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Diffstat (limited to 'src/northbridge/via/vx800/examples/romstage.c')
-rw-r--r--src/northbridge/via/vx800/examples/romstage.c541
1 files changed, 0 insertions, 541 deletions
diff --git a/src/northbridge/via/vx800/examples/romstage.c b/src/northbridge/via/vx800/examples/romstage.c
deleted file mode 100644
index c96511e2c9..0000000000
--- a/src/northbridge/via/vx800/examples/romstage.c
+++ /dev/null
@@ -1,541 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2009 One Laptop per Child, Association, Inc.
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- */
-
-
-#include <stdint.h>
-#include <device/pci_def.h>
-#include <device/pci_ids.h>
-#include <arch/io.h>
-#include <device/pnp_def.h>
-#include "console/console.c"
-#include "lib/ramtest.c"
-#include "northbridge/via/vx800/vx800.h"
-#include "cpu/x86/mtrr/earlymtrr.c"
-#include "cpu/x86/bist.h"
-#include "pc80/udelay_io.c"
-#include "lib/delay.c"
-#include "lib/memcpy.c"
-#include "cpu/x86/lapic/boot_cpu.c"
-#include "driving_clk_phase_data.c"
-#include "northbridge/via/vx800/raminit.h"
-#include "northbridge/via/vx800/raminit.c"
-
-static int acpi_is_wakeup_early_via_vx800(void)
-{
- device_t dev;
- u16 tmp, result;
-
- print_debug("In acpi_is_wakeup_early_via_vx800\n");
- /* Power management controller */
- dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_VX855_LPC), 0);
-
- if (dev == PCI_DEV_INVALID)
- die("Power management controller not found\n");
-
- /* Set ACPI base address to I/O VX800_ACPI_IO_BASE. */
- pci_write_config16(dev, 0x88, VX800_ACPI_IO_BASE | 0x1);
-
- /* Enable ACPI access RTC signal gated with PSON. */
- pci_write_config8(dev, 0x81, 0x84);
-
- tmp = inw(VX800_ACPI_IO_BASE + 0x04);
- result = ((tmp & (7 << 10)) >> 10) == 1 ? 3 : 0;
- print_debug(" boot_mode=");
- print_debug_hex16(result);
- print_debug("\n");
- return result;
-}
-
-static inline int spd_read_byte(unsigned device, unsigned address)
-{
- return smbus_read_byte(device, address);
-}
-
-static void enable_mainboard_devices(void)
-{
- device_t dev;
- uint16_t values;
-
- print_debug("In enable_mainboard_devices \n");
-
- /* Enable P2P bridge Header for external PCI bus. */
- dev = pci_locate_device(PCI_ID(0x1106, 0xa353), 0);
- pci_write_config8(dev, 0x4f, 0x41);
-}
-
-static void enable_shadow_ram(void)
-{
- uint8_t shadowreg;
-
- pci_write_config8(PCI_DEV(0, 0, 3), 0x80, 0xff);
- /* 0xf0000-0xfffff - ACPI tables */
- shadowreg = pci_read_config8(PCI_DEV(0, 0, 3), 0x83);
- shadowreg |= 0x30;
- pci_write_config8(PCI_DEV(0, 0, 3), 0x83, shadowreg);
- /* 0xe0000-0xeffff - elfload? */
-
- pci_write_config8(PCI_DEV(0, 0, 3), 0x82, 0xff);
-}
-
-/*
-this table contains the value needed to be set before begin to init dram.
