diff options
| author | Jacob Garber <jgarber1@ualberta.ca> | 2019-06-24 18:32:03 -0600 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2019-06-28 19:36:11 +0000 |
| commit | c22ebc9339bf75ab55bbb885ede0c63314f46014 (patch) | |
| tree | 7a5e37bce99ebc5140ed34dabdce85621ce6f903 /src/southbridge/amd/sb800 | |
| parent | 464f4d6ee240e5afd44317d9b7bc4a1228c04899 (diff) | |
sb/amd/sb{700,800}: Clean up index manipulations
It looks like in days gone by that these switches were once parts of
loops that incremented 'index' as they went along. However, we don't
have any loops anymore, so remove the needless increments and streamline
the rest of the assignments.
Change-Id: Iaabee984333c273af7810f9c11ed26bbb2a995d1
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Found-by: scan-build 8.0.0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/southbridge/amd/sb800')
| -rw-r--r-- | src/southbridge/amd/sb800/sb800.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/src/southbridge/amd/sb800/sb800.c b/src/southbridge/amd/sb800/sb800.c index eda4d304d3..801cc65e4a 100644 --- a/src/southbridge/amd/sb800/sb800.c +++ b/src/southbridge/amd/sb800/sb800.c @@ -228,7 +228,7 @@ void sb800_enable(struct device *dev) { struct device *sm_dev = NULL; struct device *bus_dev = NULL; - int index = -1; + int index; u32 deviceid; u32 vendorid; @@ -295,9 +295,9 @@ void sb800_enable(struct device *dev) switch (dev->path.pci.devfn - (devfn - (0x14 << 3))) { case PCI_DEVFN(0x11, 0): - index = 8; - set_pmio_enable_bits(0xDA, 1 << 0, - (dev->enabled ? 1 : 0) << 0); + index = 0; + set_pmio_enable_bits(0xDA, 1 << index, + (dev->enabled ? 1 : 0) << index); /* Set the device ID of SATA as 0x4390 to reduce the confusing. */ dword = pci_read_config32(dev, 0x40); dword |= 1 << 0; @@ -305,7 +305,6 @@ void sb800_enable(struct device *dev) pci_write_config16(dev, 0x2, 0x4390); dword &= ~1; pci_write_config32(dev, 0x40, dword);//for (;;); - index += 32 * 3; break; case PCI_DEVFN(0x12, 0): case PCI_DEVFN(0x12, 2): @@ -318,15 +317,13 @@ void sb800_enable(struct device *dev) index = (dev->path.pci.devfn & 0x3) / 2 + 2; set_pmio_enable_bits(0xEF, 1 << index, (dev->enabled ? 1 : 0) << index); - index += 32 * 2; break; case PCI_DEVFN(0x14, 0): - index = 0; break; case PCI_DEVFN(0x14, 1): - index = 1; - set_pmio_enable_bits(0xDA, 1 << 3, - (dev->enabled ? 0 : 1) << 3); + index = 3; + set_pmio_enable_bits(0xDA, 1 << index, + (dev->enabled ? 0 : 1) << index); break; case PCI_DEVFN(0x14, 2): index = 0; @@ -337,7 +334,6 @@ void sb800_enable(struct device *dev) index = 0; set_pmio_enable_bits(0xEC, 1 << index, (dev->enabled ? 1 : 0) << index); - index += 32 * 1; break; case PCI_DEVFN(0x14, 4): index = 0; @@ -356,7 +352,6 @@ void sb800_enable(struct device *dev) break; case PCI_DEVFN(0x15, 0): set_sb800_gpp(dev); - index = 4; break; case PCI_DEVFN(0x15, 1): case PCI_DEVFN(0x15, 2): |