summaryrefslogtreecommitdiff
path: root/src/mainboard/ibm/e325
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/ibm/e325')
-rw-r--r--src/mainboard/ibm/e325/auto.c3
-rw-r--r--src/mainboard/ibm/e325/mainboard.c249
2 files changed, 4 insertions, 248 deletions
diff --git a/src/mainboard/ibm/e325/auto.c b/src/mainboard/ibm/e325/auto.c
index ad04f94363..2c80a7d0ad 100644
--- a/src/mainboard/ibm/e325/auto.c
+++ b/src/mainboard/ibm/e325/auto.c
@@ -161,13 +161,16 @@ static void main(void)
enable_lapic();
init_timer();
+
if (cpu_init_detected()) {
asm("jmp __cpu_reset");
}
+
distinguish_cpu_resets();
if (!boot_cpu()) {
stop_this_cpu();
}
+
pc87366_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();
diff --git a/src/mainboard/ibm/e325/mainboard.c b/src/mainboard/ibm/e325/mainboard.c
index 85ad28a891..e7b4cf464f 100644
--- a/src/mainboard/ibm/e325/mainboard.c
+++ b/src/mainboard/ibm/e325/mainboard.c
@@ -3,268 +3,22 @@
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
-#include <cpu/p6/msr.h>
#include <arch/io.h>
#include <device/chip.h>
#include "../../../northbridge/amd/amdk8/northbridge.h"
#include "chip.h"
-#include "pc80/mc146818rtc.h"
-
-
-
unsigned long initial_apicid[CONFIG_MAX_CPUS] =
{
0, 1,
};
-#define SMBGSTATUS 0xe0
-#define SMBGCTL 0xe2
-#define SMBHSTADDR 0xe4
-#define SMBHSTDAT 0xe6
-#define SMBHSTCMD 0xe8
-#define SMBHSTFIFO 0xe9
-
-#define SMBUS_TIMEOUT (100*1000*10)
-
-static inline void smbus_delay(void)
-{
- outb(0x80, 0x80);
-}
-
-static int smbus_wait_until_ready(unsigned smbus_io_base)
-{
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- do {
- unsigned short val;
- smbus_delay();
- val = inw(smbus_io_base + SMBGSTATUS);
- if ((val & 0x800) == 0) {
- break;
- }
- if(loops == (SMBUS_TIMEOUT / 2)) {
- outw(inw(smbus_io_base + SMBGSTATUS),
- smbus_io_base + SMBGSTATUS);
- }
- } while(--loops);
- return loops?0:-2;
-}
-
-static int smbus_wait_until_done(unsigned smbus_io_base)
-{
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- do {
- unsigned short val;
- smbus_delay();
-
- val = inw(smbus_io_base + SMBGSTATUS);
- if (((val & 0x8) == 0) | ((val & 0x437) != 0)) {
- break;
- }
- } while(--loops);
- return loops?0:-3;
-}
-
-static int smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned value)
-{
- unsigned char global_status_register;
-
- if (smbus_wait_until_ready(smbus_io_base) < 0) {
- return -2;
- }
-
- /* setup transaction */
- /* disable interrupts */
- outw(inw(smbus_io_base + SMBGCTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBGCTL);
- /* set the device I'm talking too */
- outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHSTADDR);
- /* set the command/address... */
- outb(0, smbus_io_base + SMBHSTCMD);
- /* set up for a send byte */
- outw((inw(smbus_io_base + SMBGCTL) & ~7) | (0x1), smbus_io_base + SMBGCTL);
-
- /* clear any lingering errors, so the transaction will run */
- /* Do I need to write the bits to a 1 to clear an error? */
- outw(inw(smbus_io_base + SMBGSTATUS), smbus_io_base + SMBGSTATUS);
-
- /* set the data word...*/
- outw(value, smbus_io_base + SMBHSTDAT);
-
- /* start the command */
- outw((inw(smbus_io_base + SMBGCTL) | (1 << 3)), smbus_io_base + SMBGCTL);
-
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return -3;
- }
- global_status_register = inw(smbus_io_base + SMBGSTATUS);
-
- if (global_status_register != (1 << 4)) {
- return -1;
- }
- return 0;
-}
-
-static int smbus_recv_byte(unsigned smbus_io_base, unsigned device)
-{
- unsigned char global_status_register;
- unsigned char byte;
-
- if (smbus_wait_until_ready(smbus_io_base) < 0) {
- return -2;
- }
-
- /* setup transaction */
- /* disable interrupts */
- outw(inw(smbus_io_base + SMBGCTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBGCTL);
- /* set the device I'm talking too */
- outw(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHSTADDR);
- /* set the command/address... */
- outb(0, smbus_io_base + SMBHSTCMD);
- /* set up for a send byte */
- outw((inw(smbus_io_base + SMBGCTL) & ~7) | (0x1), smbus_io_base + SMBGCTL);
-
- /* clear any lingering errors, so the transaction will run */
