diff options
Diffstat (limited to 'board/samsung')
| -rw-r--r-- | board/samsung/smdk2410/Makefile | 2 | ||||
| -rw-r--r-- | board/samsung/smdk2410/config.mk | 25 | ||||
| -rw-r--r-- | board/samsung/smdk2410/flash.c | 433 | ||||
| -rw-r--r-- | board/samsung/smdk2410/smdk2410.c | 73 | ||||
| -rw-r--r-- | board/samsung/smdkc100/smdkc100.c | 4 | ||||
| -rw-r--r-- | board/samsung/smdkv310/Makefile | 46 | ||||
| -rw-r--r-- | board/samsung/smdkv310/lowlevel_init.S | 470 | ||||
| -rw-r--r-- | board/samsung/smdkv310/mem_setup.S | 365 | ||||
| -rw-r--r-- | board/samsung/smdkv310/smdkv310.c | 136 |
9 files changed, 1066 insertions, 488 deletions
diff --git a/board/samsung/smdk2410/Makefile b/board/samsung/smdk2410/Makefile index bda8898..0afe1e2 100644 --- a/board/samsung/smdk2410/Makefile +++ b/board/samsung/smdk2410/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).o -COBJS := smdk2410.o flash.o +COBJS := smdk2410.o SOBJS := lowlevel_init.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/board/samsung/smdk2410/config.mk b/board/samsung/smdk2410/config.mk deleted file mode 100644 index c8d1b1f..0000000 --- a/board/samsung/smdk2410/config.mk +++ /dev/null @@ -1,25 +0,0 @@ -# -# (C) Copyright 2002 -# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> -# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> -# -# SAMSUNG SMDK2410 board with S3C2410X (ARM920T) cpu -# -# see http://www.samsung.com/ for more information on SAMSUNG -# - -# -# SMDK2410 has 1 bank of 64 MB DRAM -# -# 3000'0000 to 3400'0000 -# -# Linux-Kernel is expected to be at 3000'8000, entry 3000'8000 -# optionally with a ramdisk at 3080'0000 -# -# we load ourself to 33F8'0000 -# -# download area is 3300'0000 -# - - -CONFIG_SYS_TEXT_BASE = 0x33F80000 diff --git a/board/samsung/smdk2410/flash.c b/board/samsung/smdk2410/flash.c deleted file mode 100644 index 132d752..0000000 --- a/board/samsung/smdk2410/flash.c +++ /dev/null @@ -1,433 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * 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> - -ulong myflush (void); - - -#define FLASH_BANK_SIZE PHYS_FLASH_SIZE -#define MAIN_SECT_SIZE 0x10000 /* 64 KB */ - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; - - -#define CMD_READ_ARRAY 0x000000F0 -#define CMD_UNLOCK1 0x000000AA -#define CMD_UNLOCK2 0x00000055 -#define CMD_ERASE_SETUP 0x00000080 -#define CMD_ERASE_CONFIRM 0x00000030 -#define CMD_PROGRAM 0x000000A0 -#define CMD_UNLOCK_BYPASS 0x00000020 - -#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x00000555 << 1))) -#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x000002AA << 1))) - -#define BIT_ERASE_DONE 0x00000080 -#define BIT_RDY_MASK 0x00000080 -#define BIT_PROGRAM_ERROR 0x00000020 -#define BIT_TIMEOUT 0x80000000 /* our flag */ - -#define READY 1 -#define ERR 2 -#define TMO 4 - -/*----------------------------------------------------------------------- - */ - -ulong flash_init (void) -{ - int i, j; - ulong size = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - ulong flashbase = 0; - - flash_info[i].flash_id = -#if defined(CONFIG_AMD_LV400) - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV400B & FLASH_TYPEMASK); -#elif defined(CONFIG_AMD_LV800) - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV800B & FLASH_TYPEMASK); -#else -#error "Unknown flash configured" -#endif - flash_info[i].size = FLASH_BANK_SIZE; - flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT; - memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); - if (i == 0) - flashbase = PHYS_FLASH_1; - else - panic ("configured too many flash banks!