Convert the existing it8716f_* functions to generic_spi_* functions
Corresponding to flashrom svn r147 and coreboot v2 svn r2863.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
diff --git a/spi.c b/spi.c
index 5071f52..8a6a61c 100644
--- a/spi.c
+++ b/spi.c
@@ -68,7 +68,7 @@
regwrite(port, 0x02, 0x02);
}
-static uint16_t find_ite_serial_flash_port(uint16_t port)
+static uint16_t find_ite_spi_flash_port(uint16_t port)
{
uint8_t tmp = 0;
uint16_t id, flashport = 0;
@@ -102,6 +102,14 @@
return flashport;
}
+int it87xx_probe_spi_flash(const char *name)
+{
+ it8716f_flashport = find_ite_spi_flash_port(ITE_SUPERIO_PORT1);
+ if (!it8716f_flashport)
+ it8716f_flashport = find_ite_spi_flash_port(ITE_SUPERIO_PORT2);
+ return (!it8716f_flashport);
+}
+
/* The IT8716F only supports commands with length 1,2,4,5 bytes including
command byte and can not read more than 3 bytes from the device.
This function expects writearr[0] to be the first byte sent to the device,
@@ -162,31 +170,30 @@
return 0;
}
-static int it8716f_serial_rdid(uint16_t port, unsigned char *readarr)
+static int generic_spi_command(unsigned char writecnt, unsigned char readcnt, const unsigned char *writearr, unsigned char *readarr)
+{
+ if (it8716f_flashport)
+ return it8716f_spi_command(it8716f_flashport, writecnt, readcnt, writearr, readarr);
+ printf("%s called, but no SPI chipset detected\n", __FUNCTION__);
+ return 1;
+}
+
+static int generic_spi_rdid(unsigned char *readarr)
{
const unsigned char cmd[] = JEDEC_RDID;
- if (it8716f_spi_command(port, JEDEC_RDID_OUTSIZE, JEDEC_RDID_INSIZE, cmd, readarr))
+ if (generic_spi_command(JEDEC_RDID_OUTSIZE, JEDEC_RDID_INSIZE, cmd, readarr))
return 1;
printf("RDID returned %02x %02x %02x\n", readarr[0], readarr[1], readarr[2]);
return 0;
}
-int it87xx_probe_serial_flash(const char *name)
-{
- it8716f_flashport = find_ite_serial_flash_port(ITE_SUPERIO_PORT1);
- if (!it8716f_flashport)
- it8716f_flashport = find_ite_serial_flash_port(ITE_SUPERIO_PORT2);
- return (!it8716f_flashport);
-}
-
int probe_spi(struct flashchip *flash)
{
unsigned char readarr[3];
uint8_t manuf_id;
uint16_t model_id;
- if (it8716f_flashport) {
- it8716f_serial_rdid(it8716f_flashport, readarr);
+ if (!generic_spi_rdid(readarr)) {
manuf_id = readarr[0];
model_id = (readarr[1] << 8) | readarr[2];
printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, manuf_id, model_id);