chipset.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
/* TODO: Check if this is still correct */
 
#include <bl_uapp/bl_syscall_public.h>
#include <console/console.h>
#include <psp_verstage.h>
 
uint32_t update_psp_bios_dir(uint32_t *psp_dir_offset, uint32_t *bios_dir_offset)
{
        return svc_update_psp_bios_dir(psp_dir_offset, bios_dir_offset);
}
 
uint32_t save_uapp_data(void *address, uint32_t size)
{
        return svc_save_uapp_data(address, size);
}
 
uint32_t get_bios_dir_addr(struct embedded_firmware *ef_table)
{
        return ef_table->bios3_entry;
}
 
int platform_set_sha_op(enum vb2_hash_algorithm hash_alg,
                        struct sha_generic_data *sha_op)
{
        if (hash_alg == VB2_HASH_SHA256) {
                sha_op->SHAType = SHA_TYPE_256;
                sha_op->DigestLen = 32;
        } else if (hash_alg == VB2_HASH_SHA384) {
                sha_op->SHAType = SHA_TYPE_384;
                sha_op->DigestLen = 48;
        } else {
                return -1;
        }
        return 0;
}
 
 
/* Functions below are stub functions for not-yet-implemented PSP features.
 * These functions should be replaced with proper implementations later.
 */
 
uint32_t svc_write_postcode(uint32_t postcode)
{
        return 0;
}
 
void platform_report_mode(int developer_mode_enabled)
{
        printk(BIOS_INFO, "Reporting %s mode\n",
               developer_mode_enabled ? "Developer" : "Normal");
        if (developer_mode_enabled)
                svc_set_platform_boot_mode(CHROME_BOOK_BOOT_MODE_DEVELOPER);
        else
                svc_set_platform_boot_mode(CHROME_BOOK_BOOT_MODE_NORMAL);
}