diff options
Diffstat (limited to 'board/sx1/lowlevel_init.S')
| -rw-r--r-- | board/sx1/lowlevel_init.S | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/board/sx1/lowlevel_init.S b/board/sx1/lowlevel_init.S deleted file mode 100644 index c1a811aa8e..0000000000 --- a/board/sx1/lowlevel_init.S +++ /dev/null @@ -1,397 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * - * -- Some bits of code used from rrload's head_OMAP1510.s -- - * Copyright (C) 2002 RidgeRun, Inc. - * - * 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> - -#if defined(CONFIG_OMAP1510) -#include <./configs/omap1510.h> -#endif - -#define OMAP1510_CLKS ((1<<EN_XORPCK)|(1<<EN_PERCK)|(1<<EN_TIMCK)|(1<<EN_GPIOCK)) - - -_TEXT_BASE: - .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */ - -.globl lowlevel_init -lowlevel_init: - - /* - * Configure 1510 pins functions to match our board. - */ - ldr r0, REG_PULL_DWN_CTRL_0 - ldr r1, VAL_PULL_DWN_CTRL_0 - str r1, [r0] - ldr r0, REG_PULL_DWN_CTRL_1 - ldr r1, VAL_PULL_DWN_CTRL_1 - str r1, [r0] - ldr r0, REG_PULL_DWN_CTRL_2 - ldr r1, VAL_PULL_DWN_CTRL_2 - str r1, [r0] - ldr r0, REG_PULL_DWN_CTRL_3 - ldr r1, VAL_PULL_DWN_CTRL_3 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_4 - ldr r1, VAL_FUNC_MUX_CTRL_4 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_5 - ldr r1, VAL_FUNC_MUX_CTRL_5 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_6 - ldr r1, VAL_FUNC_MUX_CTRL_6 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_7 - ldr r1, VAL_FUNC_MUX_CTRL_7 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_8 - ldr r1, VAL_FUNC_MUX_CTRL_8 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_9 - ldr r1, VAL_FUNC_MUX_CTRL_9 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_A - ldr r1, VAL_FUNC_MUX_CTRL_A - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_B - ldr r1, VAL_FUNC_MUX_CTRL_B - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_C - ldr r1, VAL_FUNC_MUX_CTRL_C - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_D - ldr r1, VAL_FUNC_MUX_CTRL_D - str r1, [r0] - ldr r0, REG_VOLTAGE_CTRL_0 - ldr r1, VAL_VOLTAGE_CTRL_0 - str r1, [r0] - ldr r0, REG_TEST_DBG_CTRL_0 - ldr r1, VAL_TEST_DBG_CTRL_0 - str r1, [r0] - ldr r0, REG_MOD_CONF_CTRL_0 - ldr r1, VAL_MOD_CONF_CTRL_0 - str r1, [r0] - - /* Move to 1510 mode */ - ldr r0, REG_COMP_MODE_CTRL_0 - ldr r1, VAL_COMP_MODE_CTRL_0 - str r1, [r0] - - /* Set up Traffic Ctlr*/ - ldr r0, REG_TC_IMIF_PRIO - mov r1, #0x0 - str r1, [r0] - ldr r0, REG_TC_EMIFS_PRIO - str r1, [r0] - ldr r0, REG_TC_EMIFF_PRIO - str r1, [r0] - - ldr r0, REG_TC_EMIFS_CONFIG - ldr