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authorThomas Chou <thomas@wytron.com.tw>2014-08-22 11:36:47 +0800
committerThomas Chou <thomas@wytron.com.tw>2014-08-24 11:28:10 +0800
commit5ff10aa7e76fc7dbd205ec13381757bfa2c99911 (patch)
treeb61f3a949766cb6cda4f537874bebe7790356c8e /arch/nios2/lib/board.c
parent70fbc46192dfd52896560f4b31e40daa3d16b99f (diff)
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nios2: add generic board support
This patch implements the generic board init as described in doc/README.generic-board. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Scott McNutt <smcnutt@psyent.com> Reviewed-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch/nios2/lib/board.c')
-rw-r--r--arch/nios2/lib/board.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/arch/nios2/lib/board.c b/arch/nios2/lib/board.c
deleted file mode 100644
index f24218f..0000000
--- a/arch/nios2/lib/board.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
- * Scott McNutt <smcnutt@psyent.com>
- *
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <stdio_dev.h>
-#include <watchdog.h>
-#include <malloc.h>
-#include <mmc.h>
-#include <net.h>
-#ifdef CONFIG_STATUS_LED
-#include <status_led.h>
-#endif
-#if defined(CONFIG_SYS_NIOS_EPCSBASE)
-#include <nios2-epcs.h>
-#endif
-#ifdef CONFIG_CMD_NAND
-#include <nand.h> /* 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();
- }
-}