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AMD binaryPI: Drop ramtop via nvram 

If HAVE_ACPI_RESUME gets implemented, EARLY_CBMEM_INIT is
required too.

Change-Id: I8c7932297e0938eff629d1e46081ccf3e7690aea
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8185
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Kyösti Mälkki 2015-01-10 07:25:15 +02:00
parent 7a846e7acc
commit 2320cbebc6
2 changed files with 0 additions and 63 deletions
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30
src/southbridge/amd/pi/avalon/early_setup.c
View File

@ -123,34 +123,4 @@ int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos)
return nvram_pos;
}
#if CONFIG_HAVE_ACPI_RESUME
int acpi_get_sleep_type(void)
{
u16 tmp = inw(ACPI_PM1_CNT_BLK);
tmp = ((tmp & (7 << 10)) >> 10);
/* printk(BIOS_DEBUG, "SLP_TYP type was %x\n", tmp); */
return (int)tmp;
}
#endif
#if CONFIG_HAVE_ACPI_RESUME
int acpi_is_wakeup_early(void)
{
return (acpi_get_sleep_type() == 3);
}
#endif
unsigned long get_top_of_ram(void)
{
uint32_t xdata = 0;
int xnvram_pos = 0xf8, xi;
for (xi = 0; xi<4; xi++) {
outb(xnvram_pos, BIOSRAM_INDEX);
xdata &= ~(0xff << (xi * 8));
xdata |= inb(BIOSRAM_DATA) << (xi *8);
xnvram_pos++;
}
return (unsigned long) xdata;
}
#endif

33
src/southbridge/amd/pi/avalon/hudson.c
View File

@ -38,28 +38,12 @@
#define PM_MMIO_BASE 0xfed80300
#if CONFIG_HAVE_ACPI_RESUME
int acpi_get_sleep_type(void)
{
u16 tmp = inw(ACPI_PM1_CNT_BLK);
tmp = ((tmp & (7 << 10)) >> 10);
/* printk(BIOS_DEBUG, "SLP_TYP type was %x\n", tmp); */
return (int)tmp;
}
#endif
void backup_top_of_ram(uint64_t ramtop)
{
u32 dword = (u32) ramtop;
int nvram_pos = 0xf8, i; /* temp */
/* printk(BIOS_DEBUG, "dword=%x\n", dword); */
for (i = 0; i<4; i++) {
/* printk(BIOS_DEBUG, "nvram_pos=%x, dword>>(8*i)=%x\n", nvram_pos, (dword >>(8 * i)) & 0xff); */
outb(nvram_pos, BIOSRAM_INDEX);
outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA);
nvram_pos++;
}
}
void pm_write8(u8 reg, u8 value)
{
@ -113,23 +97,6 @@ void hudson_enable(device_t dev)
}
}
#if CONFIG_HAVE_ACPI_RESUME
unsigned long get_top_of_ram(void)
{
uint32_t xdata = 0;
int xnvram_pos = 0xf8, xi;
if (acpi_get_sleep_type() != 3)
return 0;
for (xi = 0; xi<4; xi++) {
outb(xnvram_pos, BIOSRAM_INDEX);
xdata &= ~(0xff << (xi * 8));
xdata |= inb(BIOSRAM_DATA) << (xi *8);
xnvram_pos++;
}
return (unsigned long) xdata;
}
#endif
static void hudson_init_acpi_ports(void)
{
/* We use some of these ports in SMM regardless of whether or not