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-rw-r--r--src/northbridge/amd/gx1/Kconfig22
-rw-r--r--src/northbridge/amd/gx1/Makefile.inc21
-rw-r--r--src/northbridge/amd/gx1/northbridge.c162
-rw-r--r--src/northbridge/amd/gx1/raminit.c354
-rw-r--r--src/northbridge/amd/gx1/raminit.h11
5 files changed, 0 insertions, 570 deletions
diff --git a/src/northbridge/amd/gx1/Kconfig b/src/northbridge/amd/gx1/Kconfig
deleted file mode 100644
index 4d576132f4..0000000000
--- a/src/northbridge/amd/gx1/Kconfig
+++ /dev/null
@@ -1,22 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
-##
-## 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; version 2 of the License.
-##
-## 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
-##
-
-config NORTHBRIDGE_AMD_GX1
- bool
-
diff --git a/src/northbridge/amd/gx1/Makefile.inc b/src/northbridge/amd/gx1/Makefile.inc
deleted file mode 100644
index a67331f75b..0000000000
--- a/src/northbridge/amd/gx1/Makefile.inc
+++ /dev/null
@@ -1,21 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
-##
-## 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
-##
-
-ramstage-y += northbridge.c
diff --git a/src/northbridge/amd/gx1/northbridge.c b/src/northbridge/amd/gx1/northbridge.c
deleted file mode 100644
index bcb6e56198..0000000000
--- a/src/northbridge/amd/gx1/northbridge.c
+++ /dev/null
@@ -1,162 +0,0 @@
-#include <console/console.h>
-#include <arch/io.h>
-#include <stdint.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <stdlib.h>
-#include <string.h>
-#include <cpu/amd/gx1def.h>
-#include <cpu/x86/cache.h>
-#include <cpu/cpu.h>
-
-#define NORTHBRIDGE_FILE "northbridge.c"
-/*
-*/
-
-static void optimize_xbus(device_t dev)
-{
- /* Optimise X-Bus performance */
- pci_write_config8(dev, 0x40, 0x1e);
- pci_write_config8(dev, 0x41, 0x52);
- pci_write_config8(dev, 0x43, 0xc1);
- pci_write_config8(dev, 0x44, 0x00);
-}
-
-/**
- * Enables memory from 0xC0000 up to 0xFFFFF.
- * So this region is read/write and cache able
- *
- * FIXME: What about PCI master access into
- * this region?
- **/
-
-static void enable_shadow(device_t dev)
-{
- write32(GX_BASE+BC_XMAP_2, 0x77777777);
- write32(GX_BASE+BC_XMAP_3, 0x77777777);
-}
-
-static void northbridge_init(device_t dev)
-{
- printk(BIOS_DEBUG, "northbridge: %s()\n", __func__);
-
- optimize_xbus(dev);
- enable_shadow(dev);
- printk(BIOS_SPEW, "Calling enable_cache()\n");
- enable_cache();
-}
-
-
-static struct device_operations northbridge_operations = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = northbridge_init,
- .enable = 0,
- .ops_pci = 0,
-};
-
-static const struct pci_driver northbridge_driver __pci_driver = {
- .ops = &northbridge_operations,
- .vendor = PCI_VENDOR_ID_CYRIX,
- .device = PCI_DEVICE_ID_CYRIX_PCI_MASTER,
-};
-
-#include <cbmem.h>
-
-static void pci_domain_set_resources(device_t dev)
-{
- device_t mc_dev;
- uint32_t pci_tolm;
-
- pci_tolm = find_pci_tolm(dev->link_list);
- mc_dev = dev->link_list->children;
- if (mc_dev) {
- unsigned int tomk, tolmk;
- unsigned int ramreg = 0;
- int i, idx;
- unsigned int *bcdramtop = (unsigned int *)(GX_BASE + BC_DRAM_TOP);
- unsigned int *mcgbaseadd = (unsigned int *)(GX_BASE + MC_GBASE_ADD);
-
- for(i=0; i<0x20; i+= 0x10) {
- unsigned int *mcreg = (unsigned int *)(GX_BASE + MC_BANK_CFG);
- unsigned int mem_config = *mcreg;
-
- if (((mem_config & (DIMM_PG_SZ << i)) >> (4 + i)) == 7)
- continue;
- ramreg += 1 << (((mem_config & (DIMM_SZ << i)) >> (i + 8)) + 2);
- }
-
- tomk = ramreg << 10;
-
- /* Sort out the framebuffer size */
- tomk -= CONFIG_VIDEO_MB * 1024;
- *bcdramtop = ((tomk << 10) - 1);
- *mcgbaseadd = (tomk >> 9);
-
- printk(BIOS_DEBUG, "BC_DRAM_TOP = 0x%08x\n", *bcdramtop);
- printk(BIOS_DEBUG, "MC_GBASE_ADD = 0x%08x\n", *mcgbaseadd);
-
- printk(BIOS_DEBUG, "I would set ram size to %d Mbytes\n", (tomk >> 10));
-
- /* Compute the top of Low memory */
- tolmk = pci_tolm >> 10;
- if (tolmk >= tomk) {
- /* The PCI hole does does not overlap the memory.
