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authorCaveh Jalali <caveh@google.com>2018-01-17 17:40:27 -0800
committerAaron Durbin <adurbin@chromium.org>2018-01-25 15:56:20 +0000
commit6de0cd2b7d7c6611ac743575032d4163a6759f8c (patch)
treec852589a7b79edb7cce605baf223addb5bfb24b0 /src/mainboard
parentf56e71b4d20bf19a74562f4ea080fe467fc8e088 (diff)
downloadcoreboot-6de0cd2b7d7c6611ac743575032d4163a6759f8c.tar.xz
mainboard/google/zoombini: add ACPI entry for cr50
This adds coreboot device tree entries on zoombini & meowth for the cr50. Also, fixes the GPIO pin IRQ settings to be falling edge. This is based on what we do for fizz. BUG=b:71722449 TEST=booted to linux on meowth: tpm_version command now sees the cr50. localhost ~ # tpm_version TPM 2.0 Version Info: Chip Version: 2.0.0.0 Spec Family: 322e3000 Spec Family String: 2.0 Spec Level: 0 Spec Revision: 116 Manufacturer Info: 43524f53 Manufacturer String: CROS Vendor ID: xCG fTPM TPM Model: 00000001 Firmware Version: 0ad551830bcf7a82 localhost ~ # uname -a Linux localhost 4.14.13 #3 SMP PREEMPT Sat Jan 13 02:55:45 PST 2018 x86_64 Genuine Intel(R) CPU 0000 @ 1.00GHz GenuineIntel GNU/Linux localhost ~ # and we see interrupts when talking to the cr50: localhost ~ # grep cr50 /proc/interrupts ; tpm_version ; grep cr50 /proc/interru pts 84: 4687 IO-APIC 84-edge cr50_spi TPM 2.0 Version Info: Chip Version: 2.0.0.0 Spec Family: 322e3000 Spec Family String: 2.0 Spec Level: 0 Spec Revision: 116 Manufacturer Info: 43524f53 Manufacturer String: CROS Vendor ID: xCG fTPM TPM Model: 00000001 Firmware Version: 0ad551830bcf7a82 84: 4799 IO-APIC 84-edge cr50_spi localhost ~ # Change-Id: I9d503334502503ef49515e4a8736d967bc454a98 Signed-off-by: Caveh Jalali <caveh@google.com> Reviewed-on: https://review.coreboot.org/23310 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Lijian Zhao <lijian.zhao@intel.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/zoombini/variants/baseboard/devicetree.cb9
-rw-r--r--src/mainboard/google/zoombini/variants/baseboard/gpio.c5
-rw-r--r--src/mainboard/google/zoombini/variants/meowth/devicetree.cb9
-rw-r--r--src/mainboard/google/zoombini/variants/meowth/gpio.c9
4 files changed, 26 insertions, 6 deletions
diff --git a/src/mainboard/google/zoombini/variants/baseboard/devicetree.cb b/src/mainboard/google/zoombini/variants/baseboard/devicetree.cb
index da40baf1d9..44ea0bb5e1 100644
--- a/src/mainboard/google/zoombini/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/zoombini/variants/baseboard/devicetree.cb
@@ -91,7 +91,14 @@ chip soc/intel/cannonlake
device pci 1d.7 off end # PCI Express Port 16
device pci 1e.0 on end # UART #0
device pci 1e.1 off end # UART #1
- device pci 1e.2 on end # GSPI #0
+ device pci 1e.2 on
+ chip drivers/spi/acpi
+ register "hid" = "ACPI_DT_NAMESPACE_HID"
+ register "compat_string" = ""google,cr50""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_C12_IRQ)"
+ device spi 0 on end
+ end
+ end # GSPI #0
device pci 1e.3 on end # GSPI #1
device pci 1f.0 on
chip ec/google/chromeec
diff --git a/src/mainboard/google/zoombini/variants/baseboard/gpio.c b/src/mainboard/google/zoombini/variants/baseboard/gpio.c
