/*
* Returns JEDEC ID from SPI flash
*/
static ulong read_id(void){
unsigned int flashid = 0;
ar7240_reg_wr_nf(AR7240_SPI_FS, 1);
ar7240_reg_wr_nf(AR7240_SPI_WRITE, AR7240_SPI_CS_DIS);
ar7240_spi_bit_banger(0x9F);
ar7240_spi_delay_8();
ar7240_spi_delay_8();
ar7240_spi_delay_8();
ar7240_spi_delay_8();
flashid = ar7240_reg_rd(AR7240_SPI_RD_STATUS);
/*
* We have 3 bytes:
* - manufacture ID (1b)
* - product ID (2b)
*/
flashid = flashid >> 8;
ar7240_spi_done();
return((ulong)flashid);
}
int
write_buff(flash_info_t *info, uchar *source, ulong addr, ulong len)
{
int total = 0, len_this_lp, bytes_this_page;
ulong dst;
uchar *src;
printf("write addr: %x\n", addr);
addr = addr - CFG_FLASH_BASE;
while (total < len) {
src = source + total;
dst = addr + total;
bytes_this_page =
AR7240_SPI_PAGE_SIZE - (addr % AR7240_SPI_PAGE_SIZE);
len_this_lp =
((len - total) >
bytes_this_page) ? bytes_this_page : (len - total);
ar7240_spi_write_page(dst, src, len_this_lp);
total += len_this_lp;
}
ar7240_spi_done();
return 0;
}
int flash_erase(flash_info_t *info, int s_first, int s_last){
int i, j, sector_size = info->size / info->sector_count;
printf("Erasing: ");
j = 0;
for(i = s_first; i <= s_last; i++){
ar7240_spi_sector_erase(i * sector_size);
if(j == 39){
puts("\n ");
j = 0;
}
puts("#");
led_toggle();
j++;
}
ar7240_spi_done();
all_led_off();
printf("\n\n");
return(0);
}
int flash_erase(flash_info_t *info, int s_first, int s_last) {
int i, j, sector_size = info->size / info->sector_count;
//printf("First sector:\t%d\nLast sector:\t%d\nSector size:\t%d bytes\n", s_first, s_last, sector_size);
printf("Erasing: ");
j = 0;
for (i = s_first; i <= s_last; i++) {
ar7240_spi_sector_erase(i * sector_size);
if (j == 39) {
puts("\n ");
j = 0;
}
puts("#");
ar7240_led_toggle();
j++;
}
ar7240_spi_done();
ar7240_all_led_off();
printf("\n\n");
return 0;
}
int flash_erase_4k(int start, int end) {
int i = 0;
int base = 0x9F000000;
start = ALIGN(start - base);
end = ALIGN(end - base);
printf("Erasing: %08X-%08X\n", start, end);
while (start <= end) {
ar7240_spi_erase_4k(start);
start += SECTOR_ERASE_SIZE;
if((i + 1) % 40 == 0){
printf("\n");
}
printf("#");
led_toggle();
i++;
}
ar7240_spi_done();
all_led_off();
printf("\n\n");
return(0);
}
static void
read_id(void)
{
u32 rd = 0x777777;
ar7240_reg_wr_nf(AR7240_SPI_WRITE, AR7240_SPI_CS_DIS);
ar7240_spi_bit_banger(0x9f);
ar7240_spi_delay_8();
ar7240_spi_delay_8();
ar7240_spi_delay_8();
ar7240_spi_done();
/* rd = ar7240_reg_rd(AR7240_SPI_RD_STATUS); */
rd = ar7240_reg_rd(AR7240_SPI_READ);
printf("id read %#x\n", rd);
}
int
flash_erase(flash_info_t *info, int s_first, int s_last)
{
int i, sector_size = info->size / info->sector_count;
printf("\nFirst %#x last %#x sector size %#x\n",
s_first, s_last, sector_size);
for (i = s_first; i <= s_last; i++) {
printf("\b\b\b\b%4d", i);
ar7240_spi_sector_erase(i * sector_size);
}
ar7240_spi_done();
printf("\n");
return 0;
}
int
flash_erase(flash_info_t *info, int s_first, int s_last)
{
int i, sector_size = info->size / info->sector_count;
#ifdef FLASH_DEBUG
printf("\nFirst %#x last %#x sector size %#x\n",
s_first, s_last, sector_size);
#endif
for (i = s_first; i <= s_last; i++) {
#ifdef FLASH_DEBUG
printf("\b\b\b\b%4d", i);
#else
puts(".");
#endif
ar7240_spi_sector_erase(i * sector_size);
}
ar7240_spi_done();
printf("\n");
return 0;
}
int
write_buff(flash_info_t *info, uchar *source, ulong addr, ulong len)
{
int total = 0, len_this_lp, bytes_this_page, counter = 0;
ulong dst;
uchar *src;
#ifdef FLASH_DEBUG
printf("write addr: %x\n", addr);
#endif
addr = addr - CFG_FLASH_BASE;
while (total < len) {
src = source + total;
dst = addr + total;
bytes_this_page =
AR7240_SPI_PAGE_SIZE - (addr & (AR7240_SPI_PAGE_SIZE-1));
len_this_lp =
((len - total) >
bytes_this_page) ? bytes_this_page : (len - total);
ar7240_spi_write_page(dst, src, len_this_lp);
total += len_this_lp;
if(counter>=255)
{
puts(".");
counter = 0;
}
else
{
counter++;
}
}
ar7240_spi_done();
return 0;
}