-Note: REV_Bx should be cared when porting a new board!!!!! */
-static const struct VIA_PCI_REG_INIT_TABLE mNbStage1InitTbl[] = {
- //VT3409 no pcie
- 0x00, 0xFF, NB_APIC_REG(0x61), 0xFF, 0x0E, // Set Exxxxxxx as pcie mmio config range
- 0x00, 0xFF, NB_APIC_REG(0x60), 0xF4, 0x0B, // Support extended cfg address of pcie
- //0x00, 0xFF, NB_APIC_REG(0x42), 0xF9, 0x02, // APIC Interrupt((BT_INTR)) Control
- // Set ROMSIP value by software
-
- /*0x00, 0xFF, NB_HOST_REG(0x70), 0x77, 0x33, // 2x Host Adr Strobe/Pad Pullup Driving = 3
- 0x00, 0xFF, NB_HOST_REG(0x71), 0x77, 0x33, // 2x Host Adr Strobe/Pad Pulldown Driving = 3
- 0x00, 0xFF, NB_HOST_REG(0x72), 0x77, 0x33, // 4x Host Dat Strobe/Pad Pullup Driving = 3
- 0x00, 0xFF, NB_HOST_REG(0x73), 0x77, 0x33, // 4x Host Dat Strobe/Pad Pulldown Driving = 3
- 0x00, 0xFF, NB_HOST_REG(0x74), 0xFF, 0x21, // Memory I/F timing ctrl
- 0x00, 0xFF, NB_HOST_REG(0x74), 0xFF, 0xE1, // Memory I/F timing ctrl
- 0x00, 0xFF, NB_HOST_REG(0x75), 0xFF, 0x18, // AGTL+ I/O Circuit
- 0x00, 0xFF, NB_HOST_REG(0x76), 0xFB, 0x0C, // AGTL+ Compensation Status
- 0x00, 0xFF, NB_HOST_REG(0x78), 0xFF, 0x33, // 2X AGTL+ Auto Compensation Offset
- 0x00, 0xFF, NB_HOST_REG(0x79), 0xFF, 0x33, // 4X AGTL+ Auto Compensation Offset
- 0x00, 0xFF, NB_HOST_REG(0x7A), 0x3F, 0x72, // AGTL Compensation Status
- 0x00, 0xFF, NB_HOST_REG(0x7A), 0x3F, 0x77, // AGTL Compensation Status
- 0x00, 0xFF, NB_HOST_REG(0x7B), 0xFF, 0x44, // Input Host Address / Host Strobe Delay Control for HA Group
- 0x00, 0xFF, NB_HOST_REG(0x7B), 0xFF, 0x22, // Input Host Address / Host Strobe Delay Control for HA Group
- 0x00, 0xFF, NB_HOST_REG(0x7C), 0xFF, 0x00, // Output Delay Control of PAD for HA Group
- 0x00, 0xFF, NB_HOST_REG(0x7D), 0xFF, 0xAA, // Host Address / Address Clock Output Delay Control (Only for P4 Bus)
- 0x00, 0xFF, NB_HOST_REG(0x7E), 0xFF, 0x10, // Host Address CKG Rising / Falling Time Control (Only for P4 Bus)
- 0x00, 0xFF, NB_HOST_REG(0x7E), 0xFF, 0x40, // Host Address CKG Rising / Falling Time Control (Only for P4 Bus)
- 0x00, 0xFF, NB_HOST_REG(0x7F), 0xFF, 0x10, // Host Address CKG Rising / Falling Time Control (Only for P4 Bus)
- 0x00, 0xFF, NB_HOST_REG(0x7F), 0xFF, 0x40, // Host Address CKG Rising / Falling Time Control (Only for P4 Bus)
- 0x00, 0xFF, NB_HOST_REG(0x80), 0x3F, 0x44, // Host Data Receiving Strobe Delay Ctrl 1
- 0x00, 0xFF, NB_HOST_REG(0x81), 0xFF, 0x44, // Host Data Receiving Strobe Delay Ctrl 2
- 0x00, 0xFF, NB_HOST_REG(0x82), 0xFF, 0x00, // Output Delay of PAD for HDSTB
- 0x00, 0xFF, NB_HOST_REG(0x83), 0xFF, 0x00, // Output Delay of PAD for HD
