[coreboot] [flashrom] r583 - trunk
svn at coreboot.org
svn at coreboot.org
Fri Jun 12 10:10:33 CEST 2009
Author: hailfinger
Date: 2009-06-12 10:10:33 +0200 (Fri, 12 Jun 2009)
New Revision: 583
Modified:
trunk/flash.h
trunk/spi.c
Log:
Add spi_nbyte_program as generic function to the SPI layer.
Signed-off-by: Paul Fox <pgf at laptop.org>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
Modified: trunk/flash.h
===================================================================
--- trunk/flash.h 2009-06-12 08:04:08 UTC (rev 582)
+++ trunk/flash.h 2009-06-12 08:10:33 UTC (rev 583)
@@ -757,6 +757,7 @@
uint8_t spi_read_status_register(void);
int spi_disable_blockprotect(void);
void spi_byte_program(int address, uint8_t byte);
+int spi_nbyte_program(int address, uint8_t *bytes, int len);
int spi_nbyte_read(int address, uint8_t *bytes, int len);
int spi_aai_write(struct flashchip *flash, uint8_t *buf);
uint32_t spi_get_valid_read_addr(void);
Modified: trunk/spi.c
===================================================================
--- trunk/spi.c 2009-06-12 08:04:08 UTC (rev 582)
+++ trunk/spi.c 2009-06-12 08:10:33 UTC (rev 583)
@@ -616,6 +616,27 @@
spi_command(sizeof(cmd), 0, cmd, NULL);
}
+int spi_nbyte_program(int address, uint8_t *bytes, int len)
+{
+ unsigned char cmd[JEDEC_BYTE_PROGRAM_OUTSIZE - 1 + 256] = {
+ JEDEC_BYTE_PROGRAM,
+ (address >> 16) & 0xff,
+ (address >> 8) & 0xff,
+ (address >> 0) & 0xff,
+ };
+
+ if (len > 256) {
+ printf_debug ("%s called for too long a write\n",
+ __FUNCTION__);
+ return 1;
+ }
+
+ memcpy(&cmd[4], bytes, len);
+
+ /* Send Byte-Program */
+ return spi_command(4 + len, 0, cmd, NULL);
+}
+
int spi_disable_blockprotect(void)
{
uint8_t status;
More information about the coreboot
mailing list