/* SPDX-License-Identifier: GPL-2.0-only */ #include <device/mmio.h> #include <soc/addressmap.h> #include "apbmisc.h" static struct apbmisc *misc = (struct apbmisc *)TEGRA_APB_MISC_BASE; void enable_jtag(void) { write32(&misc->pp_config_ctl, PP_CONFIG_CTL_JTAG); } void clamp_tristate_inputs(void) { write32(&misc->pp_pinmux_global, PP_PINMUX_CLAMP_INPUTS); } void tegra_revision_info(struct tegra_revision *id) { uintptr_t gp_hidrev= (uintptr_t)TEGRA_APB_MISC_BASE + MISC_GP_HIDREV; uint32_t reg; reg = read32((void *)(gp_hidrev)); id->hid_fam = (reg >> 0) & 0x0f; id->chip_id = (reg >> 8) & 0xff; id->major = (reg >> 4) & 0x0f; id->minor = (reg >> 16) & 0x07; }