at91: Choose environment variables location within make config target

This patch adds the possiblity to choose the media where the environment will
be located. This allow to choose this fundamental configuration without editing
config files.

Documentation file added.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Stelian Pop <stelian@popies.net>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

diff --git a/Makefile b/Makefile
index befb6081a8221f0db92b36c2aa068d614f259fce..2ac8141f9c1a21fecc449d043c3d09a3a287d9c4 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2582,17 +2582,63 @@ afeb9260_config:        unconfig
 at91cap9adk_config     :       unconfig
        @$(MKCONFIG) $(@:_config=) arm arm926ejs at91cap9adk atmel at91
 
+at91sam9260ek_nandflash_config \
+at91sam9260ek_dataflash_cs0_config \
+at91sam9260ek_dataflash_cs1_config \
 at91sam9260ek_config   :       unconfig
-       @$(MKCONFIG) $(@:_config=) arm arm926ejs at91sam9260ek atmel at91
+       @if [ "$(findstring _nandflash,$@)" ] ; then \
+               echo "#define CONFIG_SYS_USE_NANDFLASH 1"       >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in NAND FLASH" ; \
+       elif [ "$(findstring dataflash_cs0,$@)" ] ; then \
+               echo "#define CONFIG_SYS_USE_DATAFLASH_CS0 1"   >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
+       else \
+               echo "#define CONFIG_SYS_USE_DATAFLASH_CS1 1"   >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in SPI DATAFLASH CS1" ; \
+       fi;
+       @$(MKCONFIG) -a at91sam9260ek arm arm926ejs at91sam9260ek atmel at91
 
+at91sam9261ek_nandflash_config \
+at91sam9261ek_dataflash_cs0_config \
+at91sam9261ek_dataflash_cs3_config \
 at91sam9261ek_config   :       unconfig
-       @$(MKCONFIG) $(@:_config=) arm arm926ejs at91sam9261ek atmel at91
+       @if [ "$(findstring _nandflash,$@)" ] ; then \
+               echo "#define CONFIG_SYS_USE_NANDFLASH 1"       >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in NAND FLASH" ; \
+       elif [ "$(findstring dataflash_cs3,$@)" ] ; then \
+               echo "#define CONFIG_SYS_USE_DATAFLASH_CS3 1"   >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in SPI DATAFLASH CS3" ; \
+       else \
+               echo "#define CONFIG_SYS_USE_DATAFLASH_CS0 1"   >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
+       fi;
+       @$(MKCONFIG) -a at91sam9261ek arm arm926ejs at91sam9261ek atmel at91
 
+at91sam9263ek_nandflash_config \
+at91sam9263ek_dataflash_config \
+at91sam9263ek_dataflash_cs0_config \
 at91sam9263ek_config   :       unconfig
-       @$(MKCONFIG) $(@:_config=) arm arm926ejs at91sam9263ek atmel at91
+       @if [ "$(findstring _nandflash,$@)" ] ; then \
+               echo "#define CONFIG_SYS_USE_NANDFLASH 1"       >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in NAND FLASH" ; \
+       else \
+               echo "#define CONFIG_SYS_USE_DATAFLASH 1"       >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
+       fi;
+       @$(MKCONFIG) -a at91sam9263ek arm arm926ejs at91sam9263ek atmel at91
 
+at91sam9rlek_nandflash_config \
+at91sam9rlek_dataflash_config \
+at91sam9rlek_dataflash_cs0_config \
 at91sam9rlek_config    :       unconfig
-       @$(MKCONFIG) $(@:_config=) arm arm926ejs at91sam9rlek atmel at91
+       @if [ "$(findstring _nandflash,$@)" ] ; then \
+               echo "#define CONFIG_SYS_USE_NANDFLASH 1"       >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in NAND FLASH" ; \
+       else \
+               echo "#define CONFIG_SYS_USE_DATAFLASH 1"       >>$(obj)include/config.h ; \
+               $(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
+       fi;
+       @$(MKCONFIG) -a at91sam9rlek arm arm926ejs at91sam9rlek atmel at91
 
