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-rw-r--r--board/MAI/AmigaOneG3SE/articiaS.c704
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diff --git a/board/MAI/AmigaOneG3SE/articiaS.c b/board/MAI/AmigaOneG3SE/articiaS.c
deleted file mode 100644
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--- a/board/MAI/AmigaOneG3SE/articiaS.c
+++ /dev/null
@@ -1,704 +0,0 @@
-/*
- * (C) Copyright 2002
- * Hyperion Entertainment, ThomasF@hyperion-entertainment.com
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <pci.h>
-#include <asm/processor.h>
-#include "memio.h"
-#include "articiaS.h"
-#include "smbus.h"
-#include "via686.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#undef DEBUG
-
-struct dimm_bank {
- uint8 used; /* Bank is populated */
- uint32 rows; /* Number of row addresses */
- uint32 columns; /* Number of column addresses */
- uint8 registered; /* SIMM is registered */
- uint8 ecc; /* SIMM has ecc */
- uint8 burst_len; /* Supported burst lengths */
- uint32 cas_lat; /* Supported CAS latencies */
- uint32 cas_used; /* CAS to use (not set by user) */
- uint32 trcd; /* RAS to CAS latency */
- uint32 trp; /* Precharge latency */
- uint32 tclk_hi; /* SDRAM cycle time (highest CAS latency) */
- uint32 tclk_2hi; /* SDRAM second highest CAS latency */
- uint32 size; /* Size of bank in bytes */
- uint8 auto_refresh; /* Module supports auto refresh */
- uint32 refresh_time; /* Refresh time (in ns) */
-};
-
-
-/*
-** Based in part on the evb64260 code
-*/
-
-/*
- * translate ns.ns/10 coding of SPD timing values
- * into 10 ps unit values
- */
-static inline unsigned short NS10to10PS (unsigned char spd_byte)
-{
- unsigned short ns, ns10;
-
- /* isolate upper nibble */
- ns = (spd_byte >> 4) & 0x0F;
- /* isolate lower nibble */
- ns10 = (spd_byte & 0x0F);
-
- return (ns * 100 + ns10 * 10);
-}
-
-/*
- * translate ns coding of SPD timing values
- * into 10 ps unit values
- */
-static inline unsigned short NSto10PS (unsigned char spd_byte)
-{
- return (spd_byte * 100);
-}
-
-
-long detect_sdram (uint8 * rom, int dimmNum, struct dimm_bank *banks)
-{
- int dimm_address = (dimmNum == 0) ? SM_DIMM0_ADDR : SM_DIMM1_ADDR;
- uint32 busclock = gd->bus_clk;
- uint32 memclock = busclock;
- uint32 tmemclock = 1000000000 / (memclock / 100);
- uint32 datawidth;
-
- if (sm_get_data (rom, dimm_address) == 0) {
- /* Nothing in slot, make both banks empty */
- debug ("Slot %d: vacant\n", dimmNum);
- banks[0].used = 0;
- banks[1].used = 0;
- return 0;
- }
-
- if (rom[2] != 0x04) {
- debug ("Slot %d: No SDRAM\n", dimmNum);
- banks[0].used = 0;
- banks[1].used = 0;
- return 0;
- }
-
- /* Determine number of banks/rows */
- if (rom[5] == 1) {
- banks[0].used = 1;
- banks[1].used = 0;
- } else {
- banks[0].used = 1;
- banks[1].used = 1;
- }
-
- /* Determine number of row addresses */
- if (rom[3] & 0xf0) {
- /* Different banks sizes */
- banks[0].rows = rom[3] & 0x0f;
- banks[1].rows = (rom[3] & 0xf0) >> 4;
- } else {
- /* Equal sized banks */
- banks[0].rows = rom[3] & 0x0f;