r1, [r0] - bic r1, r1, #0x08 /* clear the global power-down enable PDE bit */ - bic r1, r1, #0x01 /* write protect flash by clearing the WP bit */ - str r1, [r0] /* EMIFS GlB Configuration. (value 0x12 most likely) */ - - ldr r0, _GPIO_PIN_CONTROL_REG - mov r1,#0 - orr r1, r1, #0x0001 /* M_PCM_SYNC */ - orr r1, r1, #0x4000 /* IPC_ACTIVE */ - strh r1,[r0] - - ldr r0, _GPIO_DIR_CONTROL_REG - mov r1,#0 - bic r1, r1, #0x0001 /* M_PCM_SYNC */ - bic r1, r1, #0x4000 /* IPC_ACTIVE */ - strh r1,[r0] - - ldr r0, _GPIO_DATA_OUTPUT_REG - mov r1,#0 - bic r1, r1, #0x0001 /* M_PCM_SYNC */ - orr r1, r1, #0x4000 /* IPC_ACTIVE */ - strh r1,[r0] - - /* Setup some clock domains */ - ldr r1, =OMAP1510_CLKS - ldr r0, REG_ARM_IDLECT2 - strh r1, [r0] /* CLKM, Clock domain control. */ - - mov r1, #0x01 /* PER_EN bit */ - ldr r0, REG_ARM_RSTCT2 - strh r1, [r0] /* CLKM; Peripheral reset. */ - - /* Set CLKM to Sync-Scalable */ - /* I supposidly need to enable the dsp clock before switching */ - mov r1, #0x1000 - ldr r0, REG_ARM_SYSST - strh r1, [r0] - mov r0, #0x400 -1: - subs r0, r0, #0x1 /* wait for any bubbles to finish */ - bne 1b - - ldr r1, VAL_ARM_CKCTL /* use 12Mhz ref, PER must be <= 50Mhz so /2 */ - ldr r0, REG_ARM_CKCTL - strh r1, [r0] - - /* setup DPLL 1 */ - ldr r1, VAL_DPLL1_CTL - ldr r0, REG_DPLL1_CTL - strh r1, [r0] - ands r1, r1, #0x10 /* Check if PLL is enabled. */ - beq lock_end /* Do not look for lock if BYPASS selected */ -2: - ldrh r1, [r0] - ands r1, r1, #0x01 /* Check the LOCK bit. */ - beq 2b /* ...loop until bit goes hi. */ -lock_end: - - /* Set memory timings corresponding to the new clock speed */ - - /* Check execution location to determine current execution location - * and branch to appropriate initialization code. - */ - mov r0, #0x10000000 /* Load physical SDRAM base. */ - mov r1, pc /* Get current execution location. */ - cmp r1, r0 /* Compare. */ - bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */ - - /* - * Delay for SDRAM initialization. - */ - mov r3, #0x1800 /* value should be checked */ -3: - subs r3, r3, #0x1 /* Decrement count */ - bne 3b - - /* - * Set SDRAM control values. Disable refresh before MRS command. - */ - ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG /* get good value */ - bic r3, r0, #0xC /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */ - orr r3, r3, #0x8000000 /* (BIT27) Disable CLK when Power down or Self-Refresh */ - orr r3, r3, #0x4000000 /* BIT26 Power Down Enable */ - ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */ - str r3, [r2] /* Store the passed value with AR disabled. */ - - ldr r1, VAL_TC_EMIFF_MRS /* get MRS value */ - ldr r2, REG_TC_EMIFF_MRS /* Point to MRS register. */ - str r1, [r2] /* Store the passed value.