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authorElyes HAOUAS <ehaouas@noos.fr>2016-10-09 20:24:20 +0200
committerMartin Roth <martinroth@google.com>2016-10-10 22:33:12 +0200
commitc9848a82e23f826adb97a251031b0625e9809b24 (patch)
treea09023329c19e7ae131a4a43ce04888e39968b5d /src/northbridge/intel/i945
parent519c4b7298516c849b4a510ad2fd691d662de7d6 (diff)
intel/i945: Use "IS_ENABLED" for fsbclk & memclk
Change-Id: I3213a8664955239b10bcf1784ce1ba5e0d95688b Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/16958 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/northbridge/intel/i945')
-rw-r--r--src/northbridge/intel/i945/raminit.c41
1 files changed, 18 insertions, 23 deletions
diff --git a/src/northbridge/intel/i945/raminit.c b/src/northbridge/intel/i945/raminit.c
index 0b9e95c011..5248b00d38 100644
--- a/src/northbridge/intel/i945/raminit.c
+++ b/src/northbridge/intel/i945/raminit.c
@@ -106,10 +106,8 @@ void sdram_dump_mchbar_registers(void)
static int memclk(void)
{
- int offset = 0;
-#if CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM
- offset++;
-#endif
+ int offset = IS_ENABLED(CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM) ? 1 : 0;
+
switch (((MCHBAR32(CLKCFG) >> 4) & 7) - offset) {
case 1: return 400;
case 2: return 533;
@@ -119,29 +117,26 @@ static int memclk(void)
return -1;
}
-#if CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM
static u16 fsbclk(void)
{
- switch (MCHBAR32(CLKCFG) & 7) {
- case 0: return 400;
- case 1: return 533;
- case 3: return 667;
- default: printk(BIOS_DEBUG, "fsbclk: unknown register value %x\n", MCHBAR32(CLKCFG) & 7);
- }
- return 0xffff;
-}
-#elif CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GC
-static u16 fsbclk(void)
-{
- switch (MCHBAR32(CLKCFG) & 7) {
- case 0: return 1066;
- case 1: return 533;
- case 2: return 800;
- default: printk(BIOS_DEBUG, "fsbclk: unknown register value %x\n", MCHBAR32(CLKCFG) & 7);
+ if (IS_ENABLED(CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM)) {
+ switch (MCHBAR32(CLKCFG) & 7) {
+ case 0: return 400;
+ case 1: return 533;
+ case 3: return 667;
+ default: printk(BIOS_DEBUG, "fsbclk: unknown register value %x\n", MCHBAR32(CLKCFG) & 7);
+ }
+ return 0xffff;
+ } else if (IS_ENABLED(CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GC)) {
+ switch (MCHBAR32(CLKCFG) & 7) {
+ case 0: return 1066;
+ case 1: return 533;
+ case 2: return 800;
+ default: printk(BIOS_DEBUG, "fsbclk: unknown register value %x\n", MCHBAR32(CLKCFG) & 7);
+ }
+ return 0xffff;
}
- return 0xffff;
}
-#endif
static int sdram_capabilities_max_supported_memory_frequency(void)
{