diff options
Diffstat (limited to 'src/northbridge/via/vx800/examples/romstage.c')
-rw-r--r-- | src/northbridge/via/vx800/examples/romstage.c | 541 |
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 -} |