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authorKangheui Won <khwon@chromium.org>2022-01-25 17:56:43 +1100
committerRaul Rangel <rrangel@chromium.org>2022-02-01 22:31:56 +0000
commit506ca3ef4e78d3b32cddfe81eeaa10af86fd57b6 (patch)
tree7b71c44aee5c8dcbc2cdf85a3cba363db4367c46 /src
parent894f6f8229a7bb479c523ce4bcbf927f2d1f1d5b (diff)
psp_verstage: add new svc for cezanne
Add svc_set_platform_bootmode svc to cezanne. PSP will use this information to select proper widevine keybox. BUG=b:211058864 TEST=build guybrush Signed-off-by: Kangheui Won <khwon@chromium.org> Change-Id: I6bcc9e49a2b73d486cfecd7b240bf989cad94630 Reviewed-on: https://review.coreboot.org/c/coreboot/+/61368 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/soc/amd/cezanne/psp_verstage/svc.c7
-rw-r--r--src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h22
2 files changed, 29 insertions, 0 deletions
diff --git a/src/soc/amd/cezanne/psp_verstage/svc.c b/src/soc/amd/cezanne/psp_verstage/svc.c
index e04c702518..78f71260a4 100644
--- a/src/soc/amd/cezanne/psp_verstage/svc.c
+++ b/src/soc/amd/cezanne/psp_verstage/svc.c
@@ -133,3 +133,10 @@ uint32_t svc_ccp_dma(uint32_t spi_rom_offset, void *dest, uint32_t size)
SVC_CALL3(SVC_CCP_DMA, spi_rom_offset, dest, size, retval);
return retval;
}
+
+uint32_t svc_set_platform_boot_mode(enum chrome_platform_boot_mode boot_mode)
+{
+ uint32_t retval = 0;
+ SVC_CALL1(SVC_SET_PLATFORM_BOOT_MODE, (uint32_t)boot_mode, retval);
+ return retval;
+}
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 06e9defea7..ff2144d159 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
@@ -50,6 +50,7 @@
#define SVC_READ_TIMER_VAL 0x68
#define SVC_SHA 0x69
#define SVC_CCP_DMA 0x6A
+#define SVC_SET_PLATFORM_BOOT_MODE 0x6C
struct mod_exp_params {
char *pExponent; // Exponent address
@@ -136,6 +137,19 @@ struct sha_generic_data {
};
/*
+ * This is state that PSP manages internally.
+ * We only report BOOT_MODE_DEVELOPER or BOOT_MODE_PRODUCTION in verstage.
+ */
+enum chrome_platform_boot_mode
+{
+ NON_CHROME_BOOK_BOOT_MODE = 0x0,
+ CHROME_BOOK_BOOT_MODE_UNSIGNED_VERSTAGE = 0x1,
+ CHROME_BOOK_BOOT_MODE_PRODUCTION = 0x2,
+ CHROME_BOOK_BOOT_MODE_DEVELOPER = 0x3,
+ CHROME_BOOK_BOOT_MODE_TYPE_MAX_LIMIT = 0x4, // used for boundary check
+};
+
+/*
* Exit to the main Boot Loader. This does not return back to user application.
*
* Parameters:
@@ -313,6 +327,14 @@ uint32_t svc_modexp(struct mod_exp_params *mod_exp_param);
*/
uint32_t svc_ccp_dma(uint32_t spi_rom_offset, void *dest, uint32_t size);
+/*
+ * Get the Platform boot mode from verstage. Production or developer
+ *
+ * Parameters:
+ * - boot mode
+ -----------------------------------------------------------------------------*/
+uint32_t svc_set_platform_boot_mode(enum chrome_platform_boot_mode boot_mode);
+
/* C entry point for the Bootloader Userspace Application */
void Main(void);