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lenovo/x201: Skip AT24RF08 detection. 

AT24RF08 was inherited from RE of original BIOS. As we don't really care
if the chip in question is really AT24RF08 or a generic replacement,
we can skip this check.

Change-Id: I862dd66b2332314beb835f215f1c1cd838aa07b9
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4769
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Vladimir Serbinenko 2014-01-21 09:45:15 +01:00
parent 707b35bcdd
commit d69757bd4e
1 changed files with 0 additions and 26 deletions
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26
src/mainboard/lenovo/x201/romstage.c
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@ -183,30 +183,6 @@ static void rcba_config(void)
} }
} }
static void setup_smbus_5c(void)
{
u16 t3;
/* We have a muxed bus, hence all the GPIO accesses. */
if (MCHBAR8(0x2ca8) == 0) {
t3 = inw(DEFAULT_GPIOBASE | 0x38);
outw(t3 & ~0x400, DEFAULT_GPIOBASE | 0x38);
smbus_read_byte(0x5c, 0x06);
smbus_write_byte(0x5c, 0x06, 0x8f);
smbus_read_byte(0x5c, 0x07);
smbus_write_byte(0x5c, 0x07, 0x8f);
outw(t3 | 0x400, DEFAULT_GPIOBASE | 0x38);
}
t3 = inw(DEFAULT_GPIOBASE | 0x38);
outw(t3 & ~0x400, DEFAULT_GPIOBASE | 0x38);
smbus_read_byte(0x57, 0x55);
outw(t3 | 0x400, DEFAULT_GPIOBASE | 0x38);
}
static inline void write_acpi32(u32 addr, u32 val) static inline void write_acpi32(u32 addr, u32 val)
{ {
outl(val, DEFAULT_PMBASE | addr); outl(val, DEFAULT_PMBASE | addr);
@ -287,8 +263,6 @@ void main(unsigned long bist)
/* Enable SMBUS. */ /* Enable SMBUS. */
enable_smbus(); enable_smbus();
setup_smbus_5c();
outb((inb(DEFAULT_GPIOBASE | 0x3a) & ~0x2) | 0x20, outb((inb(DEFAULT_GPIOBASE | 0x3a) & ~0x2) | 0x20,
DEFAULT_GPIOBASE | 0x3a); DEFAULT_GPIOBASE | 0x3a);
outb(0x50, 0x15ec); outb(0x50, 0x15ec);