All the M68000 boards have switched to Generic Board. This file is no longer necessary. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Huan Wang <alison.wang@freescale.com> Cc: Angelo Dureghello <angelo@sysam.it> Reviewed-by: Simon Glass <sjg@chromium.org>master
Masahiro Yamada
10 years ago
committed by
Tom Rini
parent
0a9e7ee5bd
commit
6eb6f132e6
@ -1,642 +0,0 @@ |
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/*
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* (C) Copyright 2003 |
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* Josef Baumgartner <josef.baumgartner@telex.de> |
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* |
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* (C) Copyright 2000-2002 |
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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 <watchdog.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 <linux/compiler.h> |
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#include <asm/immap.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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#if defined(CONFIG_CMD_SCSI) |
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#include <scsi.h> |
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#endif |
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#if defined(CONFIG_CMD_KGDB) |
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#include <kgdb.h> |
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#endif |
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#ifdef CONFIG_STATUS_LED |
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#include <status_led.h> |
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#endif |
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#include <net.h> |
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#include <serial.h> |
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#ifdef CONFIG_SYS_ALLOC_DPRAM |
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#include <commproc.h> |
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#endif |
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#include <version.h> |
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#if defined(CONFIG_HARD_I2C) || \ |
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defined(CONFIG_SYS_I2C) |
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#include <i2c.h> |
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#endif |
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#ifdef CONFIG_CMD_SPI |
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#include <spi.h> |
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#endif |
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#ifdef CONFIG_BITBANGMII |
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#include <miiphy.h> |
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#endif |
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#include <nand.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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static char *failed = "*** failed ***\n"; |
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#include <environment.h> |
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extern ulong __init_end; |
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extern ulong __bss_end; |
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#if defined(CONFIG_WATCHDOG) |
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# undef INIT_FUNC_WATCHDOG_INIT |
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# define INIT_FUNC_WATCHDOG_INIT watchdog_init, |
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# define WATCHDOG_DISABLE watchdog_disable |
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extern int watchdog_init(void); |
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extern int watchdog_disable(void); |
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#else |
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# define INIT_FUNC_WATCHDOG_INIT /* undef */ |
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# define WATCHDOG_DISABLE /* undef */ |
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#endif /* CONFIG_WATCHDOG */ |
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ulong monitor_flash_len; |
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/************************************************************************
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* Utilities * |
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************************************************************************ |
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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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/************************************************************************
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* Init Utilities |
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************************************************************************ |
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* Some of this code should be moved into the core functions, |
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* but let's get it working (again) first... |
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*/ |
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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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static int init_func_ram (void) |
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{ |
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int board_type = 0; /* use dummy arg */ |
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puts ("DRAM: "); |
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if ((gd->ram_size = initdram (board_type)) > 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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/***********************************************************************/ |
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#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) |
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static int init_func_i2c (void) |
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{ |
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puts ("I2C: "); |
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#ifdef CONFIG_SYS_I2C |
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i2c_init_all(); |
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#else |
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i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
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#endif |
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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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#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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/***********************************************************************/ |