- 0x00, 0xFF, NB_HOST_REG(0x84), 0xFF, 0x44, // Host Data / Strobe CKG Control (Group 0)
- 0x00, 0xFF, NB_HOST_REG(0x85), 0xFF, 0x44, // Host Data / Strobe CKG Control (Group 1)
- 0x00, 0xFF, NB_HOST_REG(0x86), 0xFF, 0x44, // Host Data / Strobe CKG Control (Group 2)
- 0x00, 0xFF, NB_HOST_REG(0x87), 0xFF, 0x44, // Host Data / Strobe CKG Control (Group 3) */
-
-
- // CPU Host Bus Control
- 0x00, 0xFF, NB_HOST_REG(0x50), 0x1F, 0x08, // Request phase ctrl: Dynamic Defer Snoop Stall Count = 8
- //0x00, 0xFF, NB_HOST_REG(0x51), 0xFF, 0x7F, // CPU I/F Ctrl-1: Disable Fast DRDY and RAW
- 0x00, 0xFF, NB_HOST_REG(0x51), 0xFF, 0x7C, // CPU I/F Ctrl-1: Disable Fast DRDY and RAW
- 0x00, 0xFF, NB_HOST_REG(0x52), 0xCB, 0xCB, // CPU I/F Ctrl-2: Enable all for performance
- //0x00, 0xFF, NB_HOST_REG(0x53), 0xFF, 0x88, // Arbitration: Host/Master Occupancy timer = 8*4 HCLK
- 0x00, 0xFF, NB_HOST_REG(0x53), 0xFF, 0x44, // Arbitration: Host/Master Occupancy timer = 4*4 HCLK
- 0x00, 0xFF, NB_HOST_REG(0x54), 0x1E, 0x1C, // Misc Ctrl: Enable 8QW burst Mem Access
- //0x00, 0xFF, NB_HOST_REG(0x55), 0x06, 0x06, // Miscellaneous Control 2
- 0x00, 0xFF, NB_HOST_REG(0x55), 0x06, 0x04, // Miscellaneous Control 2
- 0x00, 0xFF, NB_HOST_REG(0x56), 0xF7, 0x63, // Write Policy 1
- //0x00, 0xFF, NB_HOST_REG(0x59), 0x3D, 0x01, // CPU Miscellaneous Control 1, enable Lowest-Priority IPL
- //0x00, 0xFF, NB_HOST_REG(0x5c), 0xFF, 0x00, // CPU Miscellaneous Control 2
- 0x00, 0xFF, NB_HOST_REG(0x5D), 0xFF, 0xA2, // Write Policy
- 0x00, 0xFF, NB_HOST_REG(0x5E), 0xFF, 0x88, // Bandwidth Timer
- 0x00, 0xFF, NB_HOST_REG(0x5F), 0x46, 0x46, // CPU Misc Ctrl
- // 0x00, 0xFF, NB_HOST_REG(0x90), 0xFF, 0x0B, // CPU Miscellaneous Control 3
- //0x00, 0xFF, NB_HOST_REG(0x96), 0x0B, 0x0B, // CPU Miscellaneous Control 2
- 0x00, 0xFF, NB_HOST_REG(0x96), 0x0B, 0x0A, // CPU Miscellaneous Control 2
- 0x00, 0xFF, NB_HOST_REG(0x98), 0xC1, 0x41, // CPU Miscellaneous Control 3
- 0x00, 0xFF, NB_HOST_REG(0x99), 0x0E, 0x06, // CPU Miscellaneous Control 4
-
-
- // Set APIC and SMRAM
- 0x00, 0xFF, NB_HOST_REG(0x97), 0xFF, 0x00, // APIC Related Control
- 0x00, 0xFF, NB_DRAMC_REG(0x86), 0xD6, 0x29, // SMM and APIC Decoding: enable APIC, MSI and SMRAM A-Seg
- 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // End of the table
-};
-
-#define USE_VCP 1 //0 means use DVP
-#define USE_COM1 1
-#define USE_COM2 0
-
-#define gCom1Base 0x3f8
-#define gCom2Base 0x2f8
-
-void EmbedComInit(void)
-{
- u8 ByteVal;
- u16 ComBase;
-
- //enable NB multiple function control
- ByteVal = pci_read_config8(PCI_DEV(0, 0, 0), 0x4f);
- ByteVal = ByteVal | 0x01;
