From 506ca3ef4e78d3b32cddfe81eeaa10af86fd57b6 Mon Sep 17 00:00:00 2001 From: Kangheui Won Date: Tue, 25 Jan 2022 17:56:43 +1100 Subject: 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 Change-Id: I6bcc9e49a2b73d486cfecd7b240bf989cad94630 Reviewed-on: https://review.coreboot.org/c/coreboot/+/61368 Tested-by: build bot (Jenkins) Reviewed-by: Raul Rangel Reviewed-by: Karthik Ramasubramanian --- .../cezanne/include/bl_uapp/bl_syscall_public.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'src/vendorcode/amd/fsp') 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 @@ -135,6 +136,19 @@ struct sha_generic_data { uint32_t Eom; }; +/* + * 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. * @@ -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); -- cgit v1.2.3