diff options
Diffstat (limited to 'arch/m68k')
-rw-r--r-- | arch/m68k/Kconfig | 129 | ||||
-rw-r--r-- | arch/m68k/Makefile | 29 | ||||
-rw-r--r-- | arch/m68k/config.mk | 3 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf5227x/config.mk | 10 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf523x/config.mk | 10 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/config.mk | 39 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf530x/config.mk | 12 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf532x/config.mk | 19 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf5445x/config.mk | 25 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf547x_8x/config.mk | 16 | ||||
-rw-r--r-- | arch/m68k/include/asm/config.h | 1 | ||||
-rw-r--r-- | arch/m68k/lib/Makefile | 3 | ||||
-rw-r--r-- | arch/m68k/lib/board.c | 642 |
13 files changed, 158 insertions, 780 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 53c4aab..69cb0f7 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -4,71 +4,200 @@ menu "M68000 architecture" config SYS_ARCH default "m68k" +# processor family +config MCF520x + bool + +config MCF52x2 + bool + +config MCF523x + bool + +config MCF530x + bool + +config MCF5301x + bool + +config MCF532x + bool + +config MCF537x + bool + +config MCF5441x + bool + +config MCF5445x + bool + +config MCF5227x + bool + +config MCF547x_8x + bool + +# processor type +config M5208 + bool + select MCF520x + +config M5235 + bool + select MCF523x + +config M5249 + bool + select MCF52x2 + +config M5253 + bool + select MCF52x2 + +config M5271 + bool + select MCF52x2 + +config M5272 + bool + select MCF52x2 + +config M5275 + bool + select MCF52x2 + +config M5282 + bool + select MCF52x2 + +config M5307 + bool + select MCF530x + +config M53015 + bool + select MCF5301x + +config M5329 + bool + select MCF532x + +config M5373 + bool + select MCF532x + select MCF537x + +config M54418 + bool + select MCF5441x + +config M54451 + bool + select MCF5445x + +config M54455 + bool + select MCF5445x + +config M52277 + bool + select MCF5227x + +config M547x + bool + select MCF547x_8x + +config M548x + bool + select MCF547x_8x + choice prompt "Target select" config TARGET_M52277EVB bool "Support M52277EVB" + select M52277 config TARGET_M5235EVB bool "Support M5235EVB" + select M5235 config TARGET_COBRA5272 bool "Support cobra5272" + select M5272 config TARGET_EB_CPU5282 bool "Support eb_cpu5282" + select M5282 config TARGET_M5208EVBE bool "Support M5208EVBE" + select M5208 config TARGET_M5249EVB bool "Support M5249EVB" + select M5249 config TARGET_M5253DEMO bool "Support M5253DEMO" + select M5253 config TARGET_M5253EVBE bool "Support M5253EVBE" + select M5253 config TARGET_M5272C3 bool "Support M5272C3" + select M5272 config TARGET_M5275EVB bool "Support M5275EVB" + select M5275 config TARGET_M5282EVB bool "Support M5282EVB" + select M5282 config TARGET_ASTRO_MCF5373L bool "Support astro_mcf5373l" + select M5373 config TARGET_M53017EVB bool "Support M53017EVB" + select M53015 config TARGET_M5329EVB bool "Support M5329EVB" + select M5329 config TARGET_M5373EVB bool "Support M5373EVB" + select M5373 config TARGET_M54418TWR bool "Support M54418TWR" + select M54418 config TARGET_M54451EVB bool "Support M54451EVB" + select M54451 config TARGET_M54455EVB bool "Support M54455EVB" + select