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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-02-04 15:37:45 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-02-20 07:06:12 +0100 |
| commit | 7255062ea7e890017448a9dd262348f018d491ec (patch) | |
| tree | 507864e131f211a9a52bc73c4d147365f970f15d /src/northbridge/amd | |
| parent | e40beb1f79a68860338ef3d960ab794be231ff7c (diff) | |
| download | coreboot-staging-7255062ea7e890017448a9dd262348f018d491ec.zip coreboot-staging-7255062ea7e890017448a9dd262348f018d491ec.tar.gz | |
AMD fam10: Refactor variables in scan_chain
We only need one of devx and dev. This function should be called
with dev already adjusted if link_num > 3.
Change-Id: I7166bbb88143bc28802c9530c4da16db67868d8e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8351
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/northbridge/amd')
| -rw-r--r-- | src/northbridge/amd/amdfam10/northbridge.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c index f2b18d0..f28c726 100644 --- a/src/northbridge/amd/amdfam10/northbridge.c +++ b/src/northbridge/amd/amdfam10/northbridge.c @@ -168,7 +168,6 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool u32 ht_unitid_base[4]; // here assume only 4 HT device on chain u32 max_bus; u32 min_bus; - device_t devx; u32 busses; u32 segn = max>>8; #if CONFIG_SB_HT_CHAIN_ON_BUS0 > 1 @@ -182,14 +181,13 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool regpos = 0x170 + 4 * (link->link_num & 3); // it is only on sublink0 reg = pci_read_config32(dev, regpos); if(reg & 1) return max; // already ganged no sblink1 - devx = get_node_pci(nodeid, 4); - } else { - devx = dev; + + dev = get_node_pci(nodeid, 4); } /* Check for connected link. */ link->cap = 0x80 + ((link->link_num & 3) * 0x20); - if (!is_non_coherent_link(devx, link)) + if (!is_non_coherent_link(dev, link)) return max; /* See if there is an available configuration space mapping @@ -233,7 +231,7 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool /* Read the existing primary/secondary/subordinate bus * number configuration. */ - busses = pci_read_config32(devx, link->cap + 0x14); + busses = pci_read_config32(dev, link->cap + 0x14); /* Configure the bus numbers for this bridge: the configuration * transactions will not be propagates by the bridge if it is @@ -241,7 +239,7 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool */ busses &= 0xffff00ff; busses |= ((u32)(link->secondary) << 8); - pci_write_config32(devx, link->cap + 0x14, busses); + pci_write_config32(dev, link->cap + 0x14, busses); /* set the config map space */ |
