tegra_var.h revision 1.10
1/* $NetBSD: tegra_var.h,v 1.10 2015/05/09 11:17:59 jmcneill Exp $ */ 2 3/*- 4 * Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#ifndef _ARM_TEGRA_VAR_H 30#define _ARM_TEGRA_VAR_H 31 32#include <sys/types.h> 33#include <sys/bus.h> 34#include <sys/gpio.h> 35 36#include "opt_tegra.h" 37 38struct tegra_locators { 39 const char *loc_name; 40 bus_addr_t loc_offset; 41 bus_size_t loc_size; 42 int loc_port; 43 int loc_intr; 44#define TEGRAIO_INTR_DEFAULT 0 45}; 46 47struct tegraio_attach_args { 48 struct tegra_locators tio_loc; 49 bus_space_tag_t tio_bst; 50 bus_space_tag_t tio_a4x_bst; 51 bus_space_handle_t tio_bsh; 52 bus_dma_tag_t tio_dmat; 53 bus_dma_tag_t tio_coherent_dmat; 54}; 55 56extern struct bus_space armv7_generic_bs_tag; 57extern struct bus_space armv7_generic_a4x_bs_tag; 58extern bus_space_handle_t tegra_host1x_bsh; 59extern bus_space_handle_t tegra_ppsb_bsh; 60extern bus_space_handle_t tegra_apb_bsh; 61extern bus_space_handle_t tegra_ahb_a2_bsh; 62extern struct arm32_bus_dma_tag tegra_dma_tag; 63extern struct arm32_bus_dma_tag tegra_coherent_dma_tag; 64 65#define CHIP_ID_TEGRA20 0x20 66#define CHIP_ID_TEGRA30 0x30 67#define CHIP_ID_TEGRA114 0x35 68#define CHIP_ID_TEGRA124 0x40 69#define CHIP_ID_TEGRA132 0x13 70 71u_int tegra_chip_id(void); 72const char *tegra_chip_name(void); 73void tegra_bootstrap(void); 74void tegra_dma_bootstrap(psize_t); 75 76u_int tegra_car_osc_rate(void); 77u_int tegra_car_pllc_rate(void); 78u_int tegra_car_pllx_rate(void); 79u_int tegra_car_pllu_rate(void); 80u_int tegra_car_pllp0_rate(void); 81u_int tegra_car_uart_rate(u_int); 82u_int tegra_car_periph_sdmmc_rate(u_int); 83int tegra_car_periph_sdmmc_set_div(u_int, u_int); 84 85struct tegra_gpio_pin; 86struct tegra_gpio_pin *tegra_gpio_acquire(const char *, u_int); 87void tegra_gpio_release(struct tegra_gpio_pin *); 88int tegra_gpio_read(struct tegra_gpio_pin *); 89void tegra_gpio_write(struct tegra_gpio_pin *, int); 90 91struct tegra_mpio_padctlgrp { 92 int preemp; 93 int hsm; 94 int schmt; 95 int drv_type; 96 int drvdn; 97 int drvup; 98 int slwr; 99 int slwf; 100}; 101void tegra_mpio_padctlgrp_read(u_int, struct tegra_mpio_padctlgrp *); 102void tegra_mpio_padctlgrp_write(u_int, const struct tegra_mpio_padctlgrp *); 103 104void tegra_mpio_pinmux_set_config(u_int, int, const char *); 105void tegra_mpio_pinmux_set_io_reset(u_int, bool); 106void tegra_mpio_pinmux_set_rcv_sel(u_int, bool); 107void tegra_mpio_pinmux_get_config(u_int, int *, const char **); 108const char *tegra_mpio_pinmux_get_pm(u_int); 109bool tegra_mpio_pinmux_get_io_reset(u_int); 110bool tegra_mpio_pinmux_get_rcv_sel(u_int); 111 112void tegra_pmc_reset(void); 113void tegra_pmc_power(u_int, bool); 114 115psize_t tegra_mc_memsize(void); 116 117#if defined(SOC_TEGRA124) 118void tegra124_mpinit(void); 119#endif 120 121static void inline 122tegra_reg_set_clear(bus_space_tag_t bst, bus_space_handle_t bsh, 123 bus_size_t o, uint32_t set_mask, uint32_t clr_mask) 124{ 125 const uint32_t old = bus_space_read_4(bst, bsh, o); 126 const uint32_t new = set_mask | (old & ~clr_mask); 127 if (old != new) { 128 bus_space_write_4(bst, bsh, o, new); 129 } 130} 131 132#endif /* _ARM_TEGRA_VAR_H */ 133