- pci_write_config8(PCI_DEV(0, 0, 0), 0x4f, ByteVal);
-
- //VGA Enable
- ByteVal = pci_read_config8(PCI_DEV(0, 0, 3), 0xA1);
- ByteVal = ByteVal | 0x80;
- pci_write_config8(PCI_DEV(0, 0, 3), 0xA1, ByteVal);
-
- ByteVal = pci_read_config8(PCI_DEV(0, 0, 3), 0xA7);
- ByteVal = ByteVal | 0x08;
- pci_write_config8(PCI_DEV(0, 0, 3), 0xA7, ByteVal);
-
- //Enable p2p IO/mem
- ByteVal = pci_read_config8(PCI_DEV(0, 1, 0), 0x4);
- ByteVal = ByteVal | 0x07;
- pci_write_config8(PCI_DEV(0, 1, 0), 0x4, ByteVal);
-
- //Turn on Graphic chip IO port port access
- ByteVal = inb(0x3C3);
- ByteVal = ByteVal | 0x01;
- outb(ByteVal, 0x3C3);
-
- //Turn off Graphic chip Register protection
- outb(0x10, 0x3C4);
- ByteVal = inb(0x3C5);
- ByteVal = ByteVal | 0x01;
- outb(ByteVal, 0x3C5);
-
- //south module pad share enable 0x3C5.78[7]
- outb(0x78, 0x3C4);
- ByteVal = inb(0x3C5);
- ByteVal = ByteVal | 0x80;
- outb(ByteVal, 0x3C5);
-
- //enable UART Function multiplex with DVP or VCP pad D17F0Rx46[7,6]
- ByteVal = pci_read_config8(PCI_DEV(0, 17, 0), 0x46);
- //multiplex with VCP
- if (USE_VCP == 1)
- ByteVal = (ByteVal & 0x3F) | 0x40;
- //multiplex with DVP
- else
- ByteVal = (ByteVal & 0x3F) | 0xC0;
- pci_write_config8(PCI_DEV(0, 17, 0), 0x46, ByteVal);
-
- //enable embeded com1 and com2 D17F0RxB0[5,4]
- ByteVal = pci_read_config8(PCI_DEV(0, 17, 0), 0xB0);
- ByteVal = ByteVal & 0xcf;
- //multiplex with VCP
- if (USE_COM1 == 1)
- ByteVal = ByteVal | 0x10;
- if (USE_COM2 == 1)
- ByteVal = ByteVal | 0x20;
- pci_write_config8(PCI_DEV(0, 17, 0), 0xB0, ByteVal);
-
- if (USE_COM1 == 1)
- ComBase = gCom1Base;
- else
- ComBase = gCom2Base;
-
-//noharddrive
-
- //set embeded com1 IO base = 0x3E8
- //D17F0RB4
- //ByteVal = 0xFD;
- if (USE_COM1 == 1) {
- ByteVal = (u8) ((gCom1Base >> 3) | 0x80);
- pci_write_config8(PCI_DEV(0, 17, 0), 0xB4, ByteVal);
- ByteVal = pci_read_config8(PCI_DEV(0, 17, 0), 0xb2);
- ByteVal = (ByteVal & 0xf0) | 0x04;
- pci_write_config8(PCI_DEV(0, 17, 0), 0xB2, ByteVal);
- }
- //set embeded com2 IO base = 0x2E8
- //D17F0RB5
- //ByteVal = 0xDD;
- if (USE_COM2 == 1) {
- ByteVal = (u8) ((gCom2Base >> 3) | 0x80);
- pci_write_config8(PCI_DEV(0, 17, 0), 0xB5, ByteVal);
- ByteVal = pci_read_config8(PCI_DEV(0, 17, 0), 0xb2);
- ByteVal = (ByteVal & 0x0f) | 0x30;
- pci_write_config8(PCI_DEV(0, 17, 0), 0xB2, ByteVal);
- }
- //no port 80 biger then 0x10
-
- //disable interrupt
- ByteVal = inb(ComBase + 3);
- outb(ByteVal & 0x7F, ComBase + 3);
- outb(0x00, ComBase + 1);
-
- //set baudrate
- ByteVal = inb(ComBase + 3);
- outb(ByteVal | 0x80, ComBase + 3);
- outb(0x01, ComBase);
- outb(0x00, ComBase + 1);
-
- //set frame fromat
