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Diffstat (limited to 'src/arch/armv7/boot/acpigen.c')
-rw-r--r--src/arch/armv7/boot/acpigen.c729
1 files changed, 0 insertions, 729 deletions
diff --git a/src/arch/armv7/boot/acpigen.c b/src/arch/armv7/boot/acpigen.c
deleted file mode 100644
index 47845a01a6..0000000000
--- a/src/arch/armv7/boot/acpigen.c
+++ /dev/null
@@ -1,729 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2009 Rudolf Marek <r.marek@assembler.cz>
- *
- * 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
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/* how many nesting we support */
-#define ACPIGEN_LENSTACK_SIZE 10
-
-/* if you need to change this, change the acpigen_write_f and
- acpigen_patch_len */
-
-#define ACPIGEN_MAXLEN 0xfff
-
-#include <string.h>
-#include <arch/acpigen.h>
-#include <console/console.h>
-#include <device/device.h>
-
-static char *gencurrent;
-
-char *len_stack[ACPIGEN_LENSTACK_SIZE];
-int ltop = 0;
-
-int acpigen_write_len_f(void)
-{
- ASSERT(ltop < (ACPIGEN_LENSTACK_SIZE - 1))
- len_stack[ltop++] = gencurrent;
- acpigen_emit_byte(0);
- acpigen_emit_byte(0);
- return 2;
-}
-
-void acpigen_patch_len(int len)
-{
- ASSERT(len <= ACPIGEN_MAXLEN)
- ASSERT(ltop > 0)
- char *p = len_stack[--ltop];
- /* generate store length for 0xfff max */
- p[0] = (0x40 | (len & 0xf));
- p[1] = (len >> 4 & 0xff);
-
-}
-
-void acpigen_set_current(char *curr)
-{
- gencurrent = curr;
-}
-
-char *acpigen_get_current(void)
-{
- return gencurrent;
-}
-
-int acpigen_emit_byte(unsigned char b)
-{
- (*gencurrent++) = b;
- return 1;
-}
-
-int acpigen_write_package(int nr_el)
-{
- int len;
- /* package op */
- acpigen_emit_byte(0x12);
- len = acpigen_write_len_f();
- acpigen_emit_byte(nr_el);
- return len + 2;
-}
-
-int acpigen_write_byte(unsigned int data)
-{
- /* byte op */
- acpigen_emit_byte(0xa);
- acpigen_emit_byte(data & 0xff);
- return 2;
-}
-
-int acpigen_write_dword(unsigned int data)
-{
- /* dword op */
- acpigen_emit_byte(0xc);
- acpigen_emit_byte(data & 0xff);
- acpigen_emit_byte((data >> 8) & 0xff);
- acpigen_emit_byte((data >> 16) & 0xff);
- acpigen_emit_byte((data >> 24) & 0xff);
- return 5;
-}
-
-int acpigen_write_qword(uint64_t data)
-{
- /* qword op */
- acpigen_emit_byte(0xe);
- acpigen_emit_byte(data & 0xff);
- acpigen_emit_byte((data >> 8) & 0xff);
- acpigen_emit_byte((data >> 16) & 0xff);
- acpigen_emit_byte((data >> 24) & 0xff);
- acpigen_emit_byte((data >> 32) & 0xff);
- acpigen_emit_byte((data >> 40) & 0xff);
- acpigen_emit_byte((data >> 48) & 0xff);
- acpigen_emit_byte((data >> 56) & 0xff);
- return 9;
-}
-
-int acpigen_write_name_byte(const char *name, uint8_t val)
-{
- int len;
- len = acpigen_write_name(name);
- len += acpigen_write_byte(val);
- return len;
-}
-
-int acpigen_write_name_dword(const char *name, uint32_t val)
-{
- int len;
- len = acpigen_write_name(name);
- len += acpigen_write_dword(val);
- return len;
-}
-
-int acpigen_write_name_qword(const char *name, uint64_t val)
-{
- int len;
- len = acpigen_write_name(name);
- len += acpigen_write_qword(val);
- return len;
-}
-
-int acpigen_emit_stream(const char *data, int size)
-{
- int i;
- for (i = 0; i < size; i++) {
- acpigen_emit_byte(data[i]);
- }
- return size;
-}
-
-/* The NameString are bit tricky, each element can be 4 chars, if
- less its padded with underscore. Check 18.2.2 and 18.4
- and 5.3 of ACPI specs 3.0 for details
-*/
-
-static int acpigen_emit_simple_namestring(const char *name) {
- int i, len = 0;
- char ud[] = "____";
- for (i = 0; i < 4; i++) {
- if ((name[i] == '\0') || (name[i] == '.')) {
- len += acpigen_emit_stream(ud, 4 - i);
- break;
- } else {
- len += acpigen_emit_byte(name[i]);
- }
- }
- return len;
-}
-
-static int acpigen_emit_double_namestring(const char *name, int dotpos) {
- int len = 0;
- /* mark dual name prefix */
- len += acpigen_emit_byte(0x2e);
- len += acpigen_emit_simple_namestring(name);
- len += acpigen_emit_simple_namestring(&name[dotpos + 1]);
- return len;
-}
-
-static int acpigen_emit_multi_namestring(const char *name) {
- int len = 0, count = 0;
- unsigned char *pathlen;
- /* mark multi name prefix */
- len += acpigen_emit_byte(0x2f);
- len += acpigen_emit_byte(0x0);
- pathlen = ((unsigned char *) acpigen_get_current()) - 1;
-
- while (name[0] != '\0') {
- len += acpigen_emit_simple_namestring(name);
- /* find end or next entity */
- while ((name[0] != '.') && (name[0] != '\0'))
- name++;
- /* forward to next */
- if (name[0] == '.')