- banks[1].rows = banks[0].rows;
- }
-
- /* Determine number of column addresses */
- if (rom[4] & 0xf0) {
- /* Different bank sizes */
- banks[0].columns = rom[4] & 0x0f;
- banks[1].columns = (rom[4] & 0xf0) >> 4;
- } else {
- banks[0].columns = rom[4] & 0x0f;
- banks[1].columns = banks[0].columns;
- }
-
- /* Check Jedec revision, and modify row/column accordingly */
- if (rom[62] > 0x10) {
- if (banks[0].rows <= 3)
- banks[0].rows += 15;
- if (banks[1].rows <= 3)
- banks[1].rows += 15;
- if (banks[0].columns <= 3)
- banks[0].columns += 15;
- if (banks[0].columns <= 3)
- banks[0].columns += 15;
- }
-
- /* Check registered/unregisterd */
- if (rom[21] & 0x12) {
- banks[0].registered = 1;
- banks[1].registered = 1;
- } else {
- banks[0].registered = 0;
- banks[1].registered = 0;
- }
-
-#ifdef CONFIG_ECC
- /* Check parity/ECC */
- banks[0].ecc = (rom[11] == 0x02);
- banks[1].ecc = (rom[11] == 0x02);
-#endif
-
- /* Find burst lengths supported */
- banks[0].burst_len = rom[16] & 0x8f;
- banks[1].burst_len = rom[16] & 0x8f;
-
- /* Find possible cas latencies */
- banks[0].cas_lat = rom[18] & 0x7F;
- banks[1].cas_lat = rom[18] & 0x7F;
-
- /* RAS/CAS latency */
- banks[0].trcd = (NSto10PS (rom[29]) + (tmemclock - 1)) / tmemclock;
- banks[1].trcd = (NSto10PS (rom[29]) + (tmemclock - 1)) / tmemclock;
-
- /* Precharge latency */
- banks[0].trp = (NSto10PS (rom[27]) + (tmemclock - 1)) / tmemclock;
- banks[1].trp = (NSto10PS (rom[27]) + (tmemclock - 1)) / tmemclock;
-
- /* highest CAS latency */
- banks[0].tclk_hi = NS10to10PS (rom[9]);
- banks[1].tclk_hi = NS10to10PS (rom[9]);
-
- /* second highest CAS latency */
- banks[0].tclk_2hi = NS10to10PS (rom[23]);
- banks[1].tclk_2hi = NS10to10PS (rom[23]);
-
- /* bank sizes */
- datawidth = rom[13] & 0x7f;
- banks[0].size =
- (1L << (banks[0].rows + banks[0].columns)) *
- /* FIXME datawidth */ 8 * rom[17];
- if (rom[13] & 0x80)
- banks[1].size = 2 * banks[0].size;
- else
- banks[1].size = (1L << (banks[1].rows + banks[1].columns)) *
- /* FIXME datawidth */ 8 * rom[17];
-
- /* Refresh */
- if (rom[12] & 0x80) {
- banks[0].auto_refresh = 1;
- banks[1].auto_refresh = 1;
- } else {
- banks[0].auto_refresh = 0;
- banks[1].auto_refresh = 0;
- }
-
- switch (rom[12] & 0x7f) {
- case 0:
- banks[0].refresh_time = (1562500 + (tmemclock - 1)) / tmemclock;
- banks[1].refresh_time = (1562500 + (tmemclock - 1)) / tmemclock;
- break;
- case 1:
- banks[0].refresh_time = (390600 + (tmemclock - 1)) / tmemclock;
- banks[1].refresh_time = (390600 + (tmemclock - 1)) / tmemclock;
- break;
- case 2:
- banks[0].refresh_time = (781200 + (tmemclock - 1)) / tmemclock;
- banks[1].refresh_time = (781200 + (tmemclock - 1)) / tmemclock;
- break;
- case 3:
- banks[0].refresh_time = (3125000 + (tmemclock - 1)) / tmemclock;
- banks[1].refresh_time = (3125000 + (tmemclock - 1)) / tmemclock;
- break;
- case 4:
- banks[0].refresh_time = (6250000 + (tmemclock - 1)) / tmemclock;
- banks[1].refresh_time = (6250000 + (tmemclock - 1)) / tmemclock;
- break;
- case 5:
- banks[0].refresh_time = (12500000 + (tmemclock - 1)) / tmemclock;
- banks[1].refresh_time = (12500000 + (tmemclock - 1)) / tmemclock;
- break;
- default:
- banks[0].refresh_time = 0x100; /* Default of Articia S */
- banks[1].refresh_time = 0x100;
- break;
- }
-
-#ifdef DEBUG
- printf ("\nInformation for SIMM bank %ld:\n", dimmNum);
- printf ("Number of banks: %ld\n", banks[0].used + banks[1].used);
- printf ("Number of row addresses: %ld\n", banks[0].rows);
- printf ("Number of coumns addresses: %ld\n", banks[0].columns);
- printf ("SIMM is %sregistered\n",
- banks[0].registered == 0 ? "not " : "");
-#ifdef CONFIG_ECC
- printf ("SIMM %s ECC\n",
- banks[0].ecc == 1 ? "supports" : "doesn't support");
-#endif
- printf ("Supported burst lenghts: %s %s %s %s %s\n",
- banks[0].burst_len & 0x08 ? "8" : " ",
- banks[0].burst_len & 0x04 ? "4" : " ",
- banks[0].burst_len & 0x02 ? "2" : " ",
- banks[0].burst_len & 0x01 ? "1" : " ",
- banks[0].burst_len & 0x80 ? "PAGE" : " ");
- printf ("Supported CAS latencies: %s %s %s\n",
- banks[0].cas_lat & 0x04 ? "CAS 3" : " ",
- banks[0].cas_lat & 0x02 ? "CAS 2" : " ",
- banks[0].cas_lat & 0x01 ? "CAS 1" : " ");
- printf ("RAS to CAS latency: %ld\n", banks[0].trcd);
- printf ("Precharge latency: %ld\n", banks[0].trp);
- printf ("SDRAM highest CAS latency: %ld\n", banks[0].tclk_hi);
- printf ("SDRAM 2nd highest CAS latency: %ld\n", banks[0].tclk_2hi);
- printf ("SDRAM data width: %ld\n", datawidth);
- printf ("Auto Refresh %ssupported\n",
- banks[0].auto_refresh ? "" : "not ");
- printf ("Refresh time: %ld clocks\n", banks[0].refresh_time);
- if (banks[0].used)
- printf ("Bank 0 size: %ld MB\n", banks[0].size / 1024 / 1024);
- if (banks[1].used)
- printf ("Bank 1 size: %ld MB\n", banks[1].size / 1024 / 1024);
-
- printf ("\n");
-#endif
-
- sm_term ();
- return 1;
-}
-
-void select_cas (struct dimm_bank *banks, uint8 fast)
-{
- if (!banks[0].used) {
- banks[0].cas_used = 0;
- banks[0].cas_used = 0;
- return;
- }
-
- if (fast) {
- /* Search for fast CAS */
- uint32 i;
- uint32 c = 0x01;
-
- for (i = 1; i < 5; i++) {
- if (banks[0].cas_lat & c) {
- banks[0].cas_used = i;
- banks[1].cas_used = i;
- debug ("Using CAS %d (fast)\n", i);
- return;
- }
- c <<= 1;
- }
-
- /* Default to CAS 3 */
- banks[0].cas_used = 3;
- banks[1].cas_used = 3;
- debug ("Using CAS 3 (fast)\n");
-
- return;
- } else {
- /* Search for slow cas */
- uint32 i;
- uint32 c = 0x08;
-
- for (i = 4; i > 1; i--) {
- if (banks[0].cas_lat & c) {
- banks[0].cas_used = i;
- banks[1].cas_used = i;
- debug ("Using CAS %d (slow)\n", i);
- return;
- }
- c >>= 1;
- }
-
- /* Default to CAS 3 */
- banks[0].cas_used = 3;
- banks[1].cas_used = 3;
- debug ("Using CAS 3 (slow)\n");
-
- return;
- }
-
- banks[0].cas_used = 3;
- banks[1].cas_used = 3;
- debug ("Using CAS 3\n");
-
- return;
-}
-
-uint32 get_reg_setting (uint32 banks, uint32 rows, uint32 columns, uint32 size)
-{
- uint32 i;
-
- struct RowColumnSize {
- uint32 banks;
- uint32 rows;
- uint32 columns;
- uint32 size;
