From 424ed22ee975e80a61e2c3222dda757c39ebdf24 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Wed, 29 Oct 2008 22:13:20 +0000 Subject: Flashrom support for some Numonyx parts (M25PE) Using block erase d8 as discussed with Peter Stuge Corresponding to flashrom svn r333 and coreboot v2 svn r3707. Signed-off-by: Stefan Reinauer Acked-by: Stefan Reinauer --- spi.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'spi.c') diff --git a/spi.c b/spi.c index 0028b4c..83624fa 100644 --- a/spi.c +++ b/spi.c @@ -310,6 +310,29 @@ int spi_block_erase_d8(const struct flashchip *flash, unsigned long addr) return 0; } +int spi_chip_erase_d8(struct flashchip *flash) +{ + int i, rc = 0; + int total_size = flash->total_size * 1024; + int erase_size = 64 * 1024; + + spi_disable_blockprotect(); + + printf("Erasing chip: \n"); + + for (i = 0; i < total_size / erase_size; i++) { + rc = spi_block_erase_d8(flash, i * erase_size); + if (rc) { + printf("Error erasing block at 0x%x\n", i); + break; + } + } + + printf("\n"); + + return rc; +} + /* Sector size is usually 4k, though Macronix eliteflash has 64k */ int spi_sector_erase(const struct flashchip *flash, unsigned long addr) { -- cgit v1.1