[U-Boot] [PATCH 4/4] PXA: Adapt Voipac PXA270 to OneNAND SPL
Marek Vasut
marek.vasut at gmail.com
Mon Oct 31 14:23:13 CET 2011
Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
Cc: Albert ARIBAUD <albert.u.boot at aribaud.net>
---
board/vpac270/Makefile | 6 ++
board/vpac270/onenand.c | 136 +++++++++++++++++++++++++++++++++++++++++++++
board/vpac270/vpac270.c | 2 +
include/configs/vpac270.h | 25 +++++++--
4 files changed, 164 insertions(+), 5 deletions(-)
create mode 100644 board/vpac270/onenand.c
diff --git a/board/vpac270/Makefile b/board/vpac270/Makefile
index b5c60fd..f25822f 100644
--- a/board/vpac270/Makefile
+++ b/board/vpac270/Makefile
@@ -23,7 +23,13 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
+ifndef CONFIG_SPL_BUILD
COBJS := vpac270.o
+endif
+
+ifdef CONFIG_SPL_BUILD
+COBJS := onenand.o
+endif
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/vpac270/onenand.c b/board/vpac270/onenand.c
new file mode 100644
index 0000000..50de2ab
--- /dev/null
+++ b/board/vpac270/onenand.c
@@ -0,0 +1,136 @@
+/*
+ * Voipac PXA270 OneNAND SPL
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut at 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);
+
+inline void spl_copy_self(void)
+{
+ extern uint32_t _end;
+ struct spl_onenand_data data;
+ uint32_t page;
+ uint32_t total_bytes = (uint32_t)&_end - CONFIG_SPL_TEXT_BASE;
+ uint32_t total_pages;
+ uint8_t *addr = (uint8_t *)CONFIG_SPL_TEXT_BASE;
+ int ret;
+
+ spl_onenand_get_geometry(&data);
+
+ /* The page can be either 2k or 4k, avoid using DIV_ROUND_UP. */
+ total_pages = total_bytes >> 11;
+ if (data.pagesize == 4096)
+ total_pages >>= 1;
+
+ for (page = 0; page <= total_pages; page++) {
+ ret = spl_onenand_read_page(0, page, addr, data.pagesize);
+ if (ret)
+ total_pages++;
+ else
+ addr += data.pagesize;
+ }
+}
+
+inline void spl_copy_uboot(void)
+{
+ uint8_t *addr = (uint8_t *)CONFIG_SYS_TEXT_BASE;
+ struct spl_onenand_data data;
+ uint32_t total_pages;
+ uint32_t block;
+ uint32_t page, rpage;
+ int ret;
+
+ spl_onenand_get_geometry(&data);
+
+ /* The page can be either 2k or 4k, avoid using DIV_ROUND_UP. */
+ total_pages = CONFIG_SPL_ONENAND_LOAD_SIZE >> 11;
+ page = CONFIG_SPL_ONENAND_LOAD_ADDR >> 11;
+ if (data.pagesize == 4096) {
+ total_pages >>= 1;
+ page >>= 1;
+ }
+
+ for (; page <= total_pages; page++) {
+ block = page >> 6;
+ rpage = page & 0xff;
+ ret = spl_onenand_read_page(block, rpage, addr, data.pagesize);
+ if (ret)
+ total_pages++;
+ else
+ addr += data.pagesize;
+ }
+}
+
+inline void board_init_f(unsigned long unused)
+{
+ 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) {
+ spl_copy_self();
+ 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();
+ spl_copy_uboot();
+ asm volatile("mov pc, %0" : : "r"(CONFIG_SYS_TEXT_BASE));
+
+ for (;;)
+ ;
+}
+
+inline void board_init_r(gd_t *id, ulong dest_addr)
+{
+ for (;;)
+ ;
+}
+
+inline int printf(const char *fmt, ...)
+{
+ return 0;
+}
+
+inline void __coloured_LED_init(void) {}
+inline void __red_LED_on(void) {}
+void coloured_LED_init(void)
+ __attribute__((weak, alias("__coloured_LED_init")));
+void red_LED_on(void)
+ __attribute__((weak, alias("__red_LED_on")));
+void hang(void) __attribute__ ((noreturn));
+void hang(void)
+{
+ for (;;)
+ ;
+}
+
+inline void icache_disable(void) {}
+inline void dcache_disable(void) {}
diff --git a/board/vpac270/vpac270.c b/board/vpac270/vpac270.c
index 43bbdff..f146009 100644
--- a/board/vpac270/vpac270.c
+++ b/board/vpac270/vpac270.c
@@ -56,7 +56,9 @@ struct serial_device *default_serial_console(void)
extern void pxa_dram_init(void);
int dram_init(void)
{
+#ifndef CONFIG_ONENAND
pxa_dram_init();
+#endif
gd->ram_size = PHYS_SDRAM_1_SIZE;
return 0;
}
diff --git a/include/configs/vpac270.h b/include/configs/vpac270.h
index 9db4d99..d43ff47 100644
--- a/include/configs/vpac270.h
+++ b/include/configs/vpac270.h
@@ -27,7 +27,17 @@
*/
#define CONFIG_PXA27X 1 /* Marvell PXA270 CPU */
#define CONFIG_VPAC270 1 /* Voipac PXA270 board */
-#define CONFIG_SYS_TEXT_BASE 0x0
+#define CONFIG_SYS_TEXT_BASE 0xa0000000
+
+#ifdef CONFIG_ONENAND
+#define CONFIG_SPL
+#define CONFIG_SPL_ONENAND_SUPPORT
+#define CONFIG_SPL_ONENAND_LOAD_ADDR 0x2000
+#define CONFIG_SPL_ONENAND_LOAD_SIZE \
+ (512 * 1024 - CONFIG_SPL_ONENAND_LOAD_ADDR)
+#define CONFIG_SPL_TEXT_BASE 0x5c000000
+#define CONFIG_SPL_LDSCRIPT "board/vpac270/u-boot-spl.lds"
+#endif
/*
* Environment settings
@@ -46,12 +56,19 @@
"bootm 0xa4000000; " \
"fi; " \
"bootm 0x60000;"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "update_onenand=" \
+ "onenand erase 0x0 0x80000 ; " \
+ "onenand write 0xa0000000 0x0 0x80000"
+
#define CONFIG_BOOTARGS "console=tty0 console=ttyS0,115200"
#define CONFIG_TIMESTAMP
#define CONFIG_BOOTDELAY 2 /* Autoboot delay */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_LZMA /* LZMA compression support */
+#define CONFIG_OF_LIBFDT
/*
* Serial Console Configuration
@@ -179,16 +196,14 @@
#define CONFIG_SYS_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */
#define CONFIG_SYS_LOAD_ADDR PHYS_SDRAM_1
-#define CONFIG_SYS_IPL_LOAD_ADDR (0x5c000000)
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
-#define CONFIG_SYS_INIT_SP_ADDR \
- (PHYS_SDRAM_1 + GENERATED_GBL_DATA_SIZE + 2048)
+#define CONFIG_SYS_INIT_SP_ADDR 0x5c010000
/*
* NOR FLASH
*/
#define CONFIG_SYS_MONITOR_BASE 0x0
-#define CONFIG_SYS_MONITOR_LEN 0x40000
+#define CONFIG_SYS_MONITOR_LEN 0x80000
#define CONFIG_ENV_ADDR \
(CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
#define CONFIG_ENV_SIZE 0x4000
--
1.7.6.3
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