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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | /* * Platform setup for the MPC8xx based boards from TQM. * * Heiko Schocher <hs@denx.de> * Copyright 2010 DENX Software Engineering GmbH * * based on: * Vitaly Bordug <vbordug@ru.mvista.com> * * Copyright 2005 MontaVista Software Inc. * * Heavily modified by Scott Wood <scottwood@freescale.com> * Copyright 2007 Freescale Semiconductor, Inc. * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ #include <linux/init.h> #include <linux/param.h> #include <linux/string.h> #include <linux/ioport.h> #include <linux/device.h> #include <linux/delay.h> #include <linux/fsl_devices.h> #include <linux/mii.h> #include <linux/of_fdt.h> #include <linux/of_platform.h> #include <asm/delay.h> #include <asm/io.h> #include <asm/machdep.h> #include <asm/page.h> #include <asm/processor.h> #include <asm/time.h> #include <asm/8xx_immap.h> #include <asm/cpm1.h> #include <asm/udbg.h> #include "mpc8xx.h" #include "pic.h" struct cpm_pin { int port, pin, flags; }; static struct cpm_pin tqm8xx_pins[] __initdata = { /* SMC1 */ {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */ {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ /* SCC1 */ {CPM_PORTA, 5, CPM_PIN_INPUT}, /* CLK1 */ {CPM_PORTA, 7, CPM_PIN_INPUT}, /* CLK2 */ {CPM_PORTA, 14, CPM_PIN_INPUT}, /* TX */ {CPM_PORTA, 15, CPM_PIN_INPUT}, /* RX */ {CPM_PORTC, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */ {CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, {CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, }; static struct cpm_pin tqm8xx_fec_pins[] __initdata = { /* MII */ {CPM_PORTD, 3, CPM_PIN_OUTPUT}, {CPM_PORTD, 4, CPM_PIN_OUTPUT}, {CPM_PORTD, 5, CPM_PIN_OUTPUT}, {CPM_PORTD, 6, CPM_PIN_OUTPUT}, {CPM_PORTD, 7, CPM_PIN_OUTPUT}, {CPM_PORTD, 8, CPM_PIN_OUTPUT}, {CPM_PORTD, 9, CPM_PIN_OUTPUT}, {CPM_PORTD, 10, CPM_PIN_OUTPUT}, {CPM_PORTD, 11, CPM_PIN_OUTPUT}, {CPM_PORTD, 12, CPM_PIN_OUTPUT}, {CPM_PORTD, 13, CPM_PIN_OUTPUT}, {CPM_PORTD, 14, CPM_PIN_OUTPUT}, {CPM_PORTD, 15, CPM_PIN_OUTPUT}, }; static void __init init_pins(int n, struct cpm_pin *pin) { int i; for (i = 0; i < n; i++) { cpm1_set_pin(pin->port, pin->pin, pin->flags); pin++; } } static void __init init_ioports(void) { struct device_node *dnode; struct property *prop; int len; init_pins(ARRAY_SIZE(tqm8xx_pins), &tqm8xx_pins[0]); cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); dnode = of_find_node_by_name(NULL, "aliases"); if (dnode == NULL) return; prop = of_find_property(dnode, "ethernet1", &len); of_node_put(dnode); if (prop == NULL) return; /* init FEC pins */ init_pins(ARRAY_SIZE(tqm8xx_fec_pins), &tqm8xx_fec_pins[0]); } static void __init tqm8xx_setup_arch(void) { cpm_reset(); init_ioports(); } static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .name = "cpm", }, { .name = "localbus", }, { .compatible = "simple-bus" }, {}, }; static int __init declare_of_platform_devices(void) { of_platform_bus_probe(NULL, of_bus_ids, NULL); return 0; } machine_device_initcall(tqm8xx, declare_of_platform_devices); define_machine(tqm8xx) { .name = "TQM8xx", .compatible = "tqc,tqm8xx", .setup_arch = tqm8xx_setup_arch, .init_IRQ = mpc8xx_pic_init, .get_irq = mpc8xx_get_irq, .restart = mpc8xx_restart, .calibrate_decr = mpc8xx_calibrate_decr, .set_rtc_time = mpc8xx_set_rtc_time, .get_rtc_time = mpc8xx_get_rtc_time, .progress = udbg_progress, }; |