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authorVladimir Serbinenko <phcoder@gmail.com>2016-02-10 01:36:25 +0100
committerMartin Roth <martinroth@google.com>2016-02-12 04:20:57 +0100
commitffbb3c0b8abea621eb7a1583d630cf06c8cbfbbc (patch)
tree9a45adcee57358dd8ebafc4201db2cbd0beef679 /src/northbridge/intel/sandybridge
parent622eea7e815af39dbee290eddc487baab5e8a5f5 (diff)
Merge sandy/ivybridge romstage flow for MRC and non-MRC.
Change-Id: I11e09804ed1d8a7ae8b8d4502bd18f6be933f9fa Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: https://review.coreboot.org/13656 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/northbridge/intel/sandybridge')
-rw-r--r--src/northbridge/intel/sandybridge/Makefile.inc3
-rw-r--r--src/northbridge/intel/sandybridge/raminit.c44
-rw-r--r--src/northbridge/intel/sandybridge/raminit.h1
-rw-r--r--src/northbridge/intel/sandybridge/raminit_mrc.c27
-rw-r--r--src/northbridge/intel/sandybridge/raminit_native.h8
-rw-r--r--src/northbridge/intel/sandybridge/romstage.c63
-rw-r--r--src/northbridge/intel/sandybridge/sandybridge.h8
7 files changed, 108 insertions, 46 deletions
diff --git a/src/northbridge/intel/sandybridge/Makefile.inc b/src/northbridge/intel/sandybridge/Makefile.inc
index 2d68c03d87..90abe4dab6 100644
--- a/src/northbridge/intel/sandybridge/Makefile.inc
+++ b/src/northbridge/intel/sandybridge/Makefile.inc
@@ -28,11 +28,10 @@ romstage-y += ram_calc.c
romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE_MRC) += raminit_mrc.c
romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE_MRC) += raminit_mrc.c
romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += raminit.c
-romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += romstage.c
romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += ../../../device/dram/ddr3.c
romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += raminit.c
-romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += romstage.c
romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += ../../../device/dram/ddr3.c
+romstage-y += romstage.c
romstage-y += mrccache.c
romstage-y += iommu.c
romstage-y += early_init.c
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c
index aae963e239..7490ff7f29 100644
--- a/src/northbridge/intel/sandybridge/raminit.c
+++ b/src/northbridge/intel/sandybridge/raminit.c
@@ -24,12 +24,14 @@
#include <cbfs.h>
#include <halt.h>
#include <ip_checksum.h>
+#include <timestamp.h>
#include <pc80/mc146818rtc.h>
#include <device/pci_def.h>
#include "raminit_native.h"
#include "sandybridge.h"
#include <delay.h>
#include <lib.h>
+#include <device/device.h>
/* Management Engine is in the southbridge */
#include "southbridge/intel/bd82x6x/me.h"
@@ -37,6 +39,7 @@
#include "southbridge/intel/bd82x6x/smbus.h"
#include "arch/cpu.h"
#include "cpu/x86/msr.h"
+#include <northbridge/intel/sandybridge/chip.h>
/* FIXME: no ECC support. */
/* FIXME: no support for 3-channel chipsets. */
