diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/smbus_spd.c')
| -rw-r--r-- | src/soc/amd/stoneyridge/smbus_spd.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/src/soc/amd/stoneyridge/smbus_spd.c b/src/soc/amd/stoneyridge/smbus_spd.c index 384bc8a391..63b457c2c8 100644 --- a/src/soc/amd/stoneyridge/smbus_spd.c +++ b/src/soc/amd/stoneyridge/smbus_spd.c @@ -27,8 +27,7 @@ * sending offset for every byte. * Reads 128 bytes in 7-8 ms at 400 KHz. */ -static int readspd(uint16_t iobase, uint8_t SmbusSlaveAddress, - char *buffer, size_t count) +static int readspd(uint8_t SmbusSlaveAddress, char *buffer, size_t count) { uint8_t dev_addr; size_t index; @@ -36,8 +35,8 @@ static int readspd(uint16_t iobase, uint8_t SmbusSlaveAddress, char *pbuf = buffer; printk(BIOS_SPEW, "-------------READING SPD-----------\n"); - printk(BIOS_SPEW, "iobase: 0x%08X, SmbusSlave: 0x%08X, count: %d\n", - iobase, SmbusSlaveAddress, (int)count); + printk(BIOS_SPEW, "SmbusSlave: 0x%08X, count: %zd\n", + SmbusSlaveAddress, count); /* * Convert received device address to the format accepted by @@ -46,7 +45,7 @@ static int readspd(uint16_t iobase, uint8_t SmbusSlaveAddress, dev_addr = (SmbusSlaveAddress >> 1); /* Read the first SPD byte */ - error = do_smbus_read_byte(iobase, dev_addr, 0); + error = do_smbus_read_byte(SMBUS_MMIO_BASE, dev_addr, 0); if (error < 0) { printk(BIOS_ERR, "-------------SPD READ ERROR-----------\n"); return error; @@ -56,7 +55,7 @@ static int readspd(uint16_t iobase, uint8_t SmbusSlaveAddress, /* Read the remaining SPD bytes using do_smbus_recv_byte for speed */ for (index = 1 ; index < count ; index++) { - error = do_smbus_recv_byte(iobase, dev_addr); + error = do_smbus_recv_byte(SMBUS_MMIO_BASE, dev_addr); if (error < 0) { printk(BIOS_ERR, "-------------SPD READ ERROR-----------\n"); return error; @@ -70,24 +69,7 @@ static int readspd(uint16_t iobase, uint8_t SmbusSlaveAddress, return 0; } -static void write_pm_reg(int reg, int data) -{ - outb(reg, PM_INDEX); - outb(data, PM_DATA); -} - -static void setup_fch(uint16_t ioBase) -{ - write_pm_reg(SMB_ASF_IO_BASE, ioBase >> 8); - outb(SMB_SPEED_400KHZ, ioBase + SMBTIMING); - /* Clear all SMBUS status bits */ - outb(SMBHST_STAT_CLEAR, ioBase + SMBHSTSTAT); - outb(SMBSLV_STAT_CLEAR, ioBase + SMBSLVSTAT); -} - int sb_read_spd(uint8_t spdAddress, char *buf, size_t len) { - uint16_t ioBase = SMB_BASE_ADDR; - setup_fch(ioBase); - return readspd(ioBase, spdAddress, buf, len); + return readspd(spdAddress, buf, len); } |