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Fix the documentation of GPIO setup, tell W83627EHF to use external 

suspend clock (undocumented in datasheet, documented in 'W83627HG-AW').
Introduce sio_init function for all this.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3049 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Rudolf Marek 2008-01-12 22:29:17 +00:00
parent aeea7c1438
commit 6211ae13c3
1 changed files with 32 additions and 40 deletions
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72
src/mainboard/asus/a8v-e_se/cache_as_ram_auto.c
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@ -79,6 +79,7 @@ unsigned int get_sbdn(unsigned bus);
#define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1)
#define GPIO_DEV PNP_DEV(0x2e, W83627EHG_GPIO_SUSLED)
#define ACPI_DEV PNP_DEV(0x2e, W83627EHG_ACPI)
#define RTC_DEV PNP_DEV(0x2e, W83627EHG_RTC)
static void memreset_setup(void)
@ -153,13 +154,8 @@ unsigned int get_sbdn(unsigned bus)
return (dev >> 15) & 0x1f;
}
#if USE_FALLBACK_IMAGE == 1
void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
{
// unsigned last_boot_normal_x = last_boot_normal();
//FIXME
unsigned last_boot_normal_x = 1;
void sio_init(void) {
u8 reg;
pnp_enter_ext_func_mode(SERIAL_DEV);
@ -174,18 +170,40 @@ void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
pnp_exit_ext_func_mode(SERIAL_DEV);
pnp_enter_ext_func_mode(ACPI_DEV);
pnp_set_logical_device(ACPI_DEV);
reg = pnp_read_config(ACPI_DEV, 0xe6);
/* Set the delay rising time from PWROK_LP to PWROK_ST to 300 - 600ms, and 0 to vice versa */
pnp_write_config(ACPI_DEV, 0xe6, (reg & 0xf0));
/* 1 Use external suspend clock source 32.768KHz. Undocumented?? */
reg = pnp_read_config(ACPI_DEV, 0xe4);
pnp_write_config(ACPI_DEV, 0xe4, (reg | 0x10));
pnp_exit_ext_func_mode(ACPI_DEV);
pnp_enter_ext_func_mode(GPIO_DEV);
pnp_set_logical_device(GPIO_DEV);
pnp_write_config(GPIO_DEV, 0xe0, 0xde); // 1101110 0=output 1=input
pnp_write_config(GPIO_DEV, 0xe1, 0x1); //set output val
pnp_write_config(GPIO_DEV, 0xe2, 0x0); //no inversion
pnp_write_config(GPIO_DEV, 0xe3, 0x3); //0000 0011 0=output 1=input
pnp_write_config(GPIO_DEV, 0xe4, 0xa4); //set output val
pnp_write_config(GPIO_DEV, 0xe5, 0x0); //no inversion
pnp_write_config(GPIO_DEV, 0x30, 0x9); //Enable GPIO 2 & GPIO 5
pnp_exit_ext_func_mode(GPIO_DEV);
/* set memory voltage to 2.75V, vcore offset + 100mV, 1.5V Chipset voltage */
pnp_write_config(GPIO_DEV, 0xe0, 0xde); /* 1101110 0=output 1=input */
pnp_write_config(GPIO_DEV, 0xe1, 0x1); /* set output val */
pnp_write_config(GPIO_DEV, 0xe2, 0x0); /* no inversion */
pnp_write_config(GPIO_DEV, 0xe3, 0x3); /* 0000 0011 0=output 1=input */
pnp_write_config(GPIO_DEV, 0xe4, 0xa4); /* set output val 1010 0100 */
pnp_write_config(GPIO_DEV, 0xe5, 0x0); /* no inversion */
pnp_write_config(GPIO_DEV, 0x30, 0x9); /* Enable GPIO 2 & GPIO 5 */
pnp_exit_ext_func_mode(GPIO_DEV);
}
#if USE_FALLBACK_IMAGE == 1
void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
{
// unsigned last_boot_normal_x = last_boot_normal();
//FIXME
unsigned last_boot_normal_x = 1;
sio_init();
w83627ehg_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();
@ -258,34 +276,8 @@ void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
(DCACHE_RAM_BASE + DCACHE_RAM_SIZE -
DCACHE_RAM_GLOBAL_VAR_SIZE);
char *p;
u8 reg;
pnp_enter_ext_func_mode(SERIAL_DEV);
reg = pnp_read_config(SERIAL_DEV, 0x24);
pnp_write_config(SERIAL_DEV, 0x24, (reg & ~0x40)); /* we have 24MHz input */
reg = pnp_read_config(SERIAL_DEV, 0x2A);
pnp_write_config(SERIAL_DEV, 0x2A, (reg | 1)); /* we have GPIO for KB/MS PIN */
reg = pnp_read_config(SERIAL_DEV, 0x2C);
pnp_write_config(SERIAL_DEV, 0x2C, (reg | 0xf0)); /* we have all RESTOUT and even some reserved bits too */
pnp_exit_ext_func_mode(SERIAL_DEV);
pnp_enter_ext_func_mode(GPIO_DEV);
pnp_set_logical_device(GPIO_DEV);
pnp_write_config(GPIO_DEV, 0xe0, 0xde); // 1101110 0=output 1=input
pnp_write_config(GPIO_DEV, 0xe1, 0x1); //set output val
pnp_write_config(GPIO_DEV, 0xe2, 0x0); //no inversion
pnp_write_config(GPIO_DEV, 0xe3, 0x3); //0000 0011 0=output 1=input
pnp_write_config(GPIO_DEV, 0xe4, 0xa4); //set output val
//0x10 seems to control something with SGD VIA
pnp_write_config(GPIO_DEV, 0xe5, 0x0); //no inversion
pnp_write_config(GPIO_DEV, 0x30, 0x9); //Enable GPIO 2 & GPIO 5
pnp_exit_ext_func_mode(GPIO_DEV);
sio_init();
w83627ehg_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();