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authorJon Murphy <jpmurphy@google.com>2023-05-03 20:48:26 -0600
committerFelix Held <felix-coreboot@felixheld.de>2023-05-08 13:14:28 +0000
commitc20afb801af05f3fc48446727251ffbda230cd71 (patch)
tree3ed830d44cc13e6505608ffaf6ca194aaf1c7f16 /src/mainboard/google/myst
parent33c666587a77608abe6b387fe97fc99a1681d24c (diff)
mb/google/myst: Add eMMC/NVMe config support
Add FW_CONFIG item for eMMC/NVMe support and address the init of the lanes based on said config. BUG=b:278877257 TEST=builds Change-Id: Id6452f497cf78549b7d6126f1b55cd6d45b403c3 Signed-off-by: Jon Murphy <jpmurphy@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74957 Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Reviewed-by: Raul Rangel <rrangel@chromium.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Van Patten <timvp@google.com> Reviewed-by: Mark Hasemeyer <markhas@google.com> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src/mainboard/google/myst')
-rw-r--r--src/mainboard/google/myst/port_descriptors.c54
-rw-r--r--src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h6
-rw-r--r--src/mainboard/google/myst/variants/myst/overridetree.cb4
3 files changed, 49 insertions, 15 deletions
diff --git a/src/mainboard/google/myst/port_descriptors.c b/src/mainboard/google/myst/port_descriptors.c
index 703b74b821..6d0d0d6ff9 100644
--- a/src/mainboard/google/myst/port_descriptors.c
+++ b/src/mainboard/google/myst/port_descriptors.c
@@ -1,12 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <baseboard/variants.h>
+#include <console/console.h>
+#include <fw_config.h>
#include <gpio.h>
#include <soc/platform_descriptors.h>
#include <types.h>
-static const fsp_dxio_descriptor myst_dxio_descriptors[] = {
- { /* WWAN */
+static fsp_dxio_descriptor myst_dxio_descriptors[] = {
+ [DXIO_WWAN] = {
.engine_type = UNUSED_ENGINE,
.port_present = true,
.start_logical_lane = 13,
@@ -17,7 +19,7 @@ static const fsp_dxio_descriptor myst_dxio_descriptors[] = {
.turn_off_unused_lanes = true,
.clk_req = CLK_REQ2,
},
- { /* WLAN */
+ [DXIO_WLAN] = {
.engine_type = PCIE_ENGINE,
.port_present = true,
.start_logical_lane = 14,
@@ -28,7 +30,7 @@ static const fsp_dxio_descriptor myst_dxio_descriptors[] = {
.turn_off_unused_lanes = true,
.clk_req = CLK_REQ0,
},
- { /* SD */
+ [DXIO_SD] = {
.engine_type = PCIE_ENGINE,
.port_present = true,
.start_logical_lane = 15,
@@ -40,17 +42,31 @@ static const fsp_dxio_descriptor myst_dxio_descriptors[] = {
.link_hotplug = 3,
.clk_req = CLK_REQ1,
},
- { /* SSD */
- .engine_type = PCIE_ENGINE,
- .port_present = true,
- .start_logical_lane = 16,
- .end_logical_lane = 19,
- .device_number = PCI_SLOT(NVME_DEVFN),
- .function_number = PCI_FUNC(NVME_DEVFN),
- .link_speed_capability = GEN_MAX,
- .turn_off_unused_lanes = true,
- .clk_req = CLK_REQ3,
- },
+ [DXIO_STORAGE] = { 0 },
+};
+
+static const fsp_dxio_descriptor emmc_descriptor = {
+ .engine_type = PCIE_ENGINE,
+ .port_present = true,
+ .start_logical_lane = 16,
+ .end_logical_lane = 16,
+ .device_number = PCI_SLOT(NVME_DEVFN),
+ .function_number = PCI_FUNC(NVME_DEVFN),
+ .link_speed_capability = GEN_MAX,
+ .turn_off_unused_lanes = true,
+ .clk_req = CLK_REQ3,
+};
+
+static const fsp_dxio_descriptor nvme_descriptor = {
+ .engine_type = PCIE_ENGINE,
+ .port_present = true,
+ .start_logical_lane = 16,
+ .end_logical_lane = 19,
+ .device_number = PCI_SLOT(NVME_DEVFN),
+ .function_number = PCI_FUNC(NVME_DEVFN),
+ .link_speed_capability = GEN_MAX,
+ .turn_off_unused_lanes = true,
+ .clk_req = CLK_REQ3,
};
static const fsp_ddi_descriptor myst_ddi_descriptors[] = {
@@ -85,6 +101,14 @@ void mainboard_get_dxio_ddi_descriptors(
const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num,
const fsp_ddi_descriptor **ddi_descs, size_t *ddi_num)
{
+ if (fw_config_is_provisioned() && fw_config_probe(FW_CONFIG(STORAGE, NVME))) {
+ printk(BIOS_DEBUG, "Enabling NVMe.\n");
+ myst_dxio_descriptors[DXIO_STORAGE] = nvme_descriptor;
+ } else {
+ printk(BIOS_DEBUG, "Enabling eMMC.\n");
+ myst_dxio_descriptors[DXIO_STORAGE] = emmc_descriptor;
+ }
+
*dxio_descs = myst_dxio_descriptors;
*dxio_num = ARRAY_SIZE(myst_dxio_descriptors);
*ddi_descs = myst_ddi_descriptors;
diff --git a/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h
index a3fd355ef1..6446763152 100644
--- a/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h
@@ -12,6 +12,12 @@
#define SD_DEVFN PCIE_GPP_2_3_DEVFN
#define NVME_DEVFN PCIE_GPP_2_4_DEVFN
+enum dxio_port_id {
+ DXIO_WWAN,
+ DXIO_WLAN,
+ DXIO_SD,
+ DXIO_STORAGE
+};
/* This function provides base GPIO configuration table. */
void baseboard_gpio_table(const struct soc_amd_gpio **gpio, size_t *size);
diff --git a/src/mainboard/google/myst/variants/myst/overridetree.cb b/src/mainboard/google/myst/variants/myst/overridetree.cb
index 989a17ccb9..4433d9ac53 100644
--- a/src/mainboard/google/myst/variants/myst/overridetree.cb
+++ b/src/mainboard/google/myst/variants/myst/overridetree.cb
@@ -26,6 +26,10 @@ fw_config
option DISABLED 0
option ENABLED 1
end
+ field STORAGE 11
+ option EMMC 0
+ option NVME 1
+ end
end
chip soc/amd/phoenix