diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/samsung/smdk5250/Makefile | 51 | ||||
| -rw-r--r-- | board/samsung/smdk5250/clock_init.c | 202 | ||||
| -rw-r--r-- | board/samsung/smdk5250/dmc_init.c | 462 | ||||
| -rw-r--r-- | board/samsung/smdk5250/lowlevel_init.S | 96 | ||||
| -rw-r--r-- | board/samsung/smdk5250/setup.h | 451 | ||||
| -rw-r--r-- | board/samsung/smdk5250/smdk5250.c | 146 | ||||
| -rw-r--r-- | board/samsung/smdk5250/tzpc_init.c | 48 |
7 files changed, 1456 insertions, 0 deletions
diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile new file mode 100644 index 0000000..80e8be3 --- /dev/null +++ b/board/samsung/smdk5250/Makefile @@ -0,0 +1,51 @@ +# +# Copyright (C) 2012 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_init.o +COBJS += tzpc_init.o +COBJS += smdk5250.o + +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/smdk5250/clock_init.c b/board/samsung/smdk5250/clock_init.c new file mode 100644 index 0000000..305842d --- /dev/null +++ b/board/samsung/smdk5250/clock_init.c @@ -0,0 +1,202 @@ +/* + * Clock setup for SMDK5250 board based on EXYNOS5 + * + * Copyright (C) 2012 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/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/cpu.h> +#include <asm/arch/gpio.h> +#include "setup.h" + +void system_clock_init() +{ + struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE; + + /* + * MUX_APLL_SEL[0]: FINPLL = 0 + * MUX_CPU_SEL[6]: MOUTAPLL = 0 + * MUX_HPM_SEL[20]: MOUTAPLL = 0 + */ + writel(0x0, &clk->src_cpu); + + /* MUX_MPLL_SEL[8]: FINPLL = 0 */ + writel(0x0, &clk->src_core1); + + /* + * VPLLSRC_SEL[0]: FINPLL = 0 + * MUX_{CPLL[8]}|{EPLL[12]}|{VPLL[16]}_SEL: FINPLL = 0 + */ + writel(0x0, &clk->src_top2); + + /* MUX_BPLL_SEL[0]: FINPLL = 0 */ + writel(0x0, &clk->src_cdrex); + + /* MUX_ACLK_* Clock Selection */ + writel(CLK_SRC_TOP0_VAL, &clk->src_top0); + + /* MUX_ACLK_* Clock Selection */ + writel(CLK_SRC_TOP1_VAL, &clk->src_top1); + + /* MUX_ACLK_* Clock Selection */ + writel(CLK_SRC_TOP3_VAL, &clk->src_top3); + + /* MUX_PWI_SEL[19:16]: SCLKMPLL = 6 */ + writel(CLK_SRC_CORE0_VAL, &clk->src_core0); + + /* MUX_ATCLK_LEX[0]: ACLK_200 = 0 */ + writel(CLK_SRC_LEX_VAL, &clk->src_lex); + + /* UART [0-5]: SCLKMPLL = 6 */ + writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0); + + /* Set Clock Ratios */ + writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0); + + /* Set COPY and HPM Ratio */ + writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1); + + /* CORED_RATIO, COREP_RATIO */ + writel(CLK_DIV_CORE0_VAL, &clk->div_core0); + + /* PWI_RATIO[11:8], DVSEM_RATIO[22:16], DPM_RATIO[24:20] */ + writel(CLK_DIV_CORE1_VAL, &clk->div_core1); + + /* ACLK_*_RATIO */ + writel(CLK_DIV_TOP0_VAL, &clk->div_top0); + + /* ACLK_*_RATIO */ + writel(CLK_DIV_TOP1_VAL, &clk->div_top1); + + /* CDREX Ratio */ + writel(CLK_DIV_CDREX_INIT_VAL, &clk->div_cdrex); + + /* MCLK_EFPHY_RATIO[3:0] */ + writel(CLK_DIV_CDREX2_VAL, &clk->div_cdrex2); + + /* {PCLK[4:6]|ATCLK[10:8]}_RATIO */ + writel(CLK_DIV_LEX_VAL, &clk->div_lex); + + /* PCLK_R0X_RATIO[3:0] */ + writel(CLK_DIV_R0X_VAL, &clk->div_r0x); + + /* PCLK_R1X_RATIO[3:0] */ + writel(CLK_DIV_R1X_VAL, &clk->div_r1x); + + /* SATA[24]: SCLKMPLL=0, MMC[0-4]: SCLKMPLL = 6 */ + writel(CLK_SRC_FSYS_VAL, &clk->src_fsys); + + /* UART[0-4] */ + writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0); + + /* PWM_RATIO[3:0] */ + writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3); + + /* SATA_RATIO, USB_DRD_RATIO */ + writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0); + + /* MMC[0-1] */ + writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1); + + /* MMC[2-3] */ + writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2); + + /* MMC[4] */ + writel(CLK_DIV_FSYS3_VAL, &clk->div_fsys3); + + /* ACLK|PLCK_ACP_RATIO */ + writel(CLK_DIV_ACP_VAL, &clk->div_acp); + + /* ISPDIV0_RATIO, ISPDIV1_RATIO */ + writel(CLK_DIV_ISP0_VAL, &clk->div_isp0); + + /* MCUISPDIV0_RATIO, MCUISPDIV1_RATIO */ + writel(CLK_DIV_ISP1_VAL, &clk->div_isp1); + + /* MPWMDIV_RATIO */ + writel(CLK_DIV_ISP2_VAL, &clk->div_isp2); + + /* 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(EPLL_LOCK_VAL, &clk->epll_lock); + + writel(VPLL_LOCK_VAL, &clk->vpll_lock); + + sdelay(0x10000); + + /* Set APLL */ + writel(APLL_CON1_VAL, &clk->apll_con1); + writel(APLL_CON0_VAL, &clk->apll_con0); + sdelay(0x30000); + + /* Set MPLL */ + writel(MPLL_CON1_VAL, &clk->mpll_con1); + writel(MPLL_CON0_VAL, &clk->mpll_con0); + sdelay(0x30000); + writel(BPLL_CON1_VAL, &clk->bpll_con1); + writel(BPLL_CON0_VAL, &clk->bpll_con0); + sdelay(0x30000); + + /* Set CPLL */ + writel(CPLL_CON1_VAL, &clk->cpll_con1); + writel(CPLL_CON0_VAL, &clk->cpll_con0); + sdelay(0x30000); + + /* Set EPLL */ + writel(EPLL_CON2_VAL, &clk->epll_con2); + writel(EPLL_CON1_VAL, &clk->epll_con1); + writel(EPLL_CON0_VAL, &clk->epll_con0); + sdelay(0x30000); + + /* Set VPLL */ + writel(VPLL_CON2_VAL, &clk->vpll_con2); + writel(VPLL_CON1_VAL, &clk->vpll_con1); + writel(VPLL_CON0_VAL, &clk->vpll_con0); + sdelay(0x30000); + + /* Set MPLL */ + /* After Initiallising th PLL select the sources accordingly */ + /* MUX_APLL_SEL[0]: MOUTAPLLFOUT = 1 */ + writel(CLK_SRC_CPU_VAL, &clk->src_cpu); + + /* MUX_MPLL_SEL[8]: MOUTMPLLFOUT = 1 */ + writel(CLK_SRC_CORE1_VAL, &clk->src_core1); + + /* MUX_BPLL_SEL[0]: FOUTBPLL = 1*/ + writel(CLK_SRC_CDREX_INIT_VAL, &clk->src_cdrex); + + /* + * VPLLSRC_SEL[0]: FINPLL = 0 + * MUX_{CPLL[8]}|{EPLL[12]}|{VPLL[16]}_SEL: MOUT{CPLL|EPLL|VPLL} = 1 + * MUX_{MPLL[20]}|{BPLL[24]}_USER_SEL: FOUT{MPLL|BPLL} = 1 + */ + writel(CLK_SRC_TOP2_VAL, &clk->src_top2); +} diff --git a/board/samsung/smdk5250/dmc_init.c b/board/samsung/smdk5250/dmc_init.c new file mode 100644 index 0000000..7881074 --- /dev/null +++ b/board/samsung/smdk5250/dmc_init.c @@ -0,0 +1,462 @@ +/* + * Memory setup for SMDK5250 board based on EXYNOS5 + * + * Copyright (C) 2012 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/dmc.h> +#include <asm/arch/clock.h> +#include <asm/arch/cpu.h> +#include "setup.h" + +/* APLL : 1GHz */ +/* MCLK_CDREX: MCLK_CDREX_533*/ +/* LPDDR support: LPDDR2 */ +static void reset_phy_ctrl(void); +static void config_zq(struct exynos5_phy_control *, + struct exynos5_phy_control *); +static void update_reset_dll(struct exynos5_dmc *); +static void config_cdrex(void); +static void config_mrs(struct exynos5_dmc *); +static void sec_sdram_phy_init(struct exynos5_dmc *); +static void config_prech(struct exynos5_dmc *); +static void config_rdlvl(struct exynos5_dmc *, + struct exynos5_phy_control *, + struct exynos5_phy_control *); +static void config_memory(struct exynos5_dmc *); + +static void config_offsets(unsigned int, + struct exynos5_phy_control *, + struct exynos5_phy_control *); + +static void reset_phy_ctrl(void) +{ + struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE; + + writel(PHY_RESET_VAL, &clk->lpddr3phy_ctrl); + sdelay(0x10000); +} + +static void config_zq(struct exynos5_phy_control *phy0_ctrl, + struct exynos5_phy_control *phy1_ctrl) +{ + unsigned long val = 0; + /* + * ZQ Calibration: + * Select Driver Strength, + * long calibration for manual calibration + */ + val = PHY_CON16_RESET_VAL; + SET_ZQ_MODE_DDS_VAL(val); + SET_ZQ_MODE_TERM_VAL(val); + val |= ZQ_CLK_DIV_EN; + writel(val, &phy0_ctrl->phy_con16); + writel(val, &phy1_ctrl->phy_con16); + + /* Disable termination */ + val |= ZQ_MODE_NOTERM; + 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); + sdelay(0x10000); + + /* ZQ_MANUAL_START: Disable */ + val &= ~ZQ_MANUAL_STR; + writel(val, &phy0_ctrl->phy_con16); + writel(val, &phy1_ctrl->phy_con16); +} + +static void update_reset_dll(struct exynos5_dmc *dmc) +{ + unsigned long val; + /* + * 