Patchwork [U-Boot,4/6] omap3evm: Add (quick) configuration for MMC/SD only

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Submitter Sanjeev Premi
Date Sept. 30, 2011, 11:18 a.m.
Message ID <1317381541-2137-5-git-send-email-premi@ti.com>
Download mbox | patch
Permalink /patch/117097/
State Superseded
Delegated to: Tom Rini
Headers show

Comments

Sanjeev Premi - Sept. 30, 2011, 11:18 a.m.
Add an optimized board configuration that only
supports boot from MMC/SD.

Signed-off-by: Sanjeev Premi <premi@ti.com>
---

 This patch was tested on OMAP3EVM Rev G.

 boards.cfg                            |    1 +
 include/configs/omap3_evm_quick_mmc.h |   91 +++++++++++++++++++++++++++++++++
 2 files changed, 92 insertions(+), 0 deletions(-)
 create mode 100644 include/configs/omap3_evm_quick_mmc.h

Patch

diff --git a/boards.cfg b/boards.cfg
index 8a5bfc1..4277daf 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -174,6 +174,7 @@  omap3_zoom1                  arm         armv7       zoom1               logicpd
 omap3_zoom2                  arm         armv7       zoom2               logicpd        omap3
 omap3_beagle                 arm         armv7       beagle              ti             omap3
 omap3_evm                    arm         armv7       evm                 ti             omap3
+omap3_evm_quick_mmc          arm         armv7       evm                 ti             omap3
 omap3_sdp3430                arm         armv7       sdp3430             ti             omap3
 devkit8000                   arm         armv7       devkit8000          timll          omap3
 omap4_panda                  arm         armv7       panda               ti             omap4
diff --git a/include/configs/omap3_evm_quick_mmc.h b/include/configs/omap3_evm_quick_mmc.h
new file mode 100644
index 0000000..8e4467e
--- /dev/null
+++ b/include/configs/omap3_evm_quick_mmc.h
@@ -0,0 +1,91 @@ 
+/*
+ * Configuration settings for quick boot from MMC on OMAP3 EVM.
+ *
+ * Copyright (C) 2006-2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author :
+ *     Sanjeev Premi <premi@ti.com>
+ *
+ * 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 "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __OMAP3_EVM_QUICK_MMC_H
+#define __OMAP3_EVM_QUICK_MMC_H
+
+#include <asm/arch/cpu.h>
+#include <asm/arch/omap3.h>
+
+/* ----------------------------------------------------------------------------
+ * Supported U-boot commands
+ * ----------------------------------------------------------------------------
+ */
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_FAT
+
+/*
+ * Board revision is detected by probing the Ethernet chip.
+ *
+ * When revision is statically configured via CONFIG_STATIC_BOARD_REV,
+ * this option can be removed. Generated binary is leaner by ~16Kbytes.
+ */
+#define CONFIG_CMD_NET
+
+/* ----------------------------------------------------------------------------
+ * Supported U-boot features
+ * ----------------------------------------------------------------------------
+ */
+#define CONFIG_SILENT_CONSOLE
+#define CONFIG_ENV_IS_NOWHERE
+
+/* ----------------------------------------------------------------------------
+ * Supported hardware
+ * ----------------------------------------------------------------------------
+ */
+
+/* MMC */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_OMAP_HSMMC
+#define CONFIG_DOS_PARTITION
+
+/* -----------------------------------------------------------------------------
+ * Include common board configuration
+ * -----------------------------------------------------------------------------
+ */
+#include "omap3_evm_common.h"
+
+/* -----------------------------------------------------------------------------
+ * Default environment
+ * -----------------------------------------------------------------------------
+ */
+#define CONFIG_BOOTDELAY	0
+
+#define CONFIG_EXTRA_ENV_SETTINGS	\
+	"verify=no\0"			\
+	"silent=1"
+
+#define CONFIG_BOOTCOMMAND			\
+	"mmc rescan 0; "			\
+	"fatload mmc 0 0x82000000 uImage; "	\
+	"bootm 0x82000000;"
+
+/*
+ * Update the bootargs as necessary e.g. size of memory, partition and fstype
+ */
+#define CONFIG_BOOTARGS			\
+	"quiet "			\
+	"console=ttyO0,115200n8 "	\
+	"mem=128M "			\
+	"noinitrd "			\
+	"root=/dev/mmcblk0p2 rw "	\
+	"rootfstype=ext2 rootwait"
+
+#endif /* __OMAP3_EVM_QUICK_MMC_H */