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Diffstat (limited to 'src/northbridge/amd/lx/pll_reset.c')
-rw-r--r--src/northbridge/amd/lx/pll_reset.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/src/northbridge/amd/lx/pll_reset.c b/src/northbridge/amd/lx/pll_reset.c
deleted file mode 100644
index cb332ead12..0000000000
--- a/src/northbridge/amd/lx/pll_reset.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007 Advanced Micro Devices, 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.
- */
-
-#include <console/console.h>
-#include <cpu/x86/msr.h>
-#include <cpu/amd/lxdef.h>
-#include "northbridge.h"
-
-void lx_pll_reset(void)
-{
- msr_t msrGlcpSysRstpll;
-
- msrGlcpSysRstpll = rdmsr(GLCP_SYS_RSTPLL);
-
- printk(BIOS_DEBUG, "MSR GLCP_SYS_RSTPLL (%08x) value is %08x:%08x\n",
- GLCP_SYS_RSTPLL, msrGlcpSysRstpll.hi, msrGlcpSysRstpll.lo);
-
- post_code(POST_PLL_INIT);
-
- if (!(msrGlcpSysRstpll.lo & (1 << RSTPLL_LOWER_SWFLAGS_SHIFT))) {
- printk(BIOS_DEBUG, "Configuring PLL.\n");
- if (CONFIG_PLL_MANUAL_CONFIG) {
- post_code(POST_PLL_MANUAL);
- /* CPU and GLIU mult/div (GLMC_CLK = GLIU_CLK / 2) */
- msrGlcpSysRstpll.hi = CONFIG_PLLMSRhi;
-
- /* Hold Count - how long we will sit in reset */
- msrGlcpSysRstpll.lo = CONFIG_PLLMSRlo;
- } else {
- /*automatic configuration (straps) */
- post_code(POST_PLL_STRAP);
- msrGlcpSysRstpll.lo &=
- ~(0xFF << RSTPPL_LOWER_HOLD_COUNT_SHIFT);
- msrGlcpSysRstpll.lo |=
- (0xDE << RSTPPL_LOWER_HOLD_COUNT_SHIFT);
- msrGlcpSysRstpll.lo &=
- ~(RSTPPL_LOWER_COREBYPASS_SET |
- RSTPPL_LOWER_MBBYPASS_SET);
- msrGlcpSysRstpll.lo |=
- RSTPPL_LOWER_COREPD_SET | RSTPPL_LOWER_CLPD_SET;
- }
- /* Use SWFLAGS to remember: "we've already been here" */
- msrGlcpSysRstpll.lo |= (1 << RSTPLL_LOWER_SWFLAGS_SHIFT);
-
- /* "reset the chip" value */
- msrGlcpSysRstpll.lo |= RSTPPL_LOWER_CHIP_RESET_SET;
- wrmsr(GLCP_SYS_RSTPLL, msrGlcpSysRstpll);
-
- /* You should never get here..... The chip has reset. */
- post_code(POST_PLL_RESET_FAIL);
- die("CONFIGURING PLL FAILURE\n");
-
- }
- printk(BIOS_DEBUG, "PLL configured.\n");
- return;
-}
-
-unsigned int GeodeLinkSpeed(void)
-{
- unsigned int speed;
- msr_t msr;
-
- msr = rdmsr(GLCP_SYS_RSTPLL);
- speed = ((((msr.hi >> RSTPLL_UPPER_GLMULT_SHIFT) & 0x1F) + 1) * 333) / 10;
- if ((((((msr.hi >> RSTPLL_UPPER_GLMULT_SHIFT) & 0x1F) + 1) * 333) % 10) > 5) {
- ++speed;
- }
- return (speed);
-}