sam440ep.c (1701B)
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Sam440ep board specific routines based off bamboo.c code 4 * original copyrights below 5 * 6 * Wade Farnsworth <wfarnsworth@mvista.com> 7 * Copyright 2004 MontaVista Software Inc. 8 * 9 * Rewritten and ported to the merged powerpc tree: 10 * Josh Boyer <jwboyer@linux.vnet.ibm.com> 11 * Copyright 2007 IBM Corporation 12 * 13 * Modified from bamboo.c for sam440ep: 14 * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com> 15 */ 16#include <linux/init.h> 17#include <linux/of_platform.h> 18 19#include <asm/machdep.h> 20#include <asm/udbg.h> 21#include <asm/time.h> 22#include <asm/uic.h> 23#include <asm/pci-bridge.h> 24#include <asm/ppc4xx.h> 25#include <linux/i2c.h> 26 27static const struct of_device_id sam440ep_of_bus[] __initconst = { 28 { .compatible = "ibm,plb4", }, 29 { .compatible = "ibm,opb", }, 30 { .compatible = "ibm,ebc", }, 31 {}, 32}; 33 34static int __init sam440ep_device_probe(void) 35{ 36 of_platform_bus_probe(NULL, sam440ep_of_bus, NULL); 37 38 return 0; 39} 40machine_device_initcall(sam440ep, sam440ep_device_probe); 41 42static int __init sam440ep_probe(void) 43{ 44 if (!of_machine_is_compatible("acube,sam440ep")) 45 return 0; 46 47 pci_set_flags(PCI_REASSIGN_ALL_RSRC); 48 49 return 1; 50} 51 52define_machine(sam440ep) { 53 .name = "Sam440ep", 54 .probe = sam440ep_probe, 55 .progress = udbg_progress, 56 .init_IRQ = uic_init_tree, 57 .get_irq = uic_get_irq, 58 .restart = ppc4xx_reset_system, 59 .calibrate_decr = generic_calibrate_decr, 60}; 61 62static struct i2c_board_info sam440ep_rtc_info = { 63 .type = "m41st85", 64 .addr = 0x68, 65 .irq = -1, 66}; 67 68static int __init sam440ep_setup_rtc(void) 69{ 70 return i2c_register_board_info(0, &sam440ep_rtc_info, 1); 71} 72machine_device_initcall(sam440ep, sam440ep_setup_rtc);