffff > +/* Enable SME0 and SME1*/ > +#define APB_SFR_SLV_ADDR_MAP_CONF_VAL 0x00000006 > + > +#define FORCE_DLL_RESYNC 3 > +#define DLL_CONTROL_ON 1 > + > +#define DIRECT_CMD1 0x00020000 > +#define DIRECT_CMD2 0x00030000 > +#define DIRECT_CMD3 0x00010002 > +#define DIRECT_CMD4 0x00000328 > + > +#define CTRL_ZQ_MODE_NOTERM (0x1 << 0) > +#define CTRL_ZQ_START (0x1 << 1) > +#define CTRL_ZQ_DIV (0 << 4) > +#define CTRL_ZQ_MODE_DDS (0x7 << 8) > +#define CTRL_ZQ_MODE_TERM (0x2 << 11) > +#define CTRL_ZQ_FORCE_IMPN (0x5 << 14) > +#define CTRL_ZQ_FORCE_IMPP (0x6 << 17) > +#define CTRL_DCC (0xE38 << 20) > +#define ZQ_CONTROL_VAL (CTRL_ZQ_MODE_NOTERM | CTRL_ZQ_START\ > + | CTRL_ZQ_DIV | CTRL_ZQ_MODE_DDS\ > + | CTRL_ZQ_MODE_TERM | CTRL_ZQ_FORCE_IMPN\ > + | CTRL_ZQ_FORCE_IMPP | CTRL_DCC) > + > +#define ASYNC (0 << 0) > +#define CLK_RATIO (1 << 1) > +#define DIV_PIPE (1 << 3) > +#define AWR_ON (1 << 4) > +#define AREF_DISABLE (0 << 5) > +#define DRV_TYPE_DISABLE (0 << 6) > +#define CHIP0_NOT_EMPTY (0 << 8) > +#define CHIP1_NOT_EMPTY (0 << 9) > +#define DQ_SWAP_DISABLE (0 << 10) > +#define QOS_FAST_DISABLE (0 << 11) > +#define RD_FETCH (0x3 << 12) > +#define TIMEOUT_LEVEL0 (0xFFF << 16) > +#define CONCONTROL_VAL (ASYNC | CLK_RATIO | DIV_PIPE | AWR_ON\ > + | AREF_DISABLE | DRV_TYPE_DISABLE\ > + | CHIP0_NOT_EMPTY | CHIP1_NOT_EMPTY\ > + | DQ_SWAP_DISABLE | QOS_FAST_DISABLE\ > + | RD_FETCH | TIMEOUT_LEVEL0) > + > +#define CLK_STOP_DISABLE (0 << 1) > +#define DPWRDN_DISABLE (0 << 2) > +#define DPWRDN_TYPE (0 << 3) > +#define TP_DISABLE (0 << 4) > +#define DSREF_DIABLE (0 << 5) > +#define ADD_LAT_PALL (1 << 6) > +#define MEM_TYPE_DDR3 (0x6 << 8) > +#define MEM_WIDTH_32 (0x2 << 12) > +#define NUM_CHIP_2 (1 << 16) > +#define BL_8 (0x3 << 20) > +#define MEMCONTROL_VAL (CLK_STOP_DISABLE | DPWRDN_DISABLE\ > + | DPWRDN_TYPE | TP_DISABLE | DSREF_DIABLE\ > + | ADD_LAT_PALL | MEM_TYPE_DDR3 | MEM_WIDTH_32\ > + | NUM_CHIP_2 | BL_8) > + > + > +#define CHIP_BANK_8 (0x3 << 0) > +#define CHIP_ROW_14 (0x2 << 4) > +#define CHIP_COL_10 (0x3 << 8) > +#define CHIP_MAP_INTERLEAVED (1 << 12) > +#define CHIP_MASK (0xe0 << 16) > +#ifdef CONFIG_MIU_LINEAR > +#define CHIP0_BASE (0x40 << 24) > +#define CHIP1_BASE (0x60 << 24) > +#else > +#define CHIP0_BASE (0x20 << 24) > +#define CHIP1_BASE (0x40 << 24) > +#endif > +#define MEMCONFIG0_VAL (CHIP_BANK_8 | CHIP_ROW_14 | > CHIP_COL_10\ > + | CHIP_MAP_INTERLEAVED | CHIP_MASK | CHIP0_BASE) > +#define MEMCONFIG1_VAL (CHIP_BANK_8 | CHIP_ROW_14 | > CHIP_COL_10\ > + | CHIP_MAP_INTERLEAVED | CHIP_MASK | CHIP1_BASE) > + > +#define TP_CNT (0xff << 24) > +#define PRECHCONFIG TP_CNT > + > +#define CTRL_OFF (0 << 0) > +#define CTRL_DLL_OFF (0 << 1) > +#define CTRL_HALF (0 << 2) > +#define CTRL_DFDQS (1 << 3) > +#define DQS_DELAY (0 << 4) > +#define CTRL_START_POINT (0x10 << 8) > +#define CTRL_INC (0x10 << 16) > +#define CTRL_FORCE (0x71 << 24) > +#define CONTROL0_VAL (CTRL_OFF | CTRL_DLL_OFF | CTRL_HALF\ > + | CTRL_DFDQS | DQS_DELAY | CTRL_START_POINT\ > + | CTRL_INC | CTRL_FORCE) > + > +#define CTRL_SHIFTC (0x6 << 