- ByteVal = inb(ComBase + 3);
- outb(ByteVal & 0x3F, ComBase + 3);
- outb(0x03, ComBase + 3);
- outb(0x00, ComBase + 2);
- outb(0x00, ComBase + 4);
-
- //SOutput("Embeded com output\n");
- //while(1);
-}
-
-void main(unsigned long bist)
-{
- unsigned cpu_reset = 0;
- u16 boot_mode;
- u8 rambits;
-
- //device_t dev;
- /* Enable multifunction for northbridge. */
- pci_write_config8(PCI_DEV(0, 0, 0), 0x4f, 0x01);
- EmbedComInit();
- //enable_vx800_serial();
- //uart_init();
-
-/* 1. D15F0
-
-a) RxBAh = 71h
-
-b) RxBBh = 05h
-
-c) RxBEh = 71h
-
-d) RxBFh = 05h
-
-2. D17F0
-
-a) RxA0h = 06h
-
-b) RxA1h = 11h
-
-c) RxA2h = 27h
-
-d) RxA3h = 32h
-
-e) Rx79h = 40h
-
-f) Rx72h = 27h
-
-g) Rx73h = 32h
-*/
-
- u8 Data8;
-
- pci_write_config16(PCI_DEV(0, 0xf, 0), 0xBA,
- PCI_DEVICE_ID_VIA_VX855_IDE);
- pci_write_config16(PCI_DEV(0, 0xf, 0), 0xBE,
- PCI_DEVICE_ID_VIA_VX855_IDE);
- pci_write_config16(PCI_DEV(0, 0x11, 0), 0xA0, PCI_VENDOR_ID_VIA);
- pci_write_config16(PCI_DEV(0, 0x11, 0), 0xA2,
- PCI_DEVICE_ID_VIA_VX855_LPC);
- Data8 = pci_read_config8(PCI_DEV(0, 0x11, 0), 0x79);
- Data8 &= ~0x40;
- Data8 |= 0x40;
- pci_write_config8(PCI_DEV(0, 0x11, 0), 0x79, Data8);
- pci_write_config16(PCI_DEV(0, 0x11, 0), 0x72,
- PCI_DEVICE_ID_VIA_VX855_LPC);
-
- console_init(); //there are to function defination of console_init(), while the src/archi386/lib is the right one
-
- /* decide if this is a s3 wakeup or a normal boot */
- boot_mode = acpi_is_wakeup_early_via_vx800();
- /*add this, to transfer "cpu restart" to "cold boot"
- When this boot is not a S3 resume, and PCI registers had been written,
- then this must be a cpu restart(result of os reboot cmd). so we need a real "cold boot". */
- if ((boot_mode != 3)
- && (pci_read_config8(PCI_DEV(0, 0, 3), 0x80) != 0)) {
- outb(6, 0xcf9);
- }
-
- /*x86 cold boot I/O cmd */
- enable_smbus();
- //smbus_fixup(&ctrl);// this fix does help vx800!, but vx855 no need this
-
- if (bist == 0) {
- // CAR need mtrr untill mem is ok, so i disable this early_mtrr_init();
- //print_debug("doing early_mtrr\n");
- //early_mtrr_init();
- }
-
- /* Halt if there was a built-in self test failure. */
- report_bist_failure(bist);
-
- print_debug("Enabling mainboard devices\n");
- enable_mainboard_devices();
-
- u8 Data;
- device_t device;
- /* Get NB Chip revision from D0F4RxF6, revision will be used in via_pci_inittable */
- device = PCI_DEV(0, 0, 4);
- Data = pci_read_config8(device, 0xf6);
- print_debug("NB chip revision =");
- print_debug_hex8(Data);
- print_debug("\n");
- /* make NB ready before draminit */
- via_pci_inittable(Data, mNbStage1InitTbl);
-
- /*add this.
