dfu, nand: before write a buffer to nand, erase the nand sectors

[karo-tx-uboot.git] / board / mx1ads / syncflash.c

diff --git a/board/mx1ads/syncflash.c b/board/mx1ads/syncflash.c
index 47f613c7fe4d294679310846d74af365997f3a23..61a882e00b20c2b37ff3e8a302abd8015b2095ed 100644 (file)
--- a/board/mx1ads/syncflash.c
+++ b/board/mx1ads/syncflash.c
@@ -57,7 +57,7 @@ flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];  /* info for FLASH chips
 
 /* Get Status register                 */
 u32 SF_SR(void) {
-       u32 tmp,tmp1;
+       u32 tmp;
 
        reg_SFCTL       = CMD_PROGRAM;
        tmp             = __REG(CONFIG_SYS_FLASH_BASE);
@@ -65,7 +65,7 @@ u32 SF_SR(void) {
        reg_SFCTL       = CMD_NORMAL;
 
        reg_SFCTL       = CMD_LCR;                      /* Activate LCR Mode            */
-       tmp1            = __REG(CONFIG_SYS_FLASH_BASE + LCR_SR_CLEAR);
+       __REG(CONFIG_SYS_FLASH_BASE + LCR_SR_CLEAR);
 
        return tmp;
 }
@@ -93,10 +93,10 @@ u8 SF_Ready(void) {
 /* Issue the precharge all command             */
 void SF_PrechargeAll(void) {
 
-       u32 tmp;
-
-       reg_SFCTL       = CMD_PREC;                     /* Set Precharge Command        */
-       tmp             = __REG(CONFIG_SYS_FLASH_BASE + SYNCFLASH_A10); /* Issue Precharge All Command */
+       /* Set Precharge Command        */
+       reg_SFCTL       = CMD_PREC;
+       /* Issue Precharge All Command */
+       __REG(CONFIG_SYS_FLASH_BASE + SYNCFLASH_A10);
 }
 
 /* set SyncFlash to normal mode                        */
@@ -109,13 +109,12 @@ void SF_Normal(void) {
 
 /* Erase SyncFlash                             */
 void SF_Erase(u32 RowAddress) {
-       u32 tmp;
 
        reg_SFCTL       = CMD_NORMAL;
-       tmp             = __REG(RowAddress);
+       __REG(RowAddress);
 
        reg_SFCTL       = CMD_PREC;
-       tmp             = __REG(RowAddress);
+       __REG(RowAddress);
 
        reg_SFCTL       = CMD_LCR;                      /* Set LCR mode         */
        __REG(RowAddress + LCR_ERASE_CONFIRM)   = 0;    /* Issue Erase Setup Command    */
@@ -152,7 +151,6 @@ void SF_NvmodeWrite(void) {
 
 ulong flash_init(void) {
        int i, j;
-       u32 tmp;
 
 /* Turn on CSD1 for negating RESETSF of SyncFLash */
 
@@ -160,7 +158,7 @@ ulong flash_init(void) {
        udelay(200);
 
        reg_SFCTL       = CMD_LMR;              /* Set Load Mode Register Command       */
-       tmp             = __REG(MODE_REG_VAL);  /* Issue Load Mode Register Command     */
+       __REG(MODE_REG_VAL);    /* Issue Load Mode Register Command     */
 
        SF_Normal();
 
@@ -276,7 +274,7 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) {
 
 /* arm simple, non interrupt dependent timer */
 
-               reset_timer_masked();
+               get_timer(0);
 
                SF_NvmodeErase();
                SF_NvmodeWrite();