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| author | Nils Jacobs <njacobs8@hetnet.nl> | 2010-11-05 00:23:11 +0000 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2010-11-05 00:23:11 +0000 |
| commit | eca32808cb271f3f11c2fdb29eaf71c7f192e765 (patch) | |
| tree | 4fe0f00e4f26d2e09f77754fce89f70f37272486 /src/northbridge | |
| parent | f29b3b68c849ea6cb8124e11d06427ab92bc4451 (diff) | |
| download | coreboot-eca32808cb271f3f11c2fdb29eaf71c7f192e765.tar.xz | |
Add Kconfig CPU speed selection to Geode GX2 boards.
This is Abuild and boot tested.
Signed-off-by: Nils Jacobs <njacobs8@hetnet.nl>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6023 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/gx2/Kconfig | 18 | ||||
| -rw-r--r-- | src/northbridge/amd/gx2/pll_reset.c | 10 |
2 files changed, 19 insertions, 9 deletions
diff --git a/src/northbridge/amd/gx2/Kconfig b/src/northbridge/amd/gx2/Kconfig index b62d053d9d..a9ebb3c13b 100644 --- a/src/northbridge/amd/gx2/Kconfig +++ b/src/northbridge/amd/gx2/Kconfig @@ -21,9 +21,19 @@ config NORTHBRIDGE_AMD_GX2 bool select GEODE_VSA -# Valid PROCESSOR_MHZ options: 300/366/400 MHz. -config PROCESSOR_MHZ +# The GX2_PROCESSOR_MHZ options let you chose the correct GX2 processor +# speed in the mainboard's Kconfig file. +config GX2_PROCESSOR_MHZ_300 + bool +config GX2_PROCESSOR_MHZ_366 + bool +config GX2_PROCESSOR_MHZ_400 + bool + +# Map the config names to an integer (MHz). +config GX2_PROCESSOR_MHZ int - default 366 - depends on NORTHBRIDGE_AMD_GX2 + default 300 if GX2_PROCESSOR_MHZ_300 + default 366 if GX2_PROCESSOR_MHZ_366 + default 400 if GX2_PROCESSOR_MHZ_400 diff --git a/src/northbridge/amd/gx2/pll_reset.c b/src/northbridge/amd/gx2/pll_reset.c index 81cc28d9c8..1f3c65dcbe 100644 --- a/src/northbridge/amd/gx2/pll_reset.c +++ b/src/northbridge/amd/gx2/pll_reset.c @@ -71,14 +71,14 @@ static void pll_reset(void) unsigned SyncBits; /* store the sync bits in up ebx */ unsigned DEFAULT_FBDIV; - if (CONFIG_PROCESSOR_MHZ == 400) { + if (CONFIG_GX2_PROCESSOR_MHZ == 400) { DEFAULT_FBDIV = 24; - } else if (CONFIG_PROCESSOR_MHZ == 366) { + } else if (CONFIG_GX2_PROCESSOR_MHZ == 366) { DEFAULT_FBDIV = 22; - } else if (CONFIG_PROCESSOR_MHZ == 300) { + } else if (CONFIG_GX2_PROCESSOR_MHZ == 300) { DEFAULT_FBDIV = 18; } else { - printk(BIOS_ERR, "Unsupported PROCESSOR_MHZ setting!\n"); + printk(BIOS_ERR, "Unsupported GX2_PROCESSOR_MHZ setting!\n"); post_code(POST_PLL_CPU_VER_FAIL); __asm__ __volatile__("hlt\n"); } @@ -195,6 +195,6 @@ static void pll_reset(void) static unsigned int GeodeLinkSpeed(void) { unsigned geodelinkspeed; - geodelinkspeed = ((CONFIG_PROCESSOR_MHZ * DEFAULT_VDIV) / DEFAULT_MDIV); + geodelinkspeed = ((CONFIG_GX2_PROCESSOR_MHZ * DEFAULT_VDIV) / DEFAULT_MDIV); return (geodelinkspeed); } |