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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 6/7] at91: add bootstrap version
Date: Sat, 19 Jan 2013 08:35:13 +0100	[thread overview]
Message-ID: <1358580914-21443-6-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1358580914-21443-1-git-send-email-plagnioj@jcrosoft.com>

This will allow to boot from NAND/MMC and others.
This version of bootstrap is a non shell version of barebox compressed by the
pbl.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 arch/arm/mach-at91/Kconfig                  |    1 +
 arch/arm/mach-at91/Makefile                 |    1 +
 arch/arm/mach-at91/bootstrap.c              |   86 +++++++++++++++++++++++++++
 arch/arm/mach-at91/include/mach/bootstrap.h |   28 +++++++++
 4 files changed, 116 insertions(+)
 create mode 100644 arch/arm/mach-at91/bootstrap.c
 create mode 100644 arch/arm/mach-at91/include/mach/bootstrap.h

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 2925b1f..484d076 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -92,6 +92,7 @@ config SOC_AT91SAM9263
 	select HAVE_AT91_DBGU1
 	select HAS_MACB
 	select AT91SAM9_RESET
+	select HAVE_NOSHELL
 
 config SOC_AT91SAM9G45
 	bool
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 4404d23..e582f1a 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -1,6 +1,7 @@
 obj-y += setup.o clock.o gpio.o
 obj-$(CONFIG_CMD_AT91_BOOT_TEST) += boot_test_cmd.o
 
+obj-$(CONFIG_SHELL_NONE) += bootstrap.o
 lowlevel_init-y = at91sam926x_lowlevel_init.o
 lowlevel_init-$(CONFIG_ARCH_AT91RM9200) = at91rm9200_lowlevel_init.o
 obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
diff --git a/arch/arm/mach-at91/bootstrap.c b/arch/arm/mach-at91/bootstrap.c
new file mode 100644
index 0000000..2ec16f1
--- /dev/null
+++ b/arch/arm/mach-at91/bootstrap.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#include <common.h>
+#include <bootstrap.h>
+#include <mach/bootstrap.h>
+#include <sizes.h>
+#include <malloc.h>
+
+#if defined(CONFIG_MCI_ATMEL)
+#define is_mmc() 1
+#else
+#define is_mmc() 0
+#endif
+
+#ifdef CONFIG_NAND_ATMEL
+#define is_nand() 1
+#else
+#define is_nand() 0
+#endif
+
+#ifdef CONFIG_MTD_M25P80
+#define is_m25p80() 1
+#else
+#define is_m25p80() 0
+#endif
+
+#ifdef CONFIG_MTD_DATAFLASH
+#define is_dataflash() 1
+#else
+#define is_dataflash() 0
+#endif
+
+static void boot_seq(bool is_barebox)
+{
+	char *name = is_barebox ? "barebox" : "unknown";
+	int (*func)(void) = NULL;
+
+	if (is_m25p80()) {
+		func = bootstrap_board_read_m25p80();
+		printf("Boot %s from m25p80\n", name);
+		bootstrap_boot(func, is_barebox);
+		bootstrap_err("... failled\n");
+		free(func);
+	}
+	if (is_dataflash()) {
+		printf("Boot %s from dataflash\n", name);
+		func = bootstrap_board_read_dataflash();
+		bootstrap_boot(func, is_barebox);
+		bootstrap_err("... failled\n");
+		free(func);
+	}
+	if (is_nand()) {
+		printf("Boot %s from nand\n", name);
+		func = bootstrap_read_devfs("nand0", true, SZ_128K, SZ_256K, SZ_1M);
+		bootstrap_boot(func, is_barebox);
+		bootstrap_err("... failled\n");
+		free(func);
+	}
+}
+
+int run_shell(void)
+{
+	int (*func)(void) = NULL;
+
+	if (is_mmc()) {
+		printf("Boot from mmc\n");
+		func = bootstrap_read_disk("disk0.0");
+		bootstrap_boot(func, false);
+		bootstrap_err("... failled\n");
+		free(func);
+	}
+
+	/* First only bootstrap_boot a barebox */
+	boot_seq(true);
+	/* Second bootstrap_boot any */
+	boot_seq(false);
+
+	bootstrap_err("bootstrap_booting failed\n");
+	while (1);
+
+	return 0;
+}
diff --git a/arch/arm/mach-at91/include/mach/bootstrap.h b/arch/arm/mach-at91/include/mach/bootstrap.h
new file mode 100644
index 0000000..a3d19dd
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/bootstrap.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#ifndef __MACH_BOOTSTRAP_H__
+#define __MACH_BOOTSTRAP_H__
+
+#ifdef CONFIG_MTD_M25P80
+void * bootstrap_board_read_m25p80(void);
+#else
+static inline void * bootstrap_board_read_m25p80(void)
+{
+	return NULL;
+}
+#endif
+
+#ifdef CONFIG_MTD_DATAFLASH
+void * bootstrap_board_read_dataflash(void);
+#else
+static inline void * bootstrap_board_read_dataflash(void)
+{
+	return NULL;
+}
+#endif
+
+#endif /* __MACH_BOOTSTRAP_H__ */
-- 
1.7.10.4


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  parent reply	other threads:[~2013-01-19  7:36 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-19  7:33 [PATCH 0/7 v2] at91: add bootstrap support Jean-Christophe PLAGNIOL-VILLARD
2013-01-19  7:35 ` [PATCH 1/7] at91: add test commamd to emulate bootrom boot Jean-Christophe PLAGNIOL-VILLARD
2013-01-19  7:35   ` [PATCH 2/7] at91sam926x: lowlevel add external boot support Jean-Christophe PLAGNIOL-VILLARD
2013-01-19  7:35   ` [PATCH 3/7] at91: sam926x: switch lowlevel param to c code Jean-Christophe PLAGNIOL-VILLARD
2013-01-19  7:35   ` [PATCH 4/7] at91: usb-a9263 add lowlevel init Jean-Christophe PLAGNIOL-VILLARD
2013-01-19  7:35   ` [PATCH 5/7] introduce common bootstrap code Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:24     ` Sascha Hauer
2013-01-19 11:26       ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:29     ` Sascha Hauer
2013-01-19 13:36       ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-19  7:35   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-01-19  7:35   ` [PATCH 7/7] at91: usb_a9263: add bootstrap version Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:22     ` Sascha Hauer
2013-01-19 11:24       ` Jean-Christophe PLAGNIOL-VILLARD
  -- strict thread matches above, loose matches on Subject: below --
2013-01-19 11:21 [PATCH 0/7 v3] at91: add bootstrap support Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:26 ` [PATCH 1/7] at91: add test commamd to emulate bootrom boot Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:26   ` [PATCH 6/7] at91: add bootstrap version Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:31     ` Sascha Hauer
2012-12-29 10:04 [PATCH 0/7] at91: add bootstrap support Jean-Christophe PLAGNIOL-VILLARD
2012-12-29 10:08 ` [PATCH 1/7] at91: add test commamd to emulate bootrom boot Jean-Christophe PLAGNIOL-VILLARD
2012-12-29 10:08   ` [PATCH 6/7] at91: add bootstrap version Jean-Christophe PLAGNIOL-VILLARD
2013-01-02 11:41     ` Jan Lübbe
2013-01-04 13:12       ` Sascha Hauer

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