M54455 config TARGET_M5475EVB bool "Support M5475EVB" + select M547x config TARGET_M5485EVB bool "Support M5485EVB" + select M548x config TARGET_AMCORE bool "Support AMCORE" + select M5307 endchoice diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index aa3d2fa..e6f3b48 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -6,3 +6,32 @@ head-y := arch/m68k/cpu/$(CPU)/start.o libs-y += arch/m68k/cpu/$(CPU)/ libs-y += arch/m68k/lib/ + +cpuflags-$(CONFIG_M5208) := -mcpu=5208 +cpuflags-$(CONFIG_M5235) := -mcpu=5235 -fPIC +cpuflags-$(CONFIG_M52277) := -mcpu=52277 -fPIC +cpuflags-$(CONFIG_M5249) := -mcpu=5249 +cpuflags-$(CONFIG_M5253) := -mcpu=5253 +cpuflags-$(CONFIG_M5271) := -mcpu=5271 +cpuflags-$(CONFIG_M5272) := -mcpu=5272 +cpuflags-$(CONFIG_M5275) := -mcpu=5275 +cpuflags-$(CONFIG_M5282) := -mcpu=5282 +cpuflags-$(CONFIG_M5307) := -mcpu=5307 +cpuflags-$(CONFIG_MCF5301x) := -mcpu=53015 -fPIC +cpuflags-$(CONFIG_MCF532x) := -mcpu=5329 -fPIC +cpuflags-$(CONFIG_MCF5441x) := -mcpu=54418 -fPIC +cpuflags-$(CONFIG_MCF5445x) := -mcpu=54455 -fPIC +cpuflags-$(CONFIG_MCF547x_8x) := -mcpu=5485 -fPIC + +PLATFORM_CPPFLAGS += $(cpuflags-y) + + +ldflags-$(CONFIG_MCF5441x) := --got=single +ldflags-$(CONFIG_MCF5445x) := --got=single +ldflags-$(CONFIG_MCF547x_8x) := --got=single + +ifneq (,$(findstring -linux-,$(shell $(CC) --version))) +ifneq (,$(findstring GOT,$(shell $(LD) --help))) +PLATFORM_LDFLAGS += $(ldflags-y) +endif +endif diff --git a/arch/m68k/config.mk b/arch/m68k/config.mk index a629b68..3b3a7e8 100644 --- a/arch/m68k/config.mk +++ b/arch/m68k/config.mk @@ -11,9 +11,6 @@ endif CONFIG_STANDALONE_LOAD_ADDR ?= 0x20000 -# Support generic board on m68k -__HAVE_ARCH_GENERIC_BOARD := y - PLATFORM_CPPFLAGS += -D__M68K__ PLATFORM_LDFLAGS += -n PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections diff --git a/arch/m68k/cpu/mcf5227x/config.mk b/arch/m68k/cpu/mcf5227x/config.mk deleted file mode 100644 index b5c26e4..0000000 --- a/arch/m68k/cpu/mcf5227x/config.mk +++ /dev/null @@ -1,10 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -PLATFORM_CPPFLAGS += -mcpu=52277 -fPIC diff --git a/arch/m68k/cpu/mcf523x/config.mk b/arch/m68k/cpu/mcf523x/config.mk deleted file mode 100644 index c9435ab..0000000 --- a/arch/m68k/cpu/mcf523x/config.mk +++ /dev/null @@ -1,10 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -PLATFORM_CPPFLAGS += -mcpu=5235 -fPIC diff --git a/arch/m68k/cpu/mcf52x2/config.mk b/arch/m68k/cpu/mcf52x2/config.mk deleted file mode 100644 index f66000b..0000000 --- a/arch/m68k/cpu/mcf52x2/config.mk +++ /dev/null @@ -1,39 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -cfg=$(srctree)/include/configs/$(CONFIG_SYS_CONFIG_NAME:"%"=%).h -is5208:=$(shell grep CONFIG_M5208 $(cfg)) -is5249:=$(shell grep CONFIG_M5249 $(cfg)) -is5253:=$(shell grep CONFIG_M5253 $(cfg)) -is5271:=$(shell grep CONFIG_M5271 $(cfg)) -is5272:=$(shell grep CONFIG_M5272 $(cfg)) -is5275:=$(shell grep CONFIG_M5275 $(cfg)) -is5282:=$(shell grep CONFIG_M5282 $(cfg)) - -ifneq (,$(findstring CONFIG_M5208,$(is5208))) -PLATFORM_CPPFLAGS += -mcpu=5208 -endif -ifneq (,$(findstring CONFIG_M5249,$(is5249))) -PLATFORM_CPPFLAGS += -mcpu=5249 -endif -ifneq (,$(findstring CONFIG_M5253,$(is5253))) -PLATFORM_CPPFLAGS += -mcpu=5253 -endif -ifneq (,$(findstring CONFIG_M5271,$(is5271))) -PLATFORM_CPPFLAGS += -mcpu=5271 -endif -ifneq (,$(findstring CONFIG_M5272,$(is5272))) -PLATFORM_CPPFLAGS += -mcpu=5272 -endif -ifneq (,$(findstring CONFIG_M5275,$(is5275))) -PLATFORM_CPPFLAGS += -mcpu=5275 -endif -ifneq (,$(findstring CONFIG_M5282,$(is5282))) -PLATFORM_CPPFLAGS += -mcpu=5282 -endif diff --git a/arch/m68k/cpu/mcf530x/config.mk b/arch/m68k/cpu/mcf530x/config.mk deleted file mode 100644 index aef72d7..0000000 --- a/arch/m68k/cpu/mcf530x/config.mk +++ /dev/null @@ -1,12 +0,0 @@ -# -# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -cfg=$(srctree)/include/configs/$(CONFIG_SYS_CONFIG_NAME:"%"=%).h -is5307:=$(shell grep CONFIG_M5307 $(cfg)) - -ifneq (,$(findstring CONFIG_M5307,$(is5307))) -PLATFORM_CPPFLAGS += -mcpu=5307 -endif diff --git a/arch/m68k/cpu/mcf532x/config.mk b/arch/m68k/cpu/mcf532x/config.mk deleted file mode 100644 index 2efb60f..0000000 --- a/arch/m68k/cpu/mcf532x/config.mk +++ /dev/null @@ -1,19 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -cfg=$(srctree)/include/configs/$(CONFIG_SYS_CONFIG_NAME:"%"=%).h -is5301x:=$(shell grep CONFIG_MCF5301x $(cfg)) -is532x:=$(shell grep CONFIG_MCF532x $(cfg)) - -ifneq (,$(findstring CONFIG_MCF5301x,$(is5301x))) -PLATFORM_CPPFLAGS += -mcpu=53015 -fPIC -endif -ifneq (,$(findstring CONFIG_MCF532x,$(is532x))) -PLATFORM_CPPFLAGS += -mcpu=5329 -fPIC -endif diff --git a/arch/m68k/cpu/mcf5445x/config.mk b/arch/m68k/cpu/mcf5445x/config.mk deleted file mode 100644 index 13f8a9f..0000000 --- a/arch/m68k/cpu/mcf5445x/config.mk +++ /dev/null @@ -1,25 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# Copyright 2011-2012 Freescale Semiconductor, Inc. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -cfg=$(srctree)/include/configs/$(CONFIG_SYS_CONFIG_NAME:"%"=%).h -is5441x:=$(shell grep CONFIG_MCF5441x $(cfg)) - -ifneq (,$(findstring CONFIG_MCF5441x,$(is5441x))) -PLATFORM_CPPFLAGS += -mcpu=54418 -fPIC -else -PLATFORM_CPPFLAGS += -mcpu=54455 -fPIC -endif - -ifneq (,$(findstring -linux-,$(shell $(CC) --version))) -ifneq (,$(findstring GOT,$(shell $(LD) --help))) -PLATFORM_LDFLAGS += --got=single -endif -endif diff --git a/arch/m68k/cpu/mcf547x_8x/config.mk b/arch/m68k/cpu/mcf547x_8x/config.mk deleted file mode 100644 index 825f6cc..0000000 --- a/arch/m68k/cpu/mcf547x_8x/config.mk +++ /dev/null @@ -1,16 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -PLATFORM_CPPFLAGS += -mcpu=5485 -fPIC - -ifneq (,$(findstring -linux-,$(shell $(CC) --version))) -ifneq (,$(findstring GOT,$(shell $(LD) --help))) -PLATFORM_LDFLAGS += --got=single -endif -endif diff --git a/arch/m68k/include/asm/config.h b/arch/m68k/include/asm/config.h index 7590842..e1458ac 100644 --- a/arch/m68k/include/asm/config.h +++ b/arch/m68k/include/asm/config.h @@ -7,7 +7,6 @@ #ifndef _ASM_CONFIG_H_ #define _ASM_CONFIG_H_ -#define CONFIG_SYS_GENERIC_BOARD #define CONFIG_SYS_GENERIC_GLOBAL_DATA #define CONFIG_NEEDS_MANUAL_RELOC diff --git a/arch/m68k/lib/Makefile b/arch/m68k/lib/Makefile index d0e1a84..73d40bd 100644 --- a/arch/m68k/lib/Makefile +++ b/arch/m68k/lib/Makefile @@ -5,9 +5,6 @@ # SPDX-License-Identifier: GPL-2.0+ # -ifndef CONFIG_SYS_GENERIC_BOARD -obj-y += board.o -endif obj-$(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@telex.de> - * - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@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 */ -} |