diff options
Diffstat (limited to 'onenand_ipl/board/apollon/low_levelinit.S')
| -rw-r--r-- | onenand_ipl/board/apollon/low_levelinit.S | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/onenand_ipl/board/apollon/low_levelinit.S b/onenand_ipl/board/apollon/low_levelinit.S deleted file mode 100644 index cab422717d..0000000000 --- a/onenand_ipl/board/apollon/low_levelinit.S +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2005-2008 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * Derived from board/omap2420h4/platform.S - * - * 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/omap2420.h> -#include <asm/arch/mem.h> -#include <asm/arch/clocks.h> - -#define APOLLON_CS0_BASE 0x00000000 - -#ifdef PRCM_CONFIG_I -#define SDRC_ACTIM_CTRLA_0_VAL 0x7BA35907 -#define SDRC_ACTIM_CTRLB_0_VAL 0x00000013 -#define SDRC_RFR_CTRL_0_VAL 0x00044C01 - -/* GPMC */ -#define APOLLON_GPMC_CONFIG1_0 0xe30d1201 -#define APOLLON_GPMC_CONFIG2_0 0x000c1000 -#define APOLLON_GPMC_CONFIG3_0 0x00030400 -#define APOLLON_GPMC_CONFIG4_0 0x0B841006 -#define APOLLON_GPMC_CONFIG5_0 0x020F0C11 -#define APOLLON_GPMC_CONFIG6_0 0x00000000 -#define APOLLON_GPMC_CONFIG7_0 (0x00000e40 | (APOLLON_CS0_BASE >> 24)) - -#elif defined(PRCM_CONFIG_II) -#define SDRC_ACTIM_CTRLA_0_VAL 0x4A59B485 -#define SDRC_ACTIM_CTRLB_0_VAL 0x0000000C -#define SDRC_RFR_CTRL_0_VAL 0x00030001 - -/* GPMC */ -#define APOLLON_GPMC_CONFIG1_0 0xe30d1201 -#define APOLLON_GPMC_CONFIG2_0 0x00080E81 -#define APOLLON_GPMC_CONFIG3_0 0x00030400 -#define APOLLON_GPMC_CONFIG4_0 0x08041586 -#define APOLLON_GPMC_CONFIG5_0 0x020C090E -#define APOLLON_GPMC_CONFIG6_0 0x00000000 -#define APOLLON_GPMC_CONFIG7_0 (0x00000e40 | (APOLLON_CS0_BASE >> 24)) - -#else -#error "Please configure PRCM schecm" -#endif - -_TEXT_BASE: - .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */ - -.globl lowlevel_init -lowlevel_init: - mov r3, r0 /* save skip information */ - - /* Disable watchdog */ - ldr r0, =WD2_BASE - ldr r1, =WD_UNLOCK1 - str r1, [r0, #WSPR] - - ldr r1, =WD_UNLOCK2 - str r1, [r0, #WSPR] - -#ifdef DEBUG_LED - /* LED0 OFF */ - ldr r0, =0x480000E5 /* ball AA10, mode 3 */ - mov r1, #0x0b - strb r1, [r0] -#endif - - /* Pin muxing for SDRC */ - mov r1, #0x00 - ldr r0, =0x480000A1 /* ball C12, mode 0 */ - strb r1, [r0] - - ldr r0, =0x48000032 /* ball D11, mode 0 */ - strb r1, [r0] - - ldr r0, =0x480000A3 /* ball B13, mode 0 */ - strb r1, [r0] - - /* SDRC setting */ - ldr r0, =OMAP2420_SDRC_BASE - ldr r1, =0x00000010 - str r1, [r0, #0x10] - - ldr r1, =0x00000100 - str r1, [r0, #0x44] - - /* SDRC CS0 configuration */ -#ifdef CONFIG_APOLLON_PLUS - ldr r1, =0x01702011 -#else - ldr r1, =0x00d04011 -#endif - str r1, [r0, #0x80] - - ldr r1, =SDRC_ACTIM_CTRLA_0_VAL - str r1, [r0, #0x9C] - - ldr r1, =SDRC_ACTIM_CTRLB_0_VAL - str r1, [r0, #0xA0] - - ldr r1, =SDRC_RFR_CTRL_0_VAL - str r1, [r0, #0xA4] - - ldr r1, =0x00000041 - str r1, [r0, #0x70] - - /* Manual command sequence */ - ldr r1, =0x00000007 - str r1, [r0, #0xA8] - - ldr r1, =0x00000000 - str r1, [r0, #0xA8] - - ldr r1, =0x00000001 - str r1, [r0, #0xA8] - - ldr r1, =0x00000002 - str r1, [r0, #0xA8] - str r1, [r0, #0xA8] - - /* - * CS0 SDRC Mode register - * Burst length = 4 - DDR memory - * Serial mode - * CAS latency = 3 - */ - ldr r1, =0x00000032 - str r1, [r0, #0x84] - - /* Note: You MUST set EMR values */ - /* EMR1 & EMR2 */ - ldr r1, =0x00000000 - str r1, [r0, #0x88] - str r1, [r0, #0x8C] - -#ifdef OLD_SDRC_DLLA_CTRL - /* SDRC_DLLA_CTRL */ - ldr r1, =0x00007306 - str r1, [r0, #0x60] - - ldr r1, =0x00007303 - str r1, [r0, #0x60] -#else - /* SDRC_DLLA_CTRL */ - ldr r1, =0x00000506 - str r1, [r0, #0x60] - - ldr r1, =0x00000503 - str r1, [r0, #0x60] -#endif - -#ifdef __BROKEN_FEATURE__ - /* SDRC_DLLB_CTRL */ - ldr r1, =0x00000506 - str r1, [r0, #0x68] - - ldr r1, =0x00000503 - str r1, [r0, #0x68] -#endif - - /* little delay after init */ - mov r2, #0x1800 -1: - subs r2, r2, #0x1 - bne 1b - - ldr sp, SRAM_STACK - str ip, [sp] /* stash old link register */ - mov ip, lr /* save link reg across call */ - mov r0, r3 /* pass skip info to s_init */ - - bl s_init /* go setup pll,mux,memory */ - - ldr ip, [sp] /* restore save ip */ - mov lr, ip /* restore link reg */ - - /* back to arch calling code */ - mov pc, lr - - /* the literal pools origin */ - .ltorg - -SRAM_STACK: - .word LOW_LEVEL_SRAM_STACK |