index 1626c38403..47894d020f 100644
--- a/src/mainboard/google/zoombini/variants/baseboard/gpio.c
+++ b/src/mainboard/google/zoombini/variants/baseboard/gpio.c
@@ -89,7 +89,8 @@ static const struct pad_config gpio_table[] = {
/* UART0_TXD */
/* UART0_RTS# */ PAD_NC(GPP_C10, NONE),
/* UART0_CTS# */ PAD_NC(GPP_C11, NONE),
-/* UART1_RXD */ PAD_CFG_GPI(GPP_C12, NONE, DEEP), /* H1_PCH_INT_ODL */
+/* UART1_RXD */ PAD_CFG_GPI_APIC(GPP_C12, NONE, DEEP, EDGE_SINGLE,
+ INVERT), /* H1_PCH_INT_ODL */
/* UART1_TXD */ PAD_CFG_GPI(GPP_C13, NONE, DEEP), /* TRACKPAD_INT_ODL */
/* UART1_RTS# */ PAD_CFG_GPI(GPP_C14, NONE, DEEP),
/* TOUCHSCREEN_INT_ODL */
@@ -250,6 +251,8 @@ static const struct pad_config early_gpio_table[] = {
/* Ensure UART pins are in native mode for H1. */
/* UART0_RXD */ /* UART_PCH_RX_DEBUG_TX */
/* UART0_TXD */ /* UART_PCH_RX_DEBUG_RX */
+/* UART1_RXD */ PAD_CFG_GPI_APIC(GPP_C12, NONE, DEEP, EDGE_SINGLE,
+ INVERT), /* H1_PCH_INT_ODL */
};
const struct pad_config *__attribute__((weak)) variant_gpio_table(size_t *num)
diff --git a/src/mainboard/google/zoombini/variants/meowth/devicetree.cb b/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
index 2317c90b50..aed4a19527 100644
--- a/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
+++ b/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
@@ -97,7 +97,14 @@ chip soc/intel/cannonlake
device pci 1d.7 off end # PCI Express Port 16
device pci 1e.0 on end # UART #0
device pci 1e.1 off end # UART #1
- device pci 1e.2 on end # GSPI #0
+ device pci 1e.2 on
+ chip drivers/spi/acpi
+ register "hid" = "ACPI_DT_NAMESPACE_HID"
+ register "compat_string" = ""google,cr50""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_C12_IRQ)"
+ device spi 0 on end
+ end
+ end # GSPI #0
device pci 1e.3 on
chip drivers/spi/acpi
register "hid" = "ACPI_DT_NAMESPACE_HID"
diff --git a/src/mainboard/google/zoombini/variants/meowth/gpio.c b/src/mainboard/google/zoombini/variants/meowth/gpio.c
index 790567f150..e0eaa9d259 100644
--- a/src/mainboard/google/zoombini/variants/meowth/gpio.c
+++ b/src/mainboard/google/zoombini/variants/meowth/gpio.c
@@ -98,8 +98,9 @@ static const struct pad_config gpio_table[] = {
NF1), /* UART_PCH_TX_DEBUG_RX */
/* UART0_RTS# */ PAD_CFG_GPO(GPP_C10, 0, DEEP), /* PP3300_TOUCH_EN */
/* UART0_CTS# */ PAD_NC(GPP_C11, NONE),
-/* UART1_RXD */ PAD_CFG_GPI_SCI_LOW(GPP_C12, NONE, DEEP,
- LEVEL), /* H1_PCH_INT_ODL */
+/* Only P0 boards need an internal pullup */
+/* UART1_RXD */ PAD_CFG_GPI_APIC(GPP_C12, UP_20K, DEEP, EDGE_SINGLE,
+ INVERT), /* H1_PCH_INT_ODL */
/* UART1_TXD */ PAD_NC(GPP_C13, NONE),
/* UART1_RTS# */ PAD_CFG_GPI_SCI(GPP_C14, NONE, DEEP, EDGE_SINGLE,
NONE), /* TOUCHSCREEN_INT_ODL */
@@ -271,7 +272,9 @@ static const struct pad_config early_gpio_table[] = {
/* GSPI0_MISO */ PAD_NC(GPP_B17, NONE),
/* GSPI0_MOSI */ PAD_NC(GPP_B18, NONE),
#endif
-/* UART1_RXD */ PAD_CFG_GPI_SCI_LOW(GPP_C12, NONE, DEEP, LEVEL),
+/* Only P0 boards need an internal pullup */
+/* UART1_RXD */ PAD_CFG_GPI_APIC(GPP_C12, UP_20K, DEEP, EDGE_SINGLE,
+ INVERT), /* H1_PCH_INT_ODL */
};
const struct pad_config *variant_gpio_table(size_t *num)