summaryrefslogtreecommitdiff
path: root/src/soc/intel/baytrail/lpe.c
diff options
context:
space:
mode:
authorShawn Nematbakhsh <shawnn@chromium.org>2014-01-16 17:52:21 -0800
committerIsaac Christensen <isaac.christensen@se-eng.com>2014-09-18 01:23:14 +0200
commit51d787a5cf8b65aff0800743437443e416845655 (patch)
tree01bdc4c1864e4de68d87b487459aaf8d76e9cb90 /src/soc/intel/baytrail/lpe.c
parent1f279b68b6fe312b99b8969c659c87c57760c450 (diff)
downloadcoreboot-51d787a5cf8b65aff0800743437443e416845655.tar.xz
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>
Diffstat (limited to 'src/soc/intel/baytrail/lpe.c')
-rw-r--r--src/soc/intel/baytrail/lpe.c104
1 files changed, 85 insertions, 19 deletions
diff --git a/src/soc/intel/baytrail/lpe.c b/src/soc/intel/baytrail/lpe.c
index 24daf5575d..581f42bfa9 100644
--- a/src/soc/intel/baytrail/lpe.c
+++ b/src/soc/intel/baytrail/lpe.c
@@ -18,12 +18,18 @@
*/
#include <arch/io.h>
+#include <cbmem.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
+#include <reg_script.h>
#include <baytrail/iomap.h>
+#include <baytrail/iosf.h>
+#include <baytrail/lpc.h>
+#include <baytrail/nvs.h>
+#include <baytrail/pattrs.h>
#include <baytrail/pci_devs.h>
#include <baytrail/pmc.h>
#include <baytrail/ramstage.h>
@@ -34,8 +40,52 @@
* address. Just take 1MiB @ 512MiB. */
#define FIRMWARE_PHYS_BASE (512 << 20)
#define FIRMWARE_PHYS_LENGTH (1 << 20)
-#define FIRMWARE_REG_BASE 0xa8
-#define FIRMWARE_REG_LENGTH 0xac
+#define FIRMWARE_PCI_REG_BASE 0xa8
+#define FIRMWARE_PCI_REG_LENGTH 0xac
+#define FIRMWARE_REG_BASE_C0 0x144000
+#define FIRMWARE_REG_LENGTH_C0 (FIRMWARE_REG_BASE_C0 + 4)
+
+static void assign_device_nvs(device_t dev, u32 *field, unsigned index)
+{
+ struct resource *res;
+
+ res = find_resource(dev, index);
+ if (res)
+ *field = res->base;
+}
+
+static void lpe_enable_acpi_mode(device_t dev)
+{
+ static const struct reg_script ops[] = {
+ /* Disable PCI interrupt, enable Memory and Bus Master */
+ REG_PCI_OR32(PCI_COMMAND,
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | (1<<10)),
+ /* Enable ACPI mode */
+ REG_IOSF_OR(IOSF_PORT_0x58, LPE_PCICFGCTR1,
+ LPE_PCICFGCTR1_PCI_CFG_DIS |
+ LPE_PCICFGCTR1_ACPI_INT_EN),
+ REG_SCRIPT_END
+ };
+ global_nvs_t *gnvs;
+
+ /* Find ACPI NVS to update BARs */
+ gnvs = (global_nvs_t *)cbmem_find(CBMEM_ID_ACPI_GNVS);
+ if (!gnvs) {
+ printk(BIOS_ERR, "Unable to locate Global NVS\n");
+ return;
+ }
+
+ /* Save BAR0, BAR1, and firmware base to ACPI NVS */
+ assign_device_nvs(dev, &gnvs->dev.lpe_bar0, PCI_BASE_ADDRESS_0);
+ assign_device_nvs(dev, &gnvs->dev.lpe_bar1, PCI_BASE_ADDRESS_1);
+ assign_device_nvs(dev, &gnvs->dev.lpe_fw, FIRMWARE_PCI_REG_BASE);
+
+ /* Device is enabled in ACPI mode */
+ gnvs->dev.lpe_en = 1;
+
+ /* Put device in ACPI mode */
+ reg_script_run_on_dev(dev, ops);
+}
static void setup_codec_clock(device_t dev)
{
@@ -75,38 +125,54 @@ static void setup_codec_clock(device_t dev)
write32(clk_reg, (read32(clk_reg) & ~0x7) | reg);
}
+static void lpe_stash_firmware_info(device_t dev)
+{
+ struct resource *res;
+ struct resource *mmio;
+ const struct pattrs *pattrs = pattrs_get();
+
+ res = find_resource(dev, FIRMWARE_PCI_REG_BASE);
+ if (res == NULL) {
+ printk(BIOS_DEBUG, "LPE Firmware memory not found.\n");
+ return;
+ }
+
+ /* Continue using old way of informing firmware address / size. */
+ pci_write_config32(dev, FIRMWARE_PCI_REG_BASE, res->base);
+ pci_write_config32(dev, FIRMWARE_PCI_REG_LENGTH, res->size);
+
+ /* C0 and later steppings use an offset in the MMIO space. */
+ if (pattrs->stepping >= STEP_C0) {
+ mmio = find_resource(dev, PCI_BASE_ADDRESS_0);
+ write32(mmio->base + FIRMWARE_REG_BASE_C0, res->base);
+ write32(mmio->base + FIRMWARE_REG_LENGTH_C0, res->size);
+ }
+}
+
static void lpe_init(device_t dev)
{
+ struct soc_intel_baytrail_config *config = dev->chip_info;
+
+ lpe_stash_firmware_info(dev);
+
setup_codec_clock(dev);
+
+ if (config->lpe_acpi_mode)
+ lpe_enable_acpi_mode(dev);
}
static void lpe_read_resources(device_t dev)
{
pci_dev_read_resources(dev);
- reserved_ram_resource(dev, FIRMWARE_REG_BASE,
+ reserved_ram_resource(dev, FIRMWARE_PCI_REG_BASE,
FIRMWARE_PHYS_BASE >> 10,
FIRMWARE_PHYS_LENGTH >> 10);
}
-static void lpe_set_resources(device_t dev)
-{
- struct resource *res;
-
- pci_dev_set_resources(dev);
-
- res = find_resource(dev, FIRMWARE_REG_BASE);
- if (res == NULL) {
- printk(BIOS_DEBUG, "LPE Firmware memory not found.\n");
- return;
- }
- pci_write_config32(dev, FIRMWARE_REG_BASE, res->base);
- pci_write_config32(dev, FIRMWARE_REG_LENGTH, res->size);
-}
-
static const struct device_operations device_ops = {
.read_resources = lpe_read_resources,
- .set_resources = lpe_set_resources,
+ .set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = lpe_init,
.enable = NULL,