mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-18 21:21:37 +00:00
Merge branch 'master' of git://git.denx.de/u-boot-mips
This commit is contained in:
Tom Rini
commit
38cd8c4253
10 changed files with 45 additions and 330 deletions
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@ -136,10 +136,11 @@ reset:
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/* Set up temporary stack */
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li sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
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move fp, sp
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la t9, board_init_f
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jr t9
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nop
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move ra, zero
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/*
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* void relocate_code (addr_sp, gd, addr_moni)
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@ -155,6 +156,7 @@ reset:
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.ent relocate_code
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relocate_code:
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move sp, a0 # set new stack pointer
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move fp, sp
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move s0, a1 # save gd in s0
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move s2, a2 # save destination address in s2
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@ -260,8 +262,9 @@ in_ram:
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addi t1, 4
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move a0, s0 # a0 <-- gd
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move a1, s2
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la t9, board_init_r
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jr t9
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move a1, s2
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move ra, zero
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.end relocate_code
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@ -130,10 +130,11 @@ reset:
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/* Set up temporary stack */
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dli sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
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move fp, sp
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dla t9, board_init_f
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jr t9
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nop
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move ra, zero
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/*
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* void relocate_code (addr_sp, gd, addr_moni)
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@ -149,6 +150,7 @@ reset:
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.ent relocate_code
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relocate_code:
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move sp, a0 # set new stack pointer
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move fp, sp
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move s0, a1 # save gd in s0
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move s2, a2 # save destination address in s2
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@ -254,8 +256,9 @@ in_ram:
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daddi t1, 8
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move a0, s0 # a0 <-- gd
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move a1, s2
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dla t9, board_init_r
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jr t9
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move a1, s2
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move ra, zero
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.end relocate_code
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@ -5,9 +5,6 @@
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# SPDX-License-Identifier: GPL-2.0+
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#
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ifndef CONFIG_SYS_GENERIC_BOARD
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obj-y += board.o
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endif
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obj-y += io.o
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obj-$(CONFIG_CMD_BOOTM) += bootm.o
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@ -1,320 +0,0 @@
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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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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <malloc.h>
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#include <serial.h>
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#include <stdio_dev.h>
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#include <version.h>
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#include <net.h>
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#include <environment.h>
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#include <nand.h>
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#include <onenand_uboot.h>
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#include <spi.h>
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#ifdef CONFIG_BITBANGMII
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#include <miiphy.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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ulong monitor_flash_len;
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static char *failed = "*** failed ***\n";
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int __board_early_init_f(void)
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{
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/*
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* Nothing to do in this dummy implementation
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*/
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return 0;
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}
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int board_early_init_f(void)
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__attribute__((weak, alias("__board_early_init_f")));
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static int init_func_ram(void)
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{
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#ifdef CONFIG_BOARD_TYPES
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int board_type = gd->board_type;
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#else
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int board_type = 0; /* use dummy arg */
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#endif
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puts("DRAM: ");
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gd->ram_size = initdram(board_type);
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if (gd->ram_size > 0) {
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print_size(gd->ram_size, "\n");
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return 0;
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}
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puts(failed);
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return 1;
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}
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static int display_banner(void)
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{
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printf("\n\n%s\n\n", version_string);
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return 0;
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}
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#ifndef CONFIG_SYS_NO_FLASH
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static void display_flash_config(ulong size)
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{
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puts("Flash: ");
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print_size(size, "\n");
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}
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#endif
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static int init_baudrate(void)
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{
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gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
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return 0;
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}
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/*
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* Breath some life into the board...
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*
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* The first part of initialization is running from Flash memory;
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* its main purpose is to initialize the RAM so that we
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* can relocate the monitor code to RAM.
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*/
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/*
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* All attempts to come up with a "common" initialization sequence
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* that works for all boards and architectures failed: some of the
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* requirements are just _too_ different. To get rid of the resulting
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* mess of board dependend #ifdef'ed code we now make the whole
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* initialization sequence configurable to the user.
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*
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* The requirements for any new initalization function is simple: it
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* receives a pointer to the "global data" structure as it's only
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* argument, and returns an integer return code, where 0 means
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* "continue" and != 0 means "fatal error, hang the system".
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*/
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typedef int (init_fnc_t)(void);
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init_fnc_t *init_sequence[] = {
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board_early_init_f,
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timer_init,
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env_init, /* initialize environment */
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init_baudrate, /* initialize baudrate settings */
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serial_init, /* serial communications setup */
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console_init_f,
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display_banner, /* say that we are here */
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checkboard,
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init_func_ram,
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NULL,
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};
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void board_init_f(ulong bootflag)
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{
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gd_t gd_data, *id;
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bd_t *bd;
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init_fnc_t **init_fnc_ptr;
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ulong addr, addr_sp, len;
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ulong *s;
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/* Pointer is writable since we allocated a register for it.
