[U-Boot] [PATCH v2 3/7] m68k: remove arch/m68k/lib/board.c

Masahiro Yamada yamada.masahiro at socionext.com
Tue Mar 17 04:35:09 CET 2015


All the M68000 boards have switched to Generic Board.
This file is no longer necessary.

Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
Cc: Huan Wang <alison.wang at freescale.com>
Cc: Angelo Dureghello <angelo at sysam.it>
---

Changes in v2: None

 arch/m68k/lib/Makefile |   3 -
 arch/m68k/lib/board.c  | 642 -------------------------------------------------
 2 files changed, 645 deletions(-)
 delete mode 100644 arch/m68k/lib/board.c

diff --git a/arch/m68k/lib/Makefile b/arch/m68k/lib/Makefile
index d0e1a84..73d40bd 100644
--- a/arch/m68k/lib/Makefile
+++ b/arch/m68k/lib/Makefile
@@ -5,9 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifndef CONFIG_SYS_GENERIC_BOARD
-obj-y   += board.o
-endif
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
 obj-y	+= cache.o
 obj-y	+= interrupts.o
diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c
deleted file mode 100644
index 9caff73..0000000
--- a/arch/m68k/lib/board.c
+++ /dev/null
@@ -1,642 +0,0 @@
-/*
- * (C) Copyright 2003
- * Josef Baumgartner <josef.baumgartner at telex.de>
- *
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <command.h>
-#include <malloc.h>
-#include <stdio_dev.h>
-#include <linux/compiler.h>
-
-#include <asm/immap.h>
-
-#if defined(CONFIG_CMD_IDE)
-#include <ide.h>
-#endif
-#if defined(CONFIG_CMD_SCSI)
-#include <scsi.h>
-#endif
-#if defined(CONFIG_CMD_KGDB)
-#include <kgdb.h>
-#endif
-#ifdef CONFIG_STATUS_LED
-#include <status_led.h>
-#endif
-#include <net.h>
-#include <serial.h>
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-#include <commproc.h>
-#endif
-#include <version.h>
-
-#if defined(CONFIG_HARD_I2C) || \
-	defined(CONFIG_SYS_I2C)
-#include <i2c.h>
-#endif
-
-#ifdef CONFIG_CMD_SPI
-#include <spi.h>
-#endif
-
-#ifdef CONFIG_BITBANGMII
-#include <miiphy.h>
-#endif
-
-#include <nand.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static char *failed = "*** failed ***\n";
-
-#include <environment.h>
-
-extern ulong __init_end;
-extern ulong __bss_end;
-
-#if defined(CONFIG_WATCHDOG)
-# undef INIT_FUNC_WATCHDOG_INIT
-# define INIT_FUNC_WATCHDOG_INIT	watchdog_init,
-# define WATCHDOG_DISABLE		watchdog_disable
-
-extern int watchdog_init(void);
-extern int watchdog_disable(void);
-#else
-# define INIT_FUNC_WATCHDOG_INIT	/* undef */
-# define WATCHDOG_DISABLE		/* undef */
-#endif /* CONFIG_WATCHDOG */
-
-ulong monitor_flash_len;
-
-/************************************************************************
- * Utilities								*
- ************************************************************************
- */
-
-/*
- * All attempts to come up with a "common" initialization sequence
- * that works for all boards and architectures failed: some of the
- * requirements are just _too_ different. To get rid of the resulting
- * mess of board dependend #ifdef'ed code we now make the whole
- * initialization sequence configurable to the user.
- *
- * The requirements for any new initalization function is simple: it
- * receives a pointer to the "global data" structure as it's only
- * argument, and returns an integer return code, where 0 means
- * "continue" and != 0 means "fatal error, hang the system".
- */
-typedef int (init_fnc_t) (void);
-
-/************************************************************************
- * Init Utilities
- ************************************************************************
- * Some of this code should be moved into the core functions,
- * but let's get it working (again) first...
- */
-
-static int init_baudrate (void)
-{
-	gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
-	return 0;
-}
-
-/***********************************************************************/
-
-static int init_func_ram (void)
-{
-	int board_type = 0;	/* use dummy arg */
-	puts ("DRAM:  ");
-
-	if ((gd->ram_size = initdram (board_type)) > 0) {
-		print_size (gd->ram_size, "\n");
-		return (0);
-	}
-	puts (failed);
-	return (1);
-}
-
-/***********************************************************************/
-