- */
- tolmk = tomk;
- }
-
- set_top_of_ram(tolmk * 1024);
-
- /* Report the memory regions */
- idx = 10;
- ram_resource(dev, idx++, 0, tolmk);
- }
- assign_resources(dev->link_list);
-}
-
-static struct device_operations pci_domain_ops = {
- .read_resources = pci_domain_read_resources,
- .set_resources = pci_domain_set_resources,
- .enable_resources = NULL,
- .init = NULL,
- .scan_bus = pci_domain_scan_bus,
- .ops_pci_bus = pci_bus_default_ops,
-};
-
-static void cpu_bus_init(device_t dev)
-{
- printk(BIOS_SPEW, "%s:%s()\n", NORTHBRIDGE_FILE, __func__);
- initialize_cpus(dev->link_list);
-}
-
-static struct device_operations cpu_bus_ops = {
- .read_resources = DEVICE_NOOP,
- .set_resources = DEVICE_NOOP,
- .enable_resources = DEVICE_NOOP,
- .init = cpu_bus_init,
- .scan_bus = 0,
-};
-
-static void enable_dev(struct device *dev)
-{
- printk(BIOS_SPEW, "%s:%s()\n", NORTHBRIDGE_FILE, __func__);
- /* Set the operations if it is a special bus type */
- if (dev->path.type == DEVICE_PATH_DOMAIN) {
- printk(BIOS_SPEW, "DEVICE_PATH_DOMAIN\n");
- dev->ops = &pci_domain_ops;
- }
- else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
- printk(BIOS_SPEW, "DEVICE_PATH_CPU_CLUSTER\n");
- dev->ops = &cpu_bus_ops;
- } else {
- printk(BIOS_SPEW, "device path type %d\n",dev->path.type);
- }
-}
-
-struct chip_operations northbridge_amd_gx1_ops = {
- CHIP_NAME("AMD GX1 Northbridge")
- .enable_dev = enable_dev,
-};
diff --git a/src/northbridge/amd/gx1/raminit.c b/src/northbridge/amd/gx1/raminit.c
deleted file mode 100644
index aa07f49e81..0000000000
--- a/src/northbridge/amd/gx1/raminit.c
+++ /dev/null
@@ -1,354 +0,0 @@
-#include <cpu/amd/gx1def.h>
-
-/*
-This software and ancillary information (herein called SOFTWARE )
-called LinuxBIOS is made available under the terms described
-here. The SOFTWARE has been approved for release with associated
-LA-CC Number 00-34 . Unless otherwise indicated, this SOFTWARE has
-been authored by an employee or employees of the University of
-California, operator of the Los Alamos National Laboratory under
-Contract No. W-7405-ENG-36 with the U.S. Department of Energy. The
-U.S. Government has rights to use, reproduce, and distribute this
-SOFTWARE. The public may copy, distribute, prepare derivative works
-and publicly display this SOFTWARE without charge, provided that this
-Notice and any statement of authorship are reproduced on all copies.
