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add a DEFINE to let the installer write to the boot2 area

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bushing 2009-05-02 04:12:08 -07:00
parent 09823ee038
commit 7e40961741
1 changed files with 7 additions and 2 deletions
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9
nand.c
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@ -36,6 +36,11 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//#define NAND_DEBUG 1 //#define NAND_DEBUG 1
#define NAND_SUPPORT_WRITE 1 #define NAND_SUPPORT_WRITE 1
#define NAND_SUPPORT_ERASE 1 #define NAND_SUPPORT_ERASE 1
#ifdef ALLOW_BOOT2_WRITES
#define NAND_MIN_PAGE 0x40
#else
#define NAND_MIN_PAGE 0x200
#endif
#ifdef NAND_DEBUG #ifdef NAND_DEBUG
# include "gecko.h" # include "gecko.h"
@ -201,7 +206,7 @@ void nand_write_page(u32 pageno, void *data, void *ecc) {
NAND_debug("nand_write_page(%u, %p, %p)\n", pageno, data, ecc); NAND_debug("nand_write_page(%u, %p, %p)\n", pageno, data, ecc);
// this is a safety check to prevent you from accidentally wiping out boot1 or boot2. // this is a safety check to prevent you from accidentally wiping out boot1 or boot2.
if ((pageno < 0x200) || (pageno >= NAND_MAX_PAGE)) { if ((pageno < NAND_MIN_PAGE) || (pageno >= NAND_MAX_PAGE)) {
gecko_printf("Error: nand_write to page %d forbidden\n", pageno); gecko_printf("Error: nand_write to page %d forbidden\n", pageno);
return; return;
} }
@ -222,7 +227,7 @@ void nand_erase_block(u32 pageno) {
NAND_debug("nand_erase_block(%d)\n", pageno); NAND_debug("nand_erase_block(%d)\n", pageno);
// this is a safety check to prevent you from accidentally wiping out boot1 or boot2. // this is a safety check to prevent you from accidentally wiping out boot1 or boot2.
if ((pageno < 0x200) || (pageno >= NAND_MAX_PAGE)) { if ((pageno < NAND_MIN_PAGE) || (pageno >= NAND_MAX_PAGE)) {
gecko_printf("Error: nand_erase to page %d forbidden\n", pageno); gecko_printf("Error: nand_erase to page %d forbidden\n", pageno);
return; return;
} }