From: Tero Kristo t-kristo@ti.com
Add callback routines for parsing the firmware info from FIT image, and use the data to boot up ATF and the MCU R5 firmware.
Signed-off-by: Tero Kristo t-kristo@ti.com Signed-off-by: Tero Kristo kristo@kernel.org --- arch/arm/mach-k3/common.c | 80 +++++++++++++++++++++++++++++++++---- arch/arm/mach-k3/common.h | 1 + arch/arm/mach-k3/security.c | 3 +- 3 files changed, 75 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c index 9191f686f0..a5d6a10dc7 100644 --- a/arch/arm/mach-k3/common.c +++ b/arch/arm/mach-k3/common.c @@ -28,6 +28,27 @@ #include <elf.h> #include <soc.h>
+#ifdef CONFIG_SYS_K3_SPL_ATF +enum { + IMAGE_ID_ATF, + IMAGE_ID_OPTEE, + IMAGE_ID_SPL, + IMAGE_ID_DM_FW, + IMAGE_AMT, +}; + +#ifdef CONFIG_SPL_FIT_IMAGE_POST_PROCESS +static const char *image_os_match[IMAGE_AMT] = { + "arm-trusted-firmware", + "tee", + "U-Boot", + "DM", +}; +#endif + +static struct image_info fit_image_info[IMAGE_AMT]; +#endif + struct ti_sci_handle *get_ti_sci_handle(void) { struct udevice *dev; @@ -181,7 +202,7 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) typedef void __noreturn (*image_entry_noargs_t)(void); struct ti_sci_handle *ti_sci = get_ti_sci_handle(); u32 loadaddr = 0; - int ret, size; + int ret, size = 0;
/* Release all the exclusive devices held by SPL before starting ATF */ ti_sci->ops.dev_ops.release_exclusive_devices(ti_sci); @@ -192,15 +213,20 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
init_env(); start_non_linux_remote_cores(); - size = load_firmware("name_mcur5f0_0fw", "addr_mcur5f0_0load", - &loadaddr); + if (!fit_image_info[IMAGE_ID_DM_FW].image_start) + size = load_firmware("name_mcur5f0_0fw", "addr_mcur5f0_0load", + &loadaddr);
/* * It is assumed that remoteproc device 1 is the corresponding * Cortex-A core which runs ATF. Make sure DT reflects the same. */ - ret = rproc_load(1, spl_image->entry_point, 0x200); + if (!fit_image_info[IMAGE_ID_ATF].image_start) + fit_image_info[IMAGE_ID_ATF].image_start = + spl_image->entry_point; + + ret = rproc_load(1, fit_image_info[IMAGE_ID_ATF].image_start, 0x200); if (ret) panic("%s: ATF failed to load on rproc (%d)\n", __func__, ret);
@@ -210,7 +236,8 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) ret = rproc_start(1); if (ret) panic("%s: ATF failed to start on rproc (%d)\n", __func__, ret); - if (!(size > 0 && valid_elf_image(loadaddr))) { + if (!fit_image_info[IMAGE_ID_DM_FW].image_len && + !(size > 0 && valid_elf_image(loadaddr))) { debug("Shutting down...\n"); release_resources_for_core_shutdown();
@@ -218,13 +245,52 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) asm volatile("wfe"); }
- image_entry_noargs_t image_entry = - (image_entry_noargs_t)load_elf_image_phdr(loadaddr); + if (!fit_image_info[IMAGE_ID_DM_FW].image_start) { + loadaddr = load_elf_image_phdr(loadaddr); + } else { + loadaddr = fit_image_info[IMAGE_ID_DM_FW].image_start; + if (valid_elf_image(loadaddr)) + loadaddr = load_elf_image_phdr(loadaddr); + } + + debug("%s: jumping to address %x\n", __func__, loadaddr); + + image_entry_noargs_t image_entry = (image_entry_noargs_t)loadaddr;
image_entry(); } #endif
+#ifdef CONFIG_SPL_FIT_IMAGE_POST_PROCESS +void board_fit_image_post_process(const void *fit, int node, void **p_image, + size_t *p_size) +{ + int len; + int i; + const char *os; + u32 addr; + + os = fdt_getprop(fit, node, "os", &len); + addr = fdt_getprop_u32_default_node(fit, node, 0, "entry", -1); + + debug("%s: processing image: addr=%x, size=%d, os=%s\n", __func__, + addr, *p_size, os); + + for (i = 0; i < IMAGE_AMT; i++) { + if (!strcmp(os, image_os_match[i])) { + fit_image_info[i].image_start = addr; + fit_image_info[i].image_len = *p_size; + debug("%s: matched image for ID %d\n", __func__, i); + break; + } + } + +#ifdef CONFIG_TI_SECURE_DEVICE + ti_secure_image_post_process(p_image, p_size); +#endif +} +#endif + #if defined(CONFIG_OF_LIBFDT) int fdt_fixup_msmc_ram(void *blob, char *parent_path, char *node_name) { diff --git a/arch/arm/mach-k3/common.h b/arch/arm/mach-k3/common.h index a6dbc7808b..f421ed1bb1 100644 --- a/arch/arm/mach-k3/common.h +++ b/arch/arm/mach-k3/common.h @@ -28,3 +28,4 @@ void k3_sysfw_print_ver(void); void spl_enable_dcache(void); void mmr_unlock(phys_addr_t base, u32 partition); bool is_rom_loaded_sysfw(struct rom_extended_boot_data *data); +void ti_secure_image_post_process(void **p_image, size_t *p_size); diff --git a/arch/arm/mach-k3/security.c b/arch/arm/mach-k3/security.c index 5b5ff9ba7b..8de9739a40 100644 --- a/arch/arm/mach-k3/security.c +++ b/arch/arm/mach-k3/security.c @@ -18,8 +18,7 @@ #include <spl.h> #include <asm/arch/sys_proto.h>
-void board_fit_image_post_process(const void *fit, int node, void **p_image, - size_t *p_size) +void ti_secure_image_post_process(void **p_image, size_t *p_size) { struct ti_sci_handle *ti_sci = get_ti_sci_handle(); struct ti_sci_proc_ops *proc_ops = &ti_sci->ops.proc_ops;