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); +} + +static void config_mrs(struct exynos5_dmc *dmc) +{ + unsigned long channel, chip, mask = 0, val; + + for (channel = 0; channel < CONFIG_DMC_CHANNELS; channel++) { + SET_CMD_CHANNEL(mask, channel); + for (chip = 0; chip < CONFIG_CHIPS_PER_CHANNEL; chip++) { + /* + * NOP CMD: + * Assert and hold CKE to logic high level + */ + SET_CMD_CHIP(mask, chip); + val = DIRECT_CMD_NOP | mask; + writel(val, &dmc->directcmd); + sdelay(0x10000); + + /* EMRS, MRS Cmds(Mode Reg Settings) Using Direct Cmd */ + val = DIRECT_CMD_MRS1 | mask; + writel(val, &dmc->directcmd); + sdelay(0x10000); + + val = DIRECT_CMD_MRS2 | mask; + writel(val, &dmc->directcmd); + sdelay(0x10000); + + /* MCLK_CDREX_533 */ + val = DIRECT_CMD_MRS3 | mask; + writel(val, &dmc->directcmd); + sdelay(0x10000); + + val = DIRECT_CMD_MRS4 | mask; + writel(val, &dmc->directcmd); + sdelay(0x10000); + } + } +} + +static void config_prech(struct exynos5_dmc *dmc) +{ + unsigned long channel, chip, mask = 0, val; + + for (channel = 0; channel < CONFIG_DMC_CHANNELS; channel++) { + SET_CMD_CHANNEL(mask, channel); + for (chip = 0; chip < CONFIG_CHIPS_PER_CHANNEL; chip++) { + SET_CMD_CHIP(mask, chip); + /* PALL (all banks precharge) CMD */ + val = DIRECT_CMD_PALL | mask; + writel(val, &dmc->directcmd); + sdelay(0x10000); + } + } +} + +static void sec_sdram_phy_init(struct exynos5_dmc *dmc) +{ + unsigned long val; + val = readl(&dmc->concontrol); + val |= DFI_INIT_START; + writel(val, &dmc->concontrol); + sdelay(0x10000); + + val = readl(&dmc->concontrol); + val &= ~DFI_INIT_START; + writel(val, &dmc->concontrol); +} + +static void config_offsets(unsigned int state, + struct exynos5_phy_control *phy0_ctrl, + struct exynos5_phy_control *phy1_ctrl) +{ + unsigned long val; + /* Set Offsets to read DQS */ + val = (state == SET) ? SET_DQS_OFFSET_VAL : RESET_DQS_OFFSET_VAL; + writel(val, &phy0_ctrl->phy_con4); + writel(val, &phy1_ctrl->phy_con4); + + /* Set Offsets to read DQ */ + val = (state == SET) ? SET_DQ_OFFSET_VAL : RESET_DQ_OFFSET_VAL; + writel(val, &phy0_ctrl->phy_con6); + writel(val, &phy1_ctrl->phy_con6); + + /* Debug Offset */ + val = (state == SET) ? SET_DEBUG_OFFSET_VAL : RESET_DEBUG_OFFSET_VAL; + writel(val, &phy0_ctrl->phy_con10); + writel(val, &phy1_ctrl->phy_con10); +} + +static void config_cdrex(void) +{ + struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE; + writel(CLK_DIV_CDREX_VAL, &clk->div_cdrex); + writel(CLK_SRC_CDREX_VAL, &clk->src_cdrex); + sdelay(0x30000); +} + +static void config_ctrl_dll_on(unsigned int state, + unsigned int ctrl_force_val, + struct exynos5_phy_control *phy0_ctrl, + struct exynos5_phy_control *phy1_ctrl) +{ + unsigned long val; + val = readl(&phy0_ctrl->phy_con12); + CONFIG_CTRL_DLL_ON(val, state); + SET_CTRL_FORCE_VAL(val, ctrl_force_val); + writel(val, &phy0_ctrl->phy_con12); + + val = readl(&phy1_ctrl->phy_con12); + CONFIG_CTRL_DLL_ON(val, state); + SET_CTRL_FORCE_VAL(val, ctrl_force_val); + writel(val, &phy1_ctrl->phy_con12); +} + +static void config_ctrl_start(unsigned int state, + struct exynos5_phy_control *phy0_ctrl, + struct exynos5_phy_control *phy1_ctrl) +{ + unsigned long val; + val = readl(&phy0_ctrl->phy_con12); + CONFIG_CTRL_START(val, state); + writel(val, &phy0_ctrl->phy_con12); + + val = readl(&phy1_ctrl->phy_con12); + CONFIG_CTRL_START(val, state); + writel(val, &phy1_ctrl->phy_con12); +} + +#if defined(CONFIG_RD_LVL) +static void config_rdlvl(struct exynos5_dmc *dmc, + struct exynos5_phy_control *phy0_ctrl, + struct exynos5_phy_control *phy1_ctrl) +{ + unsigned long val; + + /* Disable CTRL_DLL_ON and set ctrl_force */ + config_ctrl_dll_on(RESET, 0x2D, phy0_ctrl, phy1_ctrl); + + /* + * Set ctrl_gateadj, ctrl_readadj + * ctrl_gateduradj, rdlvl_pass_adj + * rdlvl_rddataPadj + */ + val = SET_RDLVL_RDDATAPADJ; + writel(val, &phy0_ctrl->phy_con1); + writel(val, &phy1_ctrl->phy_con1); + + /* LPDDR2 