1 files changed, 147 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/arch/nios2/lib/board.c b/qemu/roms/u-boot/arch/nios2/lib/board.c
new file mode 100644
index 000000000..f24218ff1
--- /dev/null
+++ b/qemu/roms/u-boot/arch/nios2/lib/board.c
@@ -0,0 +1,147 @@
+/*
+ * (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();
+	}
+}