drivers/video/imx/hdprx_load.c

/*
 * Copyright 2018 NXP
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <command.h>

#include "API_General.h"
#include "scfw_utils.h"

DECLARE_GLOBAL_DATA_PTR;

#define ON  1
#define OFF 0

static void hdmi_rx_set_power(int onoff)
{
	SC_PM_SET_RESOURCE_POWER_MODE(-1, SC_R_ISI_CH0, onoff);
	SC_PM_SET_RESOURCE_POWER_MODE(-1, SC_R_HDMI_RX, onoff);
	SC_PM_SET_RESOURCE_POWER_MODE(-1, SC_R_HDMI_RX_BYPASS, onoff);
}

int do_hdprx(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
	if (argc < 2)
		return 0;

	if (strncmp(argv[1], "tracescfw", 9) == 0) {
		g_debug_scfw = 1;
		printf("Enabled SCFW API tracing\n");
	} else if (strncmp(argv[1], "load", 4) == 0) {
		unsigned long address = 0;
		unsigned long offset  = 0x2000;
		const int iram_size   = 0x10000;
		const int dram_size   = 0x8000;
		const char *s;

		if (argc > 2) {
			address = simple_strtoul(argv[2], NULL, 0);
			if (argc > 3)
				offset = simple_strtoul(argv[3], NULL, 0);
		} else {
			printf("Missing address\n");
		}

		printf("Loading hdprx firmware from 0x%016lx offset 0x%016lx\n",
		       address, offset);
		hdmi_rx_set_power(SC_PM_PW_MODE_ON);
		hdp_rx_loadfirmware((unsigned char *)(address + offset),
				    iram_size,
				    (unsigned char *)(address + offset +
						      iram_size),
				    dram_size);

		s = env_get("hdprx_authenticate_fw");
		if (s && !strcmp(s, "yes"))
			SC_MISC_AUTH(-1, SC_MISC_SECO_AUTH_HDMI_RX_FW, 0);
		printf("Loading hdp rx firmware Complete\n");
		/* do not turn off hdmi power or firmware load will be lost */
	} else {
		printf("test error argc %d\n", argc);
	}

	return 0;
}

/***************************************************/
U_BOOT_CMD(
	hdprx,  CONFIG_SYS_MAXARGS, 1, do_hdprx,
	"load hdmi rx firmware ",
	"[<command>] ...\n"
	"hdpload [address] [<offset>]\n"
	"        address - address where the binary image starts\n"
	"        <offset> - IRAM offset in the binary image (8192 default)\n"
	"\n"
	"        if \"hdprx_authenticate_fw\" is set to \"yes\", the seco\n"
	"        will authenticate the firmware and load HDCP keys.\n"
	"\n"
	"tracescfw - Trace SCFW API calls for video commands\n"
	);