X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Fflash.c;h=64488e22baba0688782fdcdfcb017224ffe63e20;hp=8d9c02a92e0685b2f878b3b7b6b341fe01a30f75;hb=94909b5b893d5c60bc44bbafec8de1b3c86d9595;hpb=5da509dc909c60d63c5fba98e7ced43040eb6827

diff --git a/betty/flash.c b/betty/flash.c
index 8d9c02a..64488e2 100644
--- a/betty/flash.c
+++ b/betty/flash.c
@@ -10,7 +10,8 @@
 /*
  * sector addresses
  */
-static unsigned long sector_address[19]={
+
+unsigned long sector_address[19]={
 	0x00000,0x02000,0x03000,0x04000,0x08000,
 	0x10000,0x18000,
 	0x20000,0x28000,
@@ -96,6 +97,24 @@ void flash_sector_erase(u8 bank,u8 sector) {
 	return;
 }
 
+int flash_sec_erase(u32 addr) {
+
+	u32 a18_12;
+	u32 base;
+
+	a18_12=addr&0x00000fffff;
+	base=addr&0xff000000;
+	
+	*((volatile u16 *)(base|(0x555<<1)))=0xaa;
+	*((volatile u16 *)(base|(0x2aa<<1)))=0x55;
+	*((volatile u16 *)(base|(0x555<<1)))=0x80;
+	*((volatile u16 *)(base|(0x555<<1)))=0xaa;
+	*((volatile u16 *)(base|(0x2aa<<1)))=0x55;
+	*((volatile u16 *)(base|(a18_12<<1)))=0x30;
+
+	return 0;
+}
+
 void flash_chip_erase(u8 bank) {
 
 	u8 status;