[U-Boot-Users] [PATCH ARM/AT91 10/10] Cleanup DataFlash partition handling
Stelian Pop
stelian at popies.net
Wed Mar 26 22:52:36 CET 2008
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 at 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
--
1.5.3.3
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