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soc/amd/stoneyridge: Add XHCI PM register access functions 

Add functions to access the XHCI PM MMIO registers.

Change-Id: I81b4c0a448eb17c5ee0562a2c3548a074d533a98
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/22677
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
This commit is contained in:
Marc Jones 2017-12-01 17:17:43 -07:00 committed by Martin Roth
parent 2bd52ff0bd
commit 7654f86f3a
3 changed files with 37 additions and 0 deletions
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1
src/soc/amd/stoneyridge/include/soc/iomap.h
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@ -31,6 +31,7 @@
#define AMD_SB_ACPI_MMIO_ADDR 0xfed80000
#define APU_SMI_BASE 0xfed80200
#define PM_MMIO_BASE 0xfed80300
#define XHCI_ACPI_PM_MMIO_BASE 0xfed81c00
#define APU_UART0_BASE 0xfedc6000
#define APU_UART1_BASE 0xfedc8000

6
src/soc/amd/stoneyridge/include/soc/southbridge.h
View File

@ -312,6 +312,12 @@ void smi_write16(uint8_t offset, uint16_t value);
void smi_write32(uint8_t offset, uint32_t value);
uint16_t pm_acpi_pm_cnt_blk(void);
uint16_t pm_acpi_pm_evt_blk(void);
void xhci_pm_write8(uint8_t reg, uint8_t value);
uint8_t xhci_pm_read8(uint8_t reg);
void xhci_pm_write16(uint8_t reg, uint16_t value);
uint16_t xhci_pm_read16(uint8_t reg);
void xhci_pm_write32(uint8_t reg, uint32_t value);
uint32_t xhci_pm_read32(uint8_t reg);
int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos);
int s3_save_nvram_early(u32 dword, int size, int nvram_pos);
void bootblock_fch_early_init(void);

30
src/soc/amd/stoneyridge/sb_util.c
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@ -84,3 +84,33 @@ uint16_t pm_acpi_pm_evt_blk(void)
{
return pm_read16(PM_EVT_BLK);
}
void xhci_pm_write8(uint8_t reg, uint8_t value)
{
write8((void *)(XHCI_ACPI_PM_MMIO_BASE + reg), value);
}
uint8_t xhci_pm_read8(uint8_t reg)
{
return read8((void *)(XHCI_ACPI_PM_MMIO_BASE + reg));
}
void xhci_pm_write16(uint8_t reg, uint16_t value)
{
write16((void *)(XHCI_ACPI_PM_MMIO_BASE + reg), value);
}
uint16_t xhci_pm_read16(uint8_t reg)
{
return read16((void *)(XHCI_ACPI_PM_MMIO_BASE + reg));
}
void xhci_pm_write32(uint8_t reg, uint32_t value)
{
write32((void *)(XHCI_ACPI_PM_MMIO_BASE + reg), value);
}
uint32_t xhci_pm_read32(uint8_t reg)
{
return read32((void *)(XHCI_ACPI_PM_MMIO_BASE + reg));
}