- When resume from s3, draminit is skiped, so need to recovery any PCI register related to draminit.
- and d0f3 didnt lost its Power during whole s3 time, so any register not belongs to d0f3 need to be recoveried . */
-#if 1
- if (boot_mode == 3) {
- u8 i;
- u8 ramregs[] = { 0x43, 0x42, 0x41, 0x40 };
- DRAM_SYS_ATTR DramAttr;
-
- print_debug("This is a S3 wakeup\n");
-
- memset(&DramAttr, 0, sizeof(DRAM_SYS_ATTR));
- /*Step1 DRAM Detection; DDR1 or DDR2; Get SPD Data; Rank Presence;64 or 128bit; Unbuffered or registered; 1T or 2T */
- DRAMDetect(&DramAttr);
-
- /*begin to get ram size, 43,42 41 40 contains the end address of last rank in ddr2-slot */
- device = PCI_DEV(0, 0, 3);
- for (rambits = 0, i = 0; i < ARRAY_SIZE(ramregs); i++) {
- rambits = pci_read_config8(device, ramregs[i]);
- if (rambits != 0)
- break;
- }
-
- DRAMDRDYSetting(&DramAttr);
-
- Data = 0x80; // this value is same with dev_init.c
- pci_write_config8(PCI_DEV(0, 0, 4), 0xa3, Data);
- pci_write_config8(PCI_DEV(0, 17, 7), 0x60, rambits << 2);
- Data = pci_read_config8(MEMCTRL, 0x88);
- pci_write_config8(PCI_DEV(0, 17, 7), 0xE5, Data);
-
- DRAMRegFinalValue(&DramAttr); // I just copy this function from draminit to here!
- SetUMARam(); // I just copy this function from draminit to here!
- print_debug("Resume from S3, RAM init was ignored\n");
- } else {
- ddr2_ram_setup();
- ram_check(0, 640 * 1024);
- }
-#endif
- //ddr2_ram_setup();
- /*this line is the same with cx700 port . */
- enable_shadow_ram();
-
- /*
- For coreboot most time of S3 resume is the same as normal boot, so some memory area under 1M become dirty,
- so before this happen, I need to backup the content of mem to top-mem.
- I will reserve the 1M top-men in LBIO table in coreboot_table.c and recovery the content of 1M-mem in wakeup.c
- */
-#if PAYLOAD_IS_SEABIOS==1 //
- if (boot_mode == 3) {
- /* some idea of Libo.Feng at amd.com in http://www.coreboot.org/pipermail/coreboot/2008-December/043111.html
- I want move the 1M data, I have to set some MTRRs myself. */
- /* setting mtrr before back memory save s3 resume time about 0.14 seconds */
- /*because CAR stack use cache, and here to use cache , must be careful,
- 1 during these mtrr code, must no function call, (after this mtrr, I think it should be ok to use function)
- 2 before stack switch, no use variable that have value set before this
- 3 due to 2, take care of "cpu_reset", I directlly set it to ZERO.
