diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/acpigen.c | 26 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpigen.h | 3 |
2 files changed, 25 insertions, 4 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c index cac2f8c9bb..c1a09f261d 100644 --- a/src/arch/x86/acpigen.c +++ b/src/arch/x86/acpigen.c @@ -1,6 +1,7 @@ /* * This file is part of the coreboot project. * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * Copyright (C) 2009 Rudolf Marek <r.marek@assembler.cz> * * This program is free software; you can redistribute it and/or modify @@ -17,11 +18,11 @@ #define ACPIGEN_LENSTACK_SIZE 10 /* - * If you need to change this, change acpigen_write_f and + * If you need to change this, change acpigen_write_len_f and * acpigen_pop_len */ -#define ACPIGEN_MAXLEN 0xfff +#define ACPIGEN_MAXLEN 0xfffff #include <string.h> #include <arch/acpigen.h> @@ -39,6 +40,7 @@ void acpigen_write_len_f(void) len_stack[ltop++] = gencurrent; acpigen_emit_byte(0); acpigen_emit_byte(0); + acpigen_emit_byte(0); } void acpigen_pop_len(void) @@ -48,9 +50,10 @@ void acpigen_pop_len(void) char *p = len_stack[--ltop]; len = gencurrent - p; ASSERT(len <= ACPIGEN_MAXLEN) - /* generate store length for 0xfff max */ - p[0] = (0x40 | (len & 0xf)); + /* generate store length for 0xfffff max */ + p[0] = (0x80 | (len & 0xf)); p[1] = (len >> 4 & 0xff); + p[2] = (len >> 12 & 0xff); } @@ -479,6 +482,21 @@ void acpigen_write_CST_package(acpi_cstate_t *cstate, int nentries) acpigen_pop_len(); } +void acpigen_write_CSD_package(u32 domain, u32 numprocs, CSD_coord coordtype, u32 index) +{ + acpigen_write_name("_CSD"); + acpigen_write_package(1); + acpigen_write_package(6); + acpigen_write_byte(6); // 6 values + acpigen_write_byte(0); // revision 0 + acpigen_write_dword(domain); + acpigen_write_dword(coordtype); + acpigen_write_dword(numprocs); + acpigen_write_dword(index); + acpigen_pop_len(); + acpigen_pop_len(); +} + void acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list) { /* diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h index 038ec3ae3a..1ad021ada9 100644 --- a/src/arch/x86/include/arch/acpigen.h +++ b/src/arch/x86/include/arch/acpigen.h @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2009 Rudolf Marek <r.marek@assembler.cz> + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -51,6 +52,8 @@ typedef enum { SW_ALL=0xfc, SW_ANY=0xfd, HW_ALL=0xfe } PSD_coord; void acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype); void acpigen_write_CST_package_entry(acpi_cstate_t *cstate); void acpigen_write_CST_package(acpi_cstate_t *entry, int nentries); +typedef enum { CSD_HW_ALL=0xfe } CSD_coord; +void acpigen_write_CSD_package(u32 domain, u32 numprocs, CSD_coord coordtype, u32 index); void acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len); void acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list); void acpigen_write_TSD_package(u32 domain, u32 numprocs, PSD_coord coordtype); |