| | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| | 2 | /* |
| | 3 | * NVIDIA Tegra SoC device tree board support |
| | 4 | * |
| | 5 | * Copyright (C) 2011, 2013, NVIDIA Corporation |
| | 6 | * Copyright (C) 2010 Secret Lab Technologies, Ltd. |
| | 7 | * Copyright (C) 2010 Google, Inc. |
| | 8 | */ |
| | 9 | |
| | 10 | #include <linux/clk.h> |
| | 11 | #include <linux/clk/tegra.h> |
| | 12 | #include <linux/dma-mapping.h> |
| | 13 | #include <linux/init.h> |
| | 14 | #include <linux/io.h> |
| | 15 | #include <linux/irqchip.h> |
| | 16 | #include <linux/irqdomain.h> |
| | 17 | #include <linux/kernel.h> |
| | 18 | #include <linux/of_address.h> |
| | 19 | #include <linux/of_fdt.h> |
| | 20 | #include <linux/of.h> |
| | 21 | #include <linux/of_platform.h> |
| | 22 | #include <linux/pda_power.h> |
| | 23 | #include <linux/platform_device.h> |
| | 24 | #include <linux/serial_8250.h> |
| | 25 | #include <linux/slab.h> |
| | 26 | #include <linux/sys_soc.h> |
| | 27 | #include <linux/usb/tegra_usb_phy.h> |
| | 28 | |
| | 29 | #include <linux/firmware/trusted_foundations.h> |
| | 30 | |
| | 31 | #include <soc/tegra/fuse.h> |
| | 32 | #include <soc/tegra/pmc.h> |
| | 33 | |
| | 34 | #include <asm/firmware.h> |
| | 35 | #include <asm/hardware/cache-l2x0.h> |
| | 36 | #include <asm/mach/arch.h> |
| | 37 | #include <asm/mach/time.h> |
| | 38 | #include <asm/mach-types.h> |
| | 39 | #include <asm/setup.h> |
| | 40 | |
| | 41 | #include "board.h" |
| | 42 | #include "common.h" |
| | 43 | #include "cpuidle.h" |
| | 44 | #include "iomap.h" |
| | 45 | #include "irq.h" |
| | 46 | #include "pm.h" |
| | 47 | #include "reset.h" |
| | 48 | #include "sleep.h" |
| | 49 | |
| | 50 | /* |
| | 51 | * Storage for debug-macro.S's state. |
| | 52 | * |
| | 53 | * This must be in .data not .bss so that it gets initialized each time the |
| | 54 | * kernel is loaded. The data is declared here rather than debug-macro.S so |
| | 55 | * that multiple inclusions of debug-macro.S point at the same data. |
| | 56 | */ |
| | 57 | u32 tegra_uart_config[3] = { |
| | 58 | /* Debug UART initialization required */ |
| | 59 | 1, |
| | 60 | /* Debug UART physical address */ |
| | 61 | 0, |
| | 62 | /* Debug UART virtual address */ |
| | 63 | 0, |
| | 64 | }; |
| | 65 | |
| | 66 | static void __init tegra_init_early(void) |
| | 67 | { |
| | 68 | of_register_trusted_foundations(); |
| | 69 | tegra_cpu_reset_handler_init(); |
| | 70 | call_firmware_op(l2x0_init); |
| | 71 | } |
| | 72 | |
| | 73 | static void __init tegra_dt_init_irq(void) |
| | 74 | { |
| | 75 | tegra_init_irq(); |
| | 76 | irqchip_init(); |
| | 77 | } |
| | 78 | |
| | 79 | static void __init tegra_dt_init(void) |
| | 80 | { |
| | 81 | struct device *parent = tegra_soc_device_register(); |
| | 82 | |
| | 83 | of_platform_default_populate(NULL, NULL, parent); |
| | 84 | } |
| | 85 | |
| | 86 | static void __init tegra_dt_init_late(void) |
| | 87 | { |
| | 88 | tegra_init_suspend(); |
| | 89 | tegra_cpuidle_init(); |
| | 90 | |
| | 91 | if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && |
| | 92 | of_machine_is_compatible("compal,paz00")) |
| | 93 | tegra_paz00_wifikill_init(); |
| | 94 | |
| | 95 | if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && |
| | 96 | of_machine_is_compatible("nvidia,tegra20")) |
| | 97 | platform_device_register_simple("tegra20-cpufreq", -1, NULL, 0); |
| | 98 | } |
| | 99 | |
| | 100 | static const char * const tegra_dt_board_compat[] = { |
| | 101 | "nvidia,tegra124", |
| | 102 | "nvidia,tegra114", |
| | 103 | "nvidia,tegra30", |
| | 104 | "nvidia,tegra20", |
| | 105 | NULL |
| | 106 | }; |
| | 107 | |
| | 108 | DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)") |
| | 109 | .l2c_aux_val = 0x3c400001, |
| | 110 | .l2c_aux_mask = 0xc20fc3fe, |
| | 111 | .smp = smp_ops(tegra_smp_ops), |
| | 112 | .map_io = tegra_map_common_io, |
| | 113 | .init_early = tegra_init_early, |
| | 114 | .init_irq = tegra_dt_init_irq, |
| | 115 | .init_machine = tegra_dt_init, |
| | 116 | .init_late = tegra_dt_init_late, |
| | 117 | .dt_compat = tegra_dt_board_compat, |
| | 118 | MACHINE_END |
projects / mirror_ubuntu-jammy-kernel.git / blame_incremental