From 259aaf00f586ae75fbf94e8e2eb0db77aa1095c9 Mon Sep 17 00:00:00 2001 From: Carl-Daniel Hailfinger Date: Tue, 16 Oct 2007 21:09:06 +0000 Subject: Convert the existing it8716f_* functions to generic_spi_* functions by applying abstraction and wrapping. Signed-off-by: Carl-Daniel Hailfinger Acked-by: Stefan Reinauer git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2863 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- util/flashrom/spi.c | 33 ++++++++++++++++++++------------- 1 file changed, 20 insertions(+), 13 deletions(-) (limited to 'util/flashrom/spi.c') diff --git a/util/flashrom/spi.c b/util/flashrom/spi.c index 5071f52517..8a6a61c6c3 100644 --- a/util/flashrom/spi.c +++ b/util/flashrom/spi.c @@ -68,7 +68,7 @@ static void exit_conf_mode_ite(uint16_t port) 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 @@ static uint16_t find_ite_serial_flash_port(uint16_t port) 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 @@ static int it8716f_spi_command(uint16_t port, unsigned char writecnt, unsigned c 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); -- cgit v1.2.3