-Neither the Government nor the University makes any warranty, express
-or implied, or assumes any liability or responsibility for the use of
-this SOFTWARE. If SOFTWARE is modified to produce derivative works,
-such modified SOFTWARE should be clearly marked, so as not to confuse
-it with the version available from LANL.
- */
-/* Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL
- * rminnich@lanl.gov
- */
-
-/* SDRAM initialization for GX1 - translated from Christer Weinigel's
- assembler version into C.
-
- Hamish Guthrie 10/4/2005 hamish@prodigi.ch
-*/
-
-#define NUM_REFRESH 8
-#define TEST_DATA1 0x05A5A5A5A
-#define TEST_DATA2 0x0DEADBEEF
-
-void setGX1Mem(unsigned int addr, unsigned int data)
-{
- write32(addr, data);
-}
-
-unsigned int getGX1Mem(unsigned int addr)
-{
- return (unsigned int)read32(addr);
-}
-
-void do_refresh(void)
-{
-unsigned int tval, i;
-
- post_code(0x71);
- tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL1);
- tval |= RFSHTST;
- for(i=0; i>NUM_REFRESH; i++)
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
- post_code(0x72);
-}
-
-
-void enable_dimm(void)
-{
-unsigned int tval, i;
-
- post_code(0x73);
-
- /* start SDCLCK's */
- tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL1);
- tval &= ~SDCLKSTRT;
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
- tval |= SDCLKSTRT;
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
-
- /* Unmask SDCLK's */
- tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL2);
- tval &= ~(SDCLK_MASK | SDCLKOUT_MASK);
- setGX1Mem(GX_BASE + MC_MEM_CNTRL2, tval);
- tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL2);
-
- /* Wait for clocks to unmask */
- for(i=0; i<5000; i++)
- outb(0, 0xed);
-
- /* Refresh memory */
- tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL1);
- tval |= RFSHTST;
- for(i=0; i<NUM_REFRESH; i++)
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
- tval &= ~RFSHTST;
-
- /* Start the SDCLK's */
- tval &= ~PROGRAM_SDRAM;
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
- tval |= PROGRAM_SDRAM | 0x00002000; /* Set refresh timing */
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
- tval &= ~PROGRAM_SDRAM;
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
-
- /* Refresh memory again */
- tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL1);
- tval |= RFSHTST;
- for(i=0; i>NUM_REFRESH; i++)
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval);
-
- for(i=0; i<2000; i++)
- outb(0, 0xed);
- post_code(0x74);
-}
-
-static unsigned int size_dimm(int dimm_shift)
-{
-int bank_cfg = 0x700; /* MC_BANK_CFG for 512M */
-unsigned int offset = 0x10000000; /* Offset 256M */
-int failed_flag = 1;
-
- do {
- setGX1Mem(0, TEST_DATA1);
- setGX1Mem(offset, TEST_DATA2);
- setGX1Mem(0x100, 0); /* Clear the bus */
- if (getGX1Mem(0) != TEST_DATA1) {
- setGX1Mem(GX_BASE + MC_BANK_CFG,
- getGX1Mem(GX_BASE + MC_BANK_CFG) & ~(DIMM_SZ << dimm_shift));
- bank_cfg -= 0x100;
- setGX1Mem(GX_BASE + MC_BANK_CFG,
- getGX1Mem(GX_BASE + MC_BANK_CFG) | (bank_cfg << dimm_shift));
- do_refresh();
- offset >>= 1;
- } else {
- failed_flag = 0;
- break;
- }
- } while (bank_cfg >= 0);
-
- if (failed_flag)
- return (0x0070 << dimm_shift);
- else
