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-rw-r--r--src/soc/amd/stoneyridge/Kconfig16
-rw-r--r--src/soc/amd/stoneyridge/Makefile.inc7
-rw-r--r--src/soc/amd/stoneyridge/bootblock/bootblock.c78
-rw-r--r--src/soc/amd/stoneyridge/early_setup.c48
-rw-r--r--src/soc/amd/stoneyridge/include/soc/hudson.h2
-rw-r--r--src/soc/amd/stoneyridge/include/soc/northbridge.h4
-rw-r--r--src/soc/amd/stoneyridge/romstage.c52
7 files changed, 163 insertions, 44 deletions
diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig
index 8d534cd6ac..aa694ef07b 100644
--- a/src/soc/amd/stoneyridge/Kconfig
+++ b/src/soc/amd/stoneyridge/Kconfig
@@ -40,10 +40,14 @@ config CPU_SPECIFIC_OPTIONS
select TSC_CONSTANT_RATE
select SPI_FLASH if HAVE_ACPI_RESUME
select TSC_SYNC_LFENCE
+ select COLLECT_TIMESTAMPS
select SOC_AMD_PI
select SOC_AMD_COMMON
select SOC_AMD_COMMON_BLOCK
select SOC_AMD_COMMON_BLOCK_PSP
+ select SOC_AMD_COMMON_BLOCK_CAR
+ select C_ENVIRONMENT_BOOTBLOCK
+ select BOOTBLOCK_CONSOLE
config UDELAY_LAPIC_FIXED_FSB
int
@@ -61,6 +65,14 @@ config DCACHE_RAM_SIZE
hex
default 0x10000
+config DCACHE_BSP_STACK_SIZE
+ depends on C_ENVIRONMENT_BOOTBLOCK
+ hex
+ default 0x4000
+ help
+ The amount of anticipated stack usage in CAR by bootblock and
+ other stages.
+
config CPU_ADDR_BITS
int
default 48
@@ -124,10 +136,6 @@ config RAMBASE
hex
default 0x200000
-config BOOTBLOCK_SOUTHBRIDGE_INIT
- string
- default "soc/amd/stoneyridge/bootblock/bootblock.c"
-
config SOUTHBRIDGE_AMD_STONEYRIDGE_SKIP_ISA_DMA_INIT
bool
default n
diff --git a/src/soc/amd/stoneyridge/Makefile.inc b/src/soc/amd/stoneyridge/Makefile.inc
index 97d402e0a2..4997098267 100644
--- a/src/soc/amd/stoneyridge/Makefile.inc
+++ b/src/soc/amd/stoneyridge/Makefile.inc
@@ -37,6 +37,13 @@ subdirs-y += ../../../cpu/x86/mtrr
subdirs-y += ../../../cpu/x86/pae
subdirs-y += ../../../cpu/x86/smm
+bootblock-$(CONFIG_STONEYRIDGE_UART) += uart.c
+bootblock-y += fixme.c
+bootblock-y += bootblock/bootblock.c
+bootblock-y += early_setup.c
+bootblock-y += tsc_freq.c
+
+romstage-y += romstage.c
romstage-y += early_setup.c
romstage-y += dimmSpd.c
romstage-$(CONFIG_USBDEBUG_IN_ROMSTAGE) += enable_usbdebug.c
diff --git a/src/soc/amd/stoneyridge/bootblock/bootblock.c b/src/soc/amd/stoneyridge/bootblock/bootblock.c
index 8efe744384..473b118d11 100644
--- a/src/soc/amd/stoneyridge/bootblock/bootblock.c
+++ b/src/soc/amd/stoneyridge/bootblock/bootblock.c
@@ -1,7 +1,8 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2016 Intel Corporation..
+ * Copyright (C) 2017 Advanced Micro Devices
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -14,52 +15,49 @@
*/
#include <stdint.h>
-#include <arch/io.h>
-#include <device/pci_ids.h>
-#include <soc/pci_devs.h>
+#include <console/console.h>
+#include <smp/node.h>
+#include <bootblock_common.h>
+#include <agesawrapper.h>
+#include <agesawrapper_call.h>
+#include <soc/hudson.h>
-/*
- * Enable 4MB (LPC) ROM access at 0xFFC00000 - 0xFFFFFFFF.
