projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 6b96a20d | 1 | /* |
| d34efc76 SS |
2 | * Board specific setup info |
| 3 | * | |
| 4 | * (C) Copyright 2010 | |
| 5 | * Texas Instruments, <www.ti.com> | |
| 6 | * | |
| 7 | * Author : | |
| 8 | * Aneesh V <aneesh@ti.com> | |
| 6b96a20d MK |
9 | * |
| 10 | * See file CREDITS for list of people who contributed to this | |
| 11 | * project. | |
| 12 | * | |
| 13 | * This program is free software; you can redistribute it and/or | |
| 14 | * modify it under the terms of the GNU General Public License as | |
| 15 | * published by the Free Software Foundation; either version 2 of | |
| 16 | * the License, or (at your option) any later version. | |
| 17 | * | |
| 18 | * This program is distributed in the hope that it will be useful, | |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 21 | * GNU General Public License for more details. | |
| 22 | * | |
| 23 | * You should have received a copy of the GNU General Public License | |
| 24 | * along with this program; if not, write to the Free Software | |
| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 26 | * MA 02111-1307 USA | |
| 27 | */ | |
| 28 | ||
| 98f92001 | 29 | #include <config.h> |
| 508a58fa | 30 | #include <asm/arch/omap.h> |
| 90207b62 | 31 | #include <asm/arch/spl.h> |
| 74236aca | 32 | #include <linux/linkage.h> |
| 78f455c0 | 33 | |
| 74236aca | 34 | ENTRY(save_boot_params) |
| 8cf686e1 A |
35 | /* |
| 36 | * See if the rom code passed pointer is valid: | |
| 37 | * It is not valid if it is not in non-secure SRAM | |
| 38 | * This may happen if you are booting with the help of | |
| 39 | * debugger | |
| 40 | */ | |
| 41 | ldr r2, =NON_SECURE_SRAM_START | |
| 42 | cmp r2, r0 | |
| 43 | bgt 1f | |
| 44 | ldr r2, =NON_SECURE_SRAM_END | |
| 45 | cmp r2, r0 | |
| 46 | blt 1f | |
| 47 | ||
| 78f455c0 S |
48 | /* |
| 49 | * store the boot params passed from rom code or saved | |
| 50 | * and passed by SPL | |
| 51 | */ | |
| 52 | cmp r0, #0 | |
| 53 | beq 1f | |
| 54 | ldr r1, =boot_params | |
| 55 | str r0, [r1] | |
| 56 | #ifdef CONFIG_SPL_BUILD | |
| 8e1b836e | 57 | /* Store the boot device in spl_boot_device */ |
| 78f455c0 | 58 | ldrb r2, [r0, #BOOT_DEVICE_OFFSET] @ r1 <- value of boot device |
| 8cf686e1 | 59 | and r2, #BOOT_DEVICE_MASK |
| 78f455c0 | 60 | ldr r3, =boot_params |
| 8e1b836e | 61 | strb r2, [r3, #BOOT_DEVICE_OFFSET] @ spl_boot_device <- r1 |
| 8cf686e1 | 62 | |
| c3d2c24f TR |
63 | /* |
| 64 | * boot mode is only valid for device that can be raw or FAT booted. | |
| 65 | * in other cases it may be fatal to look. While platforms differ | |
| 66 | * in the values used for each MMC slot, they are contiguous. | |
| 67 | */ | |
| 68 | cmp r2, #MMC_BOOT_DEVICES_START | |
| 78f455c0 | 69 | blt 2f |
| c3d2c24f | 70 | cmp r2, #MMC_BOOT_DEVICES_END |
| 78f455c0 | 71 | bgt 2f |
| 6abbe744 | 72 | /* Store the boot mode (raw/FAT) in omap_bootmode */ |
| 8cf686e1 A |
73 | ldr r2, [r0, #DEV_DESC_PTR_OFFSET] @ get the device descriptor ptr |
| 74 | ldr r2, [r2, #DEV_DATA_PTR_OFFSET] @ get the pDeviceData ptr | |
| 75 | ldr r2, [r2, #BOOT_MODE_OFFSET] @ get the boot mode | |
| 508a58fa | 76 | ldr r3, =omap_bootmode |
| 8cf686e1 | 77 | str r2, [r3] |
| 78f455c0 S |
78 | #endif |
| 79 | 2: | |
| 80 | ldrb r2, [r0, #CH_FLAGS_OFFSET] | |
| 81 | ldr r3, =boot_params | |
| 82 | strb r2, [r3, #CH_FLAGS_OFFSET] | |
| 8cf686e1 A |
83 | 1: |
| 84 | bx lr | |
| 74236aca | 85 | ENDPROC(save_boot_params) |
| 78f455c0 | 86 | |
| 74236aca | 87 | ENTRY(set_pl310_ctrl_reg) |
| 8b457fa8 A |
88 | PUSH {r4-r11, lr} @ save registers - ROM code may pollute |
| 89 | @ our registers | |
| 90 | LDR r12, =0x102 @ Set PL310 control register - value in R0 | |
| 91 | .word 0xe1600070 @ SMC #0 - hand assembled because -march=armv5 | |
| 92 | @ call ROM Code API to set control register | |
| 93 | POP {r4-r11, pc} | |
| 74236aca | 94 | ENDPROC(set_pl310_ctrl_reg) |