rambi/baytrail: ACPI, GPIO, audio, misc updates

rambi: Change RAM_ID GPIOs to GPIO_INPUT
Reviewed-on: https://chromium-review.googlesource.com/182934
(cherry picked from commit 8afd981a091a3711ff3b55520fe73f57f7258cc0)

baytrail: initialize rtc device
Reviewed-on: https://chromium-review.googlesource.com/183051
(cherry picked from commit 1b80d71e4942310bd7e83c5565c6a06c30811821)

baytrail: Set SOC power budget values for SdpProfile 2&3
Reviewed-on: https://chromium-review.googlesource.com/183101
(cherry picked from commit 87d49323cac4492c23f910bd7d43b83b3c8a9b55)

baytrail: Set PMC PTPS register correctly
Reviewed-on: https://chromium-review.googlesource.com/183280
(cherry picked from commit 1b520b577f2bf1b124db301f57421665b637f9ad)

baytrail: update to version 809 microcode for c0
Reviewed-on: https://chromium-review.googlesource.com/183256
(cherry picked from commit 8ed0ef4c3bed1196256c691be5b80563b81baa5e)

baytrail: Add a shared GNVS init function
Reviewed-on: https://chromium-review.googlesource.com/183332
(cherry picked from commit 969dffda1d3d0adaee58d604b6eeea13a41a408c)

baytrail: Add basic support for ACPI System Wake Source
Reviewed-on: https://chromium-review.googlesource.com/183333
(cherry picked from commit a6b85ad950fb3a51d12cb91c869420b72b433619)

baytrail: allow configuration of io hole size
Reviewed-on: https://chromium-review.googlesource.com/183269
(cherry picked from commit 95a79aff57ec7bf4bcbf0207a017c9dab10c1919)

baytrail: add in C0 stepping idenitification support.
Reviewed-on: https://chromium-review.googlesource.com/183594
(cherry picked from commit 8ad02684b25f2870cdea334fbd081f0ef4467cd4)

baytrail: add option for enabling PS2 mode
Reviewed-on: https://chromium-review.googlesource.com/183595
(cherry picked from commit c92db75de5edc2ff745c1d40155e8b654ad3d49f)

rambi: enable PS2 mode for VNN and VCC
Reviewed-on: https://chromium-review.googlesource.com/183596
(cherry picked from commit 821ce0e72c93adb60404a4dc4ff8c0f6285cbdf9)

baytrail: add config option for disabling slp_x stretching
Reviewed-on: https://chromium-review.googlesource.com/183587
(cherry picked from commit f99804c2649bef436644dd300be2a595659ceece)

rambi: disable slp_x stretching after sus fail
Reviewed-on: https://chromium-review.googlesource.com/183588
(cherry picked from commit 753fadb6b9e90fc8d1c5092d50b20a2826d8d880)

baytrail: ACPI_ENABLE_WAKE_SUS_GPIO macro for ACPI
Reviewed-on: https://chromium-review.googlesource.com/183597
(cherry picked from commit 78775098a87f46b3bb66ade124753a195a5fa906)

rambi: fix trackpad and touchscreen wake sources
Reviewed-on: https://chromium-review.googlesource.com/183598
(cherry picked from commit 3022c82b020f4cafeb5be7978eef6045d1408cd5)

baytrail: Add support for LPE device in ACPI mode
Reviewed-on: https://chromium-review.googlesource.com/184006
(cherry picked from commit 398387ed75a63ce5a6033239ac24b5e1d77c8c9f)

rambi: Add LPE GPIOs for Jack/Mic detect
Reviewed-on: https://chromium-review.googlesource.com/184007
(cherry picked from commit edde584bb23bae1e703481e0f33a1f036373a578)

rambi: Set TSRx passive threshold to 60C
Reviewed-on: https://chromium-review.googlesource.com/184008
(cherry picked from commit 1d6aeb85fd1af64d5f7c564c6709a1cf6daad5ee)

baytrail: DPTF: Add PPCC object for power limit information
Reviewed-on: https://chromium-review.googlesource.com/184158
(cherry picked from commit e9c002c393d8b4904f9d57c5c8e7cf1dfce5049b)

baytrail: DPTF: Add _CRT/_PSV objects for the CPU participant
Reviewed-on: https://chromium-review.googlesource.com/184442
(cherry picked from commit e04c20962aede1aa9e6899bd3072daa82e8613bd)

rambi: Move the CPU passive/critical threshold config to DPTF
Reviewed-on: https://chromium-review.googlesource.com/184443
(cherry picked from commit dda468793143a6d288981b6d7e1cd5ef4514c2ac)

baytrail: Fix XHCI controller reset on resume
Reviewed-on: https://chromium-review.googlesource.com/184500
(cherry picked from commit 0457b5dce1860709fcce1407e42ae83023b463cd)

