615 lines
14 KiB
C
615 lines
14 KiB
C
/*
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* Copyright (c) 2011 The Chromium OS Authors.
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* (C) Copyright 2002-2006
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.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 <linux/compiler.h>
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#include <version.h>
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#include <environment.h>
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#include <fdtdec.h>
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#include <fs.h>
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#if defined(CONFIG_CMD_IDE)
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#include <ide.h>
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#endif
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#include <i2c.h>
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#include <initcall.h>
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#include <logbuff.h>
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/* TODO: Can we move these into arch/ headers? */
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#ifdef CONFIG_8xx
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#include <mpc8xx.h>
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#endif
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#ifdef CONFIG_5xx
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#include <mpc5xx.h>
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#endif
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#ifdef CONFIG_MPC5xxx
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#include <mpc5xxx.h>
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#endif
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#include <os.h>
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#include <post.h>
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#include <spi.h>
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#include <trace.h>
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#include <watchdog.h>
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#include <asm/errno.h>
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#include <asm/io.h>
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#ifdef CONFIG_MP
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#include <asm/mp.h>
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#endif
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#include <asm/sections.h>
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#ifdef CONFIG_X86
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#include <asm/init_helpers.h>
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#include <asm/relocate.h>
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#endif
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#ifdef CONFIG_SANDBOX
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#include <asm/state.h>
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#endif
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#include <linux/compiler.h>
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#include <private_uboot.h>
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#include <fdt_support.h>
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#include <private_toc.h>
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#include <sys_config_old.h>
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#include <malloc.h>
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/*
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* Pointer to initial global data area
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*
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* Here we initialize it if needed.
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*/
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#ifdef XTRN_DECLARE_GLOBAL_DATA_PTR
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#undef XTRN_DECLARE_GLOBAL_DATA_PTR
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#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
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DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR);
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#else
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DECLARE_GLOBAL_DATA_PTR;
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#endif
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extern uint usb_dma_used[8];
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/*
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* sjg: IMO this code should be
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* refactored to a single function, something like:
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*
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* void led_set_state(enum led_colour_t colour, int on);
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*/
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/************************************************************************
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* Coloured LED functionality
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************************************************************************
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* May be supplied by boards if desired
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*/
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inline void __coloured_LED_init(void) {}
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void coloured_LED_init(void)
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__attribute__((weak, alias("__coloured_LED_init")));
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inline void __red_led_on(void) {}
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void red_led_on(void) __attribute__((weak, alias("__red_led_on")));
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inline void __red_led_off(void) {}
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void red_led_off(void) __attribute__((weak, alias("__red_led_off")));
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inline void __green_led_on(void) {}
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void green_led_on(void) __attribute__((weak, alias("__green_led_on")));
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inline void __green_led_off(void) {}
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void green_led_off(void) __attribute__((weak, alias("__green_led_off")));
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inline void __yellow_led_on(void) {}
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void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on")));
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inline void __yellow_led_off(void) {}
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void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off")));
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inline void __blue_led_on(void) {}
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void blue_led_on(void) __attribute__((weak, alias("__blue_led_on")));
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inline void __blue_led_off(void) {}
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void blue_led_off(void) __attribute__((weak, alias("__blue_led_off")));
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/*
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* Why is gd allocated a register? Prior to reloc it might be better to
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* just pass it around to each function in this file?
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*
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* After reloc one could argue that it is hardly used and doesn't need
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* to be in a register. Or if it is it should perhaps hold pointers to all
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* global data for all modules, so that post-reloc we can avoid the massive
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* literal pool we get on ARM. Or perhaps just encourage each module to use
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* a structure...
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*/
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/*
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* Could the CONFIG_SPL_BUILD infection become a flag in gd?
