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Diffstat (limited to 'src/mainboard/agami/aruma/mainboard.c')
-rw-r--r--src/mainboard/agami/aruma/mainboard.c330
1 files changed, 0 insertions, 330 deletions
diff --git a/src/mainboard/agami/aruma/mainboard.c b/src/mainboard/agami/aruma/mainboard.c
deleted file mode 100644
index 3bc65b39c6..0000000000
--- a/src/mainboard/agami/aruma/mainboard.c
+++ /dev/null
@@ -1,330 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <cpu/x86/msr.h>
-#include <part/hard_reset.h>
-#include <device/smbus.h>
-#include <delay.h>
-
-#include <arch/io.h>
-#include "../../../northbridge/amd/amdk8/northbridge.h"
-#include <cpu/amd/model_fxx_rev.h>
-#include "chip.h"
-
-#include "pc80/mc146818rtc.h"
-
-
-#undef DEBUG
-#define DEBUG 0
-#if DEBUG
-static void debug_init(device_t dev)
-{
- unsigned bus;
- unsigned devfn;
-#if 0
- for(bus = 0; bus < 256; bus++) {
- for(devfn = 0; devfn < 256; devfn++) {
- int i;
- dev = dev_find_slot(bus, devfn);
- if (!dev) {
- continue;
- }
- if (!dev->enabled) {
- continue;
- }
- printk_info("%02x:%02x.%0x aka %s\n",
- bus, devfn >> 3, devfn & 7, dev_path(dev));
- for(i = 0; i < 256; i++) {
- if ((i & 0x0f) == 0) {
- printk_info("%02x:", i);
- }
- printk_info(" %02x", pci_read_config8(dev, i));
- if ((i & 0x0f) == 0xf) {
- printk_info("\n");
- }
- }
- printk_info("\n");
- }
- }
-#endif
-#if 0
- msr_t msr;
- unsigned index;
- unsigned eax, ebx, ecx, edx;
- index = 0x80000007;
- printk_debug("calling cpuid 0x%08x\n", index);
- asm volatile(
- "cpuid"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (index)
- );
- printk_debug("cpuid[%08x]: %08x %08x %08x %08x\n",
- index, eax, ebx, ecx, edx);
- if (edx & (3 << 1)) {
- index = 0xC0010042;
- printk_debug("Reading msr: 0x%08x\n", index);
- msr = rdmsr(index);
- printk_debug("msr[0x%08x]: 0x%08x%08x\n",
- index, msr.hi, msr.hi);
- }
-#endif
-}
-
-static void debug_noop(device_t dummy)
-{
-}
-
-static struct device_operations debug_operations = {
- .read_resources = debug_noop,
- .set_resources = debug_noop,
- .enable_resources = debug_noop,
- .init = debug_init,
-};
-
-static unsigned int scan_root_bus(device_t root, unsigned int max)
-{
- struct device_path path;
- device_t debug;
- max = root_dev_scan_bus(root, max);
- path.type = DEVICE_PATH_PNP;
- path.u.pnp.port = 0;
- path.u.pnp.device = 0;
- debug = alloc_dev(&root->link[1], &path);
- debug->ops = &debug_operations;
- return max;
-}
-#endif
-
-#if 1
-static void handle_smbus_error(int value, const char *msg)
-{
- if (value >= 0) {
- return;
- }
- switch(value) {
- case SMBUS_WAIT_UNTIL_READY_TIMEOUT:
- printk_emerg("SMBUS wait until ready timed out - resetting...");
- hard_reset();
- break;
- case SMBUS_WAIT_UNTIL_DONE_TIMEOUT:
- printk_emerg("SMBUS wait until done timed out - resetting...");
- hard_reset();
- break;
- default:
- die(msg);
- break;
- }
-}
-
-#define ADM1026_DEVICE 0x2d /* Either 0x2c, 0x2d or 0x2e. */
-#define ADM1026_REG_CONFIG1 0x00
-#define CFG1_MONITOR 0x01
-#define CFG1_INT_ENABLE 0x02
-#define CFG1_INT_CLEAR 0x04
-#define CFG1_AIN8_9 0x08
-#define CFG1_THERM_HOT 0x10
-#define CFT1_DAC_AFC 0x20
-#define CFG1_PWM_AFC 0x40
-#define CFG1_RESET 0x80
-#define ADM1026_REG_CONFIG2 0x01
-#define ADM1026_REG_CONFIG3 0x07
-
-
-
-#define BILLION 1000000000UL
-
-static void verify_cpu_voltage(const char *name,
- device_t dev, unsigned int reg,
- unsigned factor, unsigned cpu_volts, unsigned delta)
-{
- unsigned nvolts_lo, nvolts_hi;
- unsigned cpuvolts_hi, cpuvolts_lo;
- int value;
- int loops;
-
- loops = 1000;
- do {
- value = smbus_read_byte(dev, reg);
- handle_smbus_error(value, "SMBUS read byte failed");
- } while ((--loops > 0) && value == 0);
- /* Convert the byte value to nanoVolts.
- * My accuracy is nowhere near that good but I don't
- * have to round so the math is simple.
- * I can only go up to about 4.2 Volts this way so my range is
- * limited.
- */
- nvolts_lo = ((unsigned)value * factor);
- nvolts_hi = nvolts_lo + factor - 1;
- /* Get the range of acceptable cpu voltage values */
- cpuvolts_lo = cpu_volts - delta;
- cpuvolts_hi = cpu_volts + delta;
- if ((nvolts_lo < cpuvolts_lo) || (nvolts_hi > cpuvolts_hi)) {
- printk_emerg("%s at (%u.%09u-%u.%09u)Volts expected %u.%09u+/-%u.%09uVolts\n",
- name,
- nvolts_lo/BILLION, nvolts_lo%BILLION,
- nvolts_hi/BILLION, nvolts_hi%BILLION,
- cpu_volts/BILLION, cpu_volts%BILLION,
- delta/BILLION, delta%BILLION);
- die("");
- }
- printk_info("%s at (%u.%09u-%u.%09u)Volts\n",
- name,
- nvolts_lo/BILLION, nvolts_lo%BILLION,
- nvolts_hi/BILLION, nvolts_hi%BILLION);
-
-}
-
-static void adm1026_enable_monitoring(device_t dev)
-{
- int result;
- result = smbus_read_byte(dev, ADM1026_REG_CONFIG1);
- handle_smbus_error(result, "ADM1026: cannot read config1");
-
- result = (result | CFG1_MONITOR) & ~(CFG1_INT_CLEAR | CFG1_RESET);
- result = smbus_write_byte(dev, ADM1026_REG_CONFIG1, result);
- handle_smbus_error(result, "ADM1026: cannot write to config1");
-
- result = smbus_read_byte(dev, ADM1026_REG_CONFIG1);
- handle_smbus_error(result, "ADM1026: cannot reread config1");
- if (!(result & CFG1_MONITOR)) {
- die("ADM1026: monitoring would not enable");
- }
-}
-
-
-static unsigned k8_cpu_volts(void)
-{
- unsigned volts = ~0;
- if (is_cpu_c0()) {
- volts = 1500000000;
- }
- if (is_cpu_b3()) {
- volts = 1550000000;
- }
- return volts;
-}
-
-static void verify_cpu_voltages(device_t dev)
-{
- unsigned cpu_volts;
- unsigned delta;
-#if 0
- delta = 50000000;
-#else
- delta = 75000000;
-#endif
- cpu_volts = k8_cpu_volts();
- if (cpu_volts == ~0) {
- printk_info("Required cpu voltage unknwon not checking\n");
- return;
- }
- /* I need to read registers 0x37 == Ain7CPU1 core 0x2d == VcppCPU0 core */
- /* CPU1 core
- * The sensor has a range of 0-2.5V and reports in
- * 256 distinct steps.
- */
- verify_cpu_voltage("CPU1 Vcore", dev, 0x37, 9765625,
- cpu_volts, delta);
- /* CPU0 core
- * The sensor has range of 0-3.0V and reports in
- * 256 distinct steps.
- */
- verify_cpu_voltage("CPU0 Vcore", dev, 0x2d, 11718750,
- cpu_volts, delta);
-}
-
-#define SMBUS_MUX 0x71
-
-static void do_verify_cpu_voltages(void)
-{
- device_t smbus_dev;
- device_t mux, sensor;
- struct device_path mux_path, sensor_path;
- int result;
- int mux_setting;
-
- /* Find the smbus controller */
- smbus_dev = dev_find_device(0x1022, 0x746b, 0);
- if (!smbus_dev) {
- die("SMBUS controller not found\n");
- }
-
- /* Find the smbus mux */
- mux_path.type = DEVICE_PATH_I2C;
- mux_path.u.i2c.device = SMBUS_MUX;
- mux = find_dev_path(smbus_dev, &mux_path);
- if (!mux) {
- die("SMBUS mux not found\n");
- }
-
- /* Find the adm1026 sensor */
- sensor_path.type = DEVICE_PATH_I2C;
- sensor_path.u.i2c.device = ADM1026_DEVICE;
- sensor = find_dev_path(mux, &sensor_path);
- if (!sensor) {
- die("ADM1026 not found\n");
- }
-
- /* Set the mux to see the temperature sensors */
- mux_setting = 1;
- result = smbus_send_byte(mux, mux_setting);
- handle_smbus_error(result, "SMBUS send byte failed\n");
-
- result = smbus_recv_byte(mux);
- handle_smbus_error(result, "SMBUS recv byte failed\n");
- if (result != mux_setting) {
- printk_emerg("SMBUS mux would not set to %d\n", mux_setting);
- die("");
- }
-
- adm1026_enable_monitoring(sensor);
-
- /* It takes 11.38ms to read a new voltage sensor value */
- mdelay(12);
-
- /* Read the cpu voltages and make certain everything looks sane */
- verify_cpu_voltages(sensor);
-}
-#else
-#define do_verify_cpu_voltages() do {} while(0)
-#endif
-
-
-static void fixup_aruma(void)
-{
- msr_t msr;
-
- /* bit 6 (0x40) in MSR 0xC0010015
- * disables the TLB cache flush filter
- */
- msr=rdmsr(0xC0010015);
- msr.lo |= 0x40;
- wrmsr(0xC0010015, msr);
-}
-
-
-static void mainboard_init(device_t dev)
-{
- root_dev_init(dev);
-
- printk_info("Initializing mainboard components... ");
- // do_verify_cpu_voltages();
- printk_info("ok\n");
-
- printk_info("Initializing mainboard specific functions... ");
- fixup_aruma();
- printk_info("ok\n");
-}
-
-static void enable_dev(struct device *dev)
-{
- dev->ops->init = mainboard_init;
-}
-
-struct chip_operations mainboard_agami_aruma_ops = {
- CHIP_NAME("AGAMI Aruma Mainboard")
- .enable_dev = enable_dev,
-};
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 12:34:07 +0000