diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/psp.h | 3 | ||||
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_gen1.c | 35 | ||||
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_gen2.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 1 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/psp.c | 29 |
5 files changed, 36 insertions, 34 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/psp.h b/src/soc/amd/common/block/include/amdblocks/psp.h index 2aa000e554..e749d75df1 100644 --- a/src/soc/amd/common/block/include/amdblocks/psp.h +++ b/src/soc/amd/common/block/include/amdblocks/psp.h @@ -5,9 +5,6 @@ #include <stdint.h> -/* Get the mailbox base address - specific to family of device. */ -void *soc_get_mbox_address(void); - #define SMM_TRIGGER_IO 0 #define SMM_TRIGGER_MEM 1 diff --git a/src/soc/amd/common/block/psp/psp_gen1.c b/src/soc/amd/common/block/psp/psp_gen1.c index 076d3548e9..55070f258d 100644 --- a/src/soc/amd/common/block/psp/psp_gen1.c +++ b/src/soc/amd/common/block/psp/psp_gen1.c @@ -1,6 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <cpu/amd/msr.h> +#include <cpu/x86/msr.h> #include <device/mmio.h> +#include <device/pci_ops.h> +#include <device/pci_def.h> #include <cbfs.h> #include <region_file.h> #include <timer.h> @@ -8,8 +12,39 @@ #include <amdblocks/psp.h> #include <soc/iomap.h> #include <soc/northbridge.h> +#include <soc/pci_devs.h> +#include <soc/southbridge.h> #include "psp_def.h" +#define PSP_MAILBOX_OFFSET 0x70 + +static void *soc_get_mbox_address(void) +{ + uintptr_t psp_mmio; + + /* Check for presence of the PSP */ + if (pci_read_config32(SOC_PSP_DEV, PCI_VENDOR_ID) == 0xffffffff) { + printk(BIOS_WARNING, "PSP: No SOC_PSP_DEV found at D%xF%x\n", + PSP_DEV, PSP_FUNC); + return 0; + } + + /* Determine if Bar3Hide has been set, and if hidden get the base from + * the MSR instead. */ + if (pci_read_config32(SOC_PSP_DEV, PSP_BAR_ENABLES) & BAR3HIDE) { + psp_mmio = rdmsr(PSP_ADDR_MSR).lo; + if (!psp_mmio) { + printk(BIOS_WARNING, "PSP: BAR hidden, PSP_ADDR_MSR uninitialized\n"); + return 0; + } + } else { + psp_mmio = pci_read_config32(SOC_PSP_DEV, PSP_MAILBOX_BAR) & + ~PCI_BASE_ADDRESS_MEM_ATTR_MASK; + } + + return (void *)(psp_mmio + PSP_MAILBOX_OFFSET); +} + static u32 rd_mbox_sts(struct pspv1_mbox *mbox) { return read32(&mbox->mbox_status); diff --git a/src/soc/amd/common/block/psp/psp_gen2.c b/src/soc/amd/common/block/psp/psp_gen2.c index e2f51d8206..aef7dad767 100644 --- a/src/soc/amd/common/block/psp/psp_gen2.c +++ b/src/soc/amd/common/block/psp/psp_gen2.c @@ -19,7 +19,7 @@ static uintptr_t soc_get_psp_base_address(void) return psp_mmio; } -void *soc_get_mbox_address(void) +static void *soc_get_mbox_address(void) { uintptr_t psp_mmio = soc_get_psp_base_address(); if (!psp_mmio) diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index 97eb806682..74e949809d 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -181,7 +181,6 @@ void soc_enable_psp_early(void); #define PSP_MAILBOX_BAR PCI_BASE_ADDRESS_4 /* BKDG: "BAR3" */ -#define PSP_MAILBOX_OFFSET 0x70 /* offset from BAR3 value */ #define PSP_BAR_ENABLES 0x48 #define BAR3HIDE BIT(12) /* Bit to hide BAR3 addr */ diff --git a/src/soc/amd/stoneyridge/psp.c b/src/soc/amd/stoneyridge/psp.c index b001d5f755..e2a74bd611 100644 --- a/src/soc/amd/stoneyridge/psp.c +++ b/src/soc/amd/stoneyridge/psp.c @@ -3,8 +3,6 @@ #include <console/console.h> #include <device/pci_ops.h> #include <device/pci_def.h> -#include <cpu/amd/msr.h> -#include <cpu/x86/msr.h> #include <soc/pci_devs.h> #include <soc/northbridge.h> #include <soc/southbridge.h> @@ -30,30 +28,3 @@ void soc_enable_psp_early(void) cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; pci_write_config16(SOC_PSP_DEV, PCI_COMMAND, cmd); }; - -void *soc_get_mbox_address(void) -{ - uintptr_t psp_mmio; - - /* Check for presence of the PSP */ - if (pci_read_config32(SOC_PSP_DEV, PCI_VENDOR_ID) == 0xffffffff) { - printk(BIOS_WARNING, "PSP: No SOC_PSP_DEV found at D%xF%x\n", - PSP_DEV, PSP_FUNC); - return 0; - } - - /* Determine if Bar3Hide has been set, and if hidden get the base from - * the MSR instead. */ - if (pci_read_config32(SOC_PSP_DEV, PSP_BAR_ENABLES) & BAR3HIDE) { - psp_mmio = rdmsr(PSP_ADDR_MSR).lo; - if (!psp_mmio) { - printk(BIOS_WARNING, "PSP: BAR hidden, PSP_ADDR_MSR uninitialized\n"); - return 0; - } - } else { - psp_mmio = pci_read_config32(SOC_PSP_DEV, PSP_MAILBOX_BAR) & - ~PCI_BASE_ADDRESS_MEM_ATTR_MASK; - } - - return (void *)(psp_mmio + PSP_MAILBOX_OFFSET); -} |