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/************************************************************************
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* Initialization sequence * |
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************************************************************************ |
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*/ |
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init_fnc_t *init_sequence[] = { |
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get_clocks, |
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env_init, |
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init_baudrate, |
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serial_init, |
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console_init_f, |
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display_options, |
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checkcpu, |
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checkboard, |
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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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#if defined(CONFIG_HARD_SPI) |
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init_func_spi, |
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#endif |
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init_func_ram, |
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#if defined(CONFIG_SYS_DRAM_TEST) |
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testdram, |
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#endif /* CONFIG_SYS_DRAM_TEST */ |
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INIT_FUNC_WATCHDOG_INIT |
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NULL, /* Terminate this list */ |
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}; |
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/************************************************************************
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* |
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* This is the first part of the initialization sequence that is |
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* implemented in C, but still running from ROM. |
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* |
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* The main purpose is to provide a (serial) console interface as |
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* soon as possible (so we can see any error messages), and to |
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* initialize the RAM so that we can relocate the monitor code to |
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* RAM. |
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* |
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* Be aware of the restrictions: global data is read-only, BSS is not |
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* initialized, and stack space is limited to a few kB. |
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* |
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************************************************************************ |
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*/ |
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void |
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board_init_f (ulong bootflag) |
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{ |
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bd_t *bd; |
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ulong len, addr, addr_sp; |
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ulong *paddr; |
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gd_t *id; |
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init_fnc_t **init_fnc_ptr; |
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#ifdef CONFIG_PRAM |
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ulong reg; |
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#endif |
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/* Pointer is writable since we allocated a register for it */ |
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gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
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/* compiler optimization barrier needed for GCC >= 3.4 */ |
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__asm__ __volatile__("": : :"memory"); |
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/* Clear initial global data */ |
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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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/*
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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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* Reserve memory at end of RAM for (top down in that order): |
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* - protected RAM |
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* - LCD framebuffer |
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* - monitor code |
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* - board info struct |
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*/ |
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len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE; |
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addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; |
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#ifdef CONFIG_LOGBUFFER |
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/* reserve kernel log buffer */ |
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addr -= (LOGBUFF_RESERVE); |
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debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr); |
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#endif |
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#ifdef CONFIG_PRAM |
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/*
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* reserve protected RAM |
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*/ |
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reg = getenv_ulong("pram", 10, CONFIG_PRAM); |
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addr -= (reg << 10); /* size is in kB */ |
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debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); |
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#endif /* CONFIG_PRAM */ |
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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 -= len; |
