omap3evm: Prepare to split configuration

This patch marks the beginning of steps that would
lead to clean and easy split of the configuration
file. Common portion can then be re-used by other
configurations.

Signed-off-by: Sanjeev Premi <premi@ti.com>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h
index ed6da30294aa8336d9eca27547e6d2cd80b7ed9c..cdeca78ecbb99c12e849cb91dd5269c47f83593e 100644 (file)
--- a/include/configs/omap3_evm.h
+++ b/include/configs/omap3_evm.h
@@ -1,6 +1,8 @@
 /*
- * (C) Copyright 2006-2008
- * Texas Instruments.
+ * Configuration settings for the TI OMAP3 EVM board.
+ *
+ * Copyright (C) 2006-2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
  * Author :
  *     Manikandan Pillai <mani.pillai@ti.com>
  * Derived from Beagle Board and 3430 SDP code by
@@ -9,8 +11,6 @@
  *
  * Manikandan Pillai <mani.pillai@ti.com>
  *
- * Configuration settings for the TI OMAP3 EVM board.
- *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -30,11 +30,130 @@
  * MA 02111-1307 USA
  */
 
-#ifndef __CONFIG_H
-#define __CONFIG_H
+#ifndef __OMAP3EVM_CONFIG_H
+#define __OMAP3EVM_CONFIG_H
+
+#include <asm/arch/cpu.h>
+#include <asm/arch/omap3.h>
+
+/* =============================================================================
+ * This section holds the common definitions that correspond to the
+ * current default configuration - omap3_evm_config
+ * =============================================================================
+ */
+
+/* ----------------------------------------------------------------------------
+ * Supported U-boot commands
+ * ----------------------------------------------------------------------------
+ */
+
+/* Default commands to include */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_EXT2                /* EXT2 Support                 */
+#define CONFIG_CMD_FAT         /* FAT support                  */
+#define CONFIG_CMD_JFFS2       /* JFFS2 Support                */
+
+#define CONFIG_CMD_I2C         /* I2C serial bus support       */
+#define CONFIG_CMD_MMC         /* MMC support                  */
+#define CONFIG_CMD_NAND                /* NAND support                 */
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_PING
+
+#undef CONFIG_CMD_FLASH                /* flinfo, erase, protect       */
+#undef CONFIG_CMD_FPGA         /* FPGA configuration Support   */
+#undef CONFIG_CMD_IMI          /* iminfo                       */
+#undef CONFIG_CMD_IMLS         /* List all found images        */
+
+/* ----------------------------------------------------------------------------
+ * Supported U-boot features
+ * ----------------------------------------------------------------------------
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_HUSH_PARSER
+
+/* Display CPU and Board information */
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+/* Allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/* Add auto-completion support */
+#define CONFIG_AUTO_COMPLETE
+
+/* ----------------------------------------------------------------------------
+ * Supported hardware
+ * ----------------------------------------------------------------------------
+ */
+
+/* MMC */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_OMAP_HSMMC
+#define CONFIG_DOS_PARTITION
+
+/* USB
+ *
+ * Enable CONFIG_MUSB_HCD for Host functionalities MSC, keyboard
+ * Enable CONFIG_MUSB_UDD for Device functionalities.
+ */
+#define CONFIG_USB_OMAP3
+#define CONFIG_MUSB_HCD
+/* #define CONFIG_MUSB_UDC */
+
+/* -----------------------------------------------------------------------------
+ * Default environment
+ * -----------------------------------------------------------------------------
+ */
+#define CONFIG_BOOTDELAY       10
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+       "loadaddr=0x82000000\0" \
+       "usbtty=cdc_acm\0" \
+       "mmcdev=0\0" \
+       "memsize=128M\0" \
+       "console=ttyO0,115200n8\0" \
+       "mmcargs=setenv bootargs console=${console} " \
+               "mem=${memsize}\0 " \
+               "root=/dev/mmcblk0p2 rw " \
+               "rootfstype=ext3 rootwait\0" \
+       "nandargs=setenv bootargs console=${console} " \
+               "mem=${memsize}\0 " \
+               "root=/dev/mtdblock4 rw " \
+               "rootfstype=jffs2\0" \
+       "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+       "bootscript=echo Running bootscript from mmc ...; " \
+               "source ${loadaddr}\0" \
+       "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
+       "mmcboot=echo Booting from mmc ...; " \
+               "run mmcargs; " \
+               "bootm ${loadaddr}\0" \
+       "nandboot=echo Booting from nand ...; " \
+               "run nandargs; " \
+               "onenand read ${loadaddr} 280000 400000; " \
+               "bootm ${loadaddr}\0" \
+
+#define CONFIG_BOOTCOMMAND \
+       "if mmc rescan ${mmcdev}; then " \
+               "if run loadbootscript; then " \
+                       "run bootscript; " \
+               "else " \
+                       "if run loaduimage; then " \
+                               "run mmcboot; " \
+                       "else run nandboot; " \
+                       "fi; " \
+               "fi; " \
+       "else run nandboot; fi"
+
+/* =============================================================================
+ * This section holds the common definitions that can be used by
+ * all OMAP3EVM based configurations.
+ * =============================================================================
+ */
 
