diff options
Diffstat (limited to 'config/coreboot/default/patches/0014-ec-dell-mec5035-Add-S3-suspend-SMI-handler.patch')
| -rw-r--r-- | config/coreboot/default/patches/0014-ec-dell-mec5035-Add-S3-suspend-SMI-handler.patch | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/config/coreboot/default/patches/0014-ec-dell-mec5035-Add-S3-suspend-SMI-handler.patch b/config/coreboot/default/patches/0014-ec-dell-mec5035-Add-S3-suspend-SMI-handler.patch index bfbddae1..1340effa 100644 --- a/config/coreboot/default/patches/0014-ec-dell-mec5035-Add-S3-suspend-SMI-handler.patch +++ b/config/coreboot/default/patches/0014-ec-dell-mec5035-Add-S3-suspend-SMI-handler.patch @@ -1,7 +1,7 @@ -From aadef041f002b9f0504fcc67df39654680d67bdd Mon Sep 17 00:00:00 2001 +From 0a982ec4b606b6c236f71478350b69f532f30719 Mon Sep 17 00:00:00 2001 From: Nicholas Chin <nic.c3.14@gmail.com> Date: Fri, 3 May 2024 11:03:32 -0600 -Subject: [PATCH 14/40] ec/dell/mec5035: Add S3 suspend SMI handler +Subject: [PATCH 14/41] ec/dell/mec5035: Add S3 suspend SMI handler This is necessary for S3 resume to work on SNB and newer Dell Latitude laptops. If a command isn't sent, the EC cuts power to the DIMMs, @@ -28,10 +28,10 @@ Change-Id: I655868aba46911d128f6c24f410dc6fdf83f3070 Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com> --- src/ec/dell/mec5035/Makefile.mk | 1 + - src/ec/dell/mec5035/mec5035.c | 14 ++++++++++++++ + src/ec/dell/mec5035/mec5035.c | 13 +++++++++++++ src/ec/dell/mec5035/mec5035.h | 22 ++++++++++++++++++++++ src/ec/dell/mec5035/smihandler.c | 17 +++++++++++++++++ - 4 files changed, 54 insertions(+) + 4 files changed, 53 insertions(+) create mode 100644 src/ec/dell/mec5035/smihandler.c diff --git a/src/ec/dell/mec5035/Makefile.mk b/src/ec/dell/mec5035/Makefile.mk @@ -46,13 +46,13 @@ index 4ebdd811f9..be557e4599 100644 endif diff --git a/src/ec/dell/mec5035/mec5035.c b/src/ec/dell/mec5035/mec5035.c -index dffbb7960c..85c2ab0140 100644 +index 17ac2c1dab..c5067c16f6 100644 --- a/src/ec/dell/mec5035/mec5035.c +++ b/src/ec/dell/mec5035/mec5035.c -@@ -94,6 +94,20 @@ void mec5035_control_radio(enum ec_radio_dev dev, enum ec_radio_state state) - ec_command(CMD_RADIO_CTRL); +@@ -100,6 +100,19 @@ static void mec5035_power_button_route(enum ec_power_button_route target) + write_mailbox_regs(&buf, 2, 1); + ec_command(CMD_POWER_BUTTON_TO_HOST); } - +void mec5035_change_wake(u8 source, enum ec_wake_change change) +{ + u8 buf[ACPI_WAKEUP_NUM_ARGS] = {change, source, 0, 0x40}; @@ -66,15 +66,14 @@ index dffbb7960c..85c2ab0140 100644 + write_mailbox_regs(buf, 2, SLEEP_EN_NUM_ARGS); + ec_command(CMD_SLEEP_ENABLE); +} -+ + void mec5035_early_init(void) { - /* If this isn't sent the EC shuts down the system after about 15 diff --git a/src/ec/dell/mec5035/mec5035.h b/src/ec/dell/mec5035/mec5035.h -index 32f791cb01..8d4fded28b 100644 +index 5fdf56631b..5cd907bf71 100644 --- a/src/ec/dell/mec5035/mec5035.h +++ b/src/ec/dell/mec5035/mec5035.h -@@ -4,12 +4,15 @@ +@@ -4,6 +4,7 @@ #define _EC_DELL_MEC5035_H_ #include <stdint.h> @@ -82,16 +81,17 @@ index 32f791cb01..8d4fded28b 100644 #define NUM_REGISTERS 32 - enum mec5035_cmd { +@@ -11,6 +12,8 @@ enum mec5035_cmd { CMD_MOUSE_TP = 0x1a, CMD_RADIO_CTRL = 0x2b, + CMD_POWER_BUTTON_TO_HOST = 0x3e, + CMD_ACPI_WAKEUP_CHANGE = 0x4a, + CMD_SLEEP_ENABLE = 0x64, CMD_CPU_OK = 0xc2, }; -@@ -33,9 +36,28 @@ enum ec_radio_state { - RADIO_ON +@@ -39,9 +42,28 @@ enum ec_power_button_route { + HOST }; +#define ACPI_WAKEUP_NUM_ARGS 4 |