Address */ + writel(LPDDR2_ADDR, &phy0_ctrl->phy_con22); + writel(LPDDR2_ADDR, &phy1_ctrl->phy_con22); + + /* Enable Byte Read Leveling set ctrl_ddr_mode */ + val = readl(&phy0_ctrl->phy_con0); + val |= BYTE_RDLVL_EN; + writel(val, &phy0_ctrl->phy_con0); + val = readl(&phy1_ctrl->phy_con0); + val |= BYTE_RDLVL_EN; + writel(val, &phy1_ctrl->phy_con0); + + /* rdlvl_en: Use levelling offset instead ctrl_shiftc */ + val = PHY_CON2_RESET_VAL | RDLVL_EN; + writel(val, &phy0_ctrl->phy_con2); + writel(val, &phy1_ctrl->phy_con2); + sdelay(0x10000); + + /* Enable Data Eye Training */ + val = readl(&dmc->rdlvl_config); + val |= CTRL_RDLVL_DATA_EN; + writel(val, &dmc->rdlvl_config); + sdelay(0x10000); + + /* Disable Data Eye Training */ + val = readl(&dmc->rdlvl_config); + val &= ~CTRL_RDLVL_DATA_EN; + writel(val, &dmc->rdlvl_config); + + /* RdDeSkew_clear: Clear */ + val = readl(&phy0_ctrl->phy_con2); + val |= RDDSKEW_CLEAR; + writel(val, &phy0_ctrl->phy_con2); + val = readl(&phy1_ctrl->phy_con2); + val |= RDDSKEW_CLEAR; + writel(val, &phy1_ctrl->phy_con2); + + /* Enable CTRL_DLL_ON */ + config_ctrl_dll_on(SET, 0x0, phy0_ctrl, phy1_ctrl); + + update_reset_dll(dmc); + sdelay(0x10000); + + /* ctrl_atgte: ctrl_gate_p*, ctrl_read_p* generated by PHY */ + val = readl(&phy0_ctrl->phy_con0); + val &= ~CTRL_ATGATE; + writel(val, &phy0_ctrl->phy_con0); + val = readl(&phy1_ctrl->phy_con0); + val &= ~CTRL_ATGATE; + writel(val, &phy1_ctrl->phy_con0); +} +#endif + +static void config_memory(struct exynos5_dmc *dmc) +{ + /* + * Memory Configuration Chip 0 + * Address Mapping: Interleaved + * Number of Column address Bits: 10 bits + * Number of Rows Address Bits: 14 + * Number of Banks: 8 + */ + writel(DMC_MEMCONFIG0_VAL, &dmc->memconfig0); + + /* + * Memory Configuration Chip 1 + * Address Mapping: Interleaved + * Number of Column address Bits: 10 bits + * Number of Rows Address Bits: 14 + * Number of Banks: 8 + */ + writel(DMC_MEMCONFIG1_VAL, &dmc->memconfig1); + + /* + * Chip0: AXI + * AXI Base Address: 0x40000000 + * AXI Base Address Mask: 0x780 + */ + writel(DMC_MEMBASECONFIG0_VAL, &dmc->membaseconfig0); + + /* + * Chip1: AXI + * AXI Base Address: 0x80000000 + * AXI Base Address Mask: 0x780 + */ + writel(DMC_MEMBASECONFIG1_VAL, &dmc->membaseconfig1); +} + +void mem_ctrl_init() +{ + struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl; + struct exynos5_dmc *dmc; + unsigned long val; + + 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 Controllor: PHY_RESET[0] */ + reset_phy_ctrl(); + + /*set Read Latancy and Burst Length for PHY0 and PHY1 */ + writel(PHY_CON42_VAL, &phy0_ctrl->phy_con42); + writel(PHY_CON42_VAL, &phy1_ctrl->phy_con42); + + /* ZQ Cofiguration */ + config_zq(phy0_ctrl, phy1_ctrl); + + /* Operation Mode : LPDDR2 */ + val = PHY_CON0_RESET_VAL; + SET_CTRL_DDR_MODE(val, DDR_MODE_LPDDR2); + writel(val, &phy0_ctrl->phy_con0); + writel(val, &phy1_ctrl->phy_con0); + + /* DQS, DQ: Signal, for LPDDR2: Always Set */ + val = CTRL_PULLD_DQ | CTRL_PULLD_DQS; + writel(val, &phy0_ctrl->phy_con14); + writel(val, &phy1_ctrl->phy_con14); + + /* Init SEC SDRAM PHY */ + sec_sdram_phy_init(dmc); + sdelay(0x10000); + + update_reset_dll(dmc); + + /* + * Dynamic Clock: Always Running + * Memory Burst length: 4 + * Number of chips: 2 + * Memory Bus width: 32 bit + * Memory Type: LPDDR2-S4 + * Additional Latancy for PLL: 1 Cycle + */ + writel(DMC_MEMCONTROL_VAL, &dmc->memcontrol); + + config_memory(dmc); + + /* Precharge Configuration */ + writel(DMC_PRECHCONFIG_VAL, &dmc->prechconfig); + + /* Power Down mode Configuration */ + writel(DMC_PWRDNCONFIG_VAL, &dmc->pwrdnconfig); + + /* Periodic Refrese Interval */ + writel(DMC_TIMINGREF_VAL, &dmc->timingref); + + /* + * TimingRow, TimingData, TimingPower Setting: + * Values as per Memory AC Parameters + */ + writel(DMC_TIMINGROW_VAL, &dmc->timingrow); + + writel(DMC_TIMINGDATA_VAL, &dmc->timingdata); + + writel(DMC_TIMINGPOWER_VAL, &dmc->timingpower); + + /* Memory Channel Inteleaving Size: 128 Bytes */ + writel(CONFIG_IV_SIZE, &dmc->ivcontrol); + + /* Set DQS, DQ and DEBUG offsets */ + config_offsets(SET, phy0_ctrl, phy1_ctrl); + + /* Disable CTRL_DLL_ON and set ctrl_force */ + config_ctrl_dll_on(RESET, 0x7F, phy0_ctrl, phy1_ctrl); + sdelay(0x10000); + + update_reset_dll(dmc); + + /* Config MRS(Mode Register Settingg) */ + config_mrs(dmc); + + config_cdrex(); + + /* Reset DQS DQ and DEBUG offsets */ + config_offsets(RESET, phy0_ctrl, phy1_ctrl); + + /* Enable CTRL_DLL_ON */ + config_ctrl_dll_on(SET, 0x0, phy0_ctrl, phy1_ctrl); + + /* Stop DLL Locking */ + config_ctrl_start(RESET, phy0_ctrl, phy1_ctrl); + sdelay(0x10000); + + /* Start DLL Locking */ + config_ctrl_start(SET, phy0_ctrl, phy1_ctrl); + sdelay(0x10000); + + update_reset_dll(dmc); + +#if defined(CONFIG_RD_LVL) + config_rdlvl(dmc, phy0_ctrl, phy1_ctrl); +#endif + config_prech(dmc); + + /* + * Dynamic Clock: Stops During Idle Period + * Dynamic Power Down: Enable + * Dynamic Self refresh: Enable + */ + val = readl(&dmc->memcontrol); + val |= CLK_STOP_EN | DPWRDN_EN | DSREF_EN; + writel(val, &dmc->memcontrol); + + /* Start Auto refresh */ + val = readl(&dmc->concontrol); + val |= AREF_EN; + writel(val, &dmc->concontrol); +} diff --git a/board/samsung/smdk5250/lowlevel_init.S b/board/samsung/smdk5250/lowlevel_init.S new file mode 100644 index 0000000..bc6cb6f --- /dev/null +++ b/board/samsung/smdk5250/lowlevel_init.S @@ -0,0 +1,96 @@ +/* + * Lowlevel setup for SMDK5250 board based on S5PC520 + * + * Copyright (C) 2012 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 + + /* LPA wakeup reset */ + ldr r2, =S5P_CHECK_LPA + 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 tzpc_init + ldmia r13!, {ip,pc} + +wakeup_reset: + bl system_clock_init + bl mem_ctrl_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/smdk5250/setup.h b/board/samsung/smdk5250/setup.h new file mode 100644 index 0000000..1276fd3 --- /dev/null +++ b/board/samsung/smdk5250/setup.h @@ -0,0 +1,451 @@ +/* + * Machine Specific Values for SMDK5250 board based on S5PC520 + * + * Copyright (C) 2012 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 _SMDK5250_SETUP_H +#define _SMDK5250_SETUP_H + +#include <config.h> +#include <version.h> +#include <asm/arch/cpu.h> + +/* GPIO Offsets for UART: GPIO Contol Register */ +#define EXYNOS5_GPIO_A0_CON_OFFSET 0x0 +#define EXYNOS5_GPIO_A1_CON_OFFSET 0x20 + +/* TZPC : Register Offsets */ +#define TZPC0_BASE 0x10100000 +#define TZPC1_BASE 0x10110000 +#define TZPC2_BASE 0x10120000 +#define TZPC3_BASE 0x10130000 +#define TZPC4_BASE 0x10140000 +#define TZPC5_BASE 0x10150000 +#define TZPC6_BASE 0x10160000 +#define TZPC7_BASE 0x10170000 +#define TZPC8_BASE 0x10180000 +#define TZPC9_BASE 0x10190000 + +/* 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)) + +/* CLK_DIV_CPU0 */ +#define ARM2_RATIO 0x0 +#define APLL_RATIO 0x1 +#define PCLK_DBG_RATIO 0x1 +#define ATB_RATIO 0x4 +#define PERIPH_RATIO 0x7 +#define ACP_RATIO 0x7 +#define CPUD_RATIO 0x2 +#define ARM_RATIO 0x0 +#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_DIV_CPU1 */ +#define HPM_RATIO 0x4 +#define COPY_RATIO 0x0 +#define CLK_DIV_CPU1_VAL ((HPM_RATIO << 4) \ + | (COPY_RATIO)) + +#define APLL_MDIV 0x7D +#define APLL_PDIV 0x3 +#define APLL_SDIV 0x0 + +#define MPLL_MDIV 0x64 +#define MPLL_PDIV 0x3 +#define MPLL_SDIV 0x0 + +#define CPLL_MDIV 0x96 +#define CPLL_PDIV 0x4 +#define CPLL_SDIV 0x0 + +/* APLL_CON1 */ +#define APLL_CON1_VAL (0x00203800) + +/* MPLL_CON1 */ +#define MPLL_CON1_VAL (0x00203800) + +/* CPLL_CON1 */ +#define CPLL_CON1_VAL (0x00203800) + +#define EPLL_MDIV 0x60 +#define EPLL_PDIV 0x3 +#define EPLL_SDIV 0x3 + +#define EPLL_CON1_VAL 0x00000000 +#define EPLL_CON2_VAL 0x00000080 + +#define VPLL_MDIV 0x96 +#define