Author: oxygene Date: 2009-04-21 22:34:36 +0200 (Tue, 21 Apr 2009) New Revision: 4154
Modified: trunk/coreboot-v2/src/arch/i386/boot/acpigen.c trunk/coreboot-v2/src/arch/i386/include/arch/acpigen.h Log: Add a helper function to acpigen to create _PSD tables.
Signed-off-by: Patrick Georgi patrick.georgi@coresystems.de Acked-by: Stefan Reinauer stepan@coresystems.de
Modified: trunk/coreboot-v2/src/arch/i386/boot/acpigen.c =================================================================== --- trunk/coreboot-v2/src/arch/i386/boot/acpigen.c 2009-04-21 20:31:18 UTC (rev 4153) +++ trunk/coreboot-v2/src/arch/i386/boot/acpigen.c 2009-04-21 20:34:36 UTC (rev 4154) @@ -260,3 +260,21 @@ acpigen_patch_len(len - 1); return len; } + +int acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) +{ + int len, lenh, lenp; + lenh = acpigen_write_name("_PSD"); + lenp = acpigen_write_package(1); + len = acpigen_write_package(5); + len += acpigen_write_byte(5); // 5 values + len += acpigen_write_byte(0); // revision 0 + len += acpigen_write_dword(domain); + len += acpigen_write_dword(coordtype); + len += acpigen_write_dword(numprocs); + acpigen_patch_len(len-1); + len += lenp; + acpigen_patch_len(len-1); + return len + lenh; +} +
Modified: trunk/coreboot-v2/src/arch/i386/include/arch/acpigen.h =================================================================== --- trunk/coreboot-v2/src/arch/i386/include/arch/acpigen.h 2009-04-21 20:31:18 UTC (rev 4153) +++ trunk/coreboot-v2/src/arch/i386/include/arch/acpigen.h 2009-04-21 20:34:36 UTC (rev 4154) @@ -40,5 +40,7 @@ int acpigen_write_empty_PCT(void); int acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat, u32 busmLat, u32 control, u32 status); +typedef enum { SW_ALL=0xfc, SW_ANY=0xfd, HW_ALL=0xfe } PSD_coord; +int acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype); int acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len); #endif