Change in coreboot[master]: acpi: [TESTONLY] add debug print to SSDT

[Rizwan Qureshi (Code Review)]

Rizwan Qureshi has uploaded this change for review. ( https://review.coreboot.org/21730

Change subject: acpi: [TESTONLY] add debug print to SSDT
......................................................................

acpi: [TESTONLY] add debug print to SSDT

Change-Id: I8e85c41999bd8c93bcc67b17a914cba6ac57ad9e
Signed-off-by: Rizwan Qureshi 
---
M src/arch/x86/acpi_device.c
M src/arch/x86/include/arch/acpi_device.h
M src/drivers/i2c/generic/chip.h
M src/drivers/i2c/generic/generic.c
M src/drivers/spi/acpi/acpi.c
M src/drivers/spi/acpi/chip.h
M src/mainboard/google/poppy/variants/soraka/devicetree.cb
7 files changed, 13 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/30/21730/1

diff --git a/src/arch/x86/acpi_device.c b/src/arch/x86/acpi_device.c
index 31e59ea..afd95ab 100644
--- a/src/arch/x86/acpi_device.c
+++ b/src/arch/x86/acpi_device.c
@@ -470,6 +470,7 @@

/* PowerResource() with Enable and/or Reset control */
 void acpi_device_add_power_res(
+	u8 debug,
    struct acpi_gpio *reset, unsigned int reset_delay_ms,
    struct acpi_gpio *enable, unsigned int enable_delay_ms,
    struct acpi_gpio *stop, unsigned int stop_delay_ms)
@@ -491,6 +492,8 @@

/* Method (_ON, 0, Serialized) */
    acpigen_write_method_serialized("_ON", 0);
+	if (debug)
+		acpigen_write_debug_string("ACPI _ON method entry");
    if (reset_gpio)
    	acpigen_enable_tx_gpio(reset);
    if (enable_gpio) {
@@ -512,6 +515,8 @@

/* Method (_OFF, 0, Serialized) */
    acpigen_write_method_serialized("_OFF", 0);
+	if (debug)
+		acpigen_write_debug_string("ACPI _OFF method entry");
    if (stop_gpio)
    	acpigen_enable_tx_gpio(stop);
    if (reset_gpio)
diff --git a/src/arch/x86/include/arch/acpi_device.h b/src/arch/x86/include/arch/acpi_device.h
index d4d82fc..279a362 100644
--- a/src/arch/x86/include/arch/acpi_device.h
+++ b/src/arch/x86/include/arch/acpi_device.h
@@ -316,6 +316,7 @@
  * Stop - Stop / start operation of device.
  */
 void acpi_device_add_power_res(
+	u8 debug,
    struct acpi_gpio *reset, unsigned int reset_delay_ms,
    struct acpi_gpio *enable, unsigned int enable_delay_ms,
    struct acpi_gpio *stop, unsigned int stop_delay_ms);
diff --git a/src/drivers/i2c/generic/chip.h b/src/drivers/i2c/generic/chip.h
index 037a800..acba22e 100644
--- a/src/drivers/i2c/generic/chip.h
+++ b/src/drivers/i2c/generic/chip.h
@@ -66,6 +66,8 @@
    /* Delay to be inserted after disabling stop. */
    unsigned stop_delay_ms;

+	u8 power_res_debug;
+
    /* Generic properties for exporting device-specific data to the OS */
    struct acpi_dp property_list[MAX_GENERIC_PROPERTY_LIST];
    int property_count;
diff --git a/src/drivers/i2c/generic/generic.c b/src/drivers/i2c/generic/generic.c
index 13f8393..9ed74c4 100644
--- a/src/drivers/i2c/generic/generic.c
+++ b/src/drivers/i2c/generic/generic.c
@@ -144,6 +144,7 @@
    /* Power Resource */
    if (config->has_power_resource)
    	acpi_device_add_power_res(
+			config->power_res_debug,
    		&config->reset_gpio, config->reset_delay_ms,
    		&config->enable_gpio, config->enable_delay_ms,
    		&config->stop_gpio, config->stop_delay_ms);
diff --git a/src/drivers/spi/acpi/acpi.c b/src/drivers/spi/acpi/acpi.c
index d36a03a..fd21ca1 100644
--- a/src/drivers/spi/acpi/acpi.c
+++ b/src/drivers/spi/acpi/acpi.c
@@ -167,6 +167,7 @@
    /* Power Resource */
    if (config->has_power_resource)
    	acpi_device_add_power_res(
+			config->power_res_debug,
    		&config->reset_gpio, config->reset_delay_ms,
    		&config->enable_gpio, config->enable_delay_ms,
    		&config->stop_gpio, config->stop_delay_ms);
diff --git a/src/drivers/spi/acpi/chip.h b/src/drivers/spi/acpi/chip.h
index 35341d3..a334ca9 100644
--- a/src/drivers/spi/acpi/chip.h
+++ b/src/drivers/spi/acpi/chip.h
@@ -48,6 +48,8 @@
    /* Delay to be inserted after device is enabled. */
    unsigned enable_delay_ms;

+	u8 power_res_debug;
+
    /* GPIO used to stop operation of device. */
    struct acpi_gpio stop_gpio;
    /* Delay to be inserted after disabling stop. */
diff --git a/src/mainboard/google/poppy/variants/soraka/devicetree.cb b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
index 6d4e8a5..d011924 100644
--- a/src/mainboard/google/poppy/variants/soraka/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
@@ -288,6 +288,7 @@
    			register "generic.has_power_resource" = "1"
    			register "generic.disable_gpio_export_in_crs" = "1"
    			register "hid_desc_reg_offset" = "0x1"
+				register "generic.power_res_debug" = "1"
    			device i2c 0xA on end
    		end
    	end # I2C #0