0) > +#define CTRL_REF (8 << 4) > +#define CTRL_SHGATE (1 << 29) > +#define TERM_READ_EN (1 << 30) > +#define TERM_WRITE_EN (1 << 31) > +#define CONTROL1_VAL (CTRL_SHIFTC | CTRL_REF | CTRL_SHGATE\ > + | TERM_READ_EN | TERM_WRITE_EN) > + > +#define CONTROL2_VAL 0x00000000 > + > +#ifdef CONFIG_ORIGEN > +#define TIMINGREF_VAL 0x000000BB > +#define TIMINGROW_VAL 0x4046654f > +#define TIMINGDATA_VAL 0x46400506 > +#define TIMINGPOWER_VAL 0x52000A3C > +#else > +#define TIMINGREF_VAL 0x000000BC > +#ifdef DRAM_CLK_330 > +#define TIMINGROW_VAL 0x3545548d > +#define TIMINGDATA_VAL 0x45430506 > +#define TIMINGPOWER_VAL 0x4439033c > +#endif > +#ifdef DRAM_CLK_400 > +#define TIMINGROW_VAL 0x45430506 > +#define TIMINGDATA_VAL 0x56500506 > +#define TIMINGPOWER_VAL 0x5444033d > +#endif > +#endif > #endif > diff --git a/board/samsung/smdk5250/setup.h > b/arch/arm/cpu/armv7/exynos/exynos5_setup.h > similarity index 96% > rename from board/samsung/smdk5250/setup.h > rename to arch/arm/cpu/armv7/exynos/exynos5_setup.h > index eb91d13..8f36c16 100644 > --- a/board/samsung/smdk5250/setup.h > +++ b/arch/arm/cpu/armv7/exynos/exynos5_setup.h > @@ -93,17 +93,17 @@ > #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_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) \ > + DMC_MEMBASECONFIGX_CHIP_BASE(x) | \ > + DMC_MEMBASECONFIGX_CHIP_MASK(0x780) \ > ) > > #define DMC_MEMBASECONFIG0_VAL DMC_MEMBASECONFIG_VAL(0x40) > @@ -513,9 +513,11 @@ enum { > * which the DMC uses to decide how to split a memory > * chunk into smaller chunks to support concurrent > * accesses; may vary across boards. > + * @param reset Reset DDR PHY during initialization. > * @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); > +int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size, > + int reset); > > /* > * Configure ZQ I/O interface > @@ -562,8 +564,4 @@ void dmc_config_memory(struct mem_timings *mem, struct > exynos5_dmc *dmc); > * @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/arch/arm/cpu/armv7/exynos/lowlevel_init.c > b/arch/arm/cpu/armv7/exynos/lowlevel_init.c > new file mode 100644 > index 0000000..11fe5b8 > --- /dev/null > +++ b/arch/arm/cpu/armv7/exynos/lowlevel_init.c > @@ -0,0 +1,73 @@ > +/* > + * Lowlevel setup for EXYNOS5 based board > + * > + * Copyright (C) 2013 Samsung Electronics > + * Rajeshwari Shinde <rajeshwar...@samsung.com> > + * > + * 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/arch/cpu.h> > +#include <asm/arch/dmc.h> > +#include <asm/arch/power.h> > +#include <asm/arch/tzpc.h> > +#include <asm/arch/periph.h> > +#include <asm/arch/pinmux.h> > +#include "common_setup.h" > + > +/* These are the things we can do during low-level init */ > +enum { > + DO_WAKEUP = 1 << 0, > + DO_CLOCKS = 1 << 1, > + DO_MEM_RESET = 1 << 2, > + DO_UART = 1 << 3, > +}; > + > +int do_lowlevel_init(void) > +{ > + uint32_t reset_status; > + int actions = 0; > + > + arch_cpu_init(); > + > + reset_status = get_reset_status(); > + > + switch (reset_status) { > + case S5P_CHECK_SLEEP: > + actions = DO_CLOCKS | DO_WAKEUP; > + break; > + case