\n"); - for (j = 0; j < flash_info[i].sector_count; j++) { - if (j <= 3) { - /* 1st one is 16 KB */ - if (j == 0) { - flash_info[i].start[j] = - flashbase + 0; - } - - /* 2nd and 3rd are both 8 KB */ - if ((j == 1) || (j == 2)) { - flash_info[i].start[j] = - flashbase + 0x4000 + (j - - 1) * - 0x2000; - } - - /* 4th 32 KB */ - if (j == 3) { - flash_info[i].start[j] = - flashbase + 0x8000; - } - } else { - flash_info[i].start[j] = - flashbase + (j - 3) * MAIN_SECT_SIZE; - } - } - size += flash_info[i].size; - } - - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, - &flash_info[0]); - - flash_protect (FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - switch (info->flash_id & FLASH_VENDMASK) { - case (AMD_MANUFACT & FLASH_VENDMASK): - printf ("AMD: "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case (AMD_ID_LV400B & FLASH_TYPEMASK): - printf ("1x Amd29LV400BB (4Mbit)\n"); - break; - case (AMD_ID_LV800B & FLASH_TYPEMASK): - printf ("1x Amd29LV800BB (8Mbit)\n"); - break; - default: - printf ("Unknown Chip Type\n"); - goto Done; - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; i++) { - if ((i % 5) == 0) { - printf ("\n "); - } - printf (" %08lX%s", info->start[i], - info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - - Done:; -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - ushort result; - int iflag, cflag, prot, sect; - int rc = ERR_OK; - int chip; - - /* first look for protection bits */ - - if (info->flash_id == FLASH_UNKNOWN) - return ERR_UNKNOWN_FLASH_TYPE; - - if ((s_first < 0) || (s_first > s_last)) { - return ERR_INVAL; - } - - if ((info->flash_id & FLASH_VENDMASK) != - (AMD_MANUFACT & FLASH_VENDMASK)) { - return ERR_UNKNOWN_FLASH_VENDOR; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - if (prot) - return ERR_PROTECTED; - - /* - * Disable interrupts which might cause a timeout - * here. Remember that our exception vectors are - * at address 0 in the flash, and we don't want a - * (ticker) exception to happen while the flash - * chip is in programming mode. - */ - cflag = icache_status (); - icache_disable (); - iflag = disable_interrupts (); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last && !ctrlc (); sect++) { - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - if (info->protect[sect] == 0) { /* not protected */ - vu_short *addr = (vu_short *) (info->start[sect]); - - MEM_FLASH_ADDR1 = CMD_UNLOCK1; - MEM_FLASH_ADDR2 = CMD_UNLOCK2; - MEM_FLASH_ADDR1 = CMD_ERASE_SETUP; - - MEM_FLASH_ADDR1 = CMD_UNLOCK1; - MEM_FLASH_ADDR2 = CMD_UNLOCK2; - *addr = CMD_ERASE_CONFIRM; - - /* wait until flash is ready */ - chip = 0; - - do { - result = *addr; - - /* check timeout */ - if (get_timer_masked () > - CONFIG_SYS_FLASH_ERASE_TOUT) { - MEM_FLASH_ADDR1 = CMD_READ_ARRAY; - chip = TMO; - break; - } - - if (!chip - && (result & 0xFFFF) & BIT_ERASE_DONE) - chip = READY; - - if (!chip - && (result & 0xFFFF) & BIT_PROGRAM_ERROR) - chip = ERR; - - } while (!chip); - - MEM_FLASH_ADDR1 = CMD_READ_ARRAY; - - if (chip == ERR) { - rc = ERR_PROG_ERROR; - goto outahere; - } - if (chip == TMO) { - rc = ERR_TIMOUT; - goto outahere; - } - - printf ("ok.\n"); - } else { /* it was protected */ - - printf ("protected!\n"); - } - } - - if (ctrlc ()) - printf ("User Interrupt!\n"); - - outahere: - /* allow flash to settle - wait 10 ms */ - udelay_masked (10000); - - if (iflag) - enable_interrupts (); - - if (cflag) - icache_enable (); - - return rc; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash - */ - -static int write_hword (flash_info_t * info, ulong dest, ushort data) -{ - vu_short *addr = (vu_short *) dest; - ushort result; - int rc = ERR_OK; - int cflag, iflag; - int chip; - - /* - * Check if Flash is (sufficiently) erased - */ - result = *addr; - if ((result & data) != data) - return ERR_NOT_ERASED; - - - /* - * Disable interrupts which might cause a timeout - * here. Remember that our exception vectors are - * at address 0 in the flash, and we don't want a - * (ticker) exception to happen while the flash - * chip is in programming mode. - */ - cflag = icache_status (); - icache_disable (); - iflag = disable_interrupts (); - - MEM_FLASH_ADDR1 = CMD_UNLOCK1; - MEM_FLASH_ADDR2 = CMD_UNLOCK2; - MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS; - *addr = CMD_PROGRAM; - *addr = data; - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - /* wait