diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/Makefile | 8 | ||||
| -rw-r--r-- | drivers/mtd/dataflash.c | 83 |
2 files changed, 27 insertions, 64 deletions
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile index 952e919..ff932a1 100644 --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile @@ -23,17 +23,17 @@ include $(TOPDIR)/config.mk -LIB := $(obj)libmtd.a +LIB := $(obj)libmtd.a COBJS-y += at45.o COBJS-y += cfi_flash.o -COBJS-y += dataflash.o +COBJS-$(CONFIG_HAS_DATAFLASH) += dataflash.o COBJS-y += mw_eeprom.o COBJS-$(CONFIG_FLASH_CFI_LEGACY) += jedec_flash.o COBJS := $(COBJS-y) -SRCS := $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) all: $(LIB) diff --git a/drivers/mtd/dataflash.c b/drivers/mtd/dataflash.c index 36c99a0..d8f78f2 100644 --- a/drivers/mtd/dataflash.c +++ b/drivers/mtd/dataflash.c @@ -19,7 +19,6 @@ */ #include <common.h> #include <config.h> -#ifdef CONFIG_HAS_DATAFLASH #include <asm/hardware.h> #include <dataflash.h> @@ -31,7 +30,7 @@ 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 +47,13 @@ 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 +69,7 @@ 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 +142,8 @@ 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) { @@ -224,6 +186,7 @@ int AT91F_DataflashSetEnv (void) unsigned char env; unsigned char s[32]; /* Will fit a long int in hex */ unsigned long start; + for (i = 0, part= 0; i < CFG_MAX_DATAFLASH_BANKS; i++) { for(j = 0; j<NB_DATAFLASH_AREA; j++) { env = area_list[part].setenv; @@ -297,9 +260,8 @@ void dataflash_print_info (void) } } - /*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_DataflashSelect */ +/* Function Name : AT91F_DataflashSelect */ /* Object : Select the correct device */ /*---------------------------------------------------------------------------*/ AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, @@ -326,7 +288,7 @@ AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, } /*---------------------------------------------------------------------------*/ -/* Function Name : addr_dataflash */ +/* Function Name : addr_dataflash */ /* Object : Test if address is valid */ /*---------------------------------------------------------------------------*/ int addr_dataflash (unsigned long addr) @@ -344,8 +306,9 @@ int addr_dataflash (unsigned long addr) return addr_valid; } + /*---------------------------------------------------------------------------*/ -/* Function Name : size_dataflash */ +/* Function Name : size_dataflash */ /* Object : Test if address is valid regarding the size */ /*---------------------------------------------------------------------------*/ int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, @@ -361,13 +324,15 @@ int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, return 1; } + /*---------------------------------------------------------------------------*/ -/* Function Name : prot_dataflash */ +/* Function Name : prot_dataflash */ /* Object : Test if destination area is protected */ /*---------------------------------------------------------------------------*/ int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr) { -int area; + int area; + /* find area */ for (area=0; area < NB_DATAFLASH_AREA; area++) { if ((addr >= pdataFlash->pDevice->area_list[area].start) && @@ -385,6 +350,7 @@ int area; return 1; } + /*--------------------------------------------------------------------------*/ /* Function Name : dataflash_real_protect */ /* Object : protect/unprotect area */ @@ -392,7 +358,8 @@ int area; int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr) { -int i,j, area1, area2, addr_valid = 0; + int i,j, area1, area2, addr_valid = 0; + /* find dataflash */ for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) { if ((((int) start_addr) & 0xF0000000) == @@ -435,7 +402,7 @@ int i,j, area1, area2, addr_valid = 0; } /*---------------------------------------------------------------------------*/ -/* Function Name : read_dataflash */ +/* Function Name : read_dataflash */ /* Object : dataflash memory read */ /*---------------------------------------------------------------------------*/ int read_dataflash (unsigned long addr, unsigned long size, char *result) @@ -454,9 +421,8 @@ int read_dataflash (unsigned long addr, unsigned long size, char *result) return (AT91F_DataFlashRead (pFlash, AddrToRead, size, result)); } - /*---------------------------------------------------------------------------*/ -/* Function Name : write_dataflash */ +/* Function Name : write_dataflash */ /* Object : write a block in dataflash */ /*---------------------------------------------------------------------------*/ int write_dataflash (unsigned long addr_dest, unsigned long addr_src, @@ -483,7 +449,6 @@ int write_dataflash (unsigned long addr_dest, unsigned long addr_src, AddrToWrite, size); } - void dataflash_perror (int err) { switch (err) { @@ -509,5 +474,3 @@ void dataflash_perror (int err) break; } } - -#endif |