- return(getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_SZ << dimm_shift));
-
-}
-
-static unsigned int module_banks(int dimm_shift)
-{
-int page_size = 0x800; /* Smallest page = 1K * 2 banks */
-int comp_banks;
-
-#if 0
- print_debug("MC_BANK_CFG = ");
- print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG));
- print_debug("\n");
-#endif
-
- /* retrieve the page size from the MC register */
- page_size <<= (((getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_PG_SZ << dimm_shift)) >> dimm_shift) >> 4);
-
-#if 0
- print_debug(" page_size = ");
- print_debug_hex32(page_size);
- print_debug("\n");
-#endif
-
- comp_banks = (((getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_COMP_BNK << dimm_shift)) >> dimm_shift) >> 12);
- page_size <<= comp_banks;
-
- setGX1Mem(0, TEST_DATA1);
- setGX1Mem(page_size, TEST_DATA2);
- setGX1Mem(0x100, 0); /* Clear the bus */
- if (getGX1Mem(page_size) != TEST_DATA2) {
- setGX1Mem(GX_BASE + MC_BANK_CFG,
- getGX1Mem(GX_BASE + MC_BANK_CFG) & ~(DIMM_MOD_BNK << dimm_shift));
- do_refresh();
- }
-#if 0
- print_debug("MC_BANK_CFG = ");
- print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG));
- print_debug("\n");
-#endif
- return(getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_MOD_BNK << dimm_shift));
-}
-
-static unsigned int component_banks(int dimm_shift)
-{
-int page_size = 0x800; /* Smallest page = 1K * 2 banks */
-
-#if 0
- print_debug("MC_BANK_CFG = ");
- print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG));
- print_debug("\n");
-#endif
-
- page_size = page_size << (((getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_PG_SZ << dimm_shift)) >> dimm_shift) >> 4);
-
-#if 0
- print_debug(" page_size = ");
- print_debug_hex32(page_size);
- print_debug("\n");
-#endif
-
- setGX1Mem(0, TEST_DATA1);
- setGX1Mem(page_size, TEST_DATA2);
- setGX1Mem(0x100, 0); /* Clear the bus */
- if (getGX1Mem(0) != TEST_DATA1) {
- setGX1Mem(GX_BASE + MC_BANK_CFG,
- getGX1Mem(GX_BASE + MC_BANK_CFG) & ~(DIMM_COMP_BNK << dimm_shift));
- do_refresh();
- }
-#if 0
- print_debug("MC_BANK_CFG = ");
- print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG));
- print_debug("\n");
-#endif
- return(getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_COMP_BNK << dimm_shift));
-}
-
-static unsigned int page_size(int dimm_shift)
-{
-unsigned int page_test_offset = 0x2000;
-unsigned int temp;
-int page_size_config = 0x40;
-unsigned int probe_config;
-
- do {
- setGX1Mem(0, TEST_DATA1);
- setGX1Mem(page_test_offset, TEST_DATA2);
- setGX1Mem(0x100, 0);
- temp = getGX1Mem(0);
- setGX1Mem(0, 0);
- if(temp == TEST_DATA1) {
-#if 0
- print_debug(" Page size Config = ");
- print_debug_hex32(page_size_config << dimm_shift);
- print_debug("\n");
-#endif
- return(page_size_config << dimm_shift);
- }
-
- temp = ~(DIMM_PG_SZ << dimm_shift);
-
- probe_config = getGX1Mem(GX_BASE + MC_BANK_CFG);
- probe_config &= temp;
-
- page_size_config -= 0x10;
- page_size_config <<= dimm_shift;
-
- probe_config |= page_size_config;
-
- page_size_config >>= dimm_shift;
-
- page_test_offset >>= 1;
-
- setGX1Mem(GX_BASE + MC_BANK_CFG, probe_config);
- do_refresh();
- } while (page_size_config >= 0);
-
- return 0x70;
