Move lib_$ARCH directories to arch/$ARCH/lib

Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk

This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

1 files changed, 164 insertions, 0 deletions

diff --git a/arch/nios2/lib/board.c b/arch/nios2/lib/board.c
new file mode 100644
index 0000000..8ec66a3
--- /dev/null
+++ b/arch/nios2/lib/board.c
@@ -0,0 +1,164 @@
+/*
+ * (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 <net.h>
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
+#if defined(CONFIG_SYS_NIOS_EPCSBASE)
+#include <nios2-epcs.h>
+#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;
+
+	/* Pointer is writable since we allocated a register for it.
+	 * Nios treats CONFIG_SYS_GBL_DATA_OFFSET as an address.
+	 */
+	gd = (gd_t *)CONFIG_SYS_GBL_DATA_OFFSET;
+	/* compiler optimization barrier needed for GCC >= 3.4 */
+	__asm__ __volatile__("": : :"memory");
+
+	memset( gd, 0, CONFIG_SYS_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;
+	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
+#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 (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);
+
+	WATCHDOG_RESET ();
+	bd->bi_flashsize = flash_init();
+
+	WATCHDOG_RESET ();
+	env_relocate();
+
+	bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+
+	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)
+#if defined(CONFIG_NET_MULTI)
+	puts ("Net:   ");
+#endif
+	eth_initialize (bd);
+#endif
+
+	/* main_loop */
+	for (;;) {
+		WATCHDOG_RESET ();
+		main_loop ();
+	}
+}
+
+
+/***********************************************************************/
+
+void hang (void)
+{
+	disable_interrupts ();
+	puts("### ERROR ### Please reset board ###\n");
+	for (;;);
+}