- */
- u32 memtop = *(u32 *) WAKE_MEM_INFO;
- u32 memtop1 = *(u32 *) WAKE_MEM_INFO - 0x100000;
- u32 memtop2 = *(u32 *) WAKE_MEM_INFO - 0x200000;
- u32 memtop3 =
- *(u32 *) WAKE_MEM_INFO - 64 * 1024 - 0x100000;
- u32 memtop4 =
- *(u32 *) WAKE_MEM_INFO - 64 * 1024 - 0x100000 +
- 0xe0000;
- /* __asm__ volatile (
- "movl $0x204, %%ecx\n\t"
- "xorl %%edx, %%edx\n\t"
- "movl %0,%%eax\n\t"
- "orl $(0 | 6), %%eax\n\t"
- "wrmsr\n\t"
-
- "movl $0x205, %%ecx\n\t"
- "xorl %%edx, %%edx\n\t"
- "movl $0x100000,%%eax\n\t"
- "decl %%eax\n\t"
- "notl %%eax\n\t"
- "orl $(0 | 0x800), %%eax\n\t"
- "wrmsr\n\t"
- ::"g"(memtop2)
- );
- __asm__ volatile (
- "movl $0x206, %%ecx\n\t"
- "xorl %%edx, %%edx\n\t"
- "movl %0,%%eax\n\t"
- "orl $(0 | 6), %%eax\n\t"
- "wrmsr\n\t"
-
- "movl $0x207, %%ecx\n\t"
- "xorl %%edx, %%edx\n\t"
- "movl $0x100000,%%eax\n\t"
- "decl %%eax\n\t"
- "notl %%eax\n\t"
- "orl $(0 | 0x800), %%eax\n\t"
- "wrmsr\n\t"
- ::"g"(memtop1)
- );
- __asm__ volatile (
- "movl $0x208, %ecx\n\t"
- "xorl %edx, %edx\n\t"
- "movl $0,%eax\n\t"
- "orl $(0 | 6), %eax\n\t"
- "wrmsr\n\t"
-
- "movl $0x209, %ecx\n\t"
- "xorl %edx, %edx\n\t"
- "movl $0x100000,%eax\n\t"
- "decl %eax\n\t"
- "notl %eax\n\t"
- "orl $(0 | 0x800), %eax\n\t"
- "wrmsr\n\t"
- );
- */
- // WAKE_MEM_INFO is inited in get_set_top_available_mem in tables.c
- // these two memcpy not not be enabled if set the MTRR around this two lines.
- /*__asm__ volatile (
- "movl $0, %%esi\n\t"
- "movl %0, %%edi\n\t"
- "movl $0xa0000, %%ecx\n\t"
- "shrl $2, %%ecx\n\t"
- "rep movsd\n\t"
- ::"g"(memtop3)
- );
- __asm__ volatile (
- "movl $0xe0000, %%esi\n\t"
- "movl %0, %%edi\n\t"
- "movl $0x20000, %%ecx\n\t"
- "shrl $2, %%ecx\n\t"
- "rep movsd\n\t"
- ::"g"(memtop4)
- );*/
- print_debug("copy memory to high memory to protect s3 wakeup vector code \n"); //this can have function call, because no variable used before this
- memcpy((unsigned char *) ((*(u32 *) WAKE_MEM_INFO) -
- 64 * 1024 - 0x100000),
- (unsigned char *) 0, 0xa0000);
- memcpy((unsigned char *) ((*(u32 *) WAKE_MEM_INFO) -
- 64 * 1024 - 0x100000 + 0xe0000),
- (unsigned char *) 0xe0000, 0x20000);
-
- /* restore the MTRR previously modified. */
-/* __asm__ volatile (
- "wbinvd\n\t"
- "xorl %edx, %edx\n\t"
- "xorl %eax, %eax\n\t"
- "movl $0x204, %ecx\n\t"
- "wrmsr\n\t"
- "movl $0x205, %ecx\n\t"
- "wrmsr\n\t"
- "movl $0x206, %ecx\n\t"
- "wrmsr\n\t"
- "movl $0x207, %ecx\n\t"
- "wrmsr\n\t"
- "movl $0x208, %ecx\n\t"
- "wrmsr\n\t"
- "movl $0x209, %ecx\n\t"
- "wrmsr\n\t"
- );*/
- }
-#endif
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 20:01:36 +0000