-}
-
-static int dimm_detect(int dimm_shift)
-{
-unsigned int test;
-
- print_debug("Probing for DIMM");
- print_debug_char((dimm_shift >> 4) + 0x30);
- print_debug("\n");
-
- setGX1Mem(0, TEST_DATA1);
- setGX1Mem(0x100, 0);
- test = getGX1Mem(0);
- setGX1Mem(0, 0);
-
- if (test != TEST_DATA1)
- return 0;
-
- print_debug(" Found DIMM");
- print_debug_char((dimm_shift >> 4) + 0x30);
- print_debug("\n");
-
- return 1;
-}
-
-static int size_memory(int dimm_shift, unsigned int mem_config)
-{
-
- if (!dimm_detect(dimm_shift))
- return (mem_config);
-
- mem_config &= (~(DIMM_PG_SZ << dimm_shift));
- mem_config |= (page_size(dimm_shift));
-
- print_debug(" Page Size: ");
- print_debug_hex32(0x400 << ((mem_config & (DIMM_PG_SZ << dimm_shift)) >> (dimm_shift + 4)));
- print_debug("\n");
-
- /* Now do component banks detection */
-
- mem_config &= (~(DIMM_COMP_BNK << dimm_shift));
- mem_config |= (component_banks(dimm_shift));
-
- print_debug(" Component Banks: ");
- print_debug_char((((mem_config & (DIMM_COMP_BNK << dimm_shift)) >> (dimm_shift + 12)) ? 4 : 2) + 0x30);
- print_debug("\n");
-
- /* Now do module banks */
-
- mem_config &= (~(DIMM_MOD_BNK << dimm_shift));
- mem_config |= (module_banks(dimm_shift));
-
- print_debug(" Module Banks: ");
- print_debug_char((((mem_config & (DIMM_MOD_BNK << dimm_shift)) >> (dimm_shift + 14)) ? 2 : 1) + 0x30);
- print_debug("\n");
-
- mem_config &= (~(DIMM_SZ << dimm_shift));
- mem_config |= (size_dimm(dimm_shift));
-
- print_debug(" DIMM size: ");
- print_debug_hex32(1 <<
- ((mem_config & (DIMM_SZ << dimm_shift)) >> (dimm_shift + 8)) + 22);
- print_debug("\n");
-
- return (mem_config);
-}
-
-static void sdram_init(void)
-{
-unsigned int mem_config = 0x00700070;
-
- print_debug("Setting up default parameters for memory\n");
- post_code(0x70);
-
- setGX1Mem(GX_BASE + MC_MEM_CNTRL2, 0x000007d8); /* Disable all CLKS, Shift = 3 */
- setGX1Mem(GX_BASE + MC_MEM_CNTRL1, 0x92140000); /* MD_DS=2, MA_DS=2, CNTL_DS=2 SDCLKRATE=4 */
- setGX1Mem(GX_BASE + MC_BANK_CFG, 0x00700070); /* No DIMMS installed */
- setGX1Mem(GX_BASE + MC_SYNC_TIM1, 0x3a733225); /* LTMODE=3, RC=10, RAS=7, RP=3, RCD=3, RRD=2, DPL=2 */
- setGX1Mem(GX_BASE + MC_BANK_CFG, 0x57405740); /* Largest DIMM size
- 0x4000 -- 2 module banks
- 0x1000 -- 4 component banks
- 0x0700 -- DIMM size 512MB
- 0x0040 -- Page Size 16kB */
-
- enable_dimm();
-
- print_debug("Sizing memory\n");
-
- setGX1Mem(GX_BASE + MC_BANK_CFG, 0x00705740);
- do_refresh();
- mem_config = size_memory(0, mem_config);
- setGX1Mem(GX_BASE + MC_BANK_CFG, 0x57400070);
- do_refresh();
- mem_config = size_memory(16, mem_config);
-
- print_debug("MC_BANK_CFG = ");
- print_debug_hex32(mem_config);
- print_debug("\n");
-
- setGX1Mem(GX_BASE + MC_BANK_CFG, mem_config);
- enable_dimm();
- post_code(0x7e);
-}
diff --git a/src/northbridge/amd/gx1/raminit.h b/src/northbridge/amd/gx1/raminit.h
deleted file mode 100644
index 6e40683066..0000000000
--- a/src/northbridge/amd/gx1/raminit.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef RAMINIT_H
-#define RAMINIT_H
-
-#define DIMM_SOCKETS 4
-struct mem_controller {
- device_t d0;
- uint16_t channel0[DIMM_SOCKETS];
-};
-
-
-#endif /* RAMINIT_H */