- uint32 register_value;
- };
-
- struct RowColumnSize rcs_map[] = {
- /* Sbk Radr Cadr MB Value */
- {1, 11, 8, 8, 0x00840f00},
- {1, 11, 9, 16, 0x00925f00},
- {1, 11, 10, 32, 0x00a64f00},
- {2, 12, 8, 32, 0x00c55f00},
- {2, 12, 9, 64, 0x00d66f00},
- {2, 12, 10, 128, 0x00e77f00},
- {2, 12, 11, 256, 0x00ff8f00},
- {2, 13, 11, 512, 0x00ff9f00},
- {0, 0, 0, 0, 0x00000000}
- };
-
-
- i = 0;
-
- while (rcs_map[i].banks != 0) {
- if (rows == rcs_map[i].rows
- && columns == rcs_map[i].columns
- && (size / 1024 / 1024) == rcs_map[i].size)
- return rcs_map[i].register_value;
-
- i++;
- }
-
- return 0;
-}
-
-uint32 burst_to_len (uint32 support)
-{
- if (support & 0x80)
- return 0x7;
- else if (support & 0x8)
- return 0x3;
- else if (support & 0x4)
- return 0x2;
- else if (support & 0x2)
- return 0x1;
- else if (support & 0x1)
- return 0x0;
-
- return 0;
-}
-
-long articiaS_ram_init (void)
-{
- register uint32 i;
- register uint32 value1;
- register uint32 value2;
- uint8 rom[128];
- uint32 burst_len;
- uint32 burst_support;
- uint32 total_ram = 0;
-
- struct dimm_bank banks[4]; /* FIXME: Move to initram */
- uint32 busclock = gd->bus_clk;
- uint32 memclock = busclock;
- uint32 reg32;
- uint32 refresh_clocks;
- uint8 auto_refresh;
-
- memset (banks, 0, sizeof (struct dimm_bank) * 4);
-
- detect_sdram (rom, 0, &banks[0]);
- detect_sdram (rom, 1, &banks[2]);
-
- for (i = 0; i < 4; i++) {
- total_ram = total_ram + (banks[i].used * banks[i].size);
- }
-
- pci_write_cfg_long (0, 0, GLOBALINFO0, 0x117430c0);
- pci_write_cfg_long (0, 0, HBUSACR0, 0x1f0100b0);
- pci_write_cfg_long (0, 0, SRAM_CR, 0x00f12000); /* Note: Might also try 0x00f10000 (original: 0x00f12000) */
- pci_write_cfg_byte (0, 0, DRAM_RAS_CTL0, 0x3f);
- pci_write_cfg_byte (0, 0, DRAM_RAS_CTL1, 0x00); /* was: 0x04); */
- pci_write_cfg_word (0, 0, DRAM_ECC0, 0x2020); /* was: 0x2400); No ECC yet */
-
- /* FIXME: Move this stuff to seperate function, like setup_dimm_bank */
- if (banks[0].used) {
- value1 = get_reg_setting (banks[0].used + banks[1].used,
- banks[0].rows, banks[0].columns,
- banks[0].size);
- } else {
- value1 = 0;
- }
-
- if (banks[1].used) {
- value2 = get_reg_setting (banks[0].used + banks[1].used,
- banks[1].rows, banks[1].columns,
- banks[1].size);
- } else {
- value2 = 0;
- }
-
- pci_write_cfg_long (0, 0, DIMM0_B0_SCR0, value1);
- pci_write_cfg_long (0, 0, DIMM0_B1_SCR0, value2);
-
- debug ("DIMM0_B0_SCR0 = 0x%08x\n", value1);
- debug ("DIMM0_B1_SCR0 = 0x%08x\n", value2);
-
- if (banks[2].used) {
- value1 = get_reg_setting (banks[2].used + banks[3].used,
- banks[2].rows, banks[2].columns,
- banks[2].size);
- } else {
- value1 = 0;
- }
-
- if (banks[3].used) {
- value2 = get_reg_setting (banks[2].used + banks[3].used,
- banks[3].rows, banks[3].columns,
- banks[3].size);
- } else {
- value2 = 0;
- }
-
- pci_write_cfg_long (0, 0, DIMM1_B2_SCR0, value1);
- pci_write_cfg_long (0, 0, DIMM1_B3_SCR0, value2);
-
- debug ("DIMM0_B2_SCR0 = 0x%08x\n", value1);
- debug ("DIMM0_B3_SCR0 = 0x%08x\n", value2);
-
- pci_write_cfg_long (0, 0, DIMM2_B4_SCR0, 0);
- pci_write_cfg_long (0, 0, DIMM2_B5_SCR0, 0);
- pci_write_cfg_long (0, 0, DIMM3_B6_SCR0, 0);
- pci_write_cfg_long (0, 0, DIMM3_B7_SCR0, 0);
-
- /* Determine timing */
- select_cas (&banks[0], 0);
- select_cas (&banks[2], 0);
-
- /* FIXME: What about write recovery */
- /* Auto refresh Precharge */
-#if 0
- reg32 = (0x3 << 13) | (0x7 << 10) | ((banks[0].trp - 2) << 8) |
- /* Write recovery CAS Latency */
- (0x1 << 6) | (banks[0].cas_used << 4) |
- /* RAS/CAS latency */
- ((banks[0].trcd - 1) << 0);
-
- reg32 |= ((0x3 << 13) | (0x7 << 10) | ((banks[2].trp - 2) << 8) |
- (0x1 << 6) | (banks[2].cas_used << 4) |
- ((banks[2].trcd - 1) << 0)) << 16;
-#else
- if (100000000 == gd->bus_clk)
- reg32 = 0x71737173;
- else
- reg32 = 0x69736973;
-#endif
- pci_write_cfg_long (0, 0, DIMM0_TCR0, reg32);
- debug ("DIMM0_TCR0 = 0x%08x\n", reg32);
-
- /* Write default in DIMM2/3 (not used on A1) */
- pci_write_cfg_long (0, 0, DIMM2_TCR0, 0x7d737d73);
-
-
- /* Determine buffered/unbuffered mode for each SIMM. Uses first bank as reference (second, if present, uses the same) */
- reg32 = pci_read_cfg_long (0, 0, DRAM_GCR0);
- reg32 &= 0xFF00FFFF;
-
-#if 0
- if (banks[0].used && banks[0].registered)
- reg32 |= 0x1 << 16;
-
- if (banks[2].used && banks[2].registered)
- reg32 |= 0x1 << 18;
-#else
- if (banks[0].registered || banks[2].registered)
- reg32 |= 0x55 << 16;
-#endif
- pci_write_cfg_long (0, 0, DRAM_GCR0, reg32);
- debug ("DRAM_GCR0 = 0x%08x\n", reg32);
-
- /* Determine refresh */
- refresh_clocks = 0xffffffff;
- auto_refresh = 1;
-
- for (i = 0; i < 4; i++) {
- if (banks[i].used) {
- if (banks[i].auto_refresh == 0)
- auto_refresh = 0;
- if (banks[i].refresh_time < refresh_clocks)
- refresh_clocks = banks[i].refresh_time;
- }
- }
-
-
-#if 1
- /* It seems this is suggested by the ArticiaS data book */
- if (100000000 == gd->bus_clk)
- refresh_clocks = 1561;
- else
- refresh_clocks = 2083;
-#endif
-
-
- debug ("Refresh set to %ld clocks, auto refresh %s\n",
- refresh_clocks, auto_refresh ? "on" : "off");
-
- pci_write_cfg_long (0, 0, DRAM_REFRESH0,
- (1 << 16) | (1 << 15) | (auto_refresh << 12) |
- (refresh_clocks));
- debug ("DRAM_REFRESH0 = 0x%08x\n",
- (1 << 16) | (1 << 15) | (auto_refresh << 12) |
- (refresh_clocks));
-
-/* pci_write_cfg_long(0, 0, DRAM_REFRESH0, 0x00019400); */
-
- /* Set mode registers */
- /* FIXME: For now, set same burst len for all modules. Dunno if that's necessary */
- /* Find a common burst len */
- burst_support = 0xff;
-
- if (banks[0].used)
- burst_support = banks[0].burst_len;
- if (banks[1].used)
- burst_support = banks[1].burst_len;
- if (banks[2].used)
- burst_support = banks[2].burst_len;
- if (banks[3].used)
- burst_support = banks[3].burst_len;
-
- /*
- ** Mode register:
- ** Bits Use
- ** 0-2 Burst len
- ** 3 Burst type (0 = sequential, 1 = interleave)
- ** 4-6 CAS latency
- ** 7-8 Operation mode (0 = default, all others invalid)
- ** 9 Write burst
- ** 10-11 Reserved
- **
- ** Mode register burst table:
- ** A2 A1 A0 lenght
- ** 0 0 0 1
- ** 0 0 1 2
- ** 0 1 0 4
- ** 0 1 1 8
- ** 1 0 0 invalid
- ** 1 0 1 invalid
- ** 1 1 0 invalid
- ** 1 1 1 page (only valid for non-interleaved)
- */
-
- burst_len = burst_to_len (burst_support);
- burst_len = 2; /* FIXME */
-
- if (banks[0].used) {
- pci_write_cfg_word (0, 0, DRAM_PCR0,
- 0x8000 | burst_len | (banks[0].cas_used << 4));
- debug ("Mode bank 0: 0x%08x\n",
- 0x8000 | burst_len | (banks[0].cas_used << 4));
- } else {
- /* Seems to be needed to disable the bank */
- pci_write_cfg_word (0, 0, DRAM_PCR0, 0x0000 | 0x032);
- }
-
- if (banks[1].used) {
- pci_write_cfg_word (0, 0, DRAM_PCR0,
- 0x9000 | burst_len | (banks[1].cas_used << 4));
- debug ("Mode bank 1: 0x%08x\n",
- 0x8000 | burst_len | (banks[1].cas_used << 4));
- } else {
- /* Seems to be needed to disable the bank */
- pci_write_cfg_word (0, 0, DRAM_PCR0, 0x1000 | 0x032);
- }
-
-
- if (banks[2].used) {
- pci_write_cfg_word (0, 0, DRAM_PCR0,
- 0xa000 | burst_len | (banks[2].cas_used << 4));
- debug ("Mode bank 2: 0x%08x\n",
- 0x8000 | burst_len | (banks[2].cas_used << 4));
- } else {
- /* Seems to be needed to disable the bank */
- pci_write_cfg_word (0, 0, DRAM_PCR0, 0x2000 | 0x032);
- }
-
-
- if (banks[3].used) {
- pci_write_cfg_word (0, 0, DRAM_PCR0,
- 0xb000 | burst_len | (banks[3].cas_used << 4));
- debug ("Mode bank 3: 0x%08x\n",
- 0x8000 | burst_len | (banks[3].cas_used << 4));
- } else {
- /* Seems to be needed to disable the bank */
- pci_write_cfg_word (0, 0, DRAM_PCR0, 0x3000 | 0x032);
- }
-
-
- pci_write_cfg_word (0, 0, 0xba, 0x00);
-
- return total_ram;
-}
-
-extern int drv_isa_kbd_init (void);
-
-int last_stage_init (void)
-{
- drv_isa_kbd_init ();
- return 0;
-}
-
-int overwrite_console (void)
-{
- return (0);
-}
-
-#define in_8 read_byte
-#define out_8 write_byte
-
-static __inline__ unsigned long get_msr (void)
-{
- unsigned long msr;
-
- asm volatile ("mfmsr %0":"=r" (msr):);
-
- return msr;
-}
-
-static __inline__ void set_msr (unsigned long msr)
-{
- asm volatile ("mtmsr %0"::"r" (msr));
-}
-
-int board_early_init_f (void)
-{
- unsigned char c_value = 0;
- unsigned long msr;
-
- /* Basic init of PS/2 keyboard (needed for some reason)... */
- /* Ripped from John's code */
- while ((in_8 ((unsigned char *) 0xfe000064) & 0x02) != 0);
- out_8 ((unsigned char *) 0xfe000064, 0xaa);
- while ((in_8 ((unsigned char *) 0xfe000064) & 0x01) == 0);
- c_value = in_8 ((unsigned char *) 0xfe000060);
- while ((in_8 ((unsigned char *) 0xfe000064) & 0x02) != 0);
- out_8 ((unsigned char *) 0xfe000064, 0xab);
- while ((in_8 ((unsigned char *) 0xfe000064) & 0x01) == 0);
- c_value = in_8 ((unsigned char *) 0xfe000060);
- while ((in_8 ((unsigned char *) 0xfe000064) & 0x02) != 0);
- out_8 ((unsigned char *) 0xfe000064, 0xae);
-/* while ((in_8((unsigned char *)0xfe000064) & 0x01) == 0); */
-/* c_value = in_8((unsigned char *)0xfe000060); */
-
- /* Enable FPU */
- msr = get_msr ();
- set_msr (msr | MSR_FP);
-
- via_calibrate_bus_freq ();
-
- return 0;
-}