summaryrefslogtreecommitdiff
path: root/board/vpac270/onenand.c
diff options
context:
space:
mode:
authorMarek Vasut <marek.vasut@gmail.com>2011-10-31 14:17:21 +0100
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-12-06 23:59:32 +0100
commit411b9eaf554225c12ca253473002d0381cfec4ff (patch)
tree739046e4ca2b76a80eb57370c7230f26fb997fa4 /board/vpac270/onenand.c
parent496471df9e8a4216386d4e43b95e531f0ca7f140 (diff)
downloadu-boot-imx-411b9eaf554225c12ca253473002d0381cfec4ff.zip
u-boot-imx-411b9eaf554225c12ca253473002d0381cfec4ff.tar.gz
u-boot-imx-411b9eaf554225c12ca253473002d0381cfec4ff.tar.bz2
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()
Diffstat (limited to 'board/vpac270/onenand.c')
-rw-r--r--board/vpac270/onenand.c66
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) {}