- *
- * Hardware should enable LPC ROM by pin straps. This function does not
- * handle the theoretically possible PCI ROM, FWH, or SPI ROM configurations.
- *
- * The HUDSON power-on default is to map 512K ROM space.
- *
- */
-static void hudson_enable_rom(void)
+asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
{
- u8 reg8;
- pci_devfn_t dev;
+ /*
+ * Call lib/bootblock.c main with BSP, shortcut for APs
+ * todo: rearchitect AGESA entry points to remove need
+ * to run amdinitreset, amdinitearly from bootblock.
+ * Remove AP shortcut.
+ */
+ if (!boot_cpu())
+ bootblock_soc_early_init(); /* APs will not return */
- dev = PCI_DEV(0, PCU_DEV, LPC_FUNC);
+ bootblock_main_with_timestamp(base_timestamp);
+}
- /* Decode variable LPC ROM address ranges 1 and 2. */
- reg8 = pci_io_read_config8(dev, 0x48);
- reg8 |= (1 << 3) | (1 << 4);
- pci_io_write_config8(dev, 0x48, reg8);
+void bootblock_soc_early_init(void)
+{
+ amd_initmmio();
- /* LPC ROM address range 1: */
- /* Enable LPC ROM range mirroring start at 0x000e(0000). */
- pci_io_write_config16(dev, 0x68, 0x000e);
- /* Enable LPC ROM range mirroring end at 0x000f(ffff). */
- pci_io_write_config16(dev, 0x6a, 0x000f);
+ if (!boot_cpu())
+ bootblock_soc_init(); /* APs will not return */
- /* LPC ROM address range 2: */
- /*
- * Enable LPC ROM range start at:
- * 0xfff8(0000): 512KB
- * 0xfff0(0000): 1MB
- * 0xffe0(0000): 2MB
- * 0xffc0(0000): 4MB
- */
- pci_io_write_config16(dev, 0x6c, 0x10000
- - (CONFIG_COREBOOT_ROMSIZE_KB >> 6));
- /* Enable LPC ROM range end at 0xffff(ffff). */
- pci_io_write_config16(dev, 0x6e, 0xffff);
+ bootblock_fch_early_init();
+
+ post_code(0x90);
+ if (CONFIG_STONEYRIDGE_UART)
+ configure_hudson_uart();
}
-static void bootblock_southbridge_init(void)
+void bootblock_soc_init(void)
{
- hudson_enable_rom();
+ u32 val = cpuid_eax(1);
+ printk(BIOS_DEBUG, "Family_Model: %08x\n", val);
+
+ post_code(0x37);
+ AGESAWRAPPER(amdinitreset);
+
+ post_code(0x38);
+ AGESAWRAPPER(amdinitearly); /* APs will not exit amdinitearly */
}
diff --git a/src/soc/amd/stoneyridge/early_setup.c b/src/soc/amd/stoneyridge/early_setup.c
index f1539eae52..c1a2978c0e 100644
--- a/src/soc/amd/stoneyridge/early_setup.c
+++ b/src/soc/amd/stoneyridge/early_setup.c
@@ -301,3 +301,51 @@ void hudson_tpm_decode_spi(void)
pci_write_config32(dev, SPIROM_BASE_ADDRESS_REGISTER, spibase
| ROUTE_TPM_2_SPI);
}
+
+/*
+ * Enable 4MB (LPC) ROM access at 0xFFC00000 - 0xFFFFFFFF.
+ *
+ * Hardware should enable LPC ROM by pin straps. This function does not
+ * handle the theoretically possible PCI ROM, FWH, or SPI ROM configurations.
+ *
+ * The HUDSON power-on default is to map 512K ROM space.
