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Diffstat (limited to 'src/soc/amd/stoneyridge/bootblock/bootblock.c')
-rw-r--r--src/soc/amd/stoneyridge/bootblock/bootblock.c78
1 files changed, 38 insertions, 40 deletions
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 */
}