x86: Split init functions out of board.c

This patch moves towards reducing board.c to simply a set of init cores for the three initialisation phases (Flash, Flash/RAM, and RAM), a set of three init function arrays and a init function array processing function
2025-05-08 10:39:08 +00:00 · 2011-12-23 16:51:29 +11:00 · 2011-12-23 16:51:29 +11:00 · d47ab0ecde
commit d47ab0ecde
parent b156ff09aa
6 changed files with 438 additions and 221 deletions
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@ -0,0 +1,142 @@
+/*
+ * (C) Copyright 2011
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <command.h>
+#include <stdio_dev.h>
+#include <version.h>
+#include <malloc.h>
+#include <net.h>
+#include <ide.h>
+#include <serial.h>
+#include <status_led.h>
+#include <asm/u-boot-x86.h>
+
+#include <asm/init_helpers.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/************************************************************************
+ * Init Utilities							*
+ ************************************************************************
+ * Some of this code should be moved into the core functions,
+ * or dropped completely,
+ * but let's get it working (again) first...
+ */
+
+int display_banner(void)
+{
+	printf("\n\n%s\n\n", version_string);
+
+	return 0;
+}
+
+int display_dram_config(void)
+{
+	int i;
+
+	puts("DRAM Configuration:\n");
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
+		print_size(gd->bd->bi_dram[i].size, "\n");
+	}
+
+	return 0;
+}
+
+int init_baudrate_f(void)
+{
+	gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
+	return 0;
+}
+
+int mem_malloc_init_r(void)
+{
+	mem_malloc_init(((gd->relocaddr - CONFIG_SYS_MALLOC_LEN)+3)&~3,
+			CONFIG_SYS_MALLOC_LEN);
+
+	return 0;
+}
+
+bd_t bd_data;
+
+int init_bd_struct_r(void)
+{
+	gd->bd = &bd_data;
+	memset(gd->bd, 0, sizeof(bd_t));
+
+	return 0;
+}
+
+#ifndef CONFIG_SYS_NO_FLASH
+int flash_init_r(void)
+{
+	ulong size;
+
+	puts("Flash: ");
+
+	/* configure available FLASH banks */
+	size = flash_init();
+
+	print_size(size, "\n");
+
+	return 0;
+}
+#endif
+
+int init_ip_address_r(void)
+{
+	/* IP Address */
+	bd_data.bi_ip_addr = getenv_IPaddr("ipaddr");
+
+	return 0;
+}
+
+#ifdef CONFIG_STATUS_LED
+int status_led_set_r(void)
+{
+	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
+
+	return 0;
+}
+#endif
+
+int set_bootfile_r(void)
+{
+	char *s;
+
+	s = getenv("bootfile");
+
+	if (s != NULL)
+		copy_filename(BootFile, s, sizeof(BootFile));
+
+	return 0;
+}
+
+int set_load_addr_r(void)
+{
+	/* Initialize from environment */
+	load_addr = getenv_ulong("loadaddr", 16, load_addr);
+
+	return 0;
+}