mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 19:28:36 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
88 lines
2 KiB
C
88 lines
2 KiB
C
/*
|
|
* (C) Copyright 2005
|
|
* Greg Ungerer, OpenGear Inc, <greg.ungerer@opengear.com>
|
|
*
|
|
* (C) Copyright 2002
|
|
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
|
|
*
|
|
* (C) Copyright 2002
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Marius Groeger <mgroeger@sysgo.de>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch/platform.h>
|
|
#include <netdev.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
#define ks8695_read(a) *((volatile unsigned int *) (KS8695_IO_BASE+(a)))
|
|
#define ks8695_write(a,b) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) = (b)
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
|
|
/*
|
|
* Miscelaneous platform dependent initialisations
|
|
*/
|
|
int env_flash_cmdline (void)
|
|
{
|
|
char *sp = (char *) 0x0201c020;
|
|
char *ep;
|
|
int len;
|
|
|
|
/* Check if "erase" push button is depressed */
|
|
if ((ks8695_read(KS8695_GPIO_DATA) & 0x8) == 0) {
|
|
printf("### Entering network recovery mode...\n");
|
|
setenv("bootargs", "console=ttyAM0,115200 mem=32M initrd=0x400000,8M root=/dev/ram0");
|
|
setenv("bootcmd", "bootp 0x400000; gofsk 0x400000");
|
|
setenv("bootdelay", "2");
|
|
return 0;
|
|
}
|
|
|
|
/* Check for flash based kernel boot args to use as default */
|
|
for (ep = sp, len = 0; ((len < 1024) && (*ep != 0)); ep++, len++)
|
|
;
|
|
|
|
if ((len > 0) && (len <1024))
|
|
setenv("bootargs", sp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_late_init (void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
return ks8695_eth_initialize();
|
|
}
|
|
|
|
int board_init (void)
|
|
{
|
|
/* arch number of CM41xx */
|
|
gd->bd->bi_arch_number = 672;
|
|
|
|
/* adress of boot parameters */
|
|
gd->bd->bi_boot_params = 0x00000100;
|
|
|
|
/* power down all but port 0 on the switch */
|
|
ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005);
|
|
ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init (void)
|
|
{
|
|
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
|
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
|
|
|
|
return (0);
|
|
}
|