- name++;
- count++;
- }
-
- pathlen[0] = count;
- return len;
-}
-
-
-int acpigen_emit_namestring(const char *namepath) {
- int dotcount = 0, i;
- int dotpos = 0;
- int len = 0;
-
- /* we can start with a \ */
- if (namepath[0] == '\\') {
- len += acpigen_emit_byte('\\');
- namepath++;
- }
-
- /* and there can be any number of ^ */
- while (namepath[0] == '^') {
- len += acpigen_emit_byte('^');
- namepath++;
- }
-
- ASSERT(namepath[0] != '\0');
-
- i = 0;
- while (namepath[i] != '\0') {
- if (namepath[i] == '.') {
- dotcount++;
- dotpos = i;
- }
- i++;
- }
-
- if (dotcount == 0) {
- len += acpigen_emit_simple_namestring(namepath);
- } else if (dotcount == 1) {
- len += acpigen_emit_double_namestring(namepath, dotpos);
- } else {
- len += acpigen_emit_multi_namestring(namepath);
- }
- return len;
-}
-
-int acpigen_write_name(const char *name)
-{
- int len;
- /* name op */
- len = acpigen_emit_byte(0x8);
- return len + acpigen_emit_namestring(name);
-}
-
-int acpigen_write_scope(const char *name)
-{
- int len;
- /* scope op */
- len = acpigen_emit_byte(0x10);
- len += acpigen_write_len_f();
- return len + acpigen_emit_namestring(name);
-}
-
-int acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len)
-{
-/*
- Processor (\_PR.CPUcpuindex, cpuindex, pblock_addr, pblock_len)
- {
-*/
- char pscope[16];
- int len;
- /* processor op */
- acpigen_emit_byte(0x5b);
- acpigen_emit_byte(0x83);
- len = acpigen_write_len_f();
-
- sprintf(pscope, "\\_PR.CPU%x", (unsigned int) cpuindex);
- len += acpigen_emit_namestring(pscope);
- acpigen_emit_byte(cpuindex);
- acpigen_emit_byte(pblock_addr & 0xff);
- acpigen_emit_byte((pblock_addr >> 8) & 0xff);
- acpigen_emit_byte((pblock_addr >> 16) & 0xff);
- acpigen_emit_byte((pblock_addr >> 24) & 0xff);
- acpigen_emit_byte(pblock_len);
- return 6 + 2 + len;
-}
-
-int acpigen_write_empty_PCT(void)
-{
-/*
- Name (_PCT, Package (0x02)
- {
- ResourceTemplate ()
- {
- Register (FFixedHW,
- 0x00, // Bit Width
- 0x00, // Bit Offset
- 0x0000000000000000, // Address
- ,)
- },
-
- ResourceTemplate ()
- {
- Register (FFixedHW,
- 0x00, // Bit Width
- 0x00, // Bit Offset
- 0x0000000000000000, // Address
- ,)
- }
- })
-*/
- static char stream[] = {
- 0x08, 0x5F, 0x50, 0x43, 0x54, 0x12, 0x2C, /* 00000030 "0._PCT.," */
- 0x02, 0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, /* 00000038 "........" */
- 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000040 "........" */
- 0x00, 0x00, 0x00, 0x00, 0x79, 0x00, 0x11, 0x14, /* 00000048 "....y..." */
- 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, 0x00, 0x00, /* 00000050 "........" */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000058 "........" */
- 0x00, 0x79, 0x00
- };
- return acpigen_emit_stream(stream, ARRAY_SIZE(stream));
-}
-
-int acpigen_write_empty_PTC(void)
-{
-/*
- Name (_PTC, Package (0x02)
- {
- ResourceTemplate ()
- {
- Register (FFixedHW,
- 0x00, // Bit Width
- 0x00, // Bit Offset
- 0x0000000000000000, // Address
- ,)
- },
-
- ResourceTemplate ()
- {
- Register (FFixedHW,
- 0x00, // Bit Width
- 0x00, // Bit Offset
- 0x0000000000000000, // Address
- ,)
- }
- })
-*/
- int len, nlen, rlen;
- acpi_addr_t addr = {
- .space_id = ACPI_ADDRESS_SPACE_FIXED,