@@ -4034,3 +4037,44 @@ void init_dram_ddr3(spd_raw_data * spds, int mobile, int min_tck,
halt();
}
}
+
+#define HOST_BRIDGE PCI_DEVFN(0, 0)
+#define DEFAULT_TCK TCK_800MHZ
+
+static unsigned int get_mem_min_tck(void)
+{
+ const struct device *dev;
+ const struct northbridge_intel_sandybridge_config *cfg;
+
+ dev = dev_find_slot(0, HOST_BRIDGE);
+ if (!(dev && dev->chip_info))
+ return DEFAULT_TCK;
+
+ cfg = dev->chip_info;
+
+ /* If this is zero, it just means devicetree.cb didn't set it */
+ if (cfg->max_mem_clock_mhz == 0)
+ return DEFAULT_TCK;
+
+ if (cfg->max_mem_clock_mhz >= 800)
+ return TCK_800MHZ;
+ else if (cfg->max_mem_clock_mhz >= 666)
+ return TCK_666MHZ;
+ else if (cfg->max_mem_clock_mhz >= 533)
+ return TCK_533MHZ;
+ return TCK_400MHZ;
+}
+
+void perform_raminit(int s3resume)
+{
+ spd_raw_data spd[4];
+
+ post_code(0x3a);
+
+ memset (spd, 0, sizeof (spd));
+ mainboard_get_spd(spd);
+
+ timestamp_add_now(TS_BEFORE_INITRAM);
+
+ init_dram_ddr3(spd, 1, get_mem_min_tck(), s3resume);
+}
diff --git a/src/northbridge/intel/sandybridge/raminit.h b/src/northbridge/intel/sandybridge/raminit.h
index 5bda2ef2b6..4e684ec409 100644
--- a/src/northbridge/intel/sandybridge/raminit.h
+++ b/src/northbridge/intel/sandybridge/raminit.h
@@ -27,6 +27,7 @@ struct sys_info {
void sdram_initialize(struct pei_data *pei_data);
void save_mrc_data(struct pei_data *pei_data);
+void mainboard_fill_pei_data(struct pei_data *pei_data);
int fixup_sandybridge_errata(void);
#endif /* RAMINIT_H */
diff --git a/src/northbridge/intel/sandybridge/raminit_mrc.c b/src/northbridge/intel/sandybridge/raminit_mrc.c
index a370eccd31..162caf6107 100644
--- a/src/northbridge/intel/sandybridge/raminit_mrc.c
+++ b/src/northbridge/intel/sandybridge/raminit_mrc.c
@@ -25,6 +25,7 @@
#include <pc80/mc146818rtc.h>
#include <device/pci_def.h>
#include <halt.h>
+#include <timestamp.h>
#include "raminit.h"
#include "pei_data.h"
#include "sandybridge.h"
@@ -279,3 +280,29 @@ void sdram_initialize(struct pei_data *pei_data)
report_memory_config();
}
+
+void perform_raminit(int s3resume)
+{
+ int cbmem_was_initted;
+ struct pei_data pei_data;
+
+ /* Prepare USB controller early in S3 resume */
+ if (!mainboard_should_reset_usb(s3resume))
+ enable_usb_bar();
+
+ mainboard_fill_pei_data(&pei_data);
+
+ post_code(0x3a);
+ pei_data.boot_mode = s3resume ? 2 : 0;
+ timestamp_add_now(TS_BEFORE_INITRAM);
+ sdram_initialize(&pei_data);
+ cbmem_was_initted = !cbmem_recovery(s3resume);
+ if (!s3resume)
+ save_mrc_data(&pei_data);
+
+ if (s3resume && !cbmem_was_initted) {
+ /* Failed S3 resume, reset to come up cleanly */
+ outb(0x6, 0xcf9);
+ halt();
+ }
+}
diff --git a/src/northbridge/intel/sandybridge/raminit_native.h b/src/northbridge/intel/sandybridge/raminit_native.h
index b41aa855aa..8f8d057313 100644
--- a/src/northbridge/intel/sandybridge/raminit_native.h
+++ b/src/northbridge/intel/sandybridge/raminit_native.h
@@ -13,17 +13,15 @@
* GNU General Public License for more details.
