2 * Copyright 2012 Freescale Semiconductor, Inc.
3 * Copyright 2012 Linaro Ltd.
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
13 #include <linux/clk.h>
14 #include <linux/clkdev.h>
15 #include <linux/err.h>
16 #include <linux/init.h>
17 #include <linux/init.h>
18 #include <linux/irqdomain.h>
19 #include <linux/of_irq.h>
20 #include <linux/of_platform.h>
21 #include <asm/mach/arch.h>
22 #include <asm/mach/time.h>
23 #include <mach/common.h>
25 static int __init mxs_icoll_add_irq_domain(struct device_node *np,
26 struct device_node *interrupt_parent)
28 irq_domain_add_legacy(np, 128, 0, 0, &irq_domain_simple_ops, NULL);
33 static int __init mxs_gpio_add_irq_domain(struct device_node *np,
34 struct device_node *interrupt_parent)
36 static int gpio_irq_base = MXS_GPIO_IRQ_START;
38 irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, NULL);
44 static const struct of_device_id mxs_irq_match[] __initconst = {
45 { .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, },
46 { .compatible = "fsl,mxs-gpio", .data = mxs_gpio_add_irq_domain, },
50 static void __init mxs_dt_init_irq(void)
53 of_irq_init(mxs_irq_match);
56 static void __init imx23_timer_init(void)
61 static struct sys_timer imx23_timer = {
62 .init = imx23_timer_init,
65 static void __init imx28_timer_init(void)
70 static struct sys_timer imx28_timer = {
71 .init = imx28_timer_init,
79 static void __init update_fec_mac_prop(enum mac_oui oui)
81 struct device_node *np, *from = NULL;
82 struct property *oldmac, *newmac;
83 const u32 *ocotp = mxs_get_ocotp();
88 for (i = 0; i < 2; i++) {
89 np = of_find_compatible_node(from, NULL, "fsl,imx28-fec");
94 newmac = kzalloc(sizeof(*newmac) + 6, GFP_KERNEL);
97 newmac->value = newmac + 1;
100 newmac->name = kstrdup("local-mac-address", GFP_KERNEL);
107 * OCOTP only stores the last 4 octets for each mac address,
108 * so hard-code OUI here.
110 macaddr = newmac->value;
124 macaddr[3] = (val >> 16) & 0xff;
125 macaddr[4] = (val >> 8) & 0xff;
126 macaddr[5] = (val >> 0) & 0xff;
128 oldmac = of_find_property(np, newmac->name, NULL);
130 prom_update_property(np, newmac, oldmac);
132 prom_add_property(np, newmac);
136 static void __init imx28_evk_init(void)
140 /* Enable fec phy clock */
141 clk = clk_get_sys("enet_out", NULL);
143 clk_prepare_enable(clk);
145 update_fec_mac_prop(OUI_FSL);
148 static void __init mxs_machine_init(void)
150 if (of_machine_is_compatible("fsl,imx28-evk"))
153 of_platform_populate(NULL, of_default_bus_match_table,
157 static const char *imx23_dt_compat[] __initdata = {
163 static const char *imx28_dt_compat[] __initdata = {
169 DT_MACHINE_START(IMX23, "Freescale i.MX23 (Device Tree)")
170 .map_io = mx23_map_io,
171 .init_irq = mxs_dt_init_irq,
172 .timer = &imx23_timer,
173 .init_machine = mxs_machine_init,
174 .dt_compat = imx23_dt_compat,
175 .restart = mxs_restart,
178 DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)")
179 .map_io = mx28_map_io,
180 .init_irq = mxs_dt_init_irq,
181 .timer = &imx28_timer,
182 .init_machine = mxs_machine_init,
183 .dt_compat = imx28_dt_compat,
184 .restart = mxs_restart,