VPLL_PDIV 0x3 +#define VPLL_SDIV 0x2 + +#define VPLL_CON1_VAL 0x00000000 +#define VPLL_CON2_VAL 0x00000080 + +#define BPLL_MDIV 0x215 +#define BPLL_PDIV 0xC +#define BPLL_SDIV 0x1 + +#define BPLL_CON1_VAL 0x00203800 + +/* Set PLL */ +#define set_pll(mdiv, pdiv, sdiv) (1<<31 | mdiv<<16 | pdiv<<8 | sdiv) + +#define APLL_CON0_VAL set_pll(APLL_MDIV, APLL_PDIV, APLL_SDIV) +#define MPLL_CON0_VAL set_pll(MPLL_MDIV, MPLL_PDIV, MPLL_SDIV) +#define CPLL_CON0_VAL set_pll(CPLL_MDIV, CPLL_PDIV, CPLL_SDIV) +#define EPLL_CON0_VAL set_pll(EPLL_MDIV, EPLL_PDIV, EPLL_SDIV) +#define VPLL_CON0_VAL set_pll(VPLL_MDIV, VPLL_PDIV, VPLL_SDIV) +#define BPLL_CON0_VAL set_pll(BPLL_MDIV, BPLL_PDIV, BPLL_SDIV) + +/* CLK_SRC_CORE0 */ +#define CLK_SRC_CORE0_VAL 0x00060000 + +/* CLK_SRC_CORE1 */ +#define CLK_SRC_CORE1_VAL 0x100 + +/* CLK_DIV_CORE0 */ +#define CLK_DIV_CORE0_VAL 0x120000 + +/* CLK_DIV_CORE1 */ +#define CLK_DIV_CORE1_VAL 0x07070700 + +/* CLK_SRC_CDREX */ +#define CLK_SRC_CDREX_INIT_VAL 0x1 +#define CLK_SRC_CDREX_VAL 0x111 + +/* CLK_DIV_CDREX */ +#define CLK_DIV_CDREX_INIT_VAL 0x71771111 + +#define MCLK_CDREX2_RATIO 0x0 +#define ACLK_EFCON_RATIO 0x1 +#define MCLK_DPHY_RATIO 0x0 +#define MCLK_CDREX_RATIO 0x0 +#define ACLK_C2C_200_RATIO 0x1 +#define C2C_CLK_400_RATIO 0x1 +#define PCLK_CDREX_RATIO 0x3 +#define ACLK_CDREX_RATIO 0x1 +#define CLK_DIV_CDREX_VAL ((MCLK_DPHY_RATIO << 20) \ + | (MCLK_CDREX_RATIO << 16) \ + | (ACLK_C2C_200_RATIO << 12) \ + | (C2C_CLK_400_RATIO << 8) \ + | (PCLK_CDREX_RATIO << 4) \ + | (ACLK_CDREX_RATIO)) + +#define MCLK_EFPHY_RATIO 0x4 +#define CLK_DIV_CDREX2_VAL MCLK_EFPHY_RATIO + +/* CLK_DIV_ACP */ +#define CLK_DIV_ACP_VAL 0x12 + +/* CLK_SRC_TOP0 */ +#define MUX_ACLK_300_GSCL_SEL 0x1 +#define MUX_ACLK_300_GSCL_MID_SEL 0x0 +#define MUX_ACLK_400_SEL 0x0 +#define MUX_ACLK_333_SEL 0x0 +#define MUX_ACLK_300_DISP1_SEL 0x1 +#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_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_ISP_SEL 0x0 +#define MUX_ACLK_400_IOP_SEL 0x0 +#define MUX_ACLK_MIPI_HSI_TXBASE_SEL 0x0 +#define CLK_SRC_TOP1_VAL ((MUX_ACLK_400_ISP_SEL << 24) \ + |(MUX_ACLK_400_IOP_SEL << 20) \ + |(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16)) + +/* CLK_SRC_TOP2 */ +#define MUX_BPLL_USER_SEL 0x1 +#define MUX_MPLL_USER_SEL 0x1 +#define MUX_VPLL_SEL 0x0 +#define MUX_EPLL_SEL 0x0 +#define MUX_CPLL_SEL 0x0 +#define VPLLSRC_SEL 0x0 +#define CLK_SRC_TOP2_VAL ((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 0x1 +#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_RATIO 0x0 +#define ACLK_400_RATIO 0x3 +#define ACLK_333_RATIO 0x2 +#define ACLK_266_RATIO 0x2 +#define ACLK_200_RATIO 0x3 +#define ACLK_166_RATIO 0x5 +#define ACLK_133_RATIO 0x1 +#define ACLK_66_RATIO 0x5 +#define CLK_DIV_TOP0_VAL ((ACLK_300_RATIO << 28) \ + | (ACLK_400_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 0x0 +#define ACLK_266_GPS_RATIO 0x7 + +#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) \ + | (ACLK_266_GPS_RATIO << 8)) + +/* APLL_LOCK */ +#define APLL_LOCK_VAL (0x3E8) +/* MPLL_LOCK */ +#define MPLL_LOCK_VAL (0x2F1) +/* CPLL_LOCK */ +#define CPLL_LOCK_VAL (0x3E8) +/* EPLL_LOCK */ +#define EPLL_LOCK_VAL (0x2321) +/* VPLL_LOCK */ +#define VPLL_LOCK_VAL (0x2321) +/* BPLL_LOCK */ +#define BPLL_LOCK_VAL (0x3E8) + +/* CLK_SRC_PERIC0 */ +/* SRC_CLOCK = SCLK_MPLL */ +#define PWM_SEL 0 +#define UART4_SEL 6 +#define UART3_SEL 6 +#define UART2_SEL 6 +#define UART1_SEL 6 +#define UART0_SEL 6 +#define CLK_SRC_PERIC0_VAL ((PWM_SEL << 24) \ + | (UART4_SEL << 16) \ + | (UART3_SEL << 12) \ + | (UART2_SEL << 8) \ + | (UART1_SEL << 4) \ + | (UART0_SEL << 0)) + +#define CLK_SRC_FSYS_VAL 0x66666 +#define CLK_DIV_FSYS0_VAL 0x0BB00000 +#define CLK_DIV_FSYS1_VAL 0x000f000f +#define CLK_DIV_FSYS2_VAL 0x020f020f +#define CLK_DIV_FSYS3_VAL 0x000f + +/* CLK_DIV_PERIC0 */ +#define UART5_RATIO 8 +#define UART4_RATIO 8 +#define