 ########################################################################
 ## ARM Integrator boards - see doc/README-integrator for more info.

diff --git a/doc/README.at91 b/doc/README.at91
new file mode 100644 (file)
index 0000000..838769a
--- /dev/null
+++ b/doc/README.at91
@@ -0,0 +1,88 @@
+Atmel AT91 Evaluation kits
+
+http://atmel.com/dyn/products/tools.asp?family_id=605#1443
+
+------------------------------------------------------------------------------
+AT91SAM9260EK
+------------------------------------------------------------------------------
+
+Memory map
+       0x20000000 - 23FFFFFF   SDRAM (64 MB)
+       0xC0000000 - Cxxxxxxx   Atmel Dataflash card (J13)
+       0xD0000000 - Dxxxxxxx   Soldered Atmel Dataflash
+
+Environment variables
+
+       U-Boot environment variables can be stored at different places:
+               - Dataflash on SPI chip select 1 (default)
+               - Dataflash on SPI chip select 0 (dataflash card)
+               - Nand flash.
+
+       You can choose your storage location at config step (here for at91sam9260ek) :
+               make at91sam9260ek_config               - use data flash (spi cs1) (default)
+               make at91sam9260ek_nandflash_config     - use nand flash
+               make at91sam9260ek_dataflash_cs0_config - use data flash (spi cs0)
+               make at91sam9260ek_dataflash_cs1_config - use data flash (spi cs1)
+
+
+------------------------------------------------------------------------------
+AT91SAM9261EK
+------------------------------------------------------------------------------
+
+Memory map
+       0x20000000 - 23FFFFFF   SDRAM (64 MB)
+       0xC0000000 - Cxxxxxxx   Soldered Atmel Dataflash
+       0xD0000000 - Dxxxxxxx   Atmel Dataflash card (J22)
+
+Environment variables
+
+       U-Boot environment variables can be stored at different places:
+               - Dataflash on SPI chip select 0 (default)
+               - Dataflash on SPI chip select 3 (dataflash card)
+               - Nand flash.
+
+       You can choose your storage location at config step (here for at91sam9260ek) :
+               make at91sam9261ek_config               - use data flash (spi cs0) (default)
+               make at91sam9261ek_nandflash_config     - use nand flash
+               make at91sam9261ek_dataflash_cs0_config - use data flash (spi cs0)
+               make at91sam9261ek_dataflash_cs3_config - use data flash (spi cs3)
+
+
+------------------------------------------------------------------------------
+AT91SAM9263EK
+------------------------------------------------------------------------------
+
+Memory map
+       0x20000000 - 23FFFFFF   SDRAM (64 MB)
+       0xC0000000 - Cxxxxxxx   Atmel Dataflash card (J9)
+
+Environment variables
+
+       U-Boot environment variables can be stored at different places:
+               - Dataflash on SPI chip select 0 (dataflash card)
+               - Nand flash.
+
+       You can choose your storage location at config step (here for at91sam9260ek) :
+               make at91sam9263ek_config               - use data flash (spi cs0) (default)
+               make at91sam9263ek_nandflash_config     - use nand flash
+               make at91sam9263ek_dataflash_cs0_config - use data flash (spi cs0)
+
+
+------------------------------------------------------------------------------
+AT91SAM9RLEK
+------------------------------------------------------------------------------
+
+Memory map
+       0x20000000 - 23FFFFFF   SDRAM (64 MB)
+       0xC0000000 - Cxxxxxxx   Soldered Atmel Dataflash
+
+Environment variables
+
+       U-Boot environment variables can be stored at different places:
+               - Dataflash on SPI chip select 0
+               - Nand flash.
+
+       You can choose your storage location at config step (here for at91sam9260ek) :
+               make at91sam9263ek_config               - use data flash (spi cs0) (default)
+               make at91sam9263ek_nandflash_config     - use nand flash
+               make at91sam9263ek_dataflash_cs0_config - use data flash (spi cs0)

diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index fbc470fbe0a0ef7a92a30227bb8d3234390f895a..2df8d549156291b6003dd6d9d8b3c1b698665b4b 100644 (file)
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -131,10 +131,6 @@
 #define CONFIG_SYS_MEMTEST_START               PHYS_SDRAM
 #define CONFIG_SYS_MEMTEST_END                 0x23e00000
 