- .bit_width = 0,
- .bit_offset = 0,
- {
- .resv = 0
- },
- .addrl = 0,
- .addrh = 0,
- };
-
- nlen = acpigen_write_name("_PTC");
- len = acpigen_write_package(2);
-
- /* ControlRegister */
- rlen = acpigen_write_resourcetemplate_header();
- rlen += acpigen_write_register(&addr);
- len += acpigen_write_resourcetemplate_footer(rlen);
- len += rlen;
-
- /* StatusRegister */
- rlen = acpigen_write_resourcetemplate_header();
- rlen += acpigen_write_register(&addr);
- len += acpigen_write_resourcetemplate_footer(rlen);
- len += rlen;
-
- acpigen_patch_len(len - 1);
- return len + nlen;
-}
-
-/* generates a func with max supported P states */
-int acpigen_write_PPC(u8 nr)
-{
-/*
- Method (_PPC, 0, NotSerialized)
- {
- Return (nr)
- }
-*/
- int len;
- /* method op */
- acpigen_emit_byte(0x14);
- len = acpigen_write_len_f();
- len += acpigen_emit_namestring("_PPC");
- /* no fnarg */
- acpigen_emit_byte(0x00);
- /* return */
- acpigen_emit_byte(0xa4);
- /* arg */
- len += acpigen_write_byte(nr);
- /* add all single bytes */
- len += 3;
- acpigen_patch_len(len - 1);
- return len;
-}
-
-/* generates a func with max supported P states */
-int acpigen_write_PPC_NVS(void)
-{
-/*
- Method (_PPC, 0, NotSerialized)
- {
- Return (PPCM)
- }
-*/
- int len;
- /* method op */
- acpigen_emit_byte(0x14);
- len = acpigen_write_len_f();
- len += acpigen_emit_namestring("_PPC");
- /* no fnarg */
- acpigen_emit_byte(0x00);
- /* return */
- acpigen_emit_byte(0xa4);
- /* arg */
- len += acpigen_emit_namestring("PPCM");
- /* add all single bytes */
- len += 3;
- acpigen_patch_len(len - 1);
- return len;
-}
-
-int acpigen_write_TPC(const char *gnvs_tpc_limit)
-{
-/*
- // Sample _TPC method
- Method (_TPC, 0, NotSerialized)
- {
- Return (\TLVL)
- }
- */
- int len;
-
- len = acpigen_emit_byte(0x14); /* MethodOp */
- len += acpigen_write_len_f(); /* PkgLength */
- len += acpigen_emit_namestring("_TPC");
- len += acpigen_emit_byte(0x00); /* No Arguments */
- len += acpigen_emit_byte(0xa4); /* ReturnOp */
- len += acpigen_emit_namestring(gnvs_tpc_limit);
- acpigen_patch_len(len - 1);
- return len;
-}
-
-int acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat,
- u32 busmLat, u32 control, u32 status)
-{
- int len;
- len = acpigen_write_package(6);
- len += acpigen_write_dword(coreFreq);
- len += acpigen_write_dword(power);
- len += acpigen_write_dword(transLat);
- len += acpigen_write_dword(busmLat);
- len += acpigen_write_dword(control);
- len += acpigen_write_dword(status);
- // pkglen without the len opcode
- acpigen_patch_len(len - 1);
-
- printk(BIOS_DEBUG, "PSS: %uMHz power %u control 0x%x status 0x%x\n",
- coreFreq, power, control, status);
-
- 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;
-}
-
-int acpigen_write_CST_package_entry(acpi_cstate_t *cstate)
-{
- int len, len0;
- char *start, *end;
-
- len0 = acpigen_write_package(4);
- len = acpigen_write_resourcetemplate_header();
- start = acpigen_get_current();
- acpigen_write_register(&cstate->resource);
- end = acpigen_get_current();
- len += end - start;
- len += acpigen_write_resourcetemplate_footer(len);
- len += len0;
- len += acpigen_write_dword(cstate->ctype);
- len += acpigen_write_dword(cstate->latency);