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*/
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#if defined(CONFIG_WATCHDOG)
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static int init_func_watchdog_init(void)
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{
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puts(" Watchdog enabled\n");
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WATCHDOG_RESET();
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return 0;
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}
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int init_func_watchdog_reset(void)
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{
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WATCHDOG_RESET();
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return 0;
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}
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#endif /* CONFIG_WATCHDOG */
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void __board_add_ram_info(int use_default)
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{
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/* please define platform specific board_add_ram_info() */
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}
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void board_add_ram_info(int)
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__attribute__ ((weak, alias("__board_add_ram_info")));
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#if 0
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static int show_dram_config(void)
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{
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unsigned long long size;
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#ifdef CONFIG_NR_DRAM_BANKS
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int i;
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debug("\nRAM Configuration:\n");
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for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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size += gd->bd->bi_dram[i].size;
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debug("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
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#ifdef DEBUG
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print_size(gd->bd->bi_dram[i].size, "\n");
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#endif
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}
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debug("\nDRAM: ");
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#else
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size = gd->ram_size;
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#endif
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print_size(size, "");
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board_add_ram_info(0);
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putc('\n');
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return 0;
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}
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#endif
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#if defined(CONFIG_HARD_SPI)
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static int init_func_spi(void)
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{
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puts("SPI: ");
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spi_init();
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puts("ready\n");
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return 0;
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}
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#endif
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__maybe_unused
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static int zero_global_data(void)
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{
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memset((void *)gd, '\0', sizeof(gd_t));
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return 0;
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}
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__weak int arch_cpu_init(void)
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{
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return 0;
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}
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#ifdef CONFIG_OF_HOSTFILE
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static int read_fdt_from_file(void)
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{
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struct sandbox_state *state = state_get_current();
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const char *fname = state->fdt_fname;
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void *blob;
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ssize_t size;
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int err;
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int fd;
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blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0);
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if (!state->fdt_fname) {
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err = fdt_create_empty_tree(blob, 256);
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if (!err)
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goto done;
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printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
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return -EINVAL;
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}
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size = os_get_filesize(fname);
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if (size < 0) {
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printf("Failed to file FDT file '%s'\n", fname);
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return -ENOENT;
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}
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fd = os_open(fname, OS_O_RDONLY);
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if (fd < 0) {
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printf("Failed to open FDT file '%s'\n", fname);
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return -EACCES;
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}
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if (os_read(fd, blob, size) != size) {
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os_close(fd);
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return -EIO;
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}
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os_close(fd);
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done:
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gd->fdt_blob = blob;
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return 0;
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}
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#endif
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#ifdef CONFIG_SANDBOX
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static int setup_ram_buf(void)
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{
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struct sandbox_state *state = state_get_current();
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gd->arch.ram_buf = state->ram_buf;
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gd->ram_size = state->ram_size;
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return 0;
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}
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#endif
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/* Round memory pointer down to next 4 kB limit */
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static int reserve_round_4k(void)
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{
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printf("%s %d\n", __FILE__, __LINE__);
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gd->relocaddr = CONFIG_SYS_TEXT_BASE;
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return 0;
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}
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#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \
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defined(CONFIG_ARM)
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static int reserve_mmu(void)
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{
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/* reserve TLB table */
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gd->arch.tlb_size = PGTABLE_SIZE;
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gd->relocaddr -= gd->arch.tlb_size;
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/* round down to next 64 kB limit */
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gd->relocaddr &= ~(0x10000 - 1);
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gd->arch.tlb_addr = gd->relocaddr;
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debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr,
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gd->arch.tlb_addr + gd->arch.tlb_size);
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return 0;
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}
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#endif
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#ifndef CONFIG_SPL_BUILD
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/* reserve memory for malloc() area */
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static int reserve_malloc(void)
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{
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gd->start_addr_sp = gd->relocaddr - TOTAL_MALLOC_LEN;
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debug("Reserving %dk for malloc() at: %08lx\n",
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TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp);
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#ifdef CONFIG_NONCACHE_MEMORY
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gd->start_addr_sp &= ~(1024 * 1024 - 1);
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gd->start_addr_sp -= CONFIG_NONCACHE_MEMORY_SIZE;
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debug("Reserving %dk for nocache malloc() at: %08lx\n",
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CONFIG_NONCACHE_MEMORY_SIZE >> 10, gd->start_addr_sp);
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gd->malloc_noncache_start = gd->start_addr_sp;
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#endif
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printf("%s %d\n", __FILE__, __LINE__);
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return 0;
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}
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/* (permanently) allocate a Board Info struct */
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static int reserve_board(void)
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{
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gd->start_addr_sp -= sizeof(bd_t);
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gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t));
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memset(gd->bd, '\0', sizeof(bd_t));
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debug("Reserving %zu Bytes for Board Info at: %08lx\n",
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sizeof(bd_t), gd->start_addr_sp);
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return 0;
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}
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#endif
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static int reserve_stacks(void)
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{
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/* setup stack pointer for exceptions */
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gd->start_addr_sp -= 16;
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gd->start_addr_sp &= ~0xf;
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gd->irq_sp = gd->start_addr_sp;
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/*
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* Handle architecture-specific things here
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* TODO(sjg@chromium.org): Perhaps create arch_reserve_stack()
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* to handle this and put in arch/xxx/lib/stack.c
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*/
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gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
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debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
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CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp);
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/* 8-byte alignment for ARM ABI compliance */
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gd->start_addr_sp &= ~0x07;
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gd->start_addr_sp -= 16;
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return 0;
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}
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#ifdef CONFIG_PPC
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static int setup_board_part1(void)
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{
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bd_t *bd = gd->bd;
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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 memory */
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bd->bi_memsize = gd->ram_size; /* size in bytes */
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#ifdef CONFIG_SYS_SRAM_BASE
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bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */
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bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */
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#endif
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#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \
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defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
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bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
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#endif
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#if defined(CONFIG_MPC5xxx)
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bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
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#endif
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#if defined(CONFIG_MPC83xx)
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bd->bi_immrbar = CONFIG_SYS_IMMR;
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#endif
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return 0;
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}
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static int setup_board_part2(void)
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{
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bd_t *bd = gd->bd;
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bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
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bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
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#if defined(CONFIG_CPM2)
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bd->bi_cpmfreq = gd->arch.cpm_clk;
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bd->bi_brgfreq = gd->arch.brg_clk;
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bd->bi_sccfreq = gd->arch.scc_clk;
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bd->bi_vco = gd->arch.vco_out;
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#endif /* CONFIG_CPM2 */
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#if defined(CONFIG_MPC512X)
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bd->bi_ipsfreq = gd->arch.ips_clk;
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#endif /* CONFIG_MPC512X */
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#if defined(CONFIG_MPC5xxx)
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bd->bi_ipbfreq = gd->arch.ipb_clk;
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bd->bi_pcifreq = gd->pci_clk;
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#endif /* CONFIG_MPC5xxx */
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return 0;
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}
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#endif
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#ifdef CONFIG_SYS_EXTBDINFO
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static int setup_board_extra(void)
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{
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bd_t *bd = gd->bd;
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strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version));
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strncpy((char *) bd->bi_r_version, U_BOOT_VERSION,
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sizeof(bd->bi_r_version));
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bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
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bd->bi_plb_busfreq = gd->bus_clk;
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#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
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defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
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defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
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bd->bi_pci_busfreq = get_PCI_freq();
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bd->bi_opbfreq = get_OPB_freq();
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#elif defined(CONFIG_XILINX_405)
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bd->bi_pci_busfreq = get_PCI_freq();
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#endif
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return 0;
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}
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#endif
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/* ARM calls relocate_code from its crt0.S */
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#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
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static int jump_to_copy(void)
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{
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/*
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* x86 is special, but in a nice way. It uses a trampoline which
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* enables the dcache if possible.
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*
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* For now, other archs use relocate_code(), which is implemented
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* similarly for all archs. When we do generic relocation, hopefully
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* we can make all archs enable the dcache prior to relocation.
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*/
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#ifdef CONFIG_X86
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/*
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* SDRAM and console are now initialised. The final stack can now
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* be setup in SDRAM. Code execution will continue in Flash, but
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* with the stack in SDRAM and Global Data in temporary memory
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* (CPU cache)
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*/
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board_init_f_r_trampoline(gd->start_addr_sp);
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#else
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relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr);
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#endif
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return 0;
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}
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#endif
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extern s32 sunxi_rsb_init(u32 slave_id);
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static int init_func_pmubus(void)
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{
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s32 ret = 0;
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#if defined(CONFIG_AXP_USE_RSB)
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//ret = sunxi_rsb_init(0);
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#elif defined (CONFIG_AXP_USE_I2C)
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/*i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);*/
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#else
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#endif
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printf("pmbus: %s\n", ret? "not ready":"ready");
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return (0);
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}
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extern void mem_noncache_malloc_init(uint noncache_start, uint noncache_size);
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#define CONFIG_DUMP_MALLOC_LEN (3 * 1024 * 1024)
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#define CONFIG_NOCACHE_MALLOC_LEN (2 * 1024 * 1024)
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static int initr_malloc(void)
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{
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uint32_t malloc_start;
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uint32_t malloc_size;
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printf("%s %d\n", __FILE__, __LINE__);
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malloc_start = gd->relocaddr - CONFIG_DUMP_MALLOC_LEN;
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malloc_size = CONFIG_DUMP_MALLOC_LEN;
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malloc_size += (malloc_start & 0x000fffff);
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malloc_start &= 0xfff00000;
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printf("%s %d\n", __FILE__, __LINE__);
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printf("malloc init: start 0x%x, range 0x%x\n", malloc_start, malloc_size);
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mem_malloc_init((ulong)map_sysmem(malloc_start, CONFIG_DUMP_MALLOC_LEN),
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malloc_size);
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debug("malloc start addr is %x, size %dk \n",malloc_start,CONFIG_DUMP_MALLOC_LEN>>10 );
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printf("malloc init ok\n");
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#ifdef CONFIG_NONCACHE_MEMORY
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{
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//mem_noncache_malloc_init(gd->malloc_noncache_start, CONFIG_NOCACHE_MALLOC_LEN);
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//debug("no cache malloc start addr is %lx, size %dk \n",gd->malloc_noncache_start,CONFIG_NOCACHE_MALLOC_LEN>>10 );
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}
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#endif
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return 0;
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}
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static int cache_enable(void)
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{
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icache_enable();
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dcache_enable();
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return 0;
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}
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static int initr_enable_interrupts(void)
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{
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enable_interrupts();
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return 0;
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}
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extern int sunxi_usb_dev_register(uint dev_name);
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extern void sunxi_usb_main_loop(int mode);
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static int sunxi_usb_efex_reg(void)
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{
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|
printf("%s %d\n", __FILE__, __LINE__);
|
|
sunxi_usb_dev_register(2);
|
|
printf("%s %d\n", __FILE__, __LINE__);
|
|
sunxi_usb_main_loop(2500);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int script_init(void);
|
|
|
|
static init_fnc_t init_sequence_f[] = {
|
|
timer_init, /* initialize timer */
|
|
serial_init, /* serial communications setup */
|
|
|
|
init_func_pmubus,
|
|
|
|
reserve_round_4k,
|
|
reserve_mmu,
|
|
|
|
cache_enable,
|
|
#ifndef CONFIG_SPL_BUILD
|
|
reserve_malloc,
|
|
reserve_board,
|
|
#endif
|
|
initr_malloc,
|
|
|
|
reserve_stacks,
|
|
initr_enable_interrupts,
|
|
|
|
sunxi_usb_efex_reg,
|
|
|
|
|
|
};
|
|
|
|
void board_init_f(ulong boot_flags)
|
|
{
|
|
int *cp = (int *)__bss_start;
|
|
int *_end = (int *)__bss_end;
|
|
#ifdef CONFIG_SYS_GENERIC_GLOBAL_DATA
|
|
/*
|
|
* For some archtectures, global data is initialized and used before
|
|
* calling this function. The data should be preserved. For others,
|
|
* CONFIG_SYS_GENERIC_GLOBAL_DATA should be defined and use the stack
|
|
* here to host global data until relocation.
|
|
*/
|
|
gd_t data;
|
|
|
|
gd = &data;
|
|
|
|
/*
|
|
* Clear global data before it is accessed at debug print
|
|
* in initcall_run_list. Otherwise the debug print probably
|
|
* get the wrong vaule of gd->have_console.
|
|
*/
|
|
zero_global_data();
|
|
#endif
|
|
|
|
gd->flags = boot_flags;
|
|
gd->have_console = 0;
|
|
gd->debug_mode = 1;
|
|
|
|
/* Zero out BSS */
|
|
while (cp < _end)
|
|
*cp++ = 0;
|
|
|
|
if (initcall_run_list(init_sequence_f))
|
|
{
|
|
hang();
|
|
}
|
|
|
|
#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
|
|
/* NOTREACHED - jump_to_copy() does not return */
|
|
hang();
|
|
#endif
|
|
}
|
|
|
|
|
|
void board_init_r(gd_t *new_gd, ulong dest_addr)
|
|
{
|
|
while(1);
|
|
}
|
|
|
|
void s_init(void)
|
|
{
|
|
}
|
|
|
|
__weak void cpu_spin_lock(unsigned int *lock)
|
|
{
|
|
}
|
|
__weak unsigned int cpu_spin_trylock(unsigned int *lock)
|
|
{
|
|
return 0;
|
|
}
|
|
__weak void cpu_spin_unlock(unsigned int *lock)
|
|
{
|
|
}
|
|
int get_core_pos(void)
|
|
{
|
|
return 0;
|
|
}
|