void __init exynos_firmware_init(void)
{
struct device_node *nd;
const __be32 *addr;
nd = of_find_compatible_node(NULL, NULL,
"samsung,secure-firmware");
if (!nd)
return;
addr = of_get_address(nd, 0, NULL, NULL);
if (!addr) {
pr_err("%s: No address specified.\n", __func__);
return;
}
pr_info("Running under secure firmware.\n");
register_firmware_ops(&exynos_firmware_ops);
/*
* Exynos 4 SoCs (based on Cortex A9 and equipped with L2C-310),
* running under secure firmware, require certain registers of L2
* cache controller to be written in secure mode. Here .write_sec
* callback is provided to perform necessary SMC calls.
*/
if (IS_ENABLED(CONFIG_CACHE_L2X0) &&
read_cpuid_part() == ARM_CPU_PART_CORTEX_A9) {
outer_cache.write_sec = exynos_l2_write_sec;
outer_cache.configure = exynos_l2_configure;
}
}
void __init exynos_firmware_init(void)
{
struct device_node *nd;
const __be32 *addr;
nd = of_find_compatible_node(NULL, NULL,
"samsung,secure-firmware");
if (!nd)
return;
addr = of_get_address(nd, 0, NULL, NULL);
if (!addr) {
pr_err("%s: No address specified.\n", __func__);
return;
}
pr_info("Running under secure firmware.\n");
register_firmware_ops(&exynos_firmware_ops);
}
void __init sunxi_firmware_init(void)
{
register_firmware_ops(&sunxi_firmware_ops);
}