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addr &= ~(4096 - 1); |
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debug ("Reserving %ldk for U-Boot at: %08lx\n", 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 -= 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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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 parameters 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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paddr = (ulong *)addr_sp; |
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*paddr-- = 0; |
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*paddr-- = 0; |
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addr_sp = (ulong)paddr; |
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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 memory */ |
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bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */ |
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#ifdef CONFIG_SYS_INIT_RAM_ADDR |
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bd->bi_sramstart = CONFIG_SYS_INIT_RAM_ADDR; /* start of SRAM memory */ |
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bd->bi_sramsize = CONFIG_SYS_INIT_RAM_SIZE; /* size of SRAM memory */ |
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#endif |
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bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
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bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ |
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WATCHDOG_RESET (); |
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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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#ifdef CONFIG_PCI |
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bd->bi_pcifreq = gd->pci_clk; /* PCI Freq in Hz */ |
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#endif |
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#ifdef CONFIG_EXTRA_CLOCK |
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bd->bi_inpfreq = gd->arch.inp_clk; /* input Freq in Hz */ |
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bd->bi_vcofreq = gd->arch.vco_clk; /* vco Freq in Hz */ |
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bd->bi_flbfreq = gd->arch.flb_clk; /* flexbus Freq in Hz */ |
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#endif |
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#ifdef CONFIG_SYS_EXTBDINFO |
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strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version)); |
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strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version)); |
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#endif |
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WATCHDOG_RESET (); |
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#ifdef CONFIG_POST |
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post_bootmode_init(); |
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post_run (NULL, POST_ROM | post_bootmode_get(0)); |
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#endif |
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WATCHDOG_RESET(); |
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memcpy (id, (void *)gd, sizeof (gd_t)); |
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debug ("Start relocate of code from %08x to %08lx\n", CONFIG_SYS_MONITOR_BASE, addr); |
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relocate_code (addr_sp, id, addr); |
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/* NOTREACHED - jump_to_ram() does not return */ |
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} |
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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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************************************************************************ |
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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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char *s __maybe_unused; |
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bd_t *bd; |
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#ifndef CONFIG_ENV_IS_NOWHERE |
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extern char * env_name_spec; |
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#endif |
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#ifndef CONFIG_SYS_NO_FLASH |
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ulong flash_size; |
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#endif |
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gd = id; /* initialize RAM version of global data */ |
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bd = gd->bd; |
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gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
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WATCHDOG_RESET (); |
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gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE; |
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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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monitor_flash_len = (ulong)&__init_end - dest_addr; |
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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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/* there are some other pointer constants we must deal with */ |
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#ifndef CONFIG_ENV_IS_NOWHERE |
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env_name_spec += gd->reloc_off; |
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#endif |
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WATCHDOG_RESET (); |
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#ifdef CONFIG_LOGBUFFER |
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logbuff_init_ptrs (); |
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#endif |
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#ifdef CONFIG_POST |
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post_output_backlog (); |
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post_reloc (); |
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#endif |
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WATCHDOG_RESET(); |
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#if 0 |
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/* instruction cache enabled in cpu_init_f() for faster relocation */ |
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icache_enable (); /* it's time to enable the instruction cache */ |
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#endif |