*/ - - ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */ - str r0, [r2] /* Store the passed value. */ - - /* - * Delay for SDRAM initialization. - */ - mov r3, #0x1800 -4: - subs r3, r3, #1 /* Decrement count. */ - bne 4b - -skip_sdram: - - /* slow interface */ - ldr r1, VAL_TC_EMIFS_CS0_CONFIG - ldr r0, REG_TC_EMIFS_CS0_CONFIG - str r1, [r0] /* Chip Select 0 */ - ldr r1, VAL_TC_EMIFS_CS1_CONFIG - ldr r0, REG_TC_EMIFS_CS1_CONFIG - str r1, [r0] /* Chip Select 1 */ - ldr r1, VAL_TC_EMIFS_CS2_CONFIG - ldr r0, REG_TC_EMIFS_CS2_CONFIG - str r1, [r0] /* Chip Select 2 */ - ldr r1, VAL_TC_EMIFS_CS3_CONFIG - ldr r0, REG_TC_EMIFS_CS3_CONFIG - str r1, [r0] /* Chip Select 3 */ - - /* back to arch calling code */ - mov pc, lr - -/* the literal pools origin */ - .ltorg - -/* OMAP configuration registers */ -REG_FUNC_MUX_CTRL_0: /* 32 bits */ - .word 0xfffe1000 -REG_FUNC_MUX_CTRL_1: /* 32 bits */ - .word 0xfffe1004 -REG_FUNC_MUX_CTRL_2: /* 32 bits */ - .word 0xfffe1008 -REG_COMP_MODE_CTRL_0: /* 32 bits */ - .word 0xfffe100c -REG_FUNC_MUX_CTRL_3: /* 32 bits */ - .word 0xfffe1010 -REG_FUNC_MUX_CTRL_4: /* 32 bits */ - .word 0xfffe1014 -REG_FUNC_MUX_CTRL_5: /* 32 bits */ - .word 0xfffe1018 -REG_FUNC_MUX_CTRL_6: /* 32 bits */ - .word 0xfffe101c -REG_FUNC_MUX_CTRL_7: /* 32 bits */ - .word 0xfffe1020 -REG_FUNC_MUX_CTRL_8: /* 32 bits */ - .word 0xfffe1024 -REG_FUNC_MUX_CTRL_9: /* 32 bits */ - .word 0xfffe1028 -REG_FUNC_MUX_CTRL_A: /* 32 bits */ - .word 0xfffe102C -REG_FUNC_MUX_CTRL_B: /* 32 bits */ - .word 0xfffe1030 -REG_FUNC_MUX_CTRL_C: /* 32 bits */ - .word 0xfffe1034 -REG_FUNC_MUX_CTRL_D: /* 32 bits */ - .word 0xfffe1038 -REG_PULL_DWN_CTRL_0: /* 32 bits */ - .word 0xfffe1040 -REG_PULL_DWN_CTRL_1: /* 32 bits */ - .word 0xfffe1044 -REG_PULL_DWN_CTRL_2: /* 32 bits */ - .word 0xfffe1048 -REG_PULL_DWN_CTRL_3: /* 32 bits */ - .word 0xfffe104c -REG_VOLTAGE_CTRL_0: /* 32 bits */ - .word 0xfffe1060 -REG_TEST_DBG_CTRL_0: /* 32 bits */ - .word 0xfffe1070 -REG_MOD_CONF_CTRL_0: /* 32 bits */ - .word 0xfffe1080 -REG_TC_IMIF_PRIO: /* 32 bits */ - .word 0xfffecc00 -REG_TC_EMIFS_PRIO: /* 32 bits */ - .word 0xfffecc04 -REG_TC_EMIFF_PRIO: /* 32 bits */ - .word 0xfffecc08 -REG_TC_EMIFS_CONFIG: /* 32 bits */ - .word 0xfffecc0c -REG_TC_EMIFS_CS0_CONFIG: /* 32 bits */ - .word 0xfffecc10 -REG_TC_EMIFS_CS1_CONFIG: /* 32 bits */ - .word 0xfffecc14 -REG_TC_EMIFS_CS2_CONFIG: /* 32 bits */ - .word 0xfffecc18 -REG_TC_EMIFS_CS3_CONFIG: /* 32 bits */ - .word 0xfffecc1c -REG_TC_EMIFF_SDRAM_CONFIG: /* 32 bits */ - .word 0xfffecc20 -REG_TC_EMIFF_MRS: /* 32 bits */ - .word 0xfffecc24 -/* MPU clock/reset/power mode control registers */ -REG_ARM_CKCTL: /* 16 bits */ - .word 0xfffece00 -REG_ARM_IDLECT2: /* 16 bits */ - .word 0xfffece08 -REG_ARM_RSTCT2: /* 16 bits */ - .word 0xfffece14 -REG_ARM_SYSST: /* 16 bits */ - .word 0xfffece18 -/* DPLL control registers */ -REG_DPLL1_CTL: /* 16 bits */ - .word 0xfffecf00 -/* identification code register */ -REG_IDCODE: /* 32 bits */ - .word 0xfffed404 - -/* SX1 specific */ -_GPIO_PIN_CONTROL_REG: - .word GPIO_PIN_CONTROL_REG -_GPIO_DIR_CONTROL_REG: - .word GPIO_DIR_CONTROL_REG -_GPIO_DATA_OUTPUT_REG: - .word GPIO_DATA_OUTPUT_REG - -VAL_COMP_MODE_CTRL_0: - .word 0x0000eaef -VAL_FUNC_MUX_CTRL_4: - .word 0x00000000 -VAL_FUNC_MUX_CTRL_5: - .word 0x00000000 -VAL_FUNC_MUX_CTRL_6: - .word 0x00000001 -VAL_FUNC_MUX_CTRL_7: - .word 0x00001000 -VAL_FUNC_MUX_CTRL_8: - .word 0x00001240 /*[Knoller] Value of Symbian Image Wing B2*/ -VAL_FUNC_MUX_CTRL_9: - .word 0x00201008 -VAL_FUNC_MUX_CTRL_A: - .word 0x00001000 -VAL_FUNC_MUX_CTRL_B: - .word 0x00000000 -VAL_FUNC_MUX_CTRL_C: - .word 0x09008001 /*[Knoller] Value of Symbian Image Wing B2*/ -VAL_FUNC_MUX_CTRL_D: - .word 0x00000000 -VAL_PULL_DWN_CTRL_0: - .word 0xfffeffff -VAL_PULL_DWN_CTRL_1: - .word 0xd1ffffec -VAL_PULL_DWN_CTRL_2: - .word 0xffa80c5b -VAL_PULL_DWN_CTRL_3: - .word 0xffffc0fe -VAL_VOLTAGE_CTRL_0: - .word 0x00000007 -VAL_TEST_DBG_CTRL_0: - /* The OMAP5910 TRM says this register must be 0, but HelenConfRegs - * says to write a 7. Don't know what the right thing is to do, so - * I'm leaving it at 7 since that's what was already here. - */ - .word 0x00000007 -VAL_MOD_CONF_CTRL_0: - .word 0x0da20000 /*[Knoller] Value of Symbian Image Wing B2*/ - -VAL_ARM_CKCTL: - .word 0x010D - -VAL_DPLL1_CTL: - .word 0x3A33 /*[Hertle] Value of Symbian Image*/ - -VAL_TC_EMIFS_CS1_CONFIG_PRELIM: - .word 0x00001149 - -VAL_TC_EMIFS_CS2_CONFIG_PRELIM: - .word 0x00004158 - -VAL_TC_EMIFS_CS0_CONFIG: - .word 0x00213090 /*[Knoller] Value of Symbian Image Wing B2*/ - -VAL_TC_EMIFS_CS1_CONFIG: - .word 0x00215070 /*[Knoller] Value of Symbian Image Wing B2*/ - -VAL_TC_EMIFS_CS2_CONFIG: - .word 0x00001139 /*[Knoller] Value of Symbian Image Wing B2*/ - -VAL_TC_EMIFS_CS3_CONFIG: - .word 0x00001139 /*[Knoller] Value of Symbian Image Wing B2*/ - -VAL_TC_EMIFF_SDRAM_CONFIG: - .word 0x0105f0b4 /*[Knoller] Value of Symbian Image Wing B2*/ - - -VAL_TC_EMIFF_MRS: - .word 0x00000027 /*[Knoller] Value of Symbian Image Wing B2*/ |