-#if defined(CONFIG_HARD_I2C) ||	defined(CONFIG_SYS_I2C)
-static int init_func_i2c (void)
-{
-	puts ("I2C:   ");
-#ifdef CONFIG_SYS_I2C
-	i2c_init_all();
-#else
-	i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-#endif
-	puts ("ready\n");
-	return (0);
-}
-#endif
-
-#if defined(CONFIG_HARD_SPI)
-static int init_func_spi (void)
-{
-	puts ("SPI:   ");
-	spi_init ();
-	puts ("ready\n");
-	return (0);
-}
-#endif
-
-/***********************************************************************/
-
-/************************************************************************
- * Initialization sequence						*
- ************************************************************************
- */
-
-init_fnc_t *init_sequence[] = {
-	get_clocks,
-	env_init,
-	init_baudrate,
-	serial_init,
-	console_init_f,
-	display_options,
-	checkcpu,
-	checkboard,
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
-	init_func_i2c,
-#endif
-#if defined(CONFIG_HARD_SPI)
-	init_func_spi,
-#endif
-	init_func_ram,
-#if defined(CONFIG_SYS_DRAM_TEST)
-	testdram,
-#endif /* CONFIG_SYS_DRAM_TEST */
-	INIT_FUNC_WATCHDOG_INIT
-	NULL,			/* Terminate this list */
-};
-
-
-/************************************************************************
- *
- * This is the first part of the initialization sequence that is
- * implemented in C, but still running from ROM.
- *
- * The main purpose is to provide a (serial) console interface as
- * soon as possible (so we can see any error messages), and to
- * initialize the RAM so that we can relocate the monitor code to
- * RAM.
- *
- * Be aware of the restrictions: global data is read-only, BSS is not
- * initialized, and stack space is limited to a few kB.
- *
- ************************************************************************
- */
-
-void
-board_init_f (ulong bootflag)
-{
-	bd_t *bd;
-	ulong len, addr, addr_sp;
-	ulong *paddr;
-	gd_t *id;
-	init_fnc_t **init_fnc_ptr;
-#ifdef CONFIG_PRAM
-	ulong reg;
-#endif
-
-	/* Pointer is writable since we allocated a register for it */
-	gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
-	/* compiler optimization barrier needed for GCC >= 3.4 */
-	__asm__ __volatile__("": : :"memory");
-
-	/* Clear initial global data */
-	memset ((void *) gd, 0, sizeof (gd_t));
-
-	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
-		if ((*init_fnc_ptr)() != 0) {
-			hang ();
-		}
-	}
-
-	/*
-	 * Now that we have DRAM mapped and working, we can
-	 * relocate the code and continue running from DRAM.
-	 *
-	 * Reserve memory at end of RAM for (top down in that order):
-	 *	- protected RAM
-	 *	- LCD framebuffer
-	 *	- monitor code
-	 *	- board info struct
-	 */
-	len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
-
-	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
-
-#ifdef CONFIG_LOGBUFFER
-	/* reserve kernel log buffer */
-	addr -= (LOGBUFF_RESERVE);
-	debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
-#endif
-
-#ifdef CONFIG_PRAM
-	/*
-	 * reserve protected RAM
-	 */
-	reg = getenv_ulong("pram", 10, CONFIG_PRAM);
-	addr -= (reg << 10);		/* size is in kB */
-	debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
-#endif /* CONFIG_PRAM */
-
-	/* round down to next 4 kB limit */
-	addr &= ~(4096 - 1);
-	debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
-
-#ifdef CONFIG_LCD
-#ifdef CONFIG_FB_ADDR
-	gd->fb_base = CONFIG_FB_ADDR;
-#else
-	/* reserve memory for LCD display (always full pages) */
-	addr = lcd_setmem (addr);
-	gd->fb_base = addr;
-#endif /* CONFIG_FB_ADDR */
-#endif /* CONFIG_LCD */
-
-	/*
-	 * reserve memory for U-Boot code, data & bss
-	 * round down to next 4 kB limit
-	 */
-	addr -= len;
-	addr &= ~(4096 - 1);
-
-	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
-
-	/*
-	 * reserve memory for malloc() arena
-	 */
-	addr_sp = addr - TOTAL_MALLOC_LEN;
-	debug ("Reserving %dk for malloc() at: %08lx\n",
-			TOTAL_MALLOC_LEN >> 10, addr_sp);
-
-	/*
-	 * (permanently) allocate a Board Info struct
-	 * and a permanent copy of the "global" data
-	 */
-	addr_sp -= sizeof (bd_t);
-	bd = (bd_t *) addr_sp;
-	gd->bd = bd;
-	debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
-			sizeof (bd_t), addr_sp);
-	addr_sp -= sizeof (gd_t);
