Author: uwe Date: Fri Nov 5 01:23:11 2010 New Revision: 6023 URL: https://tracker.coreboot.org/trac/coreboot/changeset/6023
Log: 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
Modified: trunk/src/mainboard/amd/rumba/Kconfig trunk/src/mainboard/lippert/frontrunner/Kconfig trunk/src/mainboard/wyse/s50/Kconfig trunk/src/northbridge/amd/gx2/Kconfig trunk/src/northbridge/amd/gx2/pll_reset.c
Modified: trunk/src/mainboard/amd/rumba/Kconfig ============================================================================== --- trunk/src/mainboard/amd/rumba/Kconfig Fri Nov 5 01:19:21 2010 (r6022) +++ trunk/src/mainboard/amd/rumba/Kconfig Fri Nov 5 01:23:11 2010 (r6023) @@ -28,6 +28,7 @@ select HAVE_PIRQ_TABLE select BOARD_ROMSIZE_KB_256 select POWER_BUTTON_FORCE_ENABLE + select GX2_PROCESSOR_MHZ_366
config MAINBOARD_DIR string
Modified: trunk/src/mainboard/lippert/frontrunner/Kconfig ============================================================================== --- trunk/src/mainboard/lippert/frontrunner/Kconfig Fri Nov 5 01:19:21 2010 (r6022) +++ trunk/src/mainboard/lippert/frontrunner/Kconfig Fri Nov 5 01:23:11 2010 (r6023) @@ -10,6 +10,7 @@ select UDELAY_TSC select HAVE_PIRQ_TABLE select BOARD_ROMSIZE_KB_256 + select GX2_PROCESSOR_MHZ_366
config MAINBOARD_DIR string
Modified: trunk/src/mainboard/wyse/s50/Kconfig ============================================================================== --- trunk/src/mainboard/wyse/s50/Kconfig Fri Nov 5 01:19:21 2010 (r6022) +++ trunk/src/mainboard/wyse/s50/Kconfig Fri Nov 5 01:23:11 2010 (r6023) @@ -29,6 +29,7 @@ select PIRQ_ROUTE select BOARD_ROMSIZE_KB_256 select POWER_BUTTON_FORCE_DISABLE + select GX2_PROCESSOR_MHZ_366
config MAINBOARD_DIR string
Modified: trunk/src/northbridge/amd/gx2/Kconfig ============================================================================== --- trunk/src/northbridge/amd/gx2/Kconfig Fri Nov 5 01:19:21 2010 (r6022) +++ trunk/src/northbridge/amd/gx2/Kconfig Fri Nov 5 01:23:11 2010 (r6023) @@ -21,9 +21,19 @@ 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
Modified: trunk/src/northbridge/amd/gx2/pll_reset.c ============================================================================== --- trunk/src/northbridge/amd/gx2/pll_reset.c Fri Nov 5 01:19:21 2010 (r6022) +++ trunk/src/northbridge/amd/gx2/pll_reset.c Fri Nov 5 01:23:11 2010 (r6023) @@ -71,14 +71,14 @@ 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 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); }