until flash is ready */ - chip = 0; - do { - result = *addr; - - /* check timeout */ - if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) { - chip = ERR | TMO; - break; - } - if (!chip && ((result & 0x80) == (data & 0x80))) - chip = READY; - - if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) { - result = *addr; - - if ((result & 0x80) == (data & 0x80)) - chip = READY; - else - chip = ERR; - } - - } while (!chip); - - *addr = CMD_READ_ARRAY; - - if (chip == ERR || *addr != data) - rc = ERR_PROG_ERROR; - - if (iflag) - enable_interrupts (); - - if (cflag) - icache_enable (); - - return rc; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash. - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - int l; - int i, rc; - ushort data; - - wp = (addr & ~1); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data >> 8) | (*(uchar *) cp << 8); - } - for (; i < 2 && cnt > 0; ++i) { - data = (data >> 8) | (*src++ << 8); - --cnt; - ++cp; - } - for (; cnt == 0 && i < 2; ++i, ++cp) { - data = (data >> 8) | (*(uchar *) cp << 8); - } - - if ((rc = write_hword (info, wp, data)) != 0) { - return (rc); - } - wp += 2; - } - - /* - * handle word aligned part - */ - while (cnt >= 2) { - data = *((vu_short *) src); - if ((rc = write_hword (info, wp, data)) != 0) { - return (rc); - } - src += 2; - wp += 2; - cnt -= 2; - } - - if (cnt == 0) { - return ERR_OK; - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) { - data = (data >> 8) | (*src++ << 8); - --cnt; - } - for (; i < 2; ++i, ++cp) { - data = (data >> 8) | (*(uchar *) cp << 8); - } - - return write_hword (info, wp, data); -} diff --git a/board/samsung/smdk2410/smdk2410.c b/board/samsung/smdk2410/smdk2410.c index 76a24bb..e9ba922 100644 --- a/board/samsung/smdk2410/smdk2410.c +++ b/board/samsung/smdk2410/smdk2410.c @@ -3,7 +3,7 @@ * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * - * (C) Copyright 2002 + * (C) Copyright 2002, 2010 * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> * * See file CREDITS for list of people who contributed to this @@ -27,6 +27,7 @@ #include <common.h> #include <netdev.h> +#include <asm/io.h> #include <asm/arch/s3c24x0_cpu.h> DECLARE_GLOBAL_DATA_PTR; @@ -55,7 +56,7 @@ DECLARE_GLOBAL_DATA_PTR; #define U_M_SDIV 0x2 #endif -static inline void delay (unsigned long loops) +static inline void pll_delay(unsigned long loops) { __asm__ volatile ("1:\n" "subs %0, %1, #1\n" @@ -66,44 +67,51 @@ static inline void delay (unsigned long loops) * Miscellaneous platform dependent initialisations */ -int board_init (void) +int board_early_init_f(void) { struct s3c24x0_clock_power * const clk_power = s3c24x0_get_base_clock_power(); struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio(); /* to reduce PLL lock time, adjust the LOCKTIME register */ - clk_power->locktime = 0xFFFFFF; + writel(0xFFFFFF, &clk_power->locktime); /* configure MPLL */ - clk_power->mpllcon = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV); + writel((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV, + &clk_power->mpllcon); /* some delay between MPLL and UPLL */ - delay (4000); + pll_delay(4000); /* configure UPLL */ - clk_power->upllcon = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV); + writel((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV, + &clk_power->upllcon); /* some delay between MPLL and UPLL */ - delay (8000); + pll_delay(8000); /* set up the I/O ports */ - gpio->gpacon = 0x007FFFFF; - gpio->gpbcon = 0x00044555; - gpio->gpbup = 0x000007FF; - gpio->gpccon = 0xAAAAAAAA; - gpio->gpcup = 0x0000FFFF; - gpio->gpdcon = 0xAAAAAAAA; - gpio->gpdup = 0x0000FFFF; - gpio->gpecon = 0xAAAAAAAA; - gpio->gpeup = 0x0000FFFF; - gpio->gpfcon = 0x000055AA; - gpio->gpfup = 0x000000FF; - gpio->gpgcon = 0xFF95FFBA; - gpio->gpgup = 0x0000FFFF; - gpio->gphcon = 0x002AFAAA; - gpio->gphup = 