-	id = (gd_t *) addr_sp;
-	debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
-			sizeof (gd_t), addr_sp);
-
-	/* Reserve memory for boot params. */
-	addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
-	bd->bi_boot_params = addr_sp;
-	debug ("Reserving %dk for boot parameters at: %08lx\n",
-			CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
-
-	/*
-	 * Finally, we set up a new (bigger) stack.
-	 *
-	 * Leave some safety gap for SP, force alignment on 16 byte boundary
-	 * Clear initial stack frame
-	 */
-	addr_sp -= 16;
-	addr_sp &= ~0xF;
-
-	paddr = (ulong *)addr_sp;
-	*paddr-- = 0;
-	*paddr-- = 0;
-	addr_sp = (ulong)paddr;
-
-	debug ("Stack Pointer at: %08lx\n", addr_sp);
-
-	/*
-	 * Save local variables to board info struct
-	 */
-	bd->bi_memstart  = CONFIG_SYS_SDRAM_BASE;	/* start of  DRAM memory      */
-	bd->bi_memsize   = gd->ram_size;	/* size  of  DRAM memory in bytes */
-#ifdef CONFIG_SYS_INIT_RAM_ADDR
-	bd->bi_sramstart = CONFIG_SYS_INIT_RAM_ADDR;	/* start of  SRAM memory	*/
-	bd->bi_sramsize  = CONFIG_SYS_INIT_RAM_SIZE;	/* size  of  SRAM memory	*/
-#endif
-	bd->bi_mbar_base = CONFIG_SYS_MBAR;		/* base of internal registers */
-
-	bd->bi_bootflags = bootflag;		/* boot / reboot flag (for LynxOS)    */
-
-	WATCHDOG_RESET ();
-	bd->bi_intfreq = gd->cpu_clk;	/* Internal Freq, in Hz */
-	bd->bi_busfreq = gd->bus_clk;	/* Bus Freq,      in Hz */
-#ifdef CONFIG_PCI
-	bd->bi_pcifreq = gd->pci_clk;		/* PCI Freq in Hz */
-#endif
-#ifdef CONFIG_EXTRA_CLOCK
-	bd->bi_inpfreq = gd->arch.inp_clk;		/* input Freq in Hz */
-	bd->bi_vcofreq = gd->arch.vco_clk;		/* vco Freq in Hz */
-	bd->bi_flbfreq = gd->arch.flb_clk;		/* flexbus Freq in Hz */
-#endif
-
-#ifdef CONFIG_SYS_EXTBDINFO
-	strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
-	strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
-#endif
-
-	WATCHDOG_RESET ();
-
-#ifdef CONFIG_POST
-	post_bootmode_init();
-	post_run (NULL, POST_ROM | post_bootmode_get(0));
-#endif
-
-	WATCHDOG_RESET();
-
-	memcpy (id, (void *)gd, sizeof (gd_t));
-
-	debug ("Start relocate of code from %08x to %08lx\n", CONFIG_SYS_MONITOR_BASE, addr);
-	relocate_code (addr_sp, id, addr);
-
-	/* NOTREACHED - jump_to_ram() does not return */
-}
-
-/************************************************************************
- *
- * This is the next part if the initialization sequence: we are now
- * running from RAM and have a "normal" C environment, i. e. global
- * data can be written, BSS has been cleared, the stack size in not
- * that critical any more, etc.
- *
- ************************************************************************
- */
-void board_init_r (gd_t *id, ulong dest_addr)
-{
-	char *s __maybe_unused;
-	bd_t *bd;
-
-#ifndef CONFIG_ENV_IS_NOWHERE
-	extern char * env_name_spec;
-#endif
-#ifndef CONFIG_SYS_NO_FLASH
-	ulong flash_size;
-#endif
-	gd = id;		/* initialize RAM version of global data */
-	bd = gd->bd;
-
-	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
-
-	WATCHDOG_RESET ();
-
-	gd->reloc_off =  dest_addr - CONFIG_SYS_MONITOR_BASE;
-
-	serial_initialize();
-
-	debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
-
-	monitor_flash_len = (ulong)&__init_end - dest_addr;
-
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-	/*
-	 * We have to relocate the command table manually
-	 */
-	fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
-			ll_entry_count(cmd_tbl_t, cmd));
-#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
-
-	/* there are some other pointer constants we must deal with */
-#ifndef CONFIG_ENV_IS_NOWHERE
-	env_name_spec += gd->reloc_off;
-#endif
-
-	WATCHDOG_RESET ();
-
-#ifdef CONFIG_LOGBUFFER
-	logbuff_init_ptrs ();
-#endif
-#ifdef CONFIG_POST
-	post_output_backlog ();
-	post_reloc ();
-#endif
-	WATCHDOG_RESET();
-
-#if 0
-	/* instruction cache enabled in cpu_init_f() for faster relocation */
-	icache_enable ();	/* it's time to enable the instruction cache */
-#endif
-
-	/*
-	 * Setup trap handlers
-	 */
-	trap_init (CONFIG_SYS_SDRAM_BASE);
-
-	/* 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 */
-}
-- 
1.9.1



More information about the U-Boot mailing list