UART3_RATIO 8 +#define UART2_RATIO 8 +#define UART1_RATIO 8 +#define UART0_RATIO 8 +#define CLK_DIV_PERIC0_VAL ((UART4_RATIO << 16) \ + | (UART3_RATIO << 12) \ + | (UART2_RATIO << 8) \ + | (UART1_RATIO << 4) \ + | (UART0_RATIO << 0)) + +/* CLK_DIV_PERIC3 */ +#define PWM_RATIO 8 +#define CLK_DIV_PERIC3_VAL (PWM_RATIO << 0) + +/* 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 + +/* SCLK_SRC_ISP */ +#define SCLK_SRC_ISP_VAL 0x600 +/* 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 + +#define MPLL_DEC (MPLL_MDIV * MPLL_MDIV / (MPLL_PDIV * 2^(MPLL_SDIV-1))) + +/* + * TZPC Register Value : + * R0SIZE: 0x0 : Size of secured ram + */ +#define R0SIZE 0x0 + +/* + * TZPC Decode Protection Register Value : + * DECPROTXSET: 0xFF : Set Decode region to non-secure + */ +#define DECPROTXSET 0xFF + +/* DMC Init */ +#define SET 1 +#define RESET 0 +/* (Memory Interleaving Size = 1 << IV_SIZE) */ +#define CONFIG_IV_SIZE 0x07 + +#define PHY_RESET_VAL (0 << 0) + +/*ZQ Configurations */ +#define PHY_CON16_RESET_VAL 0x08000304 + +#define ZQ_MODE_DDS_VAL (0x5 << 24) +#define ZQ_MODE_TERM_VAL (0x5 << 21) +#define SET_ZQ_MODE_DDS_VAL(x) (x = (x & ~(0x7 << 24)) | ZQ_MODE_DDS_VAL) +#define SET_ZQ_MODE_TERM_VAL(x) (x = (x & ~(0x7 << 21)) | ZQ_MODE_TERM_VAL) + +#define ZQ_MODE_NOTERM (1 << 19) +#define ZQ_CLK_DIV_EN (1 << 18) +#define ZQ_MANUAL_STR (1 << 1) + +/* Channel and Chip Selection */ +#define CONFIG_DMC_CHANNELS 2 +#define CONFIG_CHIPS_PER_CHANNEL 2 + +#define SET_CMD_CHANNEL(x, y) (x = (x & ~(1 << 28)) | y << 28) +#define SET_CMD_CHIP(x, y) (x = (x & ~(1 << 20)) | y << 20) + +/* Diret Command */ +#define DIRECT_CMD_NOP 0x07000000 +#define DIRECT_CMD_MRS1 0x00071C00 +#define DIRECT_CMD_MRS2 0x00010BFC +#define DIRECT_CMD_MRS3 0x00000708 +#define DIRECT_CMD_MRS4 0x00000818 +#define DIRECT_CMD_PALL 0x01000000 + +/* DLL Resync */ +#define FP_RSYNC (1 << 3) + +#define CONFIG_CTRL_DLL_ON(x, y) (x = (x & ~(1 << 5)) | y << 5) +#define CONFIG_CTRL_START(x, y) (x = (x & ~(1 << 6)) | y << 6) +#define SET_CTRL_FORCE_VAL(x, y) (x = (x & ~(0x7F << 8)) | y << 8) + +/* RDLVL */ +#define PHY_CON0_RESET_VAL 0x17023240 +#define DDR_MODE_LPDDR2 0x2 +#define BYTE_RDLVL_EN (1 << 13) +#define CTRL_ATGATE (1 << 6) +#define SET_CTRL_DDR_MODE(x, y) (x = (x & ~(0x3 << 11)) | y << 11) + +#define PHY_CON1_RESET_VAL 0x9210100 +#define RDLVL_RDDATAPADJ 0x1 +#define SET_RDLVL_RDDATAPADJ ((PHY_CON1_RESET_VAL & ~(0xFFFF << 0))\ + | RDLVL_RDDATAPADJ << 0) + +#define PHY_CON2_RESET_VAL 0x00010004 +#define RDLVL_EN (1 << 25) +#define RDDSKEW_CLEAR (1 << 13) + +#define CTRL_RDLVL_DATA_EN (1 << 1) +#define LPDDR2_ADDR 0x00000208 + +#define DMC_MEMCONFIG0_VAL 0x00001323 +#define DMC_MEMCONFIG1_VAL 0x00001323 +#define DMC_MEMBASECONFIG0_VAL 0x00400780 +#define DMC_MEMBASECONFIG1_VAL 0x00800780 +#define DMC_MEMCONTROL_VAL 0x00212500 +#define DMC_PRECHCONFIG_VAL 0xFF000000 +#define DMC_PWRDNCONFIG_VAL 0xFFFF00FF +#define DMC_TIMINGREF_VAL 0x0000005D +#define DMC_TIMINGROW_VAL 0x2336544C +#define DMC_TIMINGDATA_VAL 0x24202408 +#define DMC_TIMINGPOWER_VAL 0x38260235 + +#define CTRL_BSTLEN 0x04 +#define CTRL_RDLAT 0x08 +#define PHY_CON42_VAL (CTRL_BSTLEN << 8 | CTRL_RDLAT << 0) + +/* DQS, DQ, DEBUG offsets */ +#define SET_DQS_OFFSET_VAL 0x7F7F7F7F +#define SET_DQ_OFFSET_VAL 0x7F7F7F7F +#define SET_DEBUG_OFFSET_VAL 0x7F + +#define RESET_DQS_OFFSET_VAL 0x08080808 +#define RESET_DQ_OFFSET_VAL 0x08080808 +#define RESET_DEBUG_OFFSET_VAL 0x8 + +#define CTRL_PULLD_DQ (0x0F << 8) +#define CTRL_PULLD_DQS (0x0F << 0) + +#define DFI_INIT_START (1 << 28) + +#define CLK_STOP_EN (1 << 0) +#define DPWRDN_EN (1 << 1) +#define DSREF_EN (1 << 5) + +#define AREF_EN (1 << 5) +void sdelay(unsigned long); +void mem_ctrl_init(void); +void system_clock_init(void); +void tzpc_init(void); + +#endif diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c new file mode 100644 index 0000000..04c863a --- /dev/null +++ b/board/samsung/smdk5250/smdk5250.c @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2012 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/io.h> +#include <netdev.h> +#include <asm/arch/cpu.