+ *
+ */
+void hudson_enable_rom(void)
+{
+ u8 reg8;
+ pci_devfn_t dev;
+
+ dev = PCI_DEV(0, PCU_DEV, LPC_FUNC);
+
+ /* Decode variable LPC ROM address ranges 1 and 2. */
+ reg8 = pci_io_read_config8(dev, 0x48);
+ reg8 |= (1 << 3) | (1 << 4);
+ pci_io_write_config8(dev, 0x48, reg8);
+
+ /* LPC ROM address range 1: */
+ /* Enable LPC ROM range mirroring start at 0x000e(0000). */
+ pci_io_write_config16(dev, 0x68, 0x000e);
+ /* Enable LPC ROM range mirroring end at 0x000f(ffff). */
+ pci_io_write_config16(dev, 0x6a, 0x000f);
+
+ /* LPC ROM address range 2: */
+ /*
+ * Enable LPC ROM range start at:
+ * 0xfff8(0000): 512KB
+ * 0xfff0(0000): 1MB
+ * 0xffe0(0000): 2MB
+ * 0xffc0(0000): 4MB
+ */
+ pci_io_write_config16(dev, 0x6c, 0x10000
+ - (CONFIG_COREBOOT_ROMSIZE_KB >> 6));
+ /* Enable LPC ROM range end at 0xffff(ffff). */
+ pci_io_write_config16(dev, 0x6e, 0xffff);
+}
+
+void bootblock_fch_early_init(void)
+{
+ hudson_enable_rom();
+ hudson_lpc_port80();
+ hudson_lpc_decode();
+}
diff --git a/src/soc/amd/stoneyridge/include/soc/hudson.h b/src/soc/amd/stoneyridge/include/soc/hudson.h
index c69ab679e6..62d5a84395 100644
--- a/src/soc/amd/stoneyridge/include/soc/hudson.h
+++ b/src/soc/amd/stoneyridge/include/soc/hudson.h
@@ -179,6 +179,7 @@ static inline int hudson_ide_enable(void)
(CONFIG_STONEYRIDGE_SATA_MODE == 3);
}
+void hudson_enable_rom(void);
void configure_hudson_uart(void);
void hudson_clk_output_48Mhz(void);
void hudson_disable_4dw_burst(void);
@@ -201,5 +202,6 @@ void pm_write16(u8 reg, u16 value);
int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos);
void s3_resume_init_data(void *FchParams);
int s3_save_nvram_early(u32 dword, int size, int nvram_pos);
+void bootblock_fch_early_init(void);
#endif /* STONEYRIDGE_H */
diff --git a/src/soc/amd/stoneyridge/include/soc/northbridge.h b/src/soc/amd/stoneyridge/include/soc/northbridge.h
index a87d66b845..e082a9d067 100644
--- a/src/soc/amd/stoneyridge/include/soc/northbridge.h
+++ b/src/soc/amd/stoneyridge/include/soc/northbridge.h
@@ -16,6 +16,7 @@
#ifndef PI_STONEYRIDGE_NORTHBRIDGE_H
#define PI_STONEYRIDGE_NORTHBRIDGE_H
+#include <arch/cpu.h>
#include <arch/io.h>
#include <device/device.h>
@@ -26,4 +27,7 @@ void domain_set_resources(device_t dev);
void fam15_finalize(void *chip_info);
void setup_uma_memory(void);
+/* todo: remove this when postcar stage is in place */
+asmlinkage void chipset_teardown_car(void);
+
#endif /* PI_STONEYRIDGE_NORTHBRIDGE_H */
diff --git a/src/soc/amd/stoneyridge/romstage.c b/src/soc/amd/stoneyridge/romstage.c
new file mode 100644
index 0000000000..1380fb7672
--- /dev/null
+++ b/src/soc/amd/stoneyridge/romstage.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015-2016 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <cbmem.h>
+#include <console/console.h>
+#include <program_loading.h>
+#include <agesawrapper.h>
+#include <agesawrapper_call.h>
+#include <soc/northbridge.h>
+#include <soc/hudson.h>
+#include <amdblocks/psp.h>
+
+asmlinkage void car_stage_entry(void)
+{
+ console_init();
+
+ post_code(0x40);
+ AGESAWRAPPER(amdinitpost);
+
+ post_code(0x41);
+ psp_notify_dram();
+
+ post_code(0x42);
+ cbmem_initialize_empty();
+
+ /*
+ * This writes contents to DRAM backing before teardown.
+ * todo: move CAR teardown to postcar implementation and
+ * relocate amdinitenv to ramstage.
+ */
+ chipset_teardown_car();
+
+ post_code(0x43);
+ AGESAWRAPPER(amdinitenv);
+
+ post_code(0x50);
+ run_ramstage();
+
+ post_code(0x54); /* Should never see this post code. */
+}