baytrail: update lpe audio firmware location
Reviewed-on: https://chromium-review.googlesource.com/184481
(cherry picked from commit 0472e6bd45cb069fbe4939c6de499e03c3707ba6)

rambi: Put LPSS devices in ACPI mode
Reviewed-on: https://chromium-review.googlesource.com/184530
(cherry picked from commit 52bec109860b95e2d6260d5433f33d0923a05ce1)

baytrail: initialize HDA device and HDMI codec
Reviewed-on: https://chromium-review.googlesource.com/184710
(cherry picked from commit 393198705034aa9c6935615dda6eba8b6bd5c961)

baytrail: provide GPIO_ACPI_WAKE configuration
Reviewed-on: https://chromium-review.googlesource.com/184718
(cherry picked from commit 44558c3346f5b96cf7b3dcb25a23b4e99855497b)

rambi: configure wake pins as just wake sources
Reviewed-on: https://chromium-review.googlesource.com/184719
(cherry picked from commit ee4620a90a131dce49f96b2da7f0a3bb70b13115)

baytrail: I2C: Add config data to ACPI Device
Reviewed-on: https://chromium-review.googlesource.com/184922
(cherry picked from commit ffb73af007e77faf497fbc3321c8163d18c24ec8)

Squashed 28 commits for rambi and baytrail.

Change-Id: If6060681bb5dc9432a54e6f3c6af9d8080debad8
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6916
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>

1 files changed, 31 insertions, 5 deletions

diff --git a/src/soc/intel/baytrail/romstage/pmc.c b/src/soc/intel/baytrail/romstage/pmc.c
index 49a80111f5..c58a42c37e 100644
--- a/src/soc/intel/baytrail/romstage/pmc.c
+++ b/src/soc/intel/baytrail/romstage/pmc.c
@@ -19,11 +19,16 @@
 
 #include <stddef.h>
 #include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci_def.h>
 #include <baytrail/iomap.h>
 #include <baytrail/iosf.h>
+#include <baytrail/lpc.h>
 #include <baytrail/pci_devs.h>
 #include <baytrail/pmc.h>
 #include <baytrail/romstage.h>
+#include "../chip.h"
 
 void tco_disable(void)
 {
@@ -38,13 +43,34 @@ void tco_disable(void)
 void punit_init(void)
 {
 	uint32_t reg;
+	uint8_t rid;
+	const struct device *dev;
+	const struct soc_intel_baytrail_config *cfg = NULL;
 
+	rid = pci_read_config8(IOSF_PCI_DEV, REVID);
+	dev = dev_find_slot(0, PCI_DEVFN(SOC_DEV, SOC_FUNC));
+
+	if (dev)
+		cfg = dev->chip_info;
+
+	reg = iosf_punit_read(SB_BIOS_CONFIG);
 	/* Write bits 17:16 of SB_BIOS_CONFIG in the PUNIT. */
-	reg = SB_BIOS_CONFIG_PERF_MODE | SB_BIOS_CONFIG_PDM_MODE;
-	pci_write_config32(IOSF_PCI_DEV, MDR_REG, reg);
-	reg = IOSF_OPCODE(IOSF_OP_WRITE_PMC) | IOSF_PORT(IOSF_PORT_PMC) |
-	     IOSF_REG(SB_BIOS_CONFIG) | IOSF_BYTE_EN_2;
-	pci_write_config32(IOSF_PCI_DEV, MCR_REG, reg);
+	reg |= SB_BIOS_CONFIG_PERF_MODE | SB_BIOS_CONFIG_PDM_MODE;
+	/* Configure VR low power mode for C0 and above. */
+	if (rid >= RID_C_STEPPING_START && cfg != NULL &&
+	    (cfg->vnn_ps2_enable || cfg->vcc_ps2_enable)) {
+		printk(BIOS_DEBUG, "Enabling VR PS2 mode: ");
+		if (cfg->vnn_ps2_enable) {
+			reg |= SB_BIOS_CONFIG_PS2_EN_VNN;
+			printk(BIOS_DEBUG, "VNN ");
+		}
+		if (cfg->vcc_ps2_enable) {
+			reg |= SB_BIOS_CONFIG_PS2_EN_VCC;
+			printk(BIOS_DEBUG, "VCC ");
+		}
+		printk(BIOS_DEBUG, "\n");
+	}
+	iosf_punit_write(SB_BIOS_CONFIG, reg);
 
 	/* Write bits 1:0 of BIOS_RESET_CPL in the PUNIT. */
 	reg = BIOS_RESET_CPL_ALL_DONE | BIOS_RESET_CPL_RESET_DONE;