From: Alessandro Rubini rubini@unipv.it
The evaluation kit has both Nand and OneNand, both drivers are there and the two configurations only select a different default for the jffs partition. This adds the OneNand driver and cleans up storage.
Signed-off-by: Alessandro Rubini rubini@unipv.it Acked-by: Andrea Gallo andrea.gallo@stericsson.com --- Makefile | 4 +- board/st/nhk8815/nhk8815.c | 4 +++ doc/README.nhk8815 | 10 +++++++++ include/configs/nhk8815.h | 49 +++++++++++++++++++++++++++---------------- 4 files changed, 47 insertions(+), 20 deletions(-)
diff --git a/Makefile b/Makefile index 37e50f0..d2454c8 100644 --- a/Makefile +++ b/Makefile @@ -2845,9 +2845,9 @@ nhk8815_onenand_config: unconfig @ > $(obj)include/config.h @if [ "$(findstring _onenand, $@)" ] ; then \ echo "#define CONFIG_BOOT_ONENAND" >> $(obj)include/config.h; \ - $(XECHO) "... configured for OneNand Flash"; \ + $(XECHO) "... configured to boot from OneNand Flash"; \ else \ - $(XECHO) "... configured for Nand Flash"; \ + $(XECHO) "... configured to boot from Nand Flash"; \ fi @$(MKCONFIG) -a nhk8815 arm arm926ejs nhk8815 st nomadik
diff --git a/board/st/nhk8815/nhk8815.c b/board/st/nhk8815/nhk8815.c index edf4626..085a5e0 100644 --- a/board/st/nhk8815/nhk8815.c +++ b/board/st/nhk8815/nhk8815.c @@ -53,6 +53,10 @@ int board_init(void) writel(0x0000305b, REG_FSMC_BCR1); writel(0x00033f33, REG_FSMC_BTR1);
+ /* Set up SMCS0 for OneNand: sram-like once again */ + writel(0x000030db, NOMADIK_FSMC_BASE + 0x00); /* FSMC_BCR0 */ + writel(0x02100551, NOMADIK_FSMC_BASE + 0x04); /* FSMC_BTR0 */ + icache_enable(); return 0; } diff --git a/doc/README.nhk8815 b/doc/README.nhk8815 index 453cfae..9008e39 100644 --- a/doc/README.nhk8815 +++ b/doc/README.nhk8815 @@ -15,6 +15,16 @@ SDRAM configuration, PLL setup and initial loading from NAND is implemented in the X-Loader, so U-Boot is already running in SDRAM when control is handed over to it.
+The Makefile offers two different configurations to be used if you +boot from Nand or OneNand. + + make nhk8815_config + make nhk8815_onenand_config + +Both support OneNand and Nand. Since U-Boot, running in RAM, can't know +where it was loaded from, the configurations differ in where the filesystem +is looked for by default. +
On www.st.com/nomadik and on www.stnwireless.com there are documents, summary data and white papers on Nomadik. The full datasheet for diff --git a/include/configs/nhk8815.h b/include/configs/nhk8815.h index 321adfa..bf1a915 100644 --- a/include/configs/nhk8815.h +++ b/include/configs/nhk8815.h @@ -55,6 +55,7 @@ #define CONFIG_SYS_HUSH_PARSER #define CONFIG_SYS_PROMPT "Nomadik> " #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_CMDLINE_EDITING #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ + sizeof(CONFIG_SYS_PROMPT) + 16) @@ -90,6 +91,7 @@ #define CONFIG_SYS_MEMTEST_END 0x0FFFFFFF #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 256 * 1024) #define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */ +#define CONFIG_SYS_64BIT_VSPRINTF /* mtd desires this */
#define CONFIG_MISC_INIT_R /* call misc_init_r during start up */
@@ -120,43 +122,54 @@ #define CONFIG_SMC_USE_32_BIT #define CONFIG_BOOTFILE "uImage"
-/* flash memory and filesystem information */ -#define CONFIG_DOS_PARTITION +/* Storage information: onenand and nand */ +#define CONFIG_CMD_ONENAND #define CONFIG_MTD_ONENAND_VERIFY_WRITE #define CONFIG_SYS_ONENAND_BASE 0x30000000 + +#define CONFIG_CMD_NAND #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_BASE 0x40000000 /* SMPS0n */
+/* + * Filesystem information + * + * Since U-Boot has been loaded to RAM by vendor code, we could use + * either or both OneNand and Nand. However, we need to know where the + * filesystem lives. Comments below report vendor-selected partitions + */ #ifdef CONFIG_BOOT_ONENAND - -# define CONFIG_CMD_ONENAND /* Temporary: nand and onenand can't coexist */ /* Partition Size Start * XloaderTOC + X-Loader 256KB 0x00000000 * Memory init function 256KB 0x00040000 - * U-Boot 2MB 0x00080000 + * U-Boot + env 2MB 0x00080000 * Sysimage (kernel + ramdisk) 4MB 0x00280000 * JFFS2 Root filesystem 22MB 0x00680000 * JFFS2 User Data 227.5MB 0x01C80000 */ -# define CONFIG_JFFS2_PART_SIZE 0x400000 -# define CONFIG_JFFS2_PART_OFFSET 0x280000 - +# define CONFIG_JFFS2_DEV "onenand0" +# define CONFIG_JFFS2_PART_SIZE 0x01600000 +# define CONFIG_JFFS2_PART_OFFSET 0x00680000 # define CONFIG_ENV_IS_IN_ONENAND -# define CONFIG_ENV_SIZE (256 * 1024) -# define CONFIG_ENV_ADDR 0x30300000 - -#else /* ! CONFIG_BOOT_ONENAND */ - -# define CONFIG_CMD_NAND /* Temporary: nand and onenand can't coexist */ +# define CONFIG_ENV_SIZE 0x20000 /* 128 Kb - one sector */ +# define CONFIG_ENV_ADDR (0x00280000 - CONFIG_ENV_SIZE)
+#else /* BOOT_NAND */ + /* Partition Size Start + * XloaderTOC + X-Loader 256KB 0x00000000 + * Memory init function 256KB 0x00040000 + * U-Boot + env 2MB 0x00080000 + * Kernel Image 3MB 0x00280000 + * JFFS2 Root filesystem 22MB 0x00580000 + * JFFS2 User Data 100.5MB 0x01b80000 + */ # define CONFIG_JFFS2_DEV "nand0" # define CONFIG_JFFS2_NAND 1 /* For the jffs2 support*/ -# define CONFIG_JFFS2_PART_SIZE 0x00300000 -# define CONFIG_JFFS2_PART_OFFSET 0x00280000 - +# define CONFIG_JFFS2_PART_SIZE 0x01600000 +# define CONFIG_JFFS2_PART_OFFSET 0x00580000 # define CONFIG_ENV_IS_IN_NAND # define CONFIG_ENV_SIZE 0x20000 /* 128 Kb - one sector */ -# define CONFIG_ENV_OFFSET (0x8000000 - CONFIG_ENV_SIZE) +# define CONFIG_ENV_OFFSET (0x00280000 - CONFIG_ENV_SIZE)
#endif /* CONFIG_BOOT_ONENAND */