Lncvrt/grub
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Working SPD reading in fwstart.img

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Vladimir 'phcoder' Serbinenko committed 2010-02-17 21:10:58 +01:00
1 parent a1efcc79d3
commit 7517048135
8 files changed
+321 -12
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bus/cs5536.c
+3 -3
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@@ -80,11 +80,11 @@ grub_cs5536_smbus_wait (grub_port_t smbbase)
{
grub_uint8_t status;
status = grub_inb (smbbase + GRUB_CS5536_SMB_REG_STATUS);
if (status & (1 << 6))
if (status & GRUB_CS5536_SMB_REG_STATUS_SDAST)
return GRUB_ERR_NONE;
if (status & (1 << 5))
if (status & GRUB_CS5536_SMB_REG_STATUS_BER)
return grub_error (GRUB_ERR_IO, "SM bus error");
if (status & (1 << 4))
if (status & GRUB_CS5536_SMB_REG_STATUS_NACK)
return grub_error (GRUB_ERR_IO, "NACK received");
if (grub_get_time_ms () > start + 40)
return grub_error (GRUB_ERR_IO, "SM stalled");