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*/
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gd = &gd_data;
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/* compiler optimization barrier needed for GCC >= 3.4 */
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__asm__ __volatile__("" : : : "memory");
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memset((void *)gd, 0, sizeof(gd_t));
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for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
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if ((*init_fnc_ptr)() != 0)
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hang();
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}
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/*
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* Now that we have DRAM mapped and working, we can
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* relocate the code and continue running from DRAM.
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*/
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addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
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/* We can reserve some RAM "on top" here.
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*/
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/* round down to next 4 kB limit.
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*/
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addr &= ~(4096 - 1);
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debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
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/* Reserve memory for U-Boot code, data & bss
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* round down to next 16 kB limit
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*/
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len = bss_end() - CONFIG_SYS_MONITOR_BASE;
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addr -= len;
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addr &= ~(16 * 1024 - 1);
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debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
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/* Reserve memory for malloc() arena.
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*/
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addr_sp = addr - TOTAL_MALLOC_LEN;
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debug("Reserving %dk for malloc() at: %08lx\n",
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TOTAL_MALLOC_LEN >> 10, addr_sp);
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/*
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* (permanently) allocate a Board Info struct
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* and a permanent copy of the "global" data
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*/
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addr_sp -= sizeof(bd_t);
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bd = (bd_t *)addr_sp;
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gd->bd = bd;
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debug("Reserving %zu Bytes for Board Info at: %08lx\n",
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sizeof(bd_t), addr_sp);
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addr_sp -= sizeof(gd_t);
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id = (gd_t *)addr_sp;
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debug("Reserving %zu Bytes for Global Data at: %08lx\n",
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sizeof(gd_t), addr_sp);
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/* Reserve memory for boot params.
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*/
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addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
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bd->bi_boot_params = addr_sp;
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debug("Reserving %dk for boot params() at: %08lx\n",
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CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
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/*
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* Finally, we set up a new (bigger) stack.
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*
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* Leave some safety gap for SP, force alignment on 16 byte boundary
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* Clear initial stack frame
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*/
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addr_sp -= 16;
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addr_sp &= ~0xF;
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s = (ulong *)addr_sp;
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*s-- = 0;
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*s-- = 0;
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addr_sp = (ulong)s;
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debug("Stack Pointer at: %08lx\n", addr_sp);
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/*
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* Save local variables to board info struct
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*/
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bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM */
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bd->bi_memsize = gd->ram_size; /* size of DRAM in bytes */
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memcpy(id, (void *)gd, sizeof(gd_t));
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relocate_code(addr_sp, id, addr);
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/* NOTREACHED - relocate_code() does not return */
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}
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/*
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* This is the next part if the initialization sequence: we are now
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* running from RAM and have a "normal" C environment, i. e. global
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* data can be written, BSS has been cleared, the stack size in not
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* that critical any more, etc.
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*/
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void board_init_r(gd_t *id, ulong dest_addr)
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{
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#ifndef CONFIG_SYS_NO_FLASH
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ulong size;
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#endif
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bd_t *bd;
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gd = id;
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gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
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debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
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gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
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monitor_flash_len = image_copy_end() - dest_addr;
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serial_initialize();
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bd = gd->bd;
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/* The Malloc area is immediately below the monitor copy in DRAM */
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mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
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TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
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#ifndef CONFIG_SYS_NO_FLASH
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/* configure available FLASH banks */
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size = flash_init();
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display_flash_config(size);
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bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
