* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008 Carl-Daniel Hailfinger
*
* 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
u32 eax, ebx, ecx, edx;
__asm__ volatile ("cpuid":"=a" (eax), "=b"(ebx), "=c"(ecx), "=d"(edx)
:"0"(1));
- printk_info("get_cpu_rev EAX=0x%x.\n", eax);
+ printk(BIOS_INFO, "get_cpu_rev EAX=0x%x.\n", eax);
if (eax <= 0xfff)
- printk_info("CPU Rev is K8_Cx.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_Cx.\n");
else if (eax <= 0x10fff)
- printk_info("CPU Rev is K8_Dx.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_Dx.\n");
else if (eax <= 0x20fff)
- printk_info("CPU Rev is K8_Ex.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_Ex.\n");
else if (eax <= 0x40fff)
- printk_info("CPU Rev is K8_Fx.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_Fx.\n");
else if (eax == 0x60fb1 || eax == 0x60f81) /*These two IDS are exception, they are G1. */
- printk_info("CPU Rev is K8_G1.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
else if (eax <= 0X60FF0)
- printk_info("CPU Rev is K8_G0.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_G0.\n");
else if (eax <= 0x100000)
- printk_info("CPU Rev is K8_G1.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
else
- printk_info("CPU Rev is K8_10.\n");
+ printk(BIOS_INFO, "CPU Rev is K8_10.\n");
}
static u8 get_nb_rev(device_t nb_dev)
/*
* About HT, it has been done in enumerate_ht_chain().
*/
- device_t k8_f0;
+ device_t k8_f0, rs690_f0;
u32 reg;
+ u8 reg8;
u8 k8_ht_freq;
k8_f0 = PCI_DEV(0, 0x18, 0);
************************/
reg = pci_read_config32(k8_f0, 0x88);
k8_ht_freq = (reg & 0xf00) >> 8;
- printk_info("rs690_ht_init k8_ht_freq=%x.\n", k8_ht_freq);
+ printk(BIOS_SPEW, "rs690_htinit k8_ht_freq=%x.\n", k8_ht_freq);
+ rs690_f0 = PCI_DEV(0, 0, 0);
+ reg8 = pci_read_config8(rs690_f0, 0x9c);
+ printk(BIOS_SPEW, "rs690_htinit NB_CFG_Q_F1000_800=%x\n", reg8);
+ /* For 1000 MHz HT, NB_CFG_Q_F1000_800 bit 0 MUST be set.
+ * For any other HT frequency, NB_CFG_Q_F1000_800 bit 0 MUST NOT be set.
+ */
+ if (((k8_ht_freq == 0x6) || (k8_ht_freq == 0xf)) && (!(reg8 & 0x1))) {
+ printk(BIOS_INFO, "rs690_htinit setting bit 0 in NB_CFG_Q_F1000_800 to use 1 GHz HT\n");
+ reg8 |= 0x1;
+ pci_write_config8(rs690_f0, 0x9c, reg8);
+ } else if ((k8_ht_freq != 0x6) && (k8_ht_freq != 0xf) && (reg8 & 0x1)) {
+ printk(BIOS_INFO, "rs690_htinit clearing bit 0 in NB_CFG_Q_F1000_800 to not use 1 GHz HT\n");
+ reg8 &= ~0x1;
+ pci_write_config8(rs690_f0, 0x9c, reg8);
+ }
}
/*******************************************************
device_t k8_f0, k8_f2, k8_f3;
msr_t msr;
- printk_info("k8_optimization()\n");
+ printk(BIOS_INFO, "k8_optimization()\n");
k8_f0 = PCI_DEV(0, 0x18, 0);
k8_f2 = PCI_DEV(0, 0x18, 2);
k8_f3 = PCI_DEV(0, 0x18, 3);
*****************************************/
static void rs690_por_init(device_t nb_dev)
{
- printk_info("rs690_por_init\n");
+ printk(BIOS_INFO, "rs690_por_init\n");
/* ATINB_PCICFG_POR_TABLE, initialize the values for rs690 PCI Config registers */
rs690_por_pcicfg_init(nb_dev);
static void rs690_early_setup()
{
device_t nb_dev = PCI_DEV(0, 0, 0);
- printk_info("rs690_early_setup()\n");
+ printk(BIOS_INFO, "rs690_early_setup()\n");
/*ATINB_PrepareInit */
get_cpu_rev();
switch (get_nb_rev(nb_dev)) { /* PCIEMiscInit */
case 5:
- printk_info("NB Revision is A11.\n");
+ printk(BIOS_INFO, "NB Revision is A11.\n");
break;
case 6:
- printk_info("NB Revision is A12.\n");
+ printk(BIOS_INFO, "NB Revision is A12.\n");
break;
case 7:
- printk_info("NB Revision is A21.\n");
+ printk(BIOS_INFO, "NB Revision is A21.\n");
break;
}
- rs690_htinit();
k8_optimization();
rs690_por_init(nb_dev);
}