-#undef CONFIG_SYS_USE_DATAFLASH_CS0
-#define CONFIG_SYS_USE_DATAFLASH_CS1           1
-#undef CONFIG_SYS_USE_NANDFLASH
-
 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */

diff --git a/include/configs/at91sam9261ek.h b/include/configs/at91sam9261ek.h
index bd668235d3889e76a702b322585cf7f9feb7e175..0016b4fbfb7d2aa6a17daf19ea88d5860b35f6cf 100644 (file)
--- a/include/configs/at91sam9261ek.h
+++ b/include/configs/at91sam9261ek.h
@@ -144,15 +144,12 @@
 #define CONFIG_SYS_MEMTEST_START               PHYS_SDRAM
 #define CONFIG_SYS_MEMTEST_END                 0x23e00000
 
-#define CONFIG_SYS_USE_DATAFLASH_CS0           1
-#undef CONFIG_SYS_USE_NANDFLASH
-
 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
 #define CONFIG_ENV_IS_IN_DATAFLASH     1
 #define CONFIG_SYS_MONITOR_BASE        (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
-#define CONFIG_ENV_OFFSET              0x4200
+#define CONFIG_ENV_OFFSET      0x4200
 #define CONFIG_ENV_ADDR                (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
 #define CONFIG_ENV_SIZE                0x4200
 #define CONFIG_BOOTCOMMAND     "cp.b 0xC0042000 0x22000000 0x210000; bootm"
@@ -161,6 +158,20 @@
                                "mtdparts=at91_nand:-(root) "           \
                                "rw rootfstype=jffs2"
 
+#elif CONFIG_SYS_USE_DATAFLASH_CS3
+
+/* bootstrap + u-boot + env + linux in dataflash on CS3 */
+#define CONFIG_ENV_IS_IN_DATAFLASH     1
+#define CONFIG_SYS_MONITOR_BASE        (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 + 0x8400)
+#define CONFIG_ENV_OFFSET      0x4200
+#define CONFIG_ENV_ADDR                (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE                0x4200
+#define CONFIG_BOOTCOMMAND     "cp.b 0xD0042000 0x22000000 0x210000; bootm"
+#define CONFIG_BOOTARGS                "console=ttyS0,115200 "                 \
+                               "root=/dev/mtdblock0 "                  \
+                               "mtdparts=at91_nand:-(root) "           \
+                               "rw rootfstype=jffs2"
+
 #else /* CONFIG_SYS_USE_NANDFLASH */
 
 /* bootstrap + u-boot + env + linux in nandflash */

diff --git a/include/configs/at91sam9263ek.h b/include/configs/at91sam9263ek.h
index a2b09ca9f7c1eb27894f99ec7025627ffbc02bf8..fc7c94126e65a3e70c1ee38dcbfe95f13cec1f2e 100644 (file)
--- a/include/configs/at91sam9263ek.h
+++ b/include/configs/at91sam9263ek.h
@@ -151,9 +151,6 @@
 #define CONFIG_SYS_MEMTEST_START               PHYS_SDRAM
 #define CONFIG_SYS_MEMTEST_END                 0x23e00000
 
-#define CONFIG_SYS_USE_DATAFLASH               1
-#undef CONFIG_SYS_USE_NANDFLASH
-
 #ifdef CONFIG_SYS_USE_DATAFLASH
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */

diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 35dac47ba1cccdbd3c33302233d9899e340a9da4..35fefc4213142e76ebd3e7fb8a8d5f19e8916094 100644 (file)
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -118,9 +118,6 @@
 #define CONFIG_SYS_MEMTEST_START               PHYS_SDRAM
 #define CONFIG_SYS_MEMTEST_END                 0x23e00000
 
-#define CONFIG_SYS_USE_DATAFLASH               1
-#undef CONFIG_SYS_USE_NANDFLASH
-
 #ifdef CONFIG_SYS_USE_DATAFLASH
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */