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authorPatrick Rudolph <patrick.rudolph@9elements.com>2019-03-24 12:27:31 +0100
committerNico Huber <nico.h@gmx.de>2019-04-18 09:57:51 +0000
commit45d4b17f5e05cd493f19e69900a38ac805eb63b5 (patch)
treead0a7cd24289d204e00209aca5ae24689a05a496 /src/southbridge/intel/bd82x6x
parentcbf27fd8998bf8125de8407b4e64ab726a738962 (diff)
nb/intel/sandybridge: Move southbridge code to bd82x6x
Move the southbridge code to bd82x6x folder similar to the lynxpoint implementation. Tested on Lenovo T520 (Intel Sandy Bridge). Still boots to OS, no errors visible in dmesg. Change-Id: I8afc9f966033f45823f5dfde279e0f66de165e93 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/32035 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/southbridge/intel/bd82x6x')
-rw-r--r--src/southbridge/intel/bd82x6x/early_pch.c34
-rw-r--r--src/southbridge/intel/bd82x6x/pch.h1
2 files changed, 35 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/early_pch.c b/src/southbridge/intel/bd82x6x/early_pch.c
index 88436213a0..a50a159668 100644
--- a/src/southbridge/intel/bd82x6x/early_pch.c
+++ b/src/southbridge/intel/bd82x6x/early_pch.c
@@ -18,6 +18,9 @@
#include <arch/cbfs.h>
#include <ip_checksum.h>
#include <device/pci_def.h>
+#include <southbridge/intel/common/gpio.h>
+#include <southbridge/intel/common/pmbase.h>
+
/* For DMI bar. */
#include <northbridge/intel/sandybridge/sandybridge.h>
@@ -367,3 +370,34 @@ early_pch_init_native (void)
init_dmi();
}
+
+static void pch_enable_bars(void)
+{
+ pci_write_config32(PCH_LPC_DEV, RCBA, (uintptr_t)DEFAULT_RCBA | 1);
+
+ pci_write_config32(PCH_LPC_DEV, PMBASE, DEFAULT_PMBASE | 1);
+
+ pci_write_config8(PCH_LPC_DEV, ACPI_CNTL, 0x80);
+
+ pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE | 1);
+
+ /* Enable GPIO functionality. */
+ pci_write_config8(PCH_LPC_DEV, GPIO_CNTL, 0x10);
+}
+
+static void pch_generic_setup(void)
+{
+ RCBA32(GCS) = RCBA32(GCS) | (1 << 5); /* No reset */
+ write_pmbase16(TCO1_CNT, 1 << 11); /* halt timer */
+}
+
+void early_pch_init(void)
+{
+ pch_enable_lpc();
+
+ pch_enable_bars();
+
+ pch_generic_setup();
+
+ setup_pch_gpios(&mainboard_gpio_map);
+}
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 741996531f..21b603108a 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -76,6 +76,7 @@ void southbridge_configure_default_intmap(void);
void southbridge_rcba_config(void);
void mainboard_rcba_config(void);
void early_pch_init_native(void);
+void early_pch_init(void);
struct southbridge_usb_port
{