- /* Do I need to write the bits to a 1 to clear an error? */
- outw(inw(smbus_io_base + SMBGSTATUS), smbus_io_base + SMBGSTATUS);
-
- /* set the data word...*/
- outw(0, smbus_io_base + SMBHSTDAT);
-
- /* start the command */
- outw((inw(smbus_io_base + SMBGCTL) | (1 << 3)), smbus_io_base + SMBGCTL);
-
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return -3;
- }
-
- global_status_register = inw(smbus_io_base + SMBGSTATUS);
-
- /* read results of transaction */
- byte = inw(smbus_io_base + SMBHSTDAT) & 0xff;
-
- if (global_status_register != (1 << 4)) {
- return -1;
- }
- return byte;
-}
-
-#if 0
-static int smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
-{
- unsigned char global_status_register;
- unsigned char byte;
-
- if (smbus_wait_until_ready(smbus_io_base) < 0) {
- return -2;
- }
-
- /* setup transaction */
- /* disable interrupts */
- outw(inw(smbus_io_base + SMBGCTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBGCTL);
- /* set the device I'm talking too */
- outw(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHSTADDR);
- /* set the command/address... */
- outb(address & 0xFF, smbus_io_base + SMBHSTCMD);
- /* set up for a byte data read */
- outw((inw(smbus_io_base + SMBGCTL) & ~7) | (0x2), smbus_io_base + SMBGCTL);
-
- /* clear any lingering errors, so the transaction will run */
- /* Do I need to write the bits to a 1 to clear an error? */
- outw(inw(smbus_io_base + SMBGSTATUS), smbus_io_base + SMBGSTATUS);
-
- /* clear the data word...*/
- outw(0, smbus_io_base + SMBHSTDAT);
-
- /* start the command */
- outw((inw(smbus_io_base + SMBGCTL) | (1 << 3)), smbus_io_base + SMBGCTL);
-
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return -3;
- }
-
- global_status_register = inw(smbus_io_base + SMBGSTATUS);
-
- /* read results of transaction */
- byte = inw(smbus_io_base + SMBHSTDAT) & 0xff;
-
- if (global_status_register != (1 << 4)) {
- return -1;
- }
- return byte;
-}
-
-static int smbus_write_byte(unsigned smbus_io_base, unsigned device, unsigned address, unsigned char val)
-{
- if (smbus_wait_until_ready(smbus_io_base) < 0) {
- return -2;
- }
-
- /* setup transaction */
- /* disable interrupts */
- outw(inw(smbus_io_base + SMBGCTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)),
- smbus_io_base + SMBGCTL);
- /* set the device I'm talking too */
- outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHSTADDR);
- outb(address & 0xFF, smbus_io_base + SMBHSTCMD);
- /* set up for a byte data write */ /* FIXME */
- outw((inw(smbus_io_base + SMBGCTL) & ~7) | (0x1), smbus_io_base + SMBGCTL);
- /* clear any lingering errors, so the transaction will run */
- /* Do I need to write the bits to a 1 to clear an error? */
- outw(inw(smbus_io_base + SMBGSTATUS), smbus_io_base + SMBGSTATUS);
-
- /* clear the data word...*/
- outw(val, smbus_io_base + SMBHSTDAT);
-
- /* start the command */
- outw((inw(smbus_io_base + SMBGCTL) | (1 << 3)), smbus_io_base + SMBGCTL);
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return -3;
- }
- return 0;
-}
-#endif
-
-#define SMBUS_MUX 0x70
-static void mainboard_init(device_t dev)
-{
- /* Set the mux to see the temperature sensors */
- dev = dev_find_device(0x1022, 0x746b, 0);
- if (dev) {
- unsigned smbus_io_base;
- unsigned device;
- int result;
- int mux_setting;
- device = SMBUS_MUX;
- mux_setting = 1;
- smbus_io_base = pci_read_config32(dev, 0x58) & ~1;;
- result = smbus_send_byte(smbus_io_base, device, mux_setting);
- if ((result < 0) ||
- (smbus_recv_byte(smbus_io_base, device) != mux_setting)) {
- printk_err("SMBUS mux would not set to %d\n", mux_setting);
- }
-
- }
- else {
- printk_err("SMBUS_controller not found\n");
- }
-}
-
static struct device_operations mainboard_operations = {
.read_resources = root_dev_read_resources,
.set_resources = root_dev_set_resources,
.enable_resources = enable_childrens_resources,
- .init = mainboard_init,
+ .init = 0,
.scan_bus = amdk8_scan_root_bus,
.enable = 0,
};
@@ -289,4 +43,3 @@ struct chip_control mainboard_ibm_e325_control = {
.enumerate = enumerate,
.name = "IBM E325 mainboard ",
};
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 14:18:07 +0000