projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b09c1644 SW |
1 | /* Analogue & Micro Adder MPC875 board support |
| 2 | * | |
| 3 | * Author: Scott Wood <scottwood@freescale.com> | |
| 4 | * | |
| 5 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License, version 2, as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/init.h> | |
| 13 | #include <linux/fs_enet_pd.h> | |
| 14 | #include <linux/of_platform.h> | |
| 15 | ||
| 16 | #include <asm/time.h> | |
| 17 | #include <asm/machdep.h> | |
| 266fb4af | 18 | #include <asm/cpm1.h> |
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19 | #include <asm/fs_pd.h> |
| 20 | #include <asm/udbg.h> | |
| 21 | #include <asm/prom.h> | |
| 22 | ||
| 266fb4af | 23 | #include "mpc8xx.h" |
| b09c1644 SW |
24 | |
| 25 | struct cpm_pin { | |
| 26 | int port, pin, flags; | |
| 27 | }; | |
| 28 | ||
| 29 | static __initdata struct cpm_pin adder875_pins[] = { | |
| 30 | /* SMC1 */ | |
| 31 | {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */ | |
| 32 | {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ | |
| 33 | ||
| 34 | /* MII1 */ | |
| 35 | {CPM_PORTA, 0, CPM_PIN_INPUT}, | |
| 36 | {CPM_PORTA, 1, CPM_PIN_INPUT}, | |
| 37 | {CPM_PORTA, 2, CPM_PIN_INPUT}, | |
| 38 | {CPM_PORTA, 3, CPM_PIN_INPUT}, | |
| 39 | {CPM_PORTA, 4, CPM_PIN_OUTPUT}, | |
| 40 | {CPM_PORTA, 10, CPM_PIN_OUTPUT}, | |
| 41 | {CPM_PORTA, 11, CPM_PIN_OUTPUT}, | |
| 42 | {CPM_PORTB, 19, CPM_PIN_INPUT}, | |
| 43 | {CPM_PORTB, 31, CPM_PIN_INPUT}, | |
| 44 | {CPM_PORTC, 12, CPM_PIN_INPUT}, | |
| 45 | {CPM_PORTC, 13, CPM_PIN_INPUT}, | |
| 46 | {CPM_PORTE, 30, CPM_PIN_OUTPUT}, | |
| 47 | {CPM_PORTE, 31, CPM_PIN_OUTPUT}, | |
| 48 | ||
| 49 | /* MII2 */ | |
| 50 | {CPM_PORTE, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | |
| 51 | {CPM_PORTE, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | |
| 52 | {CPM_PORTE, 16, CPM_PIN_OUTPUT}, | |
| 53 | {CPM_PORTE, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | |
| 54 | {CPM_PORTE, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | |
| 55 | {CPM_PORTE, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | |
| 56 | {CPM_PORTE, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | |
| 57 | {CPM_PORTE, 21, CPM_PIN_OUTPUT}, | |
| 58 | {CPM_PORTE, 22, CPM_PIN_OUTPUT}, | |
| 59 | {CPM_PORTE, 23, CPM_PIN_OUTPUT}, | |
| 60 | {CPM_PORTE, 24, CPM_PIN_OUTPUT}, | |
| 61 | {CPM_PORTE, 25, CPM_PIN_OUTPUT}, | |
| 62 | {CPM_PORTE, 26, CPM_PIN_OUTPUT}, | |
| 63 | {CPM_PORTE, 27, CPM_PIN_OUTPUT}, | |
| 64 | {CPM_PORTE, 28, CPM_PIN_OUTPUT}, | |
| 65 | {CPM_PORTE, 29, CPM_PIN_OUTPUT}, | |
| 66 | }; | |
| 67 | ||
| 68 | static void __init init_ioports(void) | |
| 69 | { | |
| 70 | int i; | |
| 71 | ||
| 72 | for (i = 0; i < ARRAY_SIZE(adder875_pins); i++) { | |
| 73 | const struct cpm_pin *pin = &adder875_pins[i]; | |
| 74 | cpm1_set_pin(pin->port, pin->pin, pin->flags); | |
| 75 | } | |
| 76 | ||
| 77 | cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); | |
| 78 | ||
| 79 | /* Set FEC1 and FEC2 to MII mode */ | |
| 80 | clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180); | |
| 81 | } | |
| 82 | ||
| 83 | static void __init adder875_setup(void) | |
| 84 | { | |
| 85 | cpm_reset(); | |
| 86 | init_ioports(); | |
| 87 | } | |
| 88 | ||
| 89 | static int __init adder875_probe(void) | |
| 90 | { | |
| 91 | unsigned long root = of_get_flat_dt_root(); | |
| 92 | return of_flat_dt_is_compatible(root, "analogue-and-micro,adder875"); | |
| 93 | } | |
| 94 | ||
| ce6d73c9 | 95 | static const struct of_device_id of_bus_ids[] __initconst = { |
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96 | { .compatible = "simple-bus", }, |
| 97 | {}, | |
| 98 | }; | |
| 99 | ||
| 100 | static int __init declare_of_platform_devices(void) | |
| 101 | { | |
| 102 | of_platform_bus_probe(NULL, of_bus_ids, NULL); | |
| 103 | return 0; | |
| 104 | } | |
| 105 | machine_device_initcall(adder875, declare_of_platform_devices); | |
| 106 | ||
| 107 | define_machine(adder875) { | |
| 108 | .name = "Adder MPC875", | |
| 109 | .probe = adder875_probe, | |
| 110 | .setup_arch = adder875_setup, | |
| 266fb4af | 111 | .init_IRQ = mpc8xx_pics_init, |
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112 | .get_irq = mpc8xx_get_irq, |
| 113 | .restart = mpc8xx_restart, | |
| 114 | .calibrate_decr = generic_calibrate_decr, | |
| 115 | .set_rtc_time = mpc8xx_set_rtc_time, | |
| 116 | .get_rtc_time = mpc8xx_get_rtc_time, | |
| 117 | .progress = udbg_progress, | |
| 118 | }; |