[U-Boot] [PATCH] Exynos5250: Remove lowlevelinit
Albert ARIBAUD
albert.u.boot at aribaud.net
Wed Feb 19 10:47:47 CET 2014
Hi Rajeshwari,
On Fri, 14 Feb 2014 13:52:48 +0530, Rajeshwari Shinde
<rajeshwari.s at samsung.com> wrote:
> From: Rajeshwari S Shinde <rajeshwari.s at samsung.com>
>
> Since we use CONFIG_SKIP_LOWLEVEL_INIT for Exynos baords, we dont need to a
> lowlevel_init.S file.
>
> Signed-off-by: Rajeshwari S Shinde <rajeshwari.s at samsung.com>
> ---
> board/samsung/smdk5250/lowlevel_init.S | 82 ----------------------------------
> 1 file changed, 82 deletions(-)
> delete mode 100644 board/samsung/smdk5250/lowlevel_init.S
>
> diff --git a/board/samsung/smdk5250/lowlevel_init.S b/board/samsung/smdk5250/lowlevel_init.S
> deleted file mode 100644
> index 9003e2d..0000000
> --- a/board/samsung/smdk5250/lowlevel_init.S
> +++ /dev/null
> @@ -1,82 +0,0 @@
> -/*
> - * Lowlevel setup for SMDK5250 board based on S5PC520
> - *
> - * Copyright (C) 2012 Samsung Electronics
> - *
> - * SPDX-License-Identifier: GPL-2.0+
> - */
> -
> -#include <config.h>
> -#include <version.h>
> -#include <asm/arch/cpu.h>
> -
> -_TEXT_BASE:
> - .word CONFIG_SYS_TEXT_BASE
> -
> - .globl lowlevel_init
> -lowlevel_init:
> -
> - /* use iRAM stack in bl2 */
> - ldr sp, =CONFIG_IRAM_STACK
> - stmdb r13!, {ip,lr}
> -
> - /* check reset status */
> - ldr r0, =(EXYNOS5_POWER_BASE + INFORM1_OFFSET)
> - ldr r1, [r0]
> -
> - /* AFTR wakeup reset */
> - ldr r2, =S5P_CHECK_DIDLE
> - cmp r1, r2
> - beq exit_wakeup
> -
> - /* LPA wakeup reset */
> - ldr r2, =S5P_CHECK_LPA
> - 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, =0x0ffffff /* 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_init
> -
> -1:
> - bl arch_cpu_init
> - bl tzpc_init
> - ldmia r13!, {ip,pc}
> -
> -wakeup_reset:
> - bl system_clock_init
> - bl mem_ctrl_init
> - bl arch_cpu_init
> - bl tzpc_init
> -
> -exit_wakeup:
> - /* Load return address and jump to kernel */
> - ldr r0, =(EXYNOS5_POWER_BASE + INFORM0_OFFSET)
> -
> - /* r1 = physical address of exynos5_cpu_resume function*/
> - ldr r1, [r0]
> -
> - /* Jump to kernel */
> - mov pc, r1
> - nop
> - nop
Applied to u-boot-arm/master, thanks!
Amicalement,
--
Albert.
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