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https://github.com/u-boot/u-boot.git
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d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commitc8ffd1356d, reversing changes made to2ee6f3a5f7. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (c) Copyright 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
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* (c) Copyright 2008 Renesas Solutions Corp.
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*/
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#include <common.h>
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#include <bootm.h>
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#include <command.h>
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#include <env.h>
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#include <image.h>
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#include <asm/byteorder.h>
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#include <asm/global_data.h>
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#include <asm/zimage.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_SH_SDRAM_OFFSET
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#define GET_INITRD_START(initrd, linux) (initrd - linux + CONFIG_SH_SDRAM_OFFSET)
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#else
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#define GET_INITRD_START(initrd, linux) (initrd - linux)
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#endif
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static void set_sh_linux_param(unsigned long param_addr, unsigned long data)
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{
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*(unsigned long *)(param_addr) = data;
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}
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static unsigned long sh_check_cmd_arg(char *cmdline, char *key, int base)
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{
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unsigned long val = 0;
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char *p = strstr(cmdline, key);
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if (p) {
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p += strlen(key);
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val = simple_strtol(p, NULL, base);
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}
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return val;
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}
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int do_bootm_linux(int flag, struct bootm_info *bmi)
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{
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struct bootm_headers *images = bmi->images;
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/* Linux kernel load address */
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void (*kernel) (void) = (void (*)(void))images->ep;
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/* empty_zero_page */
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unsigned char *param
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= (unsigned char *)image_get_load(images->legacy_hdr_os);
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/* Linux kernel command line */
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char *cmdline = (char *)param + COMMAND_LINE;
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/* PAGE_SIZE */
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unsigned long size = images->ep - (unsigned long)param;
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char *bootargs = env_get("bootargs");
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/*
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* allow the PREP bootm subcommand, it is required for bootm to work
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*/
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if (flag & BOOTM_STATE_OS_PREP)
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return 0;
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if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
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return 1;
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/* Clear zero page */
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memset(param, 0, size);
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/* Set commandline */
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strcpy(cmdline, bootargs);
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/* Initrd */
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if (images->rd_start || images->rd_end) {
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unsigned long ramdisk_flags = 0;
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int val = sh_check_cmd_arg(bootargs, CMD_ARG_RD_PROMPT, 10);
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if (val == 1)
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ramdisk_flags |= RD_PROMPT;
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else
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ramdisk_flags &= ~RD_PROMPT;
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val = sh_check_cmd_arg(bootargs, CMD_ARG_RD_DOLOAD, 10);
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if (val == 1)
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ramdisk_flags |= RD_DOLOAD;
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else
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ramdisk_flags &= ~RD_DOLOAD;
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set_sh_linux_param((unsigned long)param + MOUNT_ROOT_RDONLY, 0x0001);
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set_sh_linux_param((unsigned long)param + RAMDISK_FLAGS, ramdisk_flags);
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set_sh_linux_param((unsigned long)param + ORIG_ROOT_DEV, 0x0200);
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set_sh_linux_param((unsigned long)param + LOADER_TYPE, 0x0001);
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set_sh_linux_param((unsigned long)param + INITRD_START,
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GET_INITRD_START(images->rd_start, CFG_SYS_SDRAM_BASE));
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set_sh_linux_param((unsigned long)param + INITRD_SIZE,
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images->rd_end - images->rd_start);
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}
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/* Boot kernel */
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kernel();
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/* does not return */
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return 1;
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}
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static ulong get_sp(void)
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{
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ulong ret;
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asm("mov r15, %0" : "=r"(ret) : );
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return ret;
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}
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void arch_lmb_reserve(struct lmb *lmb)
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{
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arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096);
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}
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