 /*
- * High Level Configuration Options
+ * High level configuration options
  */
 #define CONFIG_OMAP                    /* This is TI OMAP core */
 #define CONFIG_OMAP34XX                        /* belonging to 34XX family */
@@ -46,12 +165,6 @@
 #define CONFIG_OMAP3_MICRON_DDR                /* with MICRON DDR part */
 #define CONFIG_TWL4030_POWER           /* with TWL4030 PMIC */
 
-/*
- * Get cpu and chip specific definitions
- */
-#include <asm/arch/cpu.h>
-#include <asm/arch/omap3.h>
-
 #undef CONFIG_USE_IRQ                  /* no support for IRQs */
 
 /*
@@ -77,10 +190,10 @@
 
 /*
  * Stack sizes
- *
- * The stack sizes are set up in start.S using the settings below
+ * These values are used in start.S
  */
 #define CONFIG_STACKSIZE       (128 << 10)     /* regular stack 128 KiB */
+
 #ifdef CONFIG_USE_IRQ
 #define CONFIG_STACKSIZE_IRQ   (4 << 10)       /* IRQ stack 4 KiB */
 #define CONFIG_STACKSIZE_FIQ   (4 << 10)       /* FIQ stack 4 KiB */
@@ -193,22 +306,8 @@
 #define CONFIG_JFFS2_PART_SIZE         0xf980000
 
 /*
- * MMC
+ * USB
  */
-#define CONFIG_MMC
-#define CONFIG_GENERIC_MMC
-#define CONFIG_OMAP_HSMMC
-#define CONFIG_DOS_PARTITION
-
-/* USB
- *
- * Enable CONFIG_MUSB_HCD for Host functionalities MSC, keyboard
- * Enable CONFIG_MUSB_UDD for Device functionalities.
- */
-#define CONFIG_USB_OMAP3
-#define CONFIG_MUSB_HCD
-/* #define CONFIG_MUSB_UDC */
-
 #ifdef CONFIG_USB_OMAP3
 
 #ifdef CONFIG_MUSB_HCD
@@ -244,16 +343,10 @@
  * U-boot features
  * ----------------------------------------------------------------------------
  */
-#define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_HUSH_PARSER
 #define CONFIG_SYS_PROMPT              "OMAP3_EVM # "
 #define CONFIG_SYS_PROMPT_HUSH_PS2     "> "
 #define CONFIG_SYS_MAXARGS             16      /* max args for a command */
 
-/* Display CPU and Board information */
-#define CONFIG_DISPLAY_CPUINFO
-#define CONFIG_DISPLAY_BOARDINFO
-
 #define CONFIG_MISC_INIT_R
 
 #define CONFIG_CMDLINE_TAG                     /* enable passing of ATAGs */
@@ -261,12 +354,6 @@
 #define CONFIG_INITRD_TAG
 #define CONFIG_REVISION_TAG
 
-/* Allow to overwrite serial and ethaddr */
-#define CONFIG_ENV_OVERWRITE
-
-/* Add auto-completion support */
-#define CONFIG_AUTO_COMPLETE
-
 /* Size of Console IO buffer */
 #define CONFIG_SYS_CBSIZE              512
 
@@ -277,28 +364,11 @@
 /* Size of bootarg buffer */
 #define CONFIG_SYS_BARGSIZE            (CONFIG_SYS_CBSIZE)
 
-/* Default commands to include */
-#include <config_cmd_default.h>
-
-#define CONFIG_CMD_EXT2                /* EXT2 Support                 */
-#define CONFIG_CMD_FAT         /* FAT support                  */
-#define CONFIG_CMD_JFFS2       /* JFFS2 Support                */
-
-#define CONFIG_CMD_I2C         /* I2C serial bus support       */
-#define CONFIG_CMD_MMC         /* MMC support                  */
-#define CONFIG_CMD_NAND                /* NAND support                 */
-#define CONFIG_CMD_DHCP
-#define CONFIG_CMD_PING
-
-#undef CONFIG_CMD_FLASH                /* flinfo, erase, protect       */
-#undef CONFIG_CMD_FPGA         /* FPGA configuration Support   */
-#undef CONFIG_CMD_IMI          /* iminfo                       */
-#undef CONFIG_CMD_IMLS         /* List all found images        */
+#define CONFIG_BOOTFILE                        uImage
 
 /*
- * Additional definitions that depend on chosen commands
+ * NAND / OneNAND
  */
-/* NAND */
 #if defined(CONFIG_CMD_NAND)
 #define CONFIG_SYS_FLASH_BASE          PISMO1_NAND_BASE
 
@@ -390,4 +460,4 @@
                "fi; " \
        "else run nandboot; fi"
 
-#endif /* __CONFIG_H */
+#endif /* __OMAP3EVM_CONFIG_H */