- len += acpigen_write_dword(cstate->power);
- acpigen_patch_len(len - 1);
- return len;
-}
-
-int acpigen_write_CST_package(acpi_cstate_t *cstate, int nentries)
-{
- int len, lenh, lenp, i;
- lenh = acpigen_write_name("_CST");
- lenp = acpigen_write_package(nentries+1);
- len = acpigen_write_dword(nentries);
-
- for (i = 0; i < nentries; i++)
- len += acpigen_write_CST_package_entry(cstate + i);
-
- len += lenp;
- acpigen_patch_len(len - 1);
- return len + lenh;
-}
-
-int acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list)
-{
-/*
- Sample _TSS package with 100% and 50% duty cycles
- Name (_TSS, Package (0x02)
- {
- Package(){100, 1000, 0, 0x00, 0)
- Package(){50, 520, 0, 0x18, 0)
- })
- */
- int i, len, plen, nlen;
- acpi_tstate_t *tstate = tstate_list;
-
- nlen = acpigen_write_name("_TSS");
- plen = acpigen_write_package(entries);
-
- for (i = 0; i < entries; i++) {
- len = acpigen_write_package(5);
- len += acpigen_write_dword(tstate->percent);
- len += acpigen_write_dword(tstate->power);
- len += acpigen_write_dword(tstate->latency);
- len += acpigen_write_dword(tstate->control);
- len += acpigen_write_dword(tstate->status);
- acpigen_patch_len(len - 1);
- tstate++;
- plen += len;
- }
-
- acpigen_patch_len(plen - 1);
- return plen + nlen;
-}
-
-int acpigen_write_TSD_package(u32 domain, u32 numprocs, PSD_coord coordtype)
-{
- int len, lenh, lenp;
- lenh = acpigen_write_name("_TSD");
- 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;
-}
-
-
-
-int acpigen_write_mem32fixed(int readwrite, u32 base, u32 size)
-{
- /*
- * acpi 4.0 section 6.4.3.4: 32-Bit Fixed Memory Range Descriptor
- * Byte 0:
- * Bit7 : 1 => big item
- * Bit6-0: 0000110 (0x6) => 32-bit fixed memory
- */
- acpigen_emit_byte(0x86);
- /* Byte 1+2: length (0x0009) */
- acpigen_emit_byte(0x09);
- acpigen_emit_byte(0x00);
- /* bit1-7 are ignored */
- acpigen_emit_byte(readwrite ? 0x01 : 0x00);
- acpigen_emit_byte(base & 0xff);
- acpigen_emit_byte((base >> 8) & 0xff);
- acpigen_emit_byte((base >> 16) & 0xff);
- acpigen_emit_byte((base >> 24) & 0xff);
- acpigen_emit_byte(size & 0xff);
- acpigen_emit_byte((size >> 8) & 0xff);
- acpigen_emit_byte((size >> 16) & 0xff);
- acpigen_emit_byte((size >> 24) & 0xff);
- return 12;
-}
-
-int acpigen_write_register(acpi_addr_t *addr)
-{
- acpigen_emit_byte(0x82); /* Register Descriptor */
- acpigen_emit_byte(0x0c); /* Register Length 7:0 */
- acpigen_emit_byte(0x00); /* Register Length 15:8 */
- acpigen_emit_byte(addr->space_id); /* Address Space ID */
- acpigen_emit_byte(addr->bit_width); /* Register Bit Width */
- acpigen_emit_byte(addr->bit_offset); /* Register Bit Offset */
- acpigen_emit_byte(addr->resv); /* Register Access Size */
- acpigen_emit_byte(addr->addrl & 0xff); /* Register Address Low */
- acpigen_emit_byte((addr->addrl >> 8) & 0xff);
- acpigen_emit_byte((addr->addrl >> 16) & 0xff);
- acpigen_emit_byte((addr->addrl >> 24) & 0xff);
- acpigen_emit_byte(addr->addrh & 0xff); /* Register Address High */
- acpigen_emit_byte((addr->addrh >> 8) & 0xff);
- acpigen_emit_byte((addr->addrh >> 16) & 0xff);
- acpigen_emit_byte((addr->addrh >> 24) & 0xff);
- return 15;
-}
-
-int acpigen_write_io16(u16 min, u16 max, u8 align, u8 len, u8 decode16)
