From f76a613a9a6cb978ed2d60ea0c5c0a9b195a825b Mon Sep 17 00:00:00 2001 From: Li-Ta Lo Date: Thu, 8 Jul 2004 16:57:43 +0000 Subject: code reformat, removed unused code git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1622 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/mainboard/ibm/e325/auto.c | 3 + src/mainboard/ibm/e325/mainboard.c | 249 +------------------------------------ 2 files changed, 4 insertions(+), 248 deletions(-) (limited to 'src/mainboard/ibm') 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 #include #include -#include #include #include #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 ", }; - -- cgit v1.2.3