openrisc: Add library functions
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
diff --git a/arch/openrisc/lib/board.c b/arch/openrisc/lib/board.c
new file mode 100644
index 0000000..85aa189
--- /dev/null
+++ b/arch/openrisc/lib/board.c
@@ -0,0 +1,168 @@
+/*
+ * (C) Copyright 2011
+ * Julius Baxter, julius@opencores.org
+ *
+ * (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.
+ *
+ *
+ * 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 <stdio_dev.h>
+#include <watchdog.h>
+#include <malloc.h>
+#include <mmc.h>
+#include <net.h>
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
+#ifdef CONFIG_CMD_NAND
+#include <nand.h> /* cannot even include nand.h if it isnt configured */
+#endif
+
+#include <timestamp.h>
+#include <version.h>
+
+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".
+ */
+
+extern int cache_init(void);
+
+/*
+ * Initialization sequence
+ */
+static int (* const init_sequence[])(void) = {
+ cache_init,
+ timer_init, /* initialize timer */
+ env_init,
+ serial_init,
+ console_init_f,
+ display_options,
+ checkcpu,
+ checkboard,
+};
+
+
+/***********************************************************************/
+void board_init(void)
+{
+ bd_t *bd;
+ int i;
+
+ gd = (gd_t *)CONFIG_SYS_GBL_DATA_ADDR;
+
+ memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
+
+ gd->bd = (bd_t *)(gd+1); /* At end of global 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
+ bd->bi_baudrate = CONFIG_BAUDRATE;
+
+ for (i = 0; i < ARRAY_SIZE(init_sequence); i++) {
+ WATCHDOG_RESET();
+ if (init_sequence[i]())
+ 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();
+ }
+}
+
+
+/***********************************************************************/
+
+void hang(void)
+{
+ disable_interrupts();
+ puts("### ERROR ### Please reset board ###\n");
+
+ for (;;)
+ ;
+}