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bd->bi_flashsize = size;
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#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
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bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
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#else
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bd->bi_flashoffset = 0;
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#endif
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#else
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bd->bi_flashstart = 0;
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bd->bi_flashsize = 0;
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bd->bi_flashoffset = 0;
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#endif
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#ifdef CONFIG_CMD_NAND
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puts("NAND: ");
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nand_init(); /* go init the NAND */
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#endif
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#if defined(CONFIG_CMD_ONENAND)
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onenand_init();
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#endif
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/* relocate environment function pointers etc. */
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env_relocate();
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#if defined(CONFIG_PCI)
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/*
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* Do pci configuration
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*/
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pci_init();
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#endif
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/** leave this here (after malloc(), environment and PCI are working) **/
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/* Initialize stdio devices */
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stdio_init();
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jumptable_init();
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/* Initialize the console (after the relocation and devices init) */
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console_init_r();
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/** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
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/* Initialize from environment */
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load_addr = getenv_ulong("loadaddr", 16, load_addr);
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#ifdef CONFIG_CMD_SPI
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puts("SPI: ");
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spi_init(); /* go init the SPI */
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puts("ready\n");
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#endif
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#if defined(CONFIG_MISC_INIT_R)
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/* miscellaneous platform dependent initialisations */
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misc_init_r();
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#endif
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#ifdef CONFIG_BITBANGMII
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bb_miiphy_init();
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#endif
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#if defined(CONFIG_CMD_NET)
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puts("Net: ");
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eth_initialize(gd->bd);
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#endif
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/* main_loop() can return to retry autoboot, if so just run it again. */
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for (;;)
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main_loop();
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/* NOTREACHED - no way out of command loop except booting */
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}
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@ -6,10 +6,7 @@
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*/
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#include <common.h>
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#include <command.h>
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#include <image.h>
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#include <u-boot/zlib.h>
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#include <asm/byteorder.h>
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#include <asm/addrspace.h>
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DECLARE_GLOBAL_DATA_PTR;
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|
|
@ -52,6 +49,20 @@ void arch_lmb_reserve(struct lmb *lmb)
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lmb_reserve(lmb, sp, CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp);
|
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}
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||||
static int boot_setup_linux(bootm_headers_t *images)
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{
|
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int ret;
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ulong rd_len;
|
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|
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rd_len = images->rd_end - images->rd_start;
|
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ret = boot_ramdisk_high(&images->lmb, images->rd_start,
|
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rd_len, &images->initrd_start, &images->initrd_end);
|
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if (ret)
|
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return ret;
|
||||
|
||||
return 0;
|
||||
}
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||||
static void linux_cmdline_init(void)
|
||||
{
|
||||
linux_argc = 1;
|
||||
|
|
@ -224,6 +235,8 @@ static void boot_jump_linux(bootm_headers_t *images)
|
|||
int do_bootm_linux(int flag, int argc, char * const argv[],
|
||||
bootm_headers_t *images)
|
||||
{
|
||||
int ret;
|
||||
|
||||
/* No need for those on MIPS */
|
||||
if (flag & BOOTM_STATE_OS_BD_T)
|
||||
return -1;
|
||||
|
|
@ -243,6 +256,10 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
|
|||
return 0;
|
||||
}
|
||||
|
||||
ret = boot_setup_linux(images);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
boot_cmdline_linux(images);
|
||||
boot_prep_linux(images);
|
||||
boot_jump_linux(images);
|
||||
|
|
|
|||
|
|
@ -15,6 +15,9 @@
|
|||
#define CONFIG_DBAU1X00 1
|
||||
#define CONFIG_SOC_AU1X00 1 /* alchemy series cpu */
|
||||
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_DISPLAY_BOARDINFO
|
||||
|
||||
#ifdef CONFIG_DBAU1000
|
||||
/* Also known as Merlot */
|
||||
#define CONFIG_SOC_AU1000 1
|
||||
|
|
|
|||
|
|
@ -15,6 +15,9 @@
|
|||
#define CONFIG_PB1X00 1
|
||||
#define CONFIG_SOC_AU1X00 1 /* alchemy series cpu */
|
||||
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_DISPLAY_BOARDINFO
|
||||
|
||||
#ifdef CONFIG_PB1000
|
||||
#define CONFIG_SOC_AU1000 1
|
||||
#else
|
||||
|
|
|
|||
|
|
@ -13,6 +13,9 @@
|
|||
#define __CONFIG_H
|
||||
|
||||
#define CONFIG_QEMU_MIPS
|
||||
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_DISPLAY_BOARDINFO
|
||||
#define CONFIG_MISC_INIT_R
|
||||
|
||||
#define CONFIG_BOOTDELAY 10 /* autoboot after 10 seconds */
|
||||
|
|
|
|||
|
|
@ -13,6 +13,9 @@
|
|||
#define __CONFIG_H
|
||||
|
||||
#define CONFIG_QEMU_MIPS
|
||||
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_DISPLAY_BOARDINFO
|
||||
#define CONFIG_MISC_INIT_R
|
||||
|
||||
#define CONFIG_BOOTDELAY 10 /* autoboot after 10 seconds */
|
||||
|
|
|
|||
|
|
@ -25,6 +25,9 @@
|
|||
#ifndef __CONFIG_H
|
||||
#define __CONFIG_H
|
||||
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_DISPLAY_BOARDINFO
|
||||
|
||||
#define CPU_CLOCK_RATE 324000000 /* Clock for the MIPS core */
|
||||
#define CONFIG_SYS_MIPS_TIMER_FREQ (CPU_CLOCK_RATE / 2)
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue