2 * Board specific setup info
5 * Texas Instruments, <www.ti.com>
8 * Aneesh V <aneesh@ti.com>
10 * See file CREDITS for list of people who contributed to this
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.
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.
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,
29 #include <asm/arch/omap4.h>
30 #ifdef CONFIG_SPL_BUILD
31 .global save_boot_params
34 * See if the rom code passed pointer is valid:
35 * It is not valid if it is not in non-secure SRAM
36 * This may happen if you are booting with the help of
39 ldr r2, =NON_SECURE_SRAM_START
42 ldr r2, =NON_SECURE_SRAM_END
46 /* Store the boot device in omap4_boot_device */
47 ldr r2, [r0, #BOOT_DEVICE_OFFSET] @ r1 <- value of boot device
48 and r2, #BOOT_DEVICE_MASK
49 ldr r3, =omap4_boot_device
50 str r2, [r3] @ omap4_boot_device <- r1
52 /* Store the boot mode (raw/FAT) in omap4_boot_mode */
53 ldr r2, [r0, #DEV_DESC_PTR_OFFSET] @ get the device descriptor ptr
54 ldr r2, [r2, #DEV_DATA_PTR_OFFSET] @ get the pDeviceData ptr
55 ldr r2, [r2, #BOOT_MODE_OFFSET] @ get the boot mode
56 ldr r3, =omap4_boot_mode
65 * Setup a temporary stack
67 ldr sp, =LOW_LEVEL_SRAM_STACK
70 * Save the old lr(passed in ip) and the current lr to stack
75 * go setup pll, mux, memory
80 .globl set_pl310_ctrl_reg
82 PUSH {r4-r11, lr} @ save registers - ROM code may pollute
84 LDR r12, =0x102 @ Set PL310 control register - value in R0
85 .word 0xe1600070 @ SMC #0 - hand assembled because -march=armv5
86 @ call ROM Code API to set control register