*/
-#ifndef RAMINIT_H
-#define RAMINIT_H
+#ifndef RAMINIT_NATIVE_H
+#define RAMINIT_NATIVE_H
+#include "sandybridge.h"
#include <device/dram/ddr3.h>
/* The order is ch0dimmA, ch0dimmB, ch1dimmA, ch1dimmB. */
void init_dram_ddr3(spd_raw_data *spds, int mobile, int min_tck, int s3resume);
void read_spd(spd_raw_data *spd, u8 addr);
void mainboard_get_spd(spd_raw_data *spd);
-void rcba_config(void);
-void pch_enable_lpc(void);
-void mainboard_early_init(int s3resume);
#endif /* RAMINIT_H */
diff --git a/src/northbridge/intel/sandybridge/romstage.c b/src/northbridge/intel/sandybridge/romstage.c
index 3d05f8e3fa..04db608f83 100644
--- a/src/northbridge/intel/sandybridge/romstage.c
+++ b/src/northbridge/intel/sandybridge/romstage.c
@@ -29,43 +29,23 @@
#include <device/device.h>
#include <halt.h>
#include <tpm.h>
-#include "raminit_native.h"
#include <northbridge/intel/sandybridge/chip.h>
#include "southbridge/intel/bd82x6x/pch.h"
#include "southbridge/intel/bd82x6x/gpio.h"
-#define HOST_BRIDGE PCI_DEVFN(0, 0)
-#define DEFAULT_TCK TCK_800MHZ
-
-static unsigned int get_mem_min_tck(void)
+static void early_pch_init(void)
{
- const struct device *dev;
- const struct northbridge_intel_sandybridge_config *cfg;
-
- dev = dev_find_slot(0, HOST_BRIDGE);
- if (!(dev && dev->chip_info))
- return DEFAULT_TCK;
-
- cfg = dev->chip_info;
-
- /* If this is zero, it just means devicetree.cb didn't set it */
- if (cfg->max_mem_clock_mhz == 0)
- return DEFAULT_TCK;
-
- if (cfg->max_mem_clock_mhz >= 800)
- return TCK_800MHZ;
- else if (cfg->max_mem_clock_mhz >= 666)
- return TCK_666MHZ;
- else if (cfg->max_mem_clock_mhz >= 533)
- return TCK_533MHZ;
- else
- return TCK_400MHZ;
+ u8 reg8;
+
+ // reset rtc power status
+ reg8 = pci_read_config8(PCH_LPC_DEV, 0xa4);
+ reg8 &= ~(1 << 2);
+ pci_write_config8(PCH_LPC_DEV, 0xa4, reg8);
}
void main(unsigned long bist)
{
int s3resume = 0;
- spd_raw_data spd[4];
if (MCHBAR16(SSKPD) == 0xCAFE) {
outb(0x6, 0xcf9);
@@ -86,7 +66,14 @@ void main(unsigned long bist)
setup_pch_gpios(&mainboard_gpio_map);
- early_usb_init(mainboard_usb_ports);
+ /* Initialize superio */
+ mainboard_config_superio();
+
+ /* USB is inited in MRC if MRC is used. */
+ if (!(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE_MRC
+ || CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE_MRC)) {
+ early_usb_init(mainboard_usb_ports);
+ }
/* Initialize console device(s) */
console_init();
@@ -111,27 +98,25 @@ void main(unsigned long bist)
post_code(0x39);
- post_code(0x3a);
-
- memset (spd, 0, sizeof (spd));
- mainboard_get_spd(spd);
-
- timestamp_add_now(TS_BEFORE_INITRAM);
-
- init_dram_ddr3(spd, 1, get_mem_min_tck(), s3resume);
+ perform_raminit(s3resume);
timestamp_add_now(TS_AFTER_INITRAM);
+
+ post_code(0x3b);
+ /* Perform some initialization that must run before stage2 */
+ early_pch_init();
post_code(0x3c);
southbridge_configure_default_intmap();
rcba_config();
+
post_code(0x3d);
northbridge_romstage_finalize(s3resume);
-#if CONFIG_LPC_TPM
- init_tpm(s3resume);
-#endif
+ if (CONFIG_LPC_TPM) {
+ init_tpm(s3resume);
+ }
post_code(0x3f);
}
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 0a1f20a06f..570e1f7864 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -215,8 +215,16 @@ void dump_pci_devices(void);
void dump_spd_registers(void);
void dump_mem(unsigned start, unsigned end);
void report_platform_info(void);
+
#endif /* !__SMM__ */
+void rcba_config(void);
+void pch_enable_lpc(void);
+void mainboard_early_init(int s3resume);
+void mainboard_config_superio(void);
+int mainboard_should_reset_usb(int s3resume);
+void perform_raminit(int s3resume);
+
#if ENV_RAMSTAGE
#include <device/device.h>