diff options
Diffstat (limited to 'arch/blackfin/lib')
| -rw-r--r-- | arch/blackfin/lib/Makefile | 7 | ||||
| -rw-r--r-- | arch/blackfin/lib/board.c | 443 | ||||
| -rw-r--r-- | arch/blackfin/lib/sections.c | 11 |
3 files changed, 12 insertions, 449 deletions
diff --git a/arch/blackfin/lib/Makefile b/arch/blackfin/lib/Makefile index 4ba7bf6..b534a98 100644 --- a/arch/blackfin/lib/Makefile +++ b/arch/blackfin/lib/Makefile @@ -9,11 +9,6 @@ # SPDX-License-Identifier: GPL-2.0+ # -# Unnecessary. -# Use CONFIG_SYS_BOARD instead of BFIN_BOARD_NAME -# and delete this. -ccflags-y += -DBFIN_BOARD_NAME='"$(BOARD)"' - obj-y += ins.o obj-y += memcmp.o obj-y += memcpy.o @@ -21,7 +16,6 @@ obj-y += memmove.o obj-y += memset.o obj-y += outs.o obj-$(CONFIG_CMD_KGDB) += __kgdb.o -obj-y += board.o obj-y += boot.o obj-y += cache.o obj-y += clocks.o @@ -30,3 +24,4 @@ obj-$(CONFIG_CMD_KGDB) += kgdb.o obj-y += muldi3.o obj-$(CONFIG_HAS_POST) += post.o obj-y += string.o +obj-y += sections.o diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c deleted file mode 100644 index 8784255..0000000 --- a/arch/blackfin/lib/board.c +++ /dev/null @@ -1,443 +0,0 @@ -/* - * U-boot - board.c First C file to be called contains init routines - * - * Copyright (c) 2005-2008 Analog Devices Inc. - * - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <command.h> -#include <stdio_dev.h> -#include <serial.h> -#include <environment.h> -#include <malloc.h> -#include <mmc.h> -#include <net.h> -#include <status_led.h> -#include <version.h> -#include <watchdog.h> - -#include <asm/cplb.h> -#include <asm/mach-common/bits/mpu.h> -#include <asm/clock.h> -#include <kgdb.h> - -#ifdef CONFIG_CMD_NAND -#include <nand.h> /* cannot even include nand.h if it isnt configured */ -#endif - -#ifdef CONFIG_BITBANGMII -#include <miiphy.h> -#endif - -#if defined(CONFIG_POST) -#include <post.h> -int post_flag; -#endif - -#if defined(CONFIG_SYS_I2C) -#include <i2c.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -__attribute__((always_inline)) -static inline void serial_early_puts(const char *s) -{ -#ifdef CONFIG_DEBUG_EARLY_SERIAL - serial_puts("Early: "); - serial_puts(s); -#endif -} - -static int display_banner(void) -{ - display_options(); - printf("CPU: ADSP %s " - "(Detected Rev: 0.%d) " - "(%s boot)\n", - gd->bd->bi_cpu, - bfin_revid(), - get_bfin_boot_mode(CONFIG_BFIN_BOOT_MODE)); - return 0; -} - -static int init_baudrate(void) -{ - gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); - return 0; -} - -static void display_global_data(void) -{ - bd_t *bd; - -#ifndef CONFIG_DEBUG_EARLY_SERIAL - return; -#endif - - bd = gd->bd; - printf(" gd: %p\n", gd); - printf(" |-flags: %lx\n", gd->flags); - printf(" |-board_type: %lx\n", gd->arch.board_type); - printf(" |-baudrate: %u\n", gd->baudrate); - printf(" |-have_console: %lx\n", gd->have_console); - printf(" |-ram_size: %lx\n", gd->ram_size); - printf(" |-env_addr: %lx\n", gd->env_addr); - printf(" |-env_valid: %lx\n", gd->env_valid); - printf(" |-jt(%p): %p\n", gd->jt, *(gd->jt)); - printf(" \\-bd: %p\n", gd->bd); - printf(" |-bi_boot_params: %lx\n", bd->bi_boot_params); - printf(" |-bi_memstart: %lx\n", bd->bi_memstart); - printf(" |-bi_memsize: %lx\n", bd->bi_memsize); - printf(" |-bi_flashstart: %lx\n", bd->bi_flashstart); - printf(" |-bi_flashsize: %lx\n", bd->bi_flashsize); - printf(" \\-bi_flashoffset: %lx\n", bd->bi_flashoffset); -} - -#define CPLB_PAGE_SIZE (4 * 1024 * 1024) -#define CPLB_PAGE_MASK (~(CPLB_PAGE_SIZE - 1)) -#if defined(__ADSPBF60x__) -#define CPLB_EX_PAGE_SIZE (16 * 1024 * 1024) -#define CPLB_EX_PAGE_MASK (~(CPLB_EX_PAGE_SIZE - 1)) -#else -#define CPLB_EX_PAGE_SIZE CPLB_PAGE_SIZE -#define CPLB_EX_PAGE_MASK CPLB_PAGE_MASK -#endif -void init_cplbtables(void) -{ - volatile uint32_t *ICPLB_ADDR, *ICPLB_DATA; - volatile uint32_t *DCPLB_ADDR, *DCPLB_DATA; - uint32_t extern_memory; - size_t i; - - void icplb_add(uint32_t addr, uint32_t data) - { - *(ICPLB_ADDR + i) = addr; - *(ICPLB_DATA + i) = data; - } - void dcplb_add(uint32_t addr, uint32_t data) - { - *(DCPLB_ADDR + i) = addr; - *(DCPLB_DATA + i) = data; - } - - /* populate a few common entries ... we'll let - * the memory map and cplb exception handler do - * the rest of the work. - */ - i = 0; - ICPLB_ADDR = (uint32_t *)ICPLB_ADDR0; - ICPLB_DATA = (uint32_t *)ICPLB_DATA0; - DCPLB_ADDR = (uint32_t *)DCPLB_ADDR0; - DCPLB_DATA = (uint32_t *)DCPLB_DATA0; - - icplb_add(0xFFA00000, L1_IMEMORY); - dcplb_add(0xFF800000, L1_DMEMORY); - ++i; -#if defined(__ADSPBF60x__) - icplb_add(0x0, 0x0); - dcplb_add(CONFIG_SYS_FLASH_BASE, PAGE_SIZE_16MB | CPLB_DIRTY | - CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID); - ++i; -#endif - - if (CONFIG_MEM_SIZE) { - uint32_t mbase = CONFIG_SYS_MONITOR_BASE; - uint32_t mend = mbase + CONFIG_SYS_MONITOR_LEN; - mbase &= CPLB_PAGE_MASK; - mend &= CPLB_PAGE_MASK; - - icplb_add(mbase, SDRAM_IKERNEL); - dcplb_add(mbase, SDRAM_DKERNEL); - ++i; - - /* - * If the monitor crosses a 4 meg boundary, we'll need - * to lock two entries for it. We assume it doesn't - * cross two 4 meg boundaries ... - */ - if (mbase != mend) { - icplb_add(mend, SDRAM_IKERNEL); - dcplb_add(mend, SDRAM_DKERNEL); - ++i; - } - } - -#ifndef __ADSPBF60x__ - icplb_add(0x20000000, SDRAM_INON_CHBL); - dcplb_add(0x20000000, SDRAM_EBIU); - ++i; -#endif - - /* Add entries for the rest of external RAM up to the bootrom */ - extern_memory = 0; - -#ifdef CONFIG_DEBUG_NULL_PTR - icplb_add(extern_memory, (SDRAM_IKERNEL & ~PAGE_SIZE_MASK) | PAGE_SIZE_1KB); - dcplb_add(extern_memory, (SDRAM_DKERNEL & ~PAGE_SIZE_MASK) | PAGE_SIZE_1KB); - ++i; - icplb_add(extern_memory, SDRAM_IKERNEL); - dcplb_add(extern_memory, SDRAM_DKERNEL); - extern_memory += CPLB_PAGE_SIZE; - ++i; -#endif - - while (i < 16 && extern_memory < - (CONFIG_SYS_MONITOR_BASE & CPLB_EX_PAGE_MASK)) { - icplb_add(extern_memory, SDRAM_IGENERIC); - dcplb_add(extern_memory, SDRAM_DGENERIC); - extern_memory += CPLB_EX_PAGE_SIZE; - ++i; - } - while (i < 16) { - icplb_add(0, 0); - dcplb_add(0, 0); - ++i; - } -} - -static int global_board_data_init(void) -{ -#ifndef CONFIG_SYS_GBL_DATA_ADDR -# define CONFIG_SYS_GBL_DATA_ADDR 0 -#endif -#ifndef CONFIG_SYS_BD_INFO_ADDR -# define CONFIG_SYS_BD_INFO_ADDR 0 -#endif - - bd_t *bd; - - if (CONFIG_SYS_GBL_DATA_ADDR) { - gd = (gd_t *) (CONFIG_SYS_GBL_DATA_ADDR); - memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE); - } else { - static gd_t _bfin_gd; - gd = &_bfin_gd; - } - - if (CONFIG_SYS_BD_INFO_ADDR) { - bd = (bd_t *) (CONFIG_SYS_BD_INFO_ADDR); - memset(bd, 0, GENERATED_BD_INFO_SIZE); - } else { - static bd_t _bfin_bd; - bd = &_bfin_bd; - } - gd->bd = bd; - - bd->bi_r_version = version_string; - bd->bi_cpu = __stringify(CONFIG_BFIN_CPU); - bd->bi_board_name = BFIN_BOARD_NAME; - bd->bi_vco = get_vco(); - bd->bi_cclk = get_cclk(); - bd->bi_sclk = get_sclk(); - bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; - bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE; - - return 0; -} - -/* - * 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". - */ - -extern int watchdog_init(void); -extern int exception_init(void); -extern int irq_init(void); -extern int timer_init(void); - -void board_init_f(ulong bootflag) -{ - char buf[32]; - -#ifdef CONFIG_BOARD_EARLY_INIT_F - serial_early_puts("Board early init flash\n"); - board_early_init_f(); -#endif - - serial_early_puts("Init CPLB tables\n"); - init_cplbtables(); - - serial_early_puts("Exceptions setup\n"); - exception_init(); - -#ifndef CONFIG_ICACHE_OFF - serial_early_puts("Turn on ICACHE\n"); - icache_enable(); -#endif -#ifndef CONFIG_DCACHE_OFF - serial_early_puts("Turn on DCACHE\n"); - dcache_enable(); -#endif - -#ifdef CONFIG_HW_WATCHDOG - serial_early_puts("Setting up external watchdog\n"); - hw_watchdog_init(); -#endif - -#ifdef DEBUG - if (GENERATED_GBL_DATA_SIZE < sizeof(*gd)) - hang(); -#endif - serial_early_puts("Init global data\n"); - - global_board_data_init(); - - /* Initialize */ - serial_early_puts("IRQ init\n"); - irq_init(); - serial_early_puts("Environment init\n"); - env_init(); - serial_early_puts("Baudrate init\n"); - init_baudrate(); - serial_early_puts("Serial init\n"); - serial_init(); - serial_initialize(); - serial_early_puts("Console init flash\n"); - console_init_f(); - serial_early_puts("End of early debugging\n"); - display_banner(); - - checkboard(); - timer_init(); - - printf("Clock: VCO: %s MHz, ", strmhz(buf, get_vco())); - printf("Core: %s MHz, ", strmhz(buf, get_cclk())); -#if defined(__ADSPBF60x__) - printf("System0: %s MHz, ", strmhz(buf, get_sclk0())); - printf("System1: %s MHz, ", strmhz(buf, get_sclk1())); - printf("Dclk: %s MHz\n", strmhz(buf, get_dclk())); -#else - printf("System: %s MHz\n", strmhz(buf, get_sclk())); -#endif - - if (CONFIG_MEM_SIZE) { - printf("RAM: "); - print_size(gd->bd->bi_memsize, "\n"); - } - -#if defined(CONFIG_POST) - post_init_f(); - post_bootmode_init(); - post_run(NULL, POST_ROM | post_bootmode_get(0)); -#endif - - board_init_r((gd_t *) gd, 0x20000010); -} - -static void board_net_init_r(bd_t *bd) -{ -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#ifdef CONFIG_CMD_NET - printf("Net: "); - eth_initialize(bd); -#endif -} - -void board_init_r(gd_t * id, ulong dest_addr) -{ - bd_t *bd; - gd = id; - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ - bd = gd->bd; - -#if defined(CONFIG_POST) - post_output_backlog(); -#endif - - /* initialize malloc() area */ - mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); - -#if !defined(CONFIG_SYS_NO_FLASH) - /* Initialize the flash and protect u-boot by default */ - extern flash_info_t flash_info[]; - puts("Flash: "); - ulong size = flash_init(); - print_size(size, "\n"); - flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN - 1, - &flash_info[0]); - bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; - bd->bi_flashsize = size; - bd->bi_flashoffset = 0; -#else - bd->bi_flashstart = 0; - bd->bi_flashsize = 0; - bd->bi_flashoffset = 0; -#endif - -#ifdef CONFIG_CMD_NAND - puts("NAND: "); - nand_init(); /* go init the NAND */ -#endif - -#ifdef CONFIG_GENERIC_MMC - puts("MMC: "); - mmc_initialize(bd); -#endif - -#if defined(CONFIG_SYS_I2C) - i2c_reloc_fixup(); -#endif - /* relocate environment function pointers etc. */ - env_relocate(); - - /* Initialize stdio devices */ - stdio_init(); - jumptable_init(); - - /* Initialize the console (after the relocation and devices init) */ - console_init_r(); - -#ifdef CONFIG_CMD_KGDB - puts("KGDB: "); - kgdb_init(); -#endif - -#ifdef CONFIG_STATUS_LED - status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); - status_led_set(STATUS_LED_CRASH, STATUS_LED_OFF); -#endif - - /* Initialize from environment */ - load_addr = getenv_ulong("loadaddr", 16, load_addr); - -#if defined(CONFIG_MISC_INIT_R) - /* miscellaneous platform dependent initialisations */ - misc_init_r(); -#endif - - board_net_init_r(bd); - - display_global_data(); - -#if defined(CONFIG_POST) - if (post_flag) - post_run(NULL, POST_RAM | post_bootmode_get(0)); -#endif - - if (CONFIG_MEM_SIZE && bfin_os_log_check()) { - puts("\nLog buffer from operating system:\n"); - bfin_os_log_dump(); - puts("\n"); - } - - /* main_loop() can return to retry autoboot, if so just run it again. */ - for (;;) - main_loop(); -} diff --git a/arch/blackfin/lib/sections.c b/arch/blackfin/lib/sections.c new file mode 100644 index 0000000..b50f30a --- /dev/null +++ b/arch/blackfin/lib/sections.c @@ -0,0 +1,11 @@ +/* + * U-boot - section.c + * + * Copyright (c) 2014 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +char __bss_start[0] __attribute__((section(".__bss_start"))); +char __bss_end[0] __attribute__((section(".__bss_end"))); +char __init_end[0] __attribute__((section(".__init_end"))); |