gd->bd->bi_baudrate is a copy of gd->baudrate. Since baudrate is a common feature for all architectures, keep gd->baudrate only. It is true that bi_baudrate was passed to the kernel in that structure but it was a long time ago. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Tom Rini <trini@ti.com> Cc: Simon Glass <sjg@chromium.org> Cc: Wolfgang Denk <wd@denx.de> Cc: Heiko Schocher <hs@denx.de> Acked-by: Michal Simek <monstr@monstr.eu> (For microblaze)
399 lines
9.7 KiB
C
399 lines
9.7 KiB
C
/*
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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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* Copyright (C) 2011 Andes Technology Corporation
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* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
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* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
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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 <stdio_dev.h>
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#include <timestamp.h>
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#include <version.h>
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#include <net.h>
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#include <serial.h>
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#include <nand.h>
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#include <onenand_uboot.h>
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#include <mmc.h>
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#include <asm/sections.h>
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CONFIG_SYS_I2C)
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#include <i2c.h>
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#endif
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ulong monitor_flash_len;
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/*
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* Init Utilities
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*/
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#if !defined(CONFIG_BAUDRATE)
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#define CONFIG_BAUDRATE 38400
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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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* WARNING: this code looks "cleaner" than the PowerPC version, but
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* has the disadvantage that you either get nothing, or everything.
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* On PowerPC, you might see "DRAM: " before the system hangs - which
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* gives a simple yet clear indication which part of the
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* initialization if failing.
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*/
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static int display_dram_config(void)
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{
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int i;
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#ifdef DEBUG
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puts("RAM Configuration:\n");
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for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
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print_size(gd->bd->bi_dram[i].size, "\n");
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}
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#else
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ulong size = 0;
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for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
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size += gd->bd->bi_dram[i].size;
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puts("DRAM: ");
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print_size(size, "\n");
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#endif
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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 /* CONFIG_SYS_NO_FLASH */
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#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
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#include <pci.h>
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static int nds32_pci_init(void)
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{
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pci_init();
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return 0;
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}
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#endif /* CONFIG_CMD_PCI || CONFIG_PCI */
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#if defined(CONFIG_PMU) || defined(CONFIG_PCU)
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#ifndef CONFIG_SKIP_LOWLEVEL_INIT
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static int pmu_init(void)
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{
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#if defined(CONFIG_FTPMU010_POWER)
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#ifdef __NDS32_N1213_43U1H__ /* AG101: internal definition in toolchain */
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ftpmu010_sdram_clk_disable(CONFIG_SYS_FTPMU010_PDLLCR0_HCLKOUTDIS);
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ftpmu010_mfpsr_select_dev(FTPMU010_MFPSR_AC97CLKSEL);
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ftpmu010_sdramhtc_set(CONFIG_SYS_FTPMU010_SDRAMHTC);
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#endif /* __NDS32_N1213_43U1H__ */
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#endif
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return 0;
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}
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#endif
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#endif
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/*
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* Breathe some life into the board...
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*
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* Initialize a serial port as console, and carry out some hardware
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* tests.
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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 dependent #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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void __dram_init_banksize(void)
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{
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gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_dram[0].size = gd->ram_size;
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}
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void dram_init_banksize(void)
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__attribute__((weak, alias("__dram_init_banksize")));
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init_fnc_t *init_sequence[] = {
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#if defined(CONFIG_ARCH_CPU_INIT)
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arch_cpu_init, /* basic arch cpu dependent setup */
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#endif
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#if defined(CONFIG_PMU) || defined(CONFIG_PCU)
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#ifndef CONFIG_SKIP_LOWLEVEL_INIT
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pmu_init,
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#endif
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#endif
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board_init, /* basic board dependent setup */
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#if defined(CONFIG_USE_IRQ)
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interrupt_init, /* set up exceptions */
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#endif
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timer_init, /* initialize timer */
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env_init, /* initialize environment */
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init_baudrate, /* initialze baudrate settings */
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serial_init, /* serial communications setup */
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console_init_f, /* stage 1 init of console */
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#if defined(CONFIG_DISPLAY_BOARDINFO)
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checkboard, /* display board info */
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#endif
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#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
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init_func_i2c,
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#endif
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dram_init, /* configure available RAM banks */
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display_dram_config,
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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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bd_t *bd;
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init_fnc_t **init_fnc_ptr;
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gd_t *id;
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ulong addr, addr_sp;
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/* Pointer is writable since we allocated a register for it */
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gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
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memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
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gd->mon_len = (unsigned int)(&__bss_end) - (unsigned int)(&_start);
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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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debug("monitor len: %08lX\n", gd->mon_len);
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/*
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* Ram is setup, size stored in gd !!
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*/
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debug("ramsize: %08lX\n", gd->ram_size);
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addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
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/* round down to next 4 kB limit */
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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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#ifdef CONFIG_LCD
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#ifdef CONFIG_FB_ADDR
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gd->fb_base = CONFIG_FB_ADDR;
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#else
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/* reserve memory for LCD display (always full pages) */
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addr = lcd_setmem(addr);
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gd->fb_base = addr;
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#endif /* CONFIG_FB_ADDR */
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#endif /* CONFIG_LCD */
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/*
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* reserve memory for U-Boot code, data & bss
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* round down to next 4 kB limit
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*/
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addr -= gd->mon_len;
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addr &= ~(4096 - 1);
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debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
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/*
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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 -= GENERATED_BD_INFO_SIZE;
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bd = (bd_t *) addr_sp;
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gd->bd = bd;
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memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
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debug("Reserving %zu Bytes for Board Info at: %08lx\n",
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GENERATED_BD_INFO_SIZE, addr_sp);
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addr_sp -= GENERATED_GBL_DATA_SIZE;
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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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GENERATED_GBL_DATA_SIZE, addr_sp);
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/* setup stackpointer for exeptions */
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gd->irq_sp = addr_sp;
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#ifdef CONFIG_USE_IRQ
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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, addr_sp);
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#endif
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/* leave 3 words for abort-stack */
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addr_sp -= 12;
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/* 8-byte alignment for ABI compliance */
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addr_sp &= ~0x07;
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debug("New Stack Pointer is: %08lx\n", addr_sp);
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/* Ram isn't board specific, so move it to board code ... */
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dram_init_banksize();
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display_dram_config(); /* and display it */
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gd->relocaddr = addr;
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gd->start_addr_sp = addr_sp;
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gd->reloc_off = addr - _TEXT_BASE;
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debug("relocation Offset is: %08lx\n", gd->reloc_off);
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memcpy(id, (void *)gd, GENERATED_GBL_DATA_SIZE);
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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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bd_t *bd;
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ulong malloc_start;
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gd = id;
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bd = gd->bd;
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gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
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monitor_flash_len = (ulong)&_end - (ulong)&_start;
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debug("monitor flash len: %08lX\n", monitor_flash_len);
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board_init(); /* Setup chipselects */
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#if defined(CONFIG_NEEDS_MANUAL_RELOC)
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/*
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* We have to relocate the command table manually
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*/
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fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
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ll_entry_count(cmd_tbl_t, cmd));
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#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
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serial_initialize();
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debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
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/* The Malloc area is immediately below the monitor copy in DRAM */
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malloc_start = dest_addr - TOTAL_MALLOC_LEN;
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mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);
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#ifndef CONFIG_SYS_NO_FLASH
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/* configure available FLASH banks */
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gd->bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
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gd->bd->bi_flashsize = flash_init();
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gd->bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + gd->bd->bi_flashsize;
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if (gd->bd->bi_flashsize)
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display_flash_config(gd->bd->bi_flashsize);
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#endif /* CONFIG_SYS_NO_FLASH */
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#if defined(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_IDE)
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puts("IDE: ");
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ide_init();
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#endif
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#ifdef CONFIG_GENERIC_MMC
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puts("MMC: ");
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mmc_initialize(gd->bd);
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#endif
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#if defined(CONFIG_SYS_I2C_ADAPTERS)
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i2c_reloc_fixup();
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#endif
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/* initialize environment */
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env_relocate();
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#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
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puts("PCI: ");
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nds32_pci_init();
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#endif
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stdio_init(); /* get the devices list going. */
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jumptable_init();
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#if defined(CONFIG_API)
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/* Initialize API */
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api_init();
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#endif
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console_init_r(); /* fully init console as a device */
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#if defined(CONFIG_ARCH_MISC_INIT)
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/* miscellaneous arch dependent initialisations */
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arch_misc_init();
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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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#if defined(CONFIG_USE_IRQ)
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/* set up exceptions */
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interrupt_init();
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/* enable exceptions */
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enable_interrupts();
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#endif
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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_BOARD_LATE_INIT
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board_late_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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#if defined(CONFIG_RESET_PHY_R)
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debug("Reset Ethernet PHY\n");
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reset_phy();
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#endif
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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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