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc.h> +#include <asm/arch/sromc.h> + +DECLARE_GLOBAL_DATA_PTR; +struct exynos5_gpio_part1 *gpio1; + +int board_init(void) +{ + gpio1 = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); + + gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) + + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) + + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) + + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE) + + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE) + + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE) + + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE) + + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE); + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, + PHYS_SDRAM_2_SIZE); + gd->bd->bi_dram[2].start = PHYS_SDRAM_3; + gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, + PHYS_SDRAM_3_SIZE); + gd->bd->bi_dram[3].start = PHYS_SDRAM_4; + gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, + PHYS_SDRAM_4_SIZE); + gd->bd->bi_dram[4].start = PHYS_SDRAM_5; + gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5, + PHYS_SDRAM_5_SIZE); + gd->bd->bi_dram[5].start = PHYS_SDRAM_6; + gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6, + PHYS_SDRAM_6_SIZE); + gd->bd->bi_dram[6].start = PHYS_SDRAM_7; + gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7, + PHYS_SDRAM_7_SIZE); + gd->bd->bi_dram[7].start = PHYS_SDRAM_8; + gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8, + PHYS_SDRAM_8_SIZE); +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + printf("\nBoard: SMDK5250\n"); + + return 0; +} +#endif + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + int i, err; + + /* + * MMC2 SD card GPIO: + * + * GPC2[0] SD_2_CLK(2) + * GPC2[1] SD_2_CMD(2) + * GPC2[2] SD_2_CDn + * GPC2[3:6] SD_2_DATA[0:3](2) + */ + for (i = 0; i < 7; i++) { + /* GPC2[0:6] special function 2 */ + s5p_gpio_cfg_pin(&gpio1->c2, i, GPIO_FUNC(0x2)); + + /* GPK2[0:6] drv 4x */ + s5p_gpio_set_drv(&gpio1->c2, i, GPIO_DRV_4X); + + /* GPK2[0:1] pull disable */ + if (i == 0 || i == 1) { + s5p_gpio_set_pull(&gpio1->c2, i, GPIO_PULL_NONE); + continue; + } + + /* GPK2[2:6] pull up */ + s5p_gpio_set_pull(&gpio1->c2, i, GPIO_PULL_UP); + } + + err = s5p_mmc_init(2, 4); + return err; +} +#endif + +static void board_uart_init(void) +{ + struct exynos5_gpio_part1 *gpio1 = + (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); + int i; + + /* UART1 GPIOs (part1) : GPA0CON[7:4] 0x2222 */ + for (i = 4; i < 8; i++) { + s5p_gpio_set_pull(&gpio1->a0, i, GPIO_PULL_NONE); + s5p_gpio_cfg_pin(&gpio1->a0, i, GPIO_FUNC(0x2)); + } +} + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ + board_uart_init(); + return 0; +} +#endif diff --git a/board/samsung/smdk5250/tzpc_init.c b/board/samsung/smdk5250/tzpc_init.c new file mode 100644 index 0000000..c2ccef3 --- /dev/null +++ b/board/samsung/smdk5250/tzpc_init.c @@ -0,0 +1,48 @@ +/* + * Lowlevel setup for SMDK5250 board based on S5PC520 + * + * Copyright (C) 2012 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 <asm/arch/tzpc.h> +#include"setup.h" + +/* Setting TZPC[TrustZone Protection Controller] */ +void tzpc_init(void) +{ + struct exynos5_tzpc *tzpc; + unsigned int addr; + + for (addr = TZPC0_BASE; addr <= TZPC9_BASE; addr += TZPC_BASE_OFFSET) { + tzpc = (struct exynos5_tzpc *)addr; + + if (addr == TZPC0_BASE) + writel(R0SIZE, &tzpc->r0size); + + writel(DECPROTXSET, &tzpc->decprot0set); + writel(DECPROTXSET, &tzpc->decprot1set); + + if (addr != TZPC9_BASE) { + writel(DECPROTXSET, &tzpc->decprot2set); + writel(DECPROTXSET, &tzpc->decprot3set); + } + } +} |