S5P_CHECK_DIDLE: > + case S5P_CHECK_LPA: > + actions = DO_WAKEUP; > + break; > + default: > + /* This is a normal boot (not a wake from sleep) */ > + actions = DO_CLOCKS | DO_MEM_RESET; > + } > + > + if (actions & DO_CLOCKS) { > + system_clock_init(); > + mem_ctrl_init(actions & DO_MEM_RESET); > + tzpc_init(); > + } > + > + return actions & DO_WAKEUP; > +} > diff --git a/board/samsung/smdk5250/spl_boot.c > b/arch/arm/cpu/armv7/exynos/spl_boot.c > similarity index 74% > rename from board/samsung/smdk5250/spl_boot.c > rename to arch/arm/cpu/armv7/exynos/spl_boot.c > index 83275f1..6e8dd3b 100644 > --- a/board/samsung/smdk5250/spl_boot.c > +++ b/arch/arm/cpu/armv7/exynos/spl_boot.c > @@ -23,13 +23,18 @@ > #include<common.h> > #include<config.h> > > -#include <asm/arch-exynos/dmc.h> > #include <asm/arch/clock.h> > #include <asm/arch/clk.h> > +#include <asm/arch/dmc.h> > +#include <asm/arch/power.h> > #include <asm/arch/spl.h> > > +#include "common_setup.h" > #include "clock_init.h" > > +DECLARE_GLOBAL_DATA_PTR; > +#define OM_STAT (0x1f << 1) > + > /* Index into irom ptr table */ > enum index { > MMC_INDEX, > @@ -54,6 +59,7 @@ void *get_irom_func(int index) > return (void *)*(u32 *)irom_ptr_table[index]; > } > > +#ifdef CONFIG_USB_BOOTING > /* > * Set/clear program flow prediction and return the previous state. > */ > @@ -67,6 +73,7 @@ static int config_branch_prediction(int set_cr_z) > > return cr & CR_Z; > } > +#endif > > /* > * Copy U-boot from mmc to RAM: > @@ -75,35 +82,42 @@ static int config_branch_prediction(int set_cr_z) > */ > void copy_uboot_to_ram(void) > { > - int is_cr_z_set; > - unsigned int sec_boot_check; > enum boot_mode bootmode = BOOT_MODE_OM; > > - u32 (*spi_copy)(u32 offset, u32 nblock, u32 dst); > - u32 (*copy_bl2)(u32 offset, u32 nblock, u32 dst); > + u32 (*copy_bl2)(u32 offset, u32 nblock, u32 dst) = NULL; > + u32 offset = 0, size = 0; > +#ifdef CONFIG_SUPPORT_EMMC_BOOT > u32 (*copy_bl2_from_emmc)(u32 nblock, u32 dst); > void (*end_bootop_from_emmc)(void); > +#endif > +#ifdef CONFIG_USB_BOOTING > u32 (*usb_copy)(void); > + int is_cr_z_set; > + unsigned int sec_boot_check; > > /* Read iRAM location to check for secondary USB boot mode */ > sec_boot_check = readl(EXYNOS_IRAM_SECONDARY_BASE); > if (sec_boot_check == EXYNOS_USB_SECONDARY_BOOT) > bootmode = BOOT_MODE_USB; > +#endif > > if (bootmode == BOOT_MODE_OM) > - bootmode = readl(EXYNOS5_POWER_BASE) & OM_STAT; > + bootmode = readl(samsung_get_base_power()) & OM_STAT; > > switch (bootmode) { > +#ifdef CONFIG_SPI_BOOTING > case BOOT_MODE_SERIAL: > - spi_copy = get_irom_func(SPI_INDEX); > - spi_copy(SPI_FLASH_UBOOT_POS, CONFIG_BL2_SIZE, > - CONFIG_SYS_TEXT_BASE); > + offset = SPI_FLASH_UBOOT_POS; > + size = CONFIG_BL2_SIZE; > + copy_bl2 = get_irom_func(SPI_INDEX); > break; > +#endif > case BOOT_MODE_MMC: > + offset = BL2_START_OFFSET; > + size = BL2_SIZE_BLOC_COUNT; > copy_bl2 = get_irom_func(MMC_INDEX); > - copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, > - CONFIG_SYS_TEXT_BASE); > break; > +#ifdef CONFIG_SUPPORT_EMMC_BOOT > case BOOT_MODE_EMMC: > /* Set the FSYS1 clock divisor value for EMMC boot */ > emmc_boot_clk_div_set(); > @@ -114,6 +128,8 @@ void copy_uboot_to_ram(void) > copy_bl2_from_emmc(BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE); > end_bootop_from_emmc(); > break; > +#endif > +#ifdef CONFIG_USB_BOOTING > case BOOT_MODE_USB: > /* > * iROM needs program flow prediction to be disabled > @@ -124,14 +140,50 @@ void copy_uboot_to_ram(void) > usb_copy(); > config_branch_prediction(is_cr_z_set); > break; > +#endif > default: > break; > } > + > + if (copy_bl2) > + copy_bl2(offset, size, CONFIG_SYS_TEXT_BASE); > +} > + > +void memzero(void *s, size_t n) > +{ > + char *ptr = s; > + size_t i; > + > + for (i = 0; i < n; i++) > + *ptr++ = '\0'; > +} > + > +/** > + * Set up the U-Boot global_data pointer > + * > + * This sets the address of the global data, and sets up basic values. > + * > + * @param gdp Value to give to gd > + */ > +static void setup_global_data(gd_t *gdp) > +{ > + gd = gdp; > + memzero((void *)gd, sizeof(gd_t)); > + gd->flags |= GD_FLG_RELOC; > + gd->baudrate = CONFIG_BAUDRATE; > + gd->have_console = 1; > } > > void board_init_f(unsigned long bootflag) > { > + __aligned(8) gd_t local_gd; > __attribute__((noreturn)) void (*uboot)(void); > + > + setup_global_data(&local_gd); > + > + if (do_lowlevel_init()) > + power_exit_wakeup(); > + > copy_uboot_to_ram(); > > /* Jump to U-Boot image */ > diff --git a/arch/arm/include/asm/arch-exynos/cpu.h > b/arch/arm/include/asm/arch-exynos/cpu.h > index 36b98c8..75dbe26 100644 > --- a/arch/arm/include/asm/arch-exynos/cpu.h > +++ b/arch/arm/include/asm/arch-exynos/cpu.h > @@ -115,7 +115,7 @@ > #define EXYNOS5_DMC_PHY0_BASE 0x10C00000 > #define EXYNOS5_DMC_PHY1_BASE 0x10C10000 maybe it can be dmc0 and dmc1 If you want to keep the interface with exynos4. > #define EXYNOS5_GPIO_PART3_BASE 0x10D10000 > -#define EXYNOS5_DMC_CTRL_BASE 0x10DD0000 > +#define EXYNOS5_DMC0_BASE 0x10DD0000 why? > #define EXYNOS5_GPIO_PART1_BASE 0x11400000 > #define EXYNOS5_MIPI_DSIM_BASE 0x11D00000 > #define EXYNOS5_USB_HOST_EHCI_BASE 0x12110000 > @@ -135,6 +135,7 @@ > > #define EXYNOS5_ADC_BASE DEVICE_NOT_AVAILABLE > #define EXYNOS5_MODEM_BASE DEVICE_NOT_AVAILABLE > +#define EXYNOS5_DMC1_BASE DEVICE_NOT_AVAILABLE It looks weird. > > #ifndef __ASSEMBLY__ > #include <asm/io.h> > @@ -237,6 +238,8 @@ SAMSUNG_BASE(power, POWER_BASE) > SAMSUNG_BASE(spi, SPI_BASE) > SAMSUNG_BASE(spi_isp, SPI_ISP_BASE) > SAMSUNG_BASE(tzpc, TZPC_BASE) > +SAMSUNG_BASE(dmc0, DMC0_BASE) > +SAMSUNG_BASE(dmc1, DMC1_BASE) > #endif > > #endif /* _EXYNOS4_CPU_H */ > diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h > index 6c7a052..b32d1bd 100644 > --- a/include/configs/exynos5250-dt.h > +++ b/include/configs/exynos5250-dt.h > @@ -104,6 +104,7 @@ > > > #define CONFIG_BOARD_EARLY_INIT_F > +#define CONFIG_SKIP_LOWLEVEL_INIT > > /* PWM */ > #define CONFIG_PWM > @@ -137,6 +138,7 @@ > #define CONFIG_USB_STORAGE > > /* USB boot mode */ > +#define CONFIG_USB_BOOTING > #define EXYNOS_COPY_USB_FNPTR_ADDR 0x02020070 > #define EXYNOS_USB_SECONDARY_BOOT 0xfeed0002 > #define EXYNOS_IRAM_SECONDARY_BASE 0x02020018 > @@ -152,6 +154,8 @@ > #define CONFIG_SPL > #define COPY_BL2_FNPTR_ADDR 0x02020030 > > +#define CONFIG_SPL_LIBCOMMON_SUPPORT > + > /* specific .lds file */ > #define CONFIG_SPL_LDSCRIPT "board/samsung/common/exynos-uboot-spl.lds" > #define CONFIG_SPL_TEXT_BASE 0x02023400 > @@ -229,7 +233,7 @@ > #define BL2_START_OFFSET (CONFIG_BL2_OFFSET/512) > #define BL2_SIZE_BLOC_COUNT (CONFIG_BL2_SIZE/512) > > -#define OM_STAT (0x1f << 1) > +#define CONFIG_SPI_BOOTING > #define EXYNOS_COPY_SPI_FNPTR_ADDR 0x02020058 > #define SPI_FLASH_UBOOT_POS (CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE) > > @@ -241,7 +245,7 @@ > > #define CONFIG_IRAM_STACK 0x02050000 > > -#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - 0x1000000) > +#define CONFIG_SYS_INIT_SP_ADDR CONFIG_IRAM_STACK > > /* I2C */ > #define CONFIG_SYS_I2C_INIT_BOARD > diff --git a/include/configs/origen.h b/include/configs/origen.h > index f71a463..fd7d667 100644 > --- a/include/configs/origen.h > +++ b/include/configs/origen.h > @@ -68,6 +68,8 @@ > #define CONFIG_BAUDRATE 115200 > #define EXYNOS4_DEFAULT_UART_OFFSET 0x020000 > > +#define CONFIG_SKIP_LOWLEVEL_INIT > + > /* SD/MMC configuration */ > #define CONFIG_GENERIC_MMC > #define CONFIG_MMC > @@ -148,7 +150,10 @@ > #define CONFIG_ENV_OFFSET (RESERVE_BLOCK_SIZE + BL1_SIZE) > #define CONFIG_DOS_PARTITION 1 > > -#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - > GENERATED_GBL_DATA_SIZE) > +#define CONFIG_SPL_LDSCRIPT "board/samsung/common/exynos-uboot-spl.lds" > +#define CONFIG_SPL_MAX_FOOTPRINT (14 * 1024) > + > +#define CONFIG_SYS_INIT_SP_ADDR 0x02040000 > > /* U-boot copy size from boot Media to DRAM.*/ > #define COPY_BL2_SIZE 0x80000 > @@ -157,4 +162,5 @@ > > /* Enable devicetree support */ > #define CONFIG_OF_LIBFDT > + > #endif /* __CONFIG_H */ > diff --git a/include/configs/smdkv310.h b/include/configs/smdkv310.h > index db78127..38ba292 100644 > --- a/include/configs/smdkv310.h > +++ b/include/configs/smdkv310.h > @@ -58,6 +58,7 @@ > /* Handling Sleep Mode*/ > #define S5P_CHECK_SLEEP 0x00000BAD > #define S5P_CHECK_DIDLE 0xBAD00000 > +#define S5P_CHECK_LPA 0xABAD0000 > > /* Size of malloc() pool */ > #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (1 << 20)) > @@ -94,6 +95,7 @@ > > /* MMC SPL */ > #define CONFIG_SPL > +#define CONFIG_SKIP_LOWLEVEL_INIT > #define COPY_BL2_FNPTR_ADDR 0x00002488 > > #define CONFIG_SPL_TEXT_BASE 0x02021410 > @@ -147,7 +149,10 @@ > #define CONFIG_ENV_OFFSET (RESERVE_BLOCK_SIZE + BL1_SIZE) > #define CONFIG_DOS_PARTITION 1 > > -#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - > GENERATED_GBL_DATA_SIZE) > +#define CONFIG_SPL_LDSCRIPT "board/samsung/common/exynos-uboot-spl.lds" > +#define CONFIG_SPL_MAX_FOOTPRINT (14 * 1024) > + > +#define CONFIG_SYS_INIT_SP_ADDR 0x02040000 > > /* U-boot copy size from boot Media to DRAM.*/ > #define COPY_BL2_SIZE 0x80000 > Thanks, Minkyu Kang. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot