PXA: Adapt Voipac PXA270 to OneNAND SPL

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>

V2: Add missing u-boot-spl.lds, convert bitshifts to division,
    convert to spl_onenand_load_image()

1 files changed, 66 insertions, 0 deletions

diff --git a/board/vpac270/onenand.c b/board/vpac270/onenand.c
new file mode 100644
index 0000000..6a0a37b
--- /dev/null
+++ b/board/vpac270/onenand.c
@@ -0,0 +1,66 @@
+/*
+ * Voipac PXA270 OneNAND SPL
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@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 <config.h>
+#include <asm/io.h>
+#include <onenand_uboot.h>
+
+extern void pxa_dram_init(void);
+
+void board_init_f(unsigned long unused)
+{
+	extern uint32_t _end;
+	uint32_t tmp;
+
+	asm volatile("mov %0, pc" : "=r"(tmp));
+	tmp >>= 24;
+
+	/* The code runs from OneNAND RAM, copy SPL to SRAM and execute it. */
+	if (tmp == 0) {
+		tmp = (uint32_t)&_end - CONFIG_SPL_TEXT_BASE;
+		onenand_spl_load_image(0, tmp, (void *)CONFIG_SPL_TEXT_BASE);
+		asm volatile("mov pc, %0" : : "r"(CONFIG_SPL_TEXT_BASE));
+	}
+
+	/* Hereby, the code runs from (S)RAM, copy U-Boot and execute it. */
+	arch_cpu_init();
+	pxa_dram_init();
+	onenand_spl_load_image(CONFIG_SPL_ONENAND_LOAD_ADDR,
+				CONFIG_SPL_ONENAND_LOAD_SIZE,
+				(void *)CONFIG_SYS_TEXT_BASE);
+	asm volatile("mov pc, %0" : : "r"(CONFIG_SYS_TEXT_BASE));
+
+	for (;;)
+		;
+}
+
+void __attribute__((noreturn)) hang(void)
+{
+	for (;;)
+		;
+}
+
+void icache_disable(void) {}
+void dcache_disable(void) {}