DataFlash partition information has become a mess. This patch defines a single partition scheme for Atmel DataFlashes. This partition scheme will be used by all AT91CAP9 and AT91SAM9 boards.
Signed-off-by: Stelian Pop stelian@popies.net --- drivers/mtd/dataflash.c | 55 +++++++--------------------------------------- include/dataflash.h | 6 +---- 2 files changed, 10 insertions(+), 51 deletions(-)
diff --git a/drivers/mtd/dataflash.c b/drivers/mtd/dataflash.c index 36c99a0..79dc402 100644 --- a/drivers/mtd/dataflash.c +++ b/drivers/mtd/dataflash.c @@ -31,7 +31,7 @@ struct dataflash_addr { int cs; };
-#ifdef CONFIG_AT91SAM9260EK +#if defined(CONFIG_AT91SAM9260EK) struct dataflash_addr cs[CFG_MAX_DATAFLASH_BANKS] = { {CFG_DATAFLASH_LOGIC_ADDR_CS0, 0}, /* Logical adress, CS */ {CFG_DATAFLASH_LOGIC_ADDR_CS1, 1} @@ -48,51 +48,13 @@ struct dataflash_addr cs[CFG_MAX_DATAFLASH_BANKS] = { #endif
/*define the area offsets*/ -#if defined(CONFIG_AT91SAM9261EK) || defined(CONFIG_AT91SAM9260EK) || \ - defined(CONFIG_AT91SAM9263EK) || defined(CONFIG_AT91CAP9ADK) -#if defined(CONFIG_NEW_PARTITION) dataflash_protect_t area_list[NB_DATAFLASH_AREA] = { - {0x00000000, 0x00003FFF, FLAG_PROTECT_SET, 0, "Bootstrap"}, /* ROM code */ - {0x00004200, 0x000083FF, FLAG_PROTECT_CLEAR, 0, "Environment"}, /* u-boot environment */ - {0x00008400, 0x0003DDFF, FLAG_PROTECT_SET, 0, "U-Boot"}, /* u-boot code */ - {0x0003DE00, 0x00041FFF, FLAG_PROTECT_CLEAR, FLAG_SETENV, "MON"}, /* Room for alternative boot monitor */ - {0x00042000, 0x0018BFFF, FLAG_PROTECT_CLEAR, FLAG_SETENV, "OS"}, /* data area size to tune */ - {0x0018C000, 0xFFFFFFFF, FLAG_PROTECT_CLEAR, FLAG_SETENV, "FS"}, /* data area size to tune */ + {0x00000000, 0x000041FF, FLAG_PROTECT_SET, 0, "Bootstrap"}, + {0x00004200, 0x000083FF, FLAG_PROTECT_CLEAR, 0, "Environment"}, + {0x00008400, 0x0003DDFF, FLAG_PROTECT_SET, 0, "U-Boot"}, + {0x0003DE00, 0x0023DE3F, FLAG_PROTECT_CLEAR, 0, "Kernel"}, + {0x0023DE40, 0xFFFFFFFF, FLAG_PROTECT_CLEAR, 0, "FS"}, }; -#else -dataflash_protect_t area_list[NB_DATAFLASH_AREA] = { - {0, 0x3fff, FLAG_PROTECT_SET}, /* ROM code */ - {0x4000, 0x7fff, FLAG_PROTECT_CLEAR}, /* u-boot environment */ - {0x8000, 0x37fff, FLAG_PROTECT_SET}, /* u-boot code */ - {0x38000, 0x1fffff, FLAG_PROTECT_CLEAR}, /* data area size to tune */ -}; -#endif -#elif defined(CONFIG_NEW_PARTITION) -/*define the area offsets*/ -/* Invalid partitions should be defined with start > end */ -dataflash_protect_t area_list[NB_DATAFLASH_AREA*CFG_MAX_DATAFLASH_BANKS] = { - {0x00000000, 0x000083ff, FLAG_PROTECT_SET, 0, "Bootstrap"}, /* ROM code */ - {0x00008400, 0x00020fff, FLAG_PROTECT_SET, 0, "U-Boot"}, /* u-boot code */ - {0x00021000, 0x000293ff, FLAG_PROTECT_CLEAR, 0, "Environment"}, /* u-boot environment 8Kb */ - {0x00029400, 0x00041fff, FLAG_PROTECT_INVALID, 0, "<Unused>"}, /* Rest of Sector 1 */ - {0x00042000, 0x0018Bfff, FLAG_PROTECT_CLEAR, FLAG_SETENV, "OS"}, /* data area size to tune */ - {0x0018C000, 0xffffffff, FLAG_PROTECT_CLEAR, FLAG_SETENV, "FS"}, /* data area size to tune */ - - {0x00000000, 0xffffffff, FLAG_PROTECT_CLEAR, FLAG_SETENV, "Data"}, /* data area */ - {0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */ - {0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */ - {0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */ - {0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */ - {0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */ -}; -#else -dataflash_protect_t area_list[NB_DATAFLASH_AREA] = { - {0, 0x7fff, FLAG_PROTECT_SET}, /* ROM code */ - {0x8000, 0x1ffff, FLAG_PROTECT_SET}, /* u-boot code */ - {0x20000, 0x27fff, FLAG_PROTECT_CLEAR}, /* u-boot environment */ - {0x28000, 0x1fffff, FLAG_PROTECT_CLEAR}, /* data area size to tune */ -}; -#endif
extern void AT91F_SpiInit (void); extern int AT91F_DataflashProbe (int i, AT91PS_DataflashDesc pDesc); @@ -108,7 +70,7 @@ int AT91F_DataflashInit (void) { int i, j; int dfcode; - int part = 0; + int part; int last_part; int found[CFG_MAX_DATAFLASH_BANKS]; unsigned char protected; @@ -181,7 +143,8 @@ int AT91F_DataflashInit (void) (dataflash_info[i].Device.pages_number * dataflash_info[i].Device.pages_size)-1;
- last_part=0; + part = 0; + last_part = 0; /* set the area addresses */ for(j = 0; j<NB_DATAFLASH_AREA; j++) { if(found[i]!=0) { diff --git a/include/dataflash.h b/include/dataflash.h index fbd5e17..68f0324 100644 --- a/include/dataflash.h +++ b/include/dataflash.h @@ -38,11 +38,7 @@ #include "config.h"
/*number of protected area*/ -#ifdef CONFIG_NEW_PARTITION -# define NB_DATAFLASH_AREA 6 -#else -# define NB_DATAFLASH_AREA 4 -#endif +#define NB_DATAFLASH_AREA 5
#ifdef CFG_NO_FLASH