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/*
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* Setup trap handlers |
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*/ |
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trap_init (CONFIG_SYS_SDRAM_BASE); |
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/* The Malloc area is immediately below the monitor copy in DRAM */ |
|
||||||
mem_malloc_init (CONFIG_SYS_MONITOR_BASE + gd->reloc_off - |
|
||||||
TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN); |
|
||||||
|
|
||||||
#if !defined(CONFIG_SYS_NO_FLASH) |
|
||||||
puts ("Flash: "); |
|
||||||
|
|
||||||
if ((flash_size = flash_init ()) > 0) { |
|
||||||
# ifdef CONFIG_SYS_FLASH_CHECKSUM |
|
||||||
print_size (flash_size, ""); |
|
||||||
/*
|
|
||||||
* Compute and print flash CRC if flashchecksum is set to 'y' |
|
||||||
* |
|
||||||
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
|
||||||
*/ |
|
||||||
if (getenv_yesno("flashchecksum") == 1) { |
|
||||||
printf (" CRC: %08X", |
|
||||||
crc32 (0, |
|
||||||
(const unsigned char *) CONFIG_SYS_FLASH_BASE, |
|
||||||
flash_size) |
|
||||||
); |
|
||||||
} |
|
||||||
putc ('\n'); |
|
||||||
# else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
|
||||||
print_size (flash_size, "\n"); |
|
||||||
# endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
|
||||||
} else { |
|
||||||
puts (failed); |
|
||||||
hang (); |
|
||||||
} |
|
||||||
|
|
||||||
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */ |
|
||||||
bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */ |
|
||||||
bd->bi_flashoffset = 0; |
|
||||||
#else /* CONFIG_SYS_NO_FLASH */ |
|
||||||
bd->bi_flashsize = 0; |
|
||||||
bd->bi_flashstart = 0; |
|
||||||
bd->bi_flashoffset = 0; |
|
||||||
#endif /* !CONFIG_SYS_NO_FLASH */ |
|
||||||
|
|
||||||
WATCHDOG_RESET (); |
|
||||||
|
|
||||||
/* initialize higher level parts of CPU like time base and timers */ |
|
||||||
cpu_init_r (); |
|
||||||
|
|
||||||
WATCHDOG_RESET (); |
|
||||||
|
|
||||||
#ifdef CONFIG_SPI |
|
||||||
# if !defined(CONFIG_ENV_IS_IN_EEPROM) |
|
||||||
spi_init_f (); |
|
||||||
# endif |
|
||||||
spi_init_r (); |
|
||||||
#endif |
|
||||||
|
|
||||||
#if defined(CONFIG_SYS_I2C) |
|
||||||
/* Adjust I2C subsystem pointers after relocation */ |
|
||||||
i2c_reloc_fixup(); |
|
||||||
#endif |
|
||||||
|
|
||||||
/* relocate environment function pointers etc. */ |
|
||||||
env_relocate (); |
|
||||||
|
|
||||||
WATCHDOG_RESET (); |
|
||||||
|
|
||||||
#if defined(CONFIG_PCI) |
|
||||||
/*
|
|
||||||
* Do pci configuration |
|
||||||
*/ |
|
||||||
pci_init (); |
|
||||||
#endif |
|
||||||
|
|
||||||
/** leave this here (after malloc(), environment and PCI are working) **/ |
|
||||||
/* Initialize stdio devices */ |
|
||||||
stdio_init (); |
|
||||||
|
|
||||||
/* Initialize the jump table for applications */ |
|
||||||
jumptable_init (); |
|
||||||
|
|
||||||
/* Initialize the console (after the relocation and devices init) */ |
|
||||||
console_init_r (); |
|
||||||
|
|
||||||
#if defined(CONFIG_MISC_INIT_R) |
|
||||||
/* miscellaneous platform dependent initialisations */ |
|
||||||
misc_init_r (); |
|
||||||
#endif |
|
||||||
|
|
||||||
#if defined(CONFIG_CMD_KGDB) |
|
||||||
WATCHDOG_RESET (); |
|
||||||
puts ("KGDB: "); |
|
||||||
kgdb_init (); |
|
||||||
#endif |
|
||||||
|
|
||||||
debug ("U-Boot relocated to %08lx\n", dest_addr); |
|
||||||
|
|
||||||
/*
|
|
||||||
* Enable Interrupts |
|
||||||
*/ |
|
||||||
interrupt_init (); |
|
||||||
|
|
||||||
/* Must happen after interrupts are initialized since
|
|
||||||
* an irq handler gets installed |
|
||||||
*/ |
|
||||||
timer_init(); |
|
||||||
|
|
||||||
#ifdef CONFIG_STATUS_LED |
|
||||||
status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); |
|
||||||
#endif |
|
||||||
|
|
||||||
udelay (20); |
|
||||||
|
|
||||||
/* Insert function pointers now that we have relocated the code */ |
|
||||||
|
|
||||||
/* Initialize from environment */ |
|
||||||
load_addr = getenv_ulong("loadaddr", 16, load_addr); |
|
||||||
|
|
||||||
WATCHDOG_RESET (); |
|
||||||
|
|
||||||
#if defined(CONFIG_CMD_DOC) |
|
||||||
WATCHDOG_RESET (); |
|
||||||
puts ("DOC: "); |
|
||||||
doc_init (); |
|
||||||
#endif |
|
||||||
|
|
||||||
#if defined(CONFIG_CMD_NAND) |
|
||||||
WATCHDOG_RESET (); |
|
||||||
puts ("NAND: "); |
|
||||||
nand_init(); /* go init the NAND */ |
|
||||||
#endif |
|
||||||
|
|
||||||
#ifdef CONFIG_BITBANGMII |
|
||||||
bb_miiphy_init(); |
|
||||||
#endif |
|
||||||
#if defined(CONFIG_CMD_NET) |
|
||||||
WATCHDOG_RESET(); |
|
||||||
#if defined(FEC_ENET) |
|
||||||
eth_init(bd); |
|
||||||
#endif |
|
||||||
puts ("Net: "); |
|
||||||
eth_initialize (bd); |
|
||||||
#endif |
|
||||||
|
|
||||||
#ifdef CONFIG_POST |
|
||||||
post_run (NULL, POST_RAM | post_bootmode_get(0)); |
|
||||||
#endif |
|
||||||
|
|
||||||
#if defined(CONFIG_CMD_PCMCIA) \ |
|
||||||
&& !defined(CONFIG_CMD_IDE) |
|
||||||
WATCHDOG_RESET (); |
|
||||||
puts ("PCMCIA:"); |
|
||||||
pcmcia_init (); |
|
||||||
#endif |
|
||||||
|
|
||||||
#if defined(CONFIG_CMD_IDE) |
|
||||||
WATCHDOG_RESET (); |
|
||||||
puts ("IDE: "); |
|
||||||
ide_init (); |
|
||||||
#endif |
|
||||||
|
|
||||||
#ifdef CONFIG_LAST_STAGE_INIT |
|
||||||
WATCHDOG_RESET (); |
|
||||||
/*
|
|
||||||
* Some parts can be only initialized if all others (like |
|
||||||
* Interrupts) are up and running (i.e. the PC-style ISA |
|
||||||
* keyboard). |
|
||||||
*/ |
|
||||||
last_stage_init (); |
|
||||||
#endif |
|
||||||
|
|
||||||
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
|
||||||
/*
|
|
||||||
* Export available size of memory for Linux, |
|
||||||
* taking into account the protected RAM at top of memory |
|
||||||
*/ |
|
||||||
{ |
|
||||||
ulong pram = 0; |
|
||||||
char memsz[32]; |
|
||||||
|
|
||||||
#ifdef CONFIG_PRAM |
|
||||||
pram = getenv_ulong("pram", 10, CONFIG_PRAM); |
|
||||||
#endif |
|
||||||
#ifdef CONFIG_LOGBUFFER |
|
||||||
/* Also take the logbuffer into account (pram is in kB) */ |
|
||||||
pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024; |
|
||||||
#endif |
|
||||||
sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram); |
|
||||||
setenv ("mem", memsz); |
|
||||||
} |
|
||||||
#endif |
|
||||||
|
|
||||||
#ifdef CONFIG_WATCHDOG |
|
||||||
/* disable watchdog if environment is set */ |
|
||||||
if ((s = getenv ("watchdog")) != NULL) { |
|
||||||
if (strncmp (s, "off", 3) == 0) { |
|
||||||
WATCHDOG_DISABLE (); |
|
||||||
} |
|
||||||
} |
|
||||||
#endif /* CONFIG_WATCHDOG*/ |
|
||||||
|
|
||||||
|
|
||||||
/* Initialization complete - start the monitor */ |
|
||||||
|
|
||||||
/* main_loop() can return to retry autoboot, if so just run it again. */ |
|
||||||
for (;;) { |
|
||||||
WATCHDOG_RESET (); |
|
||||||
main_loop (); |
|
||||||
} |
|
||||||
|
|
||||||
/* NOTREACHED - no way out of command loop except booting */ |
|
||||||
} |
|
||||||
Loading…
Reference in new issue