-{
- /*
- * acpi 4.0 section 6.4.2.6: I/O Port Descriptor
- * Byte 0:
- * Bit7 : 0 => small item
- * Bit6-3: 1000 (0x8) => I/O port descriptor
- * Bit2-0: 111 (0x7) => 7 Bytes long
- */
- acpigen_emit_byte(0x47);
- /* does the device decode all 16 or just 10 bits? */
- /* bit1-7 are ignored */
- acpigen_emit_byte(decode16 ? 0x01 : 0x00);
- /* minimum base address the device may be configured for */
- acpigen_emit_byte(min & 0xff);
- acpigen_emit_byte((min >> 8) & 0xff);
- /* maximum base address the device may be configured for */
- acpigen_emit_byte(max & 0xff);
- acpigen_emit_byte((max >> 8) & 0xff);
- /* alignment for min base */
- acpigen_emit_byte(align & 0xff);
- acpigen_emit_byte(len & 0xff);
- return 8;
-}
-
-int acpigen_write_resourcetemplate_header(void)
-{
- int len;
- /*
- * A ResourceTemplate() is a Buffer() with a
- * (Byte|Word|DWord) containing the length, followed by one or more
- * resource items, terminated by the end tag
- * (small item 0xf, len 1)
- */
- len = acpigen_emit_byte(0x11); /* Buffer opcode */
- len += acpigen_write_len_f();
- len += acpigen_emit_byte(0x0b); /* Word opcode */
- len_stack[ltop++] = acpigen_get_current();
- len += acpigen_emit_byte(0x00);
- len += acpigen_emit_byte(0x00);
- return len;
-}
-
-int acpigen_write_resourcetemplate_footer(int len)
-{
- char *p = len_stack[--ltop];
- /*
- * end tag (acpi 4.0 Section 6.4.2.8)
- * 0x79 <checksum>
- * 0x00 is treated as a good checksum according to the spec
- * and is what iasl generates.
- */
- len += acpigen_emit_byte(0x79);
- len += acpigen_emit_byte(0x00);
- /* patch len word */
- p[0] = (len-6) & 0xff;
- p[1] = ((len-6) >> 8) & 0xff;
- /* patch len field */
- acpigen_patch_len(len-1);
- return 2;
-}
-
-static void acpigen_add_mainboard_rsvd_mem32(void *gp, struct device *dev,
- struct resource *res)
-{
- acpigen_write_mem32fixed(0, res->base, res->size);
-}
-
-static void acpigen_add_mainboard_rsvd_io(void *gp, struct device *dev,
- struct resource *res)
-{
- resource_t base = res->base;
- resource_t size = res->size;
- while (size > 0) {
- resource_t sz = size > 255 ? 255 : size;
- acpigen_write_io16(base, base, 0, sz, 1);
- size -= sz;
- base += sz;
- }
-}
-
-int acpigen_write_mainboard_resource_template(void)
-{
- int len;
- char *start;
- char *end;
- len = acpigen_write_resourcetemplate_header();
- start = acpigen_get_current();
-
- /* Add reserved memory ranges */
- search_global_resources(
- IORESOURCE_MEM | IORESOURCE_RESERVE,
- IORESOURCE_MEM | IORESOURCE_RESERVE,
- acpigen_add_mainboard_rsvd_mem32, 0);
-
- /* Add reserved io ranges */
- search_global_resources(
- IORESOURCE_IO | IORESOURCE_RESERVE,
- IORESOURCE_IO | IORESOURCE_RESERVE,
- acpigen_add_mainboard_rsvd_io, 0);
-
- end = acpigen_get_current();
- len += end-start;
- len += acpigen_write_resourcetemplate_footer(len);
- return len;
-}
-
-int acpigen_write_mainboard_resources(const char *scope, const char *name)
-{
- int len;
- len = acpigen_write_scope(scope);
- len += acpigen_write_name(name);
- len += acpigen_write_mainboard_resource_template();
- acpigen_patch_len(len - 1);
- return len;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-28 17:06:20 +0000