diff options
Diffstat (limited to 'board/davinci/sonata/board_init.S')
-rw-r--r-- | board/davinci/sonata/board_init.S | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/board/davinci/sonata/board_init.S b/board/davinci/sonata/board_init.S deleted file mode 100644 index 0a47ad5ebb..0000000000 --- a/board/davinci/sonata/board_init.S +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> - * - * Board-specific low level initialization code. Called at the very end - * of arch/arm/cpu/arm926ejs/davinci/lowlevel_init.S. Just returns if there is no - * initialization required. - * - * For _OLDER_ Sonata boards sets up GPIO4 to control NAND WP line. Newer - * Sonata boards, AFAIK, don't use this so it's just return by default. Ask - * Visioneering if they reinvented the wheel once again to make sure :) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> - -.globl dv_board_init -dv_board_init: -#ifdef SONATA_BOARD_GPIOWP - /* Set PINMUX0 to enable GPIO4 */ - ldr r0, _PINMUX0 - ldr r1, GPIO4_EN_MASK - ldr r2, [r0] - and r2, r2, r1 - str r2, [r0] - - /* Enable GPIO LPSC module */ - ldr r0, PTSTAT - -gpio_ptstat_loop1: - ldr r2, [r0] - tst r2, $0x00000001 - bne gpio_ptstat_loop1 - - ldr r1, MDCTL_GPIO - ldr r2, [r1] - and r2, r2, $0xfffffff8 - orr r2, r2, $0x00000003 - str r2, [r1] - - orr r2, r2, $0x00000200 - str r2, [r1] - - ldr r1, PTCMD - mov r2, $0x00000001 - str r2, [r1] - -gpio_ptstat_loop2: - ldr r2, [r0] - tst r2, $0x00000001 - bne gpio_ptstat_loop2 - - ldr r0, MDSTAT_GPIO -gpio_mdstat_loop: - ldr r2, [r0] - and r2, r2, $0x0000001f - teq r2, $0x00000003 - bne gpio_mdstat_loop - - /* GPIO4 -> output */ - ldr r0, GPIO_DIR01 - mov r1, $0x10 - ldr r2, [r0] - bic r2, r2, r0 - str r2, [r0] - - /* Set it to 0 (Write Protect) */ - ldr r0, GPIO_CLR_DATA01 - str r1, [r0] -#endif - - mov pc, lr - -#ifdef SONATA_BOARD_GPIOWP -.ltorg - -GPIO4_EN_MASK: - .word 0xf77fffff -MDCTL_GPIO: - .word 0x01c41a68 -MDSTAT_GPIO: - .word 0x01c41868 -GPIO_DIR01: - .word 0x01c67010 -GPIO_CLR_DATA01: - .word 0x01c6701c -#endif |