X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=betty%2Ffwflash.c;h=f138dc100316914fc1d33349f3bf5498588f306f;hb=d9929818aa52c56daa1d89d1753e171b45c8608a;hp=c4a2155a6089a71ce083c36b7bf6fb466bc2187a;hpb=783e1e614cda26e0868c909561fb0c0029b26391;p=my-code%2Farm.git

diff --git a/betty/fwflash.c b/betty/fwflash.c
index c4a2155..f138dc1 100644
--- a/betty/fwflash.c
+++ b/betty/fwflash.c
@@ -68,6 +68,8 @@ unsigned long sector_address[19]={
  * functions
  */
 
+void uart0_send_byte(u8 send);
+
 void mmap_init(u8 memtype) {
 
 	MEMMAP=memtype;
@@ -86,105 +88,6 @@ void pll_init(void) {
 		continue;
 }
 
-int flash_sector_erase(u8 flash,u8 sector) {
-
-	u32 a18_12;
-	u32 base;
-
-	if(sector>18)
-		return -1;
-	a18_12=sector_address[sector]<<1;
-
-	if((flash!='0')|(flash!='2'))
-		return -1;
-
-	switch(flash) {
-		case '0':
-			base=0x80000000;
-			B0F555=0xaa;
-			B0F2AA=0x55;
-			B0F555=0x80;
-			B0F555=0xaa;
-			B0F2AA=0x55;
-			*((volatile u16 *)(base|a18_12))=0x30;
-			break;
-		case '2': 
-			base=0x82000000;
-			B2F555=0xaa;
-			B2F2AA=0x55;
-			B2F555=0x80;
-			B2F555=0xaa;
-			B2F2AA=0x55;
-			*((volatile u16 *)(base|a18_12))=0x30;
-			break;
-		default:
-			return -1;
-	}
-
-	return 0;
-}
-
-int flash_chip_erase(u8 bank) {
-
-	if((bank!='0')|(bank!='2'))
-		return -1;
-
-	if(bank=='0') {
-		B0F555=0xaa;
-		B0F2AA=0x55;
-		B0F555=0x80;
-		B0F555=0xaa;
-		B0F2AA=0x55;
-		B0F555=0x10;
-	}
-	else {
-		B2F555=0xaa;
-		B2F2AA=0x55;
-		B2F555=0x80;
-		B2F555=0xaa;
-		B2F2AA=0x55;
-		B2F555=0x10;
-	}
-}
-
-void unlock_bypass(u8 bank) {
-
-	if((bank!='0')|(bank!='2'))
-		return;
-
-	if(bank=='0') {
-		B0F555=0xaa;
-		B0F2AA=0x55;
-		B0F555=0x20;
-	}
-	else {
-		B2F555=0xaa;
-		B2F2AA=0x55;
-		B2F555=0x20;
-	}
-}
-
-void unlock_bypass_reset(u8 bank) {
-
-	if((bank!='0')|(bank!='2'))
-		return;
-
-	if(bank=='0') {
-		B0F=0x90;
-		B0F=0x00;
-	}
-	else {
-		B2F=0x90;
-		B2F=0x00;
-	}
-}
-
-void flash_write(u32 addr,u16 data) {
-
-	*((volatile unsigned short *)addr)=0xa0;
-	*((volatile unsigned short *)addr)=data;
-}
-
 void ext_mem_bank_init(void) {
 
 	BCFG0=0x10000420;	// flash 1
@@ -290,11 +193,112 @@ u8 uart0_get_byte(void) {
 	return rx;
 }
 
+void flash_sector_erase(u8 flash,u8 sector) {
+
+	u32 a18_12;
+	u32 base;
+
+	if(sector>18)
+		return;
+	a18_12=sector_address[sector]<<1;
+
+	if((flash!='0')&(flash!='2'))
+		return;
+
+	switch(flash) {
+		case '0':
+			base=0x80000000;
+			B0F555=0xaa;
+			B0F2AA=0x55;
+			B0F555=0x80;
+			B0F555=0xaa;
+			B0F2AA=0x55;
+			*((volatile u16 *)(base|a18_12))=0x30;
+			break;
+		case '2': 
+			base=0x82000000;
+			B2F555=0xaa;
+			B2F2AA=0x55;
+			B2F555=0x80;
+			B2F555=0xaa;
+			B2F2AA=0x55;
+			*((volatile u16 *)(base|a18_12))=0x30;
+			break;
+		default:
+			return;
+	}
+
+	return;
+}
+
+void flash_chip_erase(u8 bank) {
+
+	if((bank!='0')&(bank!='2'))
+		return;
+
+	if(bank=='0') {
+		B0F555=0xaa;
+		B0F2AA=0x55;
+		B0F555=0x80;
+		B0F555=0xaa;
+		B0F2AA=0x55;
+		B0F555=0x10;
+	}
+	else {
+		B2F555=0xaa;
+		B2F2AA=0x55;
+		B2F555=0x80;
+		B2F555=0xaa;
+		B2F2AA=0x55;
+		B2F555=0x10;
+	}
+}
+
+void unlock_bypass(u8 bank) {
+
+	if((bank!='0')&(bank!='2'))
+		return;
+
+	if(bank=='0') {
+		B0F555=0xaa;
+		B0F2AA=0x55;
+		B0F555=0x20;
+	}
+	else {
+		B2F555=0xaa;
+		B2F2AA=0x55;
+		B2F555=0x20;
+	}
+}
+
+void unlock_bypass_reset(u8 bank) {
+
+	if((bank!='0')&(bank!='2'))
+		return;
+
+	if(bank=='0') {
+		B0F=0x90;
+		B0F=0x00;
+	}
+	else {
+		B2F=0x90;
+		B2F=0x00;
+	}
+}
+
+void flash_write(u32 addr,u16 data) {
+
+	*((volatile unsigned short *)addr)=0xa0;
+	*((volatile unsigned short *)addr)=data;
+}
+
 void receive_data_and_write_to_flash(u32 addr,u32 datalen) {
 
 	u8 bank;
 	u32 i;
 	u16 data;
+	u8 byte;
+	u8 cksm;
 
 	/* which bank to program */
 	if(addr<0x82000000)
@@ -306,9 +310,14 @@ void receive_data_and_write_to_flash(u32 addr,u32 datalen) {
 	unlock_bypass(bank);
 
 	/* receive and write data */
+	cksm=0;
 	for(i=0;i<datalen/2;i++) {
-		data=uart0_get_byte();
-		data=uart0_get_byte()<<8;
+		byte=uart0_get_byte();
+		data=byte;
+		cksm+=byte;
+		byte=uart0_get_byte();
+		cksm+=byte;
+		data|=byte<<8;
 		*((unsigned volatile short *)addr)=0xa0;
 		*((unsigned volatile short *)addr)=data;
 		addr+=2;
@@ -316,6 +325,9 @@ void receive_data_and_write_to_flash(u32 addr,u32 datalen) {
 
 	/* relock bypass */
 	unlock_bypass_reset(bank);
+
+	/* send an ack */
+	uart0_send_byte(cksm);
 }
 
 /*