0x000007FF; + writel(0x007FFFFF, &gpio->gpacon); + writel(0x00044555, &gpio->gpbcon); + writel(0x000007FF, &gpio->gpbup); + writel(0xAAAAAAAA, &gpio->gpccon); + writel(0x0000FFFF, &gpio->gpcup); + writel(0xAAAAAAAA, &gpio->gpdcon); + writel(0x0000FFFF, &gpio->gpdup); + writel(0xAAAAAAAA, &gpio->gpecon); + writel(0x0000FFFF, &gpio->gpeup); + writel(0x000055AA, &gpio->gpfcon); + writel(0x000000FF, &gpio->gpfup); + writel(0xFF95FFBA, &gpio->gpgcon); + writel(0x0000FFFF, &gpio->gpgup); + writel(0x002AFAAA, &gpio->gphcon); + writel(0x000007FF, &gpio->gphup); + + return 0; +} +int board_init(void) +{ /* arch number of SMDK2410-Board */ gd->bd->bi_arch_number = MACH_TYPE_SMDK2410; @@ -116,11 +124,10 @@ int board_init (void) return 0; } -int dram_init (void) +int dram_init(void) { - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = PHYS_SDRAM_1_SIZE; return 0; } @@ -134,3 +141,15 @@ int board_eth_init(bd_t *bis) return rc; } #endif + +/* + * Hardcoded flash setup: + * Flash 0 is a non-CFI AMD AM29LV800BB flash. + */ +ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) +{ + info->portwidth = FLASH_CFI_16BIT; + info->chipwidth = FLASH_CFI_BY16; + info->interface = FLASH_CFI_X16; + return 1; +} diff --git a/board/samsung/smdkc100/smdkc100.c b/board/samsung/smdkc100/smdkc100.c index d3189f6..1ad68b9 100644 --- a/board/samsung/smdkc100/smdkc100.c +++ b/board/samsung/smdkc100/smdkc100.c @@ -24,7 +24,7 @@ #include <common.h> #include <asm/io.h> -#include <asm/arch/smc.h> +#include <asm/arch/sromc.h> #include <asm/arch/gpio.h> #include <netdev.h> @@ -50,7 +50,7 @@ static void smc9115_pre_init(void) | SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0); /* Select and configure the SROMC bank */ - s5pc1xx_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); + s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); } int board_init(void) diff --git a/board/samsung/smdkv310/Makefile b/board/samsung/smdkv310/Makefile new file mode 100644 index 0000000..8e9b703 --- /dev/null +++ b/board/samsung/smdkv310/Makefile @@ -0,0 +1,46 @@ +# +# Copyright (C) 2011 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 := mem_setup.o +SOBJS += lowlevel_init.o +COBJS += smdkv310.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/samsung/smdkv310/lowlevel_init.S b/board/samsung/smdkv310/lowlevel_init.S new file mode 100644 index 0000000..04f6579 --- /dev/null +++ b/board/samsung/smdkv310/lowlevel_init.S @@ -0,0 +1,470 @@ +/* + * Lowlevel setup for SMDKV310 board based on S5PC210 + * + * Copyright (C) 2011 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> + +/* + * Register usages: + * + * r5 has zero always + * r7 has GPIO part1 base 0x11400000 + * r6 has GPIO part2 base 0x11000000 + */ + +#define MEM_DLLl_ON + +_TEXT_BASE: + .word CONFIG_SYS_TEXT_BASE + + .globl lowlevel_init +lowlevel_init: + push {lr} + + /* r5 has always zero */ + mov r5, #0 + ldr r7, =S5PC210_GPIO_PART1_BASE + ldr r6, =S5PC210_GPIO_PART2_BASE + + /* check reset status */ + ldr r0, =(S5PC210_POWER_BASE + 0x81C) @ INFORM7 + 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, =0x00ffffff /* 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_asm_init + +1: + /* for UART */ + bl uart_asm_init + bl tzpc_init + pop {pc} + +wakeup_reset: + bl system_clock_init + bl mem_ctrl_asm_init + bl tzpc_init + +exit_wakeup: + /* Load return address and jump to kernel */ + ldr r0, =(S5PC210_POWER_BASE + 0x800) @ INFORM0 + + /* r1 = physical address of s5pc210_cpu_resume function */ + ldr r1, [r0] + + /* Jump to kernel*/ + mov pc, r1 + nop + nop + +/* + * system_clock_init: Initialize core clock and bus clock. + * void system_clock_init(void) + */ +system_clock_init: + push {lr} + ldr r0, =S5PC210_CLOCK_BASE + + /* APLL(1), MPLL(1), CORE(0), HPM(0) */ + ldr r1, =0x0101 + ldr r2, =0x14200 @CLK_SRC_CPU + str r1, [r0, r2] + + /* wait ?us */ + mov r1, #0x10000 +2: subs r1, r1, #1 + bne 2b + + ldr r1, =0x00 + ldr r2, =0x0C210 @CLK_SRC_TOP0 + str r1, [r0, r2] + + ldr r1, =0x00 + ldr r2, =0x0C214 @CLK_SRC_TOP1_OFFSET + str r1, [r0, r2] + + /* DMC */ + ldr r1, =0x00 + ldr r2, =0x10200 @CLK_SRC_DMC_OFFSET + str r1, [r0, r2] + + /*CLK_SRC_LEFTBUS */ + ldr r1, =0x00 + ldr r2, =0x04200 @CLK_SRC_LEFTBUS_OFFSET + str r1, [r0, r2] + + /*CLK_SRC_RIGHTBUS */ + ldr r1, =0x00 + ldr r2, =0x08200 @CLK_SRC_RIGHTBUS_OFFSET + str r1, [r0, r2] + + /* SATA: SCLKMPLL(0), MMC[0:4]: SCLKMPLL(6) */ + ldr r1, =0x066666 + ldr r2, =0x0C240 @ CLK_SRC_FSYS + str r1, [r0, r2] + + /* UART[0:4], PWM: SCLKMPLL(6) */ + ldr r1, =0x06666666 + ldr r2, =0x0C250 @CLK_SRC_PERIL0_OFFSET + str r1, [r0, r2] + + /* wait ?us */ + mov r1, #0x10000 +3: subs r1, r1, #1 + bne 3b + + /* + * CLK_DIV_CPU0: + * + * PCLK_DBG_RATIO[20] 0x1 + * ATB_RATIO[16] 0x3 + * PERIPH_RATIO[12] 0x3 + * COREM1_RATIO[8] 0x7 + * COREM0_RATIO[4] 0x3 + */ + ldr r1, =0x0133730 + ldr r2, =0x14500 @CLK_DIV_CPU0_OFFSET + str r1, [r0, r2] + + /* CLK_DIV_CPU1: COPY_RATIO [0] 0x3 */ + ldr r1, =0x03 + ldr r2, =0x14504 @CLK_DIV_CPU1_OFFSET + str r1, [r0, r2] + + /* + * CLK_DIV_DMC0: + * + * CORE_TIMERS_RATIO[28] 0x1 + * COPY2_RATIO[24] 0x3 + * DMCP_RATIO[20] 0x1 + * DMCD_RATIO[16] 0x1 + * DMC_RATIO[12] 0x1 + * DPHY_RATIO[8] 0x1 + * ACP_PCLK_RATIO[4] 0x1 + * ACP_RATIO[0] 0x3 + */ + ldr r1, =0x13111113 + ldr r2, =0x010500 @CLK_DIV_DMC0_OFFSET + str r1, [r0, r2] + + /* + * CLK_DIV_DMC1: + * + * DPM_RATIO[24] 0x1 + * DVSEM_RATIO[16] 0x1 + * PWI_RATIO[8] 0x1 + */ + ldr r1, =0x01010100 + ldr r2, =0x010504 @CLK_DIV_DMC1_OFFSET + str r1, [r0, r2] + + /* + * CLK_DIV_LEFRBUS: + * + * GPL_RATIO[4] 0x1 + * GDL_RATIO[0] 0x3 + */ + ldr r1, =0x013 + ldr r2, =0x04500 @CLK_DIV_LEFTBUS_OFFSET + str r1, [r0, r2] + + /* + * CLK_DIV_RIGHTBUS: + * + * GPR_RATIO[4] 0x1 + * GDR_RATIO[0] 0x3 + */ + ldr r1, =0x013 + ldr r2, =0x08500 @CLK_DIV_RIGHTBUS_OFFSET + str r1, [r0, r2] + + /* + * CLK_DIV_TOP: + * + * ONENAND_RATIO[16] 0x0 + * ACLK_133_RATIO[12] 0x5 + * ACLK_160_RATIO[8] 0x4 + * ACLK_100_RATIO[4] 0x7 + * ACLK_200_RATIO[0] 0x3 + */ + ldr r1, =0x05473 + ldr r2, =0x0C510 @CLK_DIV_TOP_OFFSET + str r1, [r0, r2] + + /* MMC[0:1] */ + ldr r1, =0x000f000f /* 800(MPLL) / (15 + 1) */ + ldr r2, =0x0C544 @ CLK_DIV_FSYS1 + str r1, [r0, r2] + + /* MMC[2:3] */ + ldr r1, =0x000f000f /* 800(MPLL) / (15 + 1) */ + ldr r2, =0x0C548 @ CLK_DIV_FSYS2 + str r1, [r0, r2] + + /* MMC4 */ + ldr r1, =0x000f /* 800(MPLL) / (15 + 1) */ + ldr r2, =0x0C54C @ CLK_DIV_FSYS3 + str r1, [r0, r2] + + /* wait ?us */ + mov r1, #0x10000 +4: subs r1, r1, #1 + bne 4b + + /* + * CLK_DIV_PERIL0: + * + * UART5_RATIO[20] 8 + * UART4_RATIO[16] 8 + * UART3_RATIO[12] 8 + * UART2_RATIO[8] 8 + * UART1_RATIO[4] 8 + * UART0_RATIO[0] 8 + */ + ldr r1, =0x774777 + ldr r2, =0x0C550 @CLK_DIV_PERIL0_OFFSET + str r1, [r0, r2] + + /* SLIMBUS: ???, PWM */ + ldr r1, =0x8 + ldr r2, =0x0C55C @ CLK_DIV_PERIL3 + str r1, [r0, r2] + + /* Set PLL locktime */ + ldr r1, =0x01C20 + ldr r2, =0x014000 @APLL_LOCK_OFFSET + str r1, [r0, r2] + ldr r1, =0x01C20 + ldr r2, =0x014008 @MPLL_LOCK_OFFSET + str r1, [r0, r2] + ldr r1, =0x01C20 + ldr r2, =0x0C010 @EPLL_LOCK_OFFSET + str r1, [r0, r2] + ldr r1, =0x01C20 + ldr r2, =0x0C020 @VPLL_LOCK_OFFSET + str r1, [r0, r2] + + /* + * APLL_CON1: + * + * APLL_AFC_ENB[31] 0x1 + * APLL_AFC[0] 0xC + */ + ldr r1, =0x8000000C + ldr r2, =0x014104 @APLL_CON1_OFFSET + str r1, [r0, r2] + + /* + * APLL_CON0: + * + * APLL_MDIV[16] 0xFA + * APLL_PDIV[8] 0x6 + * APLL_SDIV[0] 0x1 + */ + ldr r1, =0x80FA0601 + ldr r2, =0x014100 @APLL_CON0_OFFSET + str r1, [r0, r2] + + /* + * MPLL_CON1: + * + * MPLL_AFC_ENB[31] 0x1 + * MPLL_AFC[0] 0x1C + */ + ldr r1, =0x0000001C + ldr r2, =0x01410C @MPLL_CON1_OFFSET + str r1, [r0, r2] + + /* + * MPLL_CON0: + * + * MPLL_MDIV[16] 0xC8 + * MPLL_PDIV[8] 0x6 + * MPLL_SDIV[0] 0x1 + */ + ldr r1, =0x80C80601 + ldr r2, =0x014108 @MPLL_CON0_OFFSET + str r1, [r0, r2] + + /* EPLL */ + ldr r1, =0x0 + ldr r2, =0x0C114 @EPLL_CON1_OFFSET + str r1, [r0, r2] + + /* + * EPLL_CON0: + * + * EPLL_MDIV[16] 0x30 + * EPLL_PDIV[8] 0x3 + * EPLL_SDIV[0] 0x2 + */ + ldr r1, =0x80300302 + ldr r2, =0x0C110 @EPLL_CON0_OFFSET + str