From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/u-boot/board/cm4008/cm4008.c | 88 ++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 qemu/roms/u-boot/board/cm4008/cm4008.c (limited to 'qemu/roms/u-boot/board/cm4008/cm4008.c') diff --git a/qemu/roms/u-boot/board/cm4008/cm4008.c b/qemu/roms/u-boot/board/cm4008/cm4008.c new file mode 100644 index 000000000..740e16443 --- /dev/null +++ b/qemu/roms/u-boot/board/cm4008/cm4008.c @@ -0,0 +1,88 @@ +/* + * (C) Copyright 2005 + * Greg Ungerer, OpenGear Inc, + * + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +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=16M initrd=0x400000,6M 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 CM4008 */ + gd->bd->bi_arch_number = 624; + + /* 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); +} -- cgit 1.2.3-korg