diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/stoneyridge/bootblock/bootblock.c | 57 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/romstage.c | 44 |
2 files changed, 44 insertions, 57 deletions
diff --git a/src/soc/amd/stoneyridge/bootblock/bootblock.c b/src/soc/amd/stoneyridge/bootblock/bootblock.c index 9cfbae374d..56f6437fb6 100644 --- a/src/soc/amd/stoneyridge/bootblock/bootblock.c +++ b/src/soc/amd/stoneyridge/bootblock/bootblock.c @@ -52,27 +52,6 @@ static void amd_initmmio(void) set_var_mtrr(mtrr, FLASH_BASE_ADDR, CONFIG_ROM_SIZE, MTRR_TYPE_WRPROT); } -/* - * To move AGESA calls to romstage, just move agesa_call() and bsp_agesa_call() - * to romstage.c. Also move the call to bsp_agesa_call() to the marked location - * in romstage.c. - */ -static void agesa_call(void) -{ - post_code(0x37); - do_agesawrapper(agesawrapper_amdinitreset, "amdinitreset"); - - post_code(0x38); - /* APs will not exit amdinitearly */ - do_agesawrapper(agesawrapper_amdinitearly, "amdinitearly"); -} - -static void bsp_agesa_call(void) -{ - set_ap_entry_ptr(agesa_call); /* indicate the path to the AP */ - agesa_call(); -} - asmlinkage void bootblock_c_entry(uint64_t base_timestamp) { amd_initmmio(); @@ -97,37 +76,6 @@ void bootblock_soc_early_init(void) post_code(0x90); } -/* - * This step is in bootblock because the SMU FW1 must be loaded prior to - * issuing any reset to the system. Set up just enough to get the command - * to the PSP. A side effect of placing this step here is we will always - * load a RO version of FW1 and never a RW version. - * - * todo: If AMD develops a more robust methodology, move this function to - * romstage. - */ -static void load_smu_fw1(void) -{ - u32 base, limit, cmd; - - /* Open a posted hole from 0x80000000 : 0xfed00000-1 */ - base = (0x80000000 >> 8) | MMIO_WE | MMIO_RE; - limit = (ALIGN_DOWN(HPET_BASE_ADDRESS - 1, 64 * KiB) >> 8); - pci_write_config32(SOC_ADDR_DEV, D18F1_MMIO_LIMIT0_LO, limit); - pci_write_config32(SOC_ADDR_DEV, D18F1_MMIO_BASE0_LO, base); - - /* Preload a value into "BAR3" and enable it */ - pci_write_config32(SOC_PSP_DEV, PSP_MAILBOX_BAR, PSP_MAILBOX_BAR3_BASE); - pci_write_config32(SOC_PSP_DEV, PSP_BAR_ENABLES, PSP_MAILBOX_BAR_EN); - - /* Enable memory access and master */ - cmd = pci_read_config32(SOC_PSP_DEV, PCI_COMMAND); - cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; - pci_write_config32(SOC_PSP_DEV, PCI_COMMAND, cmd); - - psp_load_named_blob(MBOX_BIOS_CMD_SMU_FW, "smu_fw"); -} - void bootblock_soc_init(void) { if (IS_ENABLED(CONFIG_STONEYRIDGE_UART)) @@ -137,11 +85,6 @@ void bootblock_soc_init(void) u32 val = cpuid_eax(1); printk(BIOS_DEBUG, "Family_Model: %08x\n", val); - if (IS_ENABLED(CONFIG_SOC_AMD_PSP_SELECTABLE_SMU_FW)) - load_smu_fw1(); - - bsp_agesa_call(); - /* Initialize any early i2c buses. */ i2c_soc_early_init(); } diff --git a/src/soc/amd/stoneyridge/romstage.c b/src/soc/amd/stoneyridge/romstage.c index a742cd062d..78472d332a 100644 --- a/src/soc/amd/stoneyridge/romstage.c +++ b/src/soc/amd/stoneyridge/romstage.c @@ -41,6 +41,44 @@ void __weak mainboard_romstage_entry(int s3_resume) /* By default, don't do anything */ } +static void load_smu_fw1(void) +{ + u32 base, limit, cmd; + + /* Open a posted hole from 0x80000000 : 0xfed00000-1 */ + base = (0x80000000 >> 8) | MMIO_WE | MMIO_RE; + limit = (ALIGN_DOWN(HPET_BASE_ADDRESS - 1, 64 * KiB) >> 8); + pci_write_config32(SOC_ADDR_DEV, D18F1_MMIO_LIMIT0_LO, limit); + pci_write_config32(SOC_ADDR_DEV, D18F1_MMIO_BASE0_LO, base); + + /* Preload a value into "BAR3" and enable it */ + pci_write_config32(SOC_PSP_DEV, PSP_MAILBOX_BAR, PSP_MAILBOX_BAR3_BASE); + pci_write_config32(SOC_PSP_DEV, PSP_BAR_ENABLES, PSP_MAILBOX_BAR_EN); + + /* Enable memory access and master */ + cmd = pci_read_config32(SOC_PSP_DEV, PCI_COMMAND); + cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + pci_write_config32(SOC_PSP_DEV, PCI_COMMAND, cmd); + + psp_load_named_blob(MBOX_BIOS_CMD_SMU_FW, "smu_fw"); +} + +static void agesa_call(void) +{ + post_code(0x37); + do_agesawrapper(agesawrapper_amdinitreset, "amdinitreset"); + + post_code(0x38); + /* APs will not exit amdinitearly */ + do_agesawrapper(agesawrapper_amdinitearly, "amdinitearly"); +} + +static void bsp_agesa_call(void) +{ + set_ap_entry_ptr(agesa_call); /* indicate the path to the AP */ + agesa_call(); +} + asmlinkage void car_stage_entry(void) { struct postcar_frame pcf; @@ -61,6 +99,12 @@ asmlinkage void car_stage_entry(void) console_init(); + if (IS_ENABLED(CONFIG_SOC_AMD_PSP_SELECTABLE_SMU_FW)) + load_smu_fw1(); + + + bsp_agesa_call(); + mainboard_romstage_entry(s3_resume); if (!s3_resume) { |