r1, [r0, r2] + + /* + * VPLL_CON1: + * + * VPLL_MRR[24] 0x11 + * VPLL_MFR[16] 0x0 + * VPLL_K[0] 0x400 + */ + ldr r1, =0x11000400 + ldr r2, =0x0C124 @VPLL_CON1_OFFSET + str r1, [r0, r2] + + /* + * VPLL_CON0: + * + * VPLL_MDIV[16] 0x35 + * VPLL_PDIV[8] 0x3 + * VPLL_SDIV[0] 0x2 + */ + ldr r1, =0x80350302 + ldr r2, =0x0C120 @VPLL_CON0_OFFSET + str r1, [r0, r2] + + /* wait ?us */ + mov r1, #0x30000 +3: subs r1, r1, #1 + bne 3b + + pop {pc} +/* + * uart_asm_init: Initialize UART in asm mode, 115200bps fixed. + * void uart_asm_init(void) + */ + .globl uart_asm_init +uart_asm_init: + + /* setup UART0-UART3 GPIOs (part1) */ + mov r0, r7 + ldr r1, =0x22222222 + str r1, [r0, #0x00] @ S5PC210_GPIO_A0_OFFSET + ldr r1, =0x00222222 + str r1, [r0, #0x20] @ S5PC210_GPIO_A1_OFFSET + + ldr r0, =S5PC210_UART_BASE + add r0, r0, #S5PC210_DEFAULT_UART_OFFSET + + ldr r1, =0x3C5 + str r1, [r0, #0x4] + ldr r1, =0x111 + str r1, [r0, #0x8] + ldr r1, =0x3 + str r1, [r0, #0x0] + ldr r1, =0x35 + str r1, [r0, #0x28] + ldr r1, =0x4 + str r1, [r0, #0x2c] + + mov pc, lr + nop + nop + nop + +/* Setting TZPC[TrustZone Protection Controller] */ +tzpc_init: + ldr r0, =0x10110000 + mov r1, #0x0 + str r1, [r0] + mov r1, #0xff + str r1, [r0, #0x0804] + str r1, [r0, #0x0810] + str r1, [r0, #0x081C] + str r1, [r0, #0x0828] + + ldr r0, =0x10120000 + mov r1, #0x0 + str r1, [r0] + mov r1, #0xff + str r1, [r0, #0x0804] + str r1, [r0, #0x0810] + str r1, [r0, #0x081C] + str r1, [r0, #0x0828] + + ldr r0, =0x10130000 + mov r1, #0x0 + str r1, [r0] + mov r1, #0xff + str r1, [r0, #0x0804] + str r1, [r0, #0x0810] + str r1, [r0, #0x081C] + str r1, [r0, #0x0828] + + ldr r0, =0x10140000 + mov r1, #0x0 + str r1, [r0] + mov r1, #0xff + str r1, [r0, #0x0804] + str r1, [r0, #0x0810] + str r1, [r0, #0x081C] + str r1, [r0, #0x0828] + + ldr r0, =0x10150000 + mov r1, #0x0 + str r1, [r0] + mov r1, #0xff + str r1, [r0, #0x0804] + str r1, [r0, #0x0810] + str r1, [r0, #0x081C] + str r1, [r0, #0x0828] + + ldr r0, =0x10160000 + mov r1, #0x0 + str r1, [r0] + mov r1, #0xff + str r1, [r0, #0x0804] + str r1, [r0, #0x0810] + str r1, [r0, #0x081C] + str r1, [r0, #0x0828] + + mov pc, lr diff --git a/board/samsung/smdkv310/mem_setup.S b/board/samsung/smdkv310/mem_setup.S new file mode 100644 index 0000000..73aebe3 --- /dev/null +++ b/board/samsung/smdkv310/mem_setup.S @@ -0,0 +1,365 @@ +/* + * Memory setup for SMDKV310 board based on S5PC210 + * + * Copyright (C) 2011 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> + +#define SET_MIU + +#define MEM_DLL + +#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 + + .globl mem_ctrl_asm_init +mem_ctrl_asm_init: + + /* + * Async bridge configuration at CPU_core: + * 1: half_sync + * 0: full_sync + */ + ldr r0, =0x10010350 + mov r1, #1 + str r1, [r0] + +#ifdef SET_MIU + ldr r0, =S5PC210_MIU_BASE @0x10600000 +#ifdef CONFIG_MIU_1BIT_INTERLEAVED + ldr r1, =0x0000000c + str r1, [r0, #0x400] @MIU_INTLV_CONFIG + ldr r1, =0x40000000 + str r1, [r0, #0x808] @MIU_INTLV_START_ADDR + ldr r1, =0xbfffffff + str r1, [r0, #0x810] @MIU_INTLV_END_ADDR + ldr r1, =0x00000001 + str r1, [r0, #0x800] @MIU_MAPPING_UPDATE +#endif +#ifdef CONFIG_MIU_2BIT_INTERLEAVED + ldr r1, =0x2000150c + str r1, [r0, #0x400] @MIU_INTLV_CONFIG + ldr r1, =0x40000000 + str r1, [r0, #0x808] @MIU_INTLV_START_ADDR + ldr r1, =0xbfffffff + str r1, [r0, #0x810] @MIU_INTLV_END_ADDR + ldr r1, =0x00000001 + str r1, [r0, #0x800] @MIU_MAPPING_UPDATE +#endif +#ifdef CONFIG_MIU_LINEAR + ldr r1, =0x40000000 + str r1, [r0, #0x818] @MIU_SINGLE_MAPPING0_START_ADDR + ldr r1, =0x7fffffff + str r1, [r0, #0x820] @MIU_SINGLE_MAPPING0_END_ADDR + ldr r1, =0x80000000 + str r1, [r0, #0x828] @MIU_SINGLE_MAPPING1_START_ADDR + ldr r1, =0xbfffffff + str r1, [r0, #0x830] @MIU_SINGLE_MAPPING1_END_ADDR] + ldr r1, =0x00000006 + str r1, [r0, #0x800] @MIU_MAPPING_UPDATE +#endif +#endif + /* DREX0 */ + ldr r0, =S5PC210_DMC0_BASE @0x10400000 + + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + + ldr r1, =0xE3855703 + str r1, [r0, #0x44] @DMC_PHYZQCONTROL + + mov r2, #0x100000 +1: subs r2, r2, #1 + bne 1b + + ldr r1, =0xe000008e + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + + ldr r1, =0x71101008 + str r1, [r0, #0x18] @DMC_PHYCONTROL0 + ldr r1, =0x7110100A + str r1, [r0, #0x18] @DMC_PHYCONTROL0 + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + ldr r1, =0x7110100B + str r1, [r0, #0x18] @DMC_PHYCONTROL0 + + ldr r1, =0x00000000 + str r1, [r0, #0x20] @DMC_PHYCONTROL2 + + ldr r1, =0x0FFF301a + str r1, [r0, #0x00] @DMC_CONCONTROL + ldr r1, =0x00312640 + str r1, [r0, #0x04] @DMC_MEMCONTROL] + +#ifdef CONFIG_MIU_LINEAR + ldr r1, =0x40e01323 + str r1, [r0, #0x08] @DMC_MEMCONFIG0 + ldr r1, =0x60e01323 + str r1, [r0, #0x0C] @DMC_MEMCONFIG1 +#else /* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */ + ldr r1, =0x20e01323 + str r1, [r0, #0x08] @DMC_MEMCONFIG0 + ldr r1, =0x40e01323 + str r1, [r0, #0x0C] @DMC_MEMCONFIG1 +#endif + + ldr r1, =0xff000000 + str r1, [r0, #0x14] @DMC_PRECHCONFIG + + ldr r1, =0x000000BC + str r1, [r0, #0x30] @DMC_TIMINGAREF + +#ifdef DRAM_CLK_330 + ldr r1, =0x3545548d + str r1, [r0, #0x34] @DMC_TIMINGROW + ldr r1, =0x45430506 + str r1, [r0, #0x38] @DMC_TIMINGDATA + ldr r1, =0x4439033c + str r1, [r0, #0x3C] @DMC_TIMINGPOWER +#endif +#ifdef DRAM_CLK_400 + ldr r1, =0x4046654f + str r1, [r0, #0x34] @DMC_TIMINGROW + ldr r1, =0x56500506 + str r1, [r0, #0x38] @DMC_TIMINGDATA + ldr r1, =0x5444033d + str r1, [r0, #0x3C] @DMC_TIMINGPOWER +#endif + ldr r1, =0x07000000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +2: subs r2, r2, #1 + bne 2b + + ldr r1, =0x00020000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00030000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00010002 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00000328 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +3: subs r2, r2, #1 + bne 3b + + ldr r1, =0x0a000000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +4: subs r2, r2, #1 + bne 4b + + ldr r1, =0x07100000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +5: subs r2, r2, #1 + bne 5b + + ldr r1, =0x00120000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00130000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00110002 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00100328 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +6: subs r2, r2, #1 + bne 6b + + ldr r1, =0x0a100000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +7: subs r2, r2, #1 + bne 7b + + ldr r1, =0xe000008e + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + + mov r2, #0x100000 +8: subs r2, r2, #1 + bne 8b + + /* DREX1 */ + ldr r0, =S5PC210_DMC1_BASE @0x10410000 + + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + + ldr r1, =0xE3855703 + str r1, [r0, #0x44] @DMC_PHYZQCONTROL + + mov r2, #0x100000 +1: subs r2, r2, #1 + bne 1b + + ldr r1, =0xe000008e + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + + ldr r1, =0x71101008 + str r1, [r0, #0x18] @DMC_PHYCONTROL0 + ldr r1, =0x7110100A + str r1, [r0, #0x18] @DMC_PHYCONTROL0 + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + ldr r1, =0x7110100B + str r1, [r0, #0x18] @DMC_PHYCONTROL0 + + ldr r1, =0x00000000 + str r1, [r0, #0x20] @DMC_PHYCONTROL2 + + ldr r1, =0x0FFF301a + str r1, [r0, #0x00] @DMC_CONCONTROL + ldr r1, =0x00312640 + str r1, [r0, #0x04] @DMC_MEMCONTROL] + +#ifdef CONFIG_MIU_LINEAR + ldr r1, =0x40e01323 + str r1, [r0, #0x08] @DMC_MEMCONFIG0 + ldr r1, =0x60e01323 + str r1, [r0, #0x0C] @DMC_MEMCONFIG1 +#else /* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */ + ldr r1, =0x20e01323 + str r1, [r0, #0x08] @DMC_MEMCONFIG0 + ldr r1, =0x40e01323 + str r1, [r0, #0x0C] @DMC_MEMCONFIG1 +#endif + + ldr r1, =0xff000000 + str r1, [r0, #0x14] @DMC_PRECHCONFIG + + ldr r1, =0x000000BC + str r1, [r0, #0x30] @DMC_TIMINGAREF + +#ifdef DRAM_CLK_330 + ldr r1, =0x3545548d + str r1, [r0, #0x34] @DMC_TIMINGROW + ldr r1, =0x45430506 + str r1, [r0, #0x38] @DMC_TIMINGDATA + ldr r1, =0x4439033c + str r1, [r0, #0x3C] @DMC_TIMINGPOWER +#endif +#ifdef DRAM_CLK_400 + ldr r1, =0x4046654f + str r1, [r0, #0x34] @DMC_TIMINGROW + ldr r1, =0x56500506 + str r1, [r0, #0x38] @DMC_TIMINGDATA + ldr r1, =0x5444033d + str r1, [r0, #0x3C] @DMC_TIMINGPOWER +#endif + + ldr r1, =0x07000000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +2: subs r2, r2, #1 + bne 2b + + ldr r1, =0x00020000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00030000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00010002 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00000328 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +3: subs r2, r2, #1 + bne 3b + + ldr r1, =0x0a000000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +4: subs r2, r2, #1 + bne 4b + + ldr r1, =0x07100000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +5: subs r2, r2, #1 + bne 5b + + ldr r1, =0x00120000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00130000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00110002 + str r1, [r0, #0x10] @DMC_DIRECTCMD + ldr r1, =0x00100328 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +6: subs r2, r2, #1 + bne 6b + + ldr r1, =0x0a100000 + str r1, [r0, #0x10] @DMC_DIRECTCMD + + mov r2, #0x100000 +7: subs r2, r2, #1 + bne 7b + + ldr r1, =0xe000008e + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + ldr r1, =0xe0000086 + str r1, [r0, #0x1C] @DMC_PHYCONTROL1 + + mov r2, #0x100000 +8: subs r2, r2, #1 + bne 8b + + /* turn on DREX0, DREX1 */ + ldr r0, =0x10400000 @APB_DMC_0_BASE + ldr r1, =0x0FFF303a + str r1, [r0, #0x00] @DMC_CONCONTROL + + ldr r0, =0x10410000 @APB_DMC_1_BASE + ldr r1, =0x0FFF303a + str r1, [r0, #0x00] @DMC_CONCONTROL + + mov pc, lr diff --git a/board/samsung/smdkv310/smdkv310.c b/board/samsung/smdkv310/smdkv310.c new file mode 100644 index 0000000..acf9ee7 --- /dev/null +++ b/board/samsung/smdkv310/smdkv310.c @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2011 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 s5pc210_gpio_part1 *gpio1; +struct s5pc210_gpio_part2 *gpio2; + +static void smc9115_pre_init(void) +{ + u32 smc_bw_conf, smc_bc_conf; + + /* gpio configuration GPK0CON */ + gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); + + /* Ethernet needs bus width of 16 bits */ + smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK); + smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F) + | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F) + | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F) + | SROMC_BC_PMC(0x0F); + + /* Select and configure the SROMC bank */ + s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); +} + +int board_init(void) +{ + gpio1 = (struct s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE; + gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE; + + smc9115_pre_init(); + + gd->bd->bi_arch_number = MACH_TYPE_SMDKV310; + 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); + + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; + gd->bd->bi_dram[2].start = PHYS_SDRAM_3; + gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; + gd->bd->bi_dram[3].start = PHYS_SDRAM_4; + gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + printf("\nBoard: SMDKV310\n"); + return 0; +} +#endif + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + int i, err; + + /* + * MMC2 SD card GPIO: + * + * GPK2[0] SD_2_CLK(2) + * GPK2[1] SD_2_CMD(2) + * GPK2[2] SD_2_CDn + * GPK2[3:6] SD_2_DATA[0:3](2) + */ + for (i = 0; i < 7; i++) { + /* GPK2[0:6] special function 2 */ + gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2)); + + /* GPK2[0:6] drv 4x */ + gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X); + + /* GPK2[0:1] pull disable */ + if (i == 0 || i == 1) { + gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); + continue; + } + + /* GPK2[2:6] pull up */ + gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP); + } + err = s5p_mmc_init(2, 4); + return err; +} +#endif |