From 5ff10aa7e76fc7dbd205ec13381757bfa2c99911 Mon Sep 17 00:00:00 2001 From: Thomas Chou Date: Fri, 22 Aug 2014 11:36:47 +0800 Subject: nios2: add generic board support This patch implements the generic board init as described in doc/README.generic-board. Signed-off-by: Thomas Chou Signed-off-by: Scott McNutt Reviewed-by: Stefan Roese --- arch/nios2/lib/Makefile | 1 - arch/nios2/lib/board.c | 147 ------------------------------------------------ 2 files changed, 148 deletions(-) delete mode 100644 arch/nios2/lib/board.c (limited to 'arch/nios2/lib') diff --git a/arch/nios2/lib/Makefile b/arch/nios2/lib/Makefile index 7cb25c0ee13..079378a9056 100644 --- a/arch/nios2/lib/Makefile +++ b/arch/nios2/lib/Makefile @@ -6,7 +6,6 @@ # obj-y += cache.o -obj-y += board.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += libgcc.o obj-y += time.o diff --git a/arch/nios2/lib/board.c b/arch/nios2/lib/board.c deleted file mode 100644 index f24218ff1c1..00000000000 --- a/arch/nios2/lib/board.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * (C) Copyright 2003, Psyent Corporation - * Scott McNutt - * - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include -#include -#ifdef CONFIG_STATUS_LED -#include -#endif -#if defined(CONFIG_SYS_NIOS_EPCSBASE) -#include -#endif -#ifdef CONFIG_CMD_NAND -#include /* cannot even include nand.h if it isnt configured */ -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* - * 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); - - -/************************************************************************ - * Initialization sequence * - ***********************************************************************/ - -init_fnc_t *init_sequence[] = { -#if defined(CONFIG_BOARD_EARLY_INIT_F) - board_early_init_f, /* Call board-specific init code early.*/ -#endif -#if defined(CONFIG_SYS_NIOS_EPCSBASE) - epcs_reset, -#endif - - env_init, - serial_init, - console_init_f, - display_options, - checkcpu, - checkboard, - NULL, /* Terminate this list */ -}; - - -/***********************************************************************/ -void board_init(void) -{ - bd_t *bd; - init_fnc_t **init_fnc_ptr; - static gd_t gd_data; - static bd_t bd_data; - - /* Pointer is writable since we allocated a register for it. */ - gd = &gd_data; - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("" : : : "memory"); - - gd->bd = &bd_data; - gd->baudrate = CONFIG_BAUDRATE; - gd->cpu_clk = CONFIG_SYS_CLK_FREQ; - - bd = gd->bd; - bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; - bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; -#ifndef CONFIG_SYS_NO_FLASH - bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; -#endif -#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE) - bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; - bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; -#endif - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - WATCHDOG_RESET(); - if ((*init_fnc_ptr) () != 0) - hang(); - } - - WATCHDOG_RESET(); - - /* The Malloc area is immediately below the monitor copy in RAM */ - mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); - -#ifndef CONFIG_SYS_NO_FLASH - WATCHDOG_RESET(); - bd->bi_flashsize = flash_init(); -#endif - -#ifdef CONFIG_CMD_NAND - puts("NAND: "); - nand_init(); -#endif - -#ifdef CONFIG_GENERIC_MMC - puts("MMC: "); - mmc_initialize(bd); -#endif - - WATCHDOG_RESET(); - env_relocate(); - - WATCHDOG_RESET(); - stdio_init(); - jumptable_init(); - console_init_r(); - - WATCHDOG_RESET(); - interrupt_init(); - -#if defined(CONFIG_BOARD_LATE_INIT) - board_late_init(); -#endif - -#if defined(CONFIG_CMD_NET) - puts("Net: "); - eth_initialize(bd); -#endif - - /* main_loop */ - for (;;) { - WATCHDOG_RESET(); - main_loop(); - } -} -- cgit v1.2.3