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authorKangheui Won <khwon@chromium.org>2021-05-14 15:17:50 +1000
committerWerner Zeh <werner.zeh@siemens.com>2021-06-07 05:16:20 +0000
commit260f0f93efa809d6aab5220253ca74410d0027c2 (patch)
treec04d7b31c9d2de76effb87066c17c41077197fed /src/vendorcode
parent32f43e0e134eded6221dd59400b2a01860c72f76 (diff)
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cezanne/psp_verstage: add reset/timer svc
The new cezanne PSP release added support for these svcs. So add those functionality back to cezanne psp_verstage. BUG=b:187906425 Signed-off-by: Kangheui Won <khwon@chromium.org> Change-Id: Id542f5ed0762f582ea966466d67ed938ecb9c1f0 Reviewed-on: https://review.coreboot.org/c/coreboot/+/55137 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'src/vendorcode')
-rw-r--r--src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h b/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h
index 25a15e6ab078..75458c302514 100644
--- a/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h
+++ b/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h
@@ -37,6 +37,7 @@
#define SVC_DEBUG_PRINT 0x06
#define SVC_DEBUG_PRINT_EX 0x1A
#define SVC_GET_BOOT_MODE 0x1C
+#define SVC_DELAY_IN_MICRO_SECONDS 0x2F
#define SVC_GET_SPI_INFO 0x60
#define SVC_MAP_SPIROM_DEVICE 0x61
#define SVC_UNMAP_SPIROM_DEVICE 0x62
@@ -44,6 +45,8 @@
#define SVC_UNMAP_FCH_IO_DEVICE 0x64
#define SVC_UPDATE_PSP_BIOS_DIR 0x65
#define SVC_COPY_DATA_FROM_UAPP 0x66
+#define SVC_RESET_SYSTEM 0x67
+#define SVC_READ_TIMER_VAL 0x68
enum psp_boot_mode {
PSP_BOOT_MODE_S0 = 0x0,
@@ -54,6 +57,13 @@ enum psp_boot_mode {
PSP_BOOT_MODE_S5_WARM = 0x5,
};
+enum reset_type
+{
+ RESET_TYPE_COLD = 0,
+ RESET_TYPE_WARM = 1,
+ RESET_TYPE_MAX = 2,
+};
+
enum fch_io_device {
FCH_IO_DEVICE_SPI,
FCH_IO_DEVICE_I2C,
@@ -81,6 +91,12 @@ struct spirom_info {
uint32_t SpiBiosSize;
};
+enum psp_timer_type {
+ PSP_TIMER_TYPE_CHRONO = 0,
+ PSP_TIMER_TYPE_SECURE_RTC = 1,
+ PSP_TIMER_TYPE_MAX = 2,
+};
+
/*
* Exit to the main Boot Loader. This does not return back to user application.
*
@@ -206,6 +222,25 @@ uint32_t svc_update_psp_bios_dir(uint32_t *psp_dir_offset,
uint32_t svc_save_uapp_data(void *address, uint32_t size);
/*
+ * Read timer raw (currently CHRONO and RTC) value
+ *
+ * Parameters:
+ * type - [in] Type of timer UAPP would like to read from
+ * (currently CHRONO and RTC)
+ * counter_value - [out] return the raw counter value read from
+ * RTC or CHRONO_LO/HI counter register
+ -----------------------------------------------------------------------------*/
+uint32_t svc_read_timer_val(enum psp_timer_type type, uint64_t *counter_value);
+
+/*
+ * Reset the system
+ *
+ * Parameters:
+ * reset_type - Cold or Warm reset
+ */
+uint32_t svc_reset_system(enum reset_type reset_type);
+
+/*
* Write postcode to Port-80
*
* Parameters: