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author | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2007-10-16 21:09:06 +0000 |
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committer | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2007-10-16 21:09:06 +0000 |
commit | 3d94a0e00e4d3fdb5f799861d3b354d13a1fcd95 (patch) | |
tree | 99411d8ca9990c7d7c5120067e54501782f68584 /spi.c | |
parent | 70539260f5108c9550bde7fa2fb0b9c6653bd78b (diff) | |
download | ast2050-flashrom-3d94a0e00e4d3fdb5f799861d3b354d13a1fcd95.zip ast2050-flashrom-3d94a0e00e4d3fdb5f799861d3b354d13a1fcd95.tar.gz |
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>
Diffstat (limited to 'spi.c')
-rw-r--r-- | spi.c | 33 |
1 files changed, 20 insertions, 13 deletions
@@ -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); |