void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
/*
* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
* LpcClk[1:0]". This following register setting has been
* replicated in every reference design since Parmer, so it is
* believed to be required even though it is not documented in
* the SoC BKDGs. Without this setting, there is no serial
* output.
*/
outb(0xD2, 0xcd6);
outb(0x00, 0xcd7);
hudson_lpc_decode();
outb(0x24, 0xCD6);
outb(0x01, 0xCD7);
*(volatile u32 *) (AMD_SB_ACPI_MMIO_ADDR + 0xE00 + 0x28) |= 1 << 18; /* 24Mhz */
*(volatile u32 *) (AMD_SB_ACPI_MMIO_ADDR + 0xE00 + 0x40) &= ~(1 << 2); /* 24Mhz */
hudson_lpc_port80();
if (!cpu_init_detectedx) {
post_code(0x30);
f81216h_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE, MODE_7777);
post_code(0x31);
console_init();
}
/* Halt if there was a built in self test failure */
post_code(0x34);
report_bist_failure(bist);
/* Load MPB */
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx);
post_code(0x37);
AGESAWRAPPER(amdinitreset);
post_code(0x38);
printk(BIOS_DEBUG, "Got past hudson_early_setup\n");
post_code(0x39);
AGESAWRAPPER(amdinitearly);
post_code(0x40);
AGESAWRAPPER(amdinitpost);
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
/*
* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
* LpcClk[1:0]". This following register setting has been
* replicated in every reference design since Parmer, so it is
* believed to be required even though it is not documented in
* the SoC BKDGs. Without this setting, there is no serial
* output.
*/
outb(0xD2, 0xcd6);
outb(0x00, 0xcd7);
amd_initmmio();
hudson_lpc_decode();
outb(0x24, 0xCD6);
outb(0x01, 0xCD7);
*(volatile u32 *) (0xFED80000 + 0xE00 + 0x28) |= 1 << 18; /* 24Mhz */
*(volatile u32 *) (0xFED80000 + 0xE00 + 0x40) &= ~(1 << 2); /* 24Mhz */
hudson_lpc_port80();
if (!cpu_init_detectedx) {
post_code(0x30);
f81216h_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE, MODE_7777);
post_code(0x31);
console_init();
}
/* Halt if there was a built in self test failure */
post_code(0x34);
report_bist_failure(bist);
/* Load MPB */
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx);
post_code(0x37);
AGESAWRAPPER(amdinitreset);
post_code(0x38);
printk(BIOS_DEBUG, "Got past hudson_early_setup\n");
post_code(0x39);
AGESAWRAPPER(amdinitearly);
int s3resume = acpi_is_wakeup_s3();
if (!s3resume) {
post_code(0x40);
AGESAWRAPPER(amdinitpost);
post_code(0x41);
AGESAWRAPPER(amdinitenv);
/*
If code hangs here, please check cahaltasm.S
*/
disable_cache_as_ram();
}
else if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { /* S3 detect */
printk(BIOS_INFO, "S3 detected\n");
post_code(0x60);
AGESAWRAPPER(amdinitresume);
AGESAWRAPPER(amds3laterestore);
post_code(0x61);
prepare_for_resume();
}
post_code(0x50);
copy_and_run();
post_code(0x54); /* Should never see this post code. */
}
