1 /*
2 * marzen board support
3 *
4 * Copyright (C) 2011 Renesas Solutions Corp.
5 * Copyright (C) 2011 Magnus Damm
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 as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/io.h>
28 #include <linux/gpio.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/smsc911x.h>
31 #include <mach/hardware.h>
32 #include <mach/r8a7779.h>
33 #include <mach/common.h>
34 #include <mach/irqs.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/hardware/gic.h>
38 #include <asm/traps.h>
39
40 /* SMSC LAN89218 */
41 static struct resource smsc911x_resources[] = {
42 [0] = {
43 .start = 0x18000000, /* ExCS0 */
44 .end = 0x180000ff, /* A1->A7 */
45 .flags = IORESOURCE_MEM,
46 },
47 [1] = {
48 .start = gic_spi(28), /* IRQ 1 */
49 .flags = IORESOURCE_IRQ,
50 },
51 };
52
53 static struct smsc911x_platform_config smsc911x_platdata = {
54 .flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
55 .phy_interface = PHY_INTERFACE_MODE_MII,
56 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
57 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
58 };
59
60 static struct platform_device eth_device = {
61 .name = "smsc911x",
62 .id = 0,
63 .dev = {
64 .platform_data = &smsc911x_platdata,
65 },
66 .resource = smsc911x_resources,
67 .num_resources = ARRAY_SIZE(smsc911x_resources),
68 };
69
70 static struct platform_device *marzen_devices[] __initdata = {
71 ð_device,
72 };
73
marzen_init(void)74 static void __init marzen_init(void)
75 {
76 r8a7779_pinmux_init();
77
78 /* SCIF2 (CN18: DEBUG0) */
79 gpio_request(GPIO_FN_TX2_C, NULL);
80 gpio_request(GPIO_FN_RX2_C, NULL);
81
82 /* SCIF4 (CN19: DEBUG1) */
83 gpio_request(GPIO_FN_TX4, NULL);
84 gpio_request(GPIO_FN_RX4, NULL);
85
86 /* LAN89218 */
87 gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
88 gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
89
90 r8a7779_add_standard_devices();
91 platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
92 }
93
94 MACHINE_START(MARZEN, "marzen")
95 .map_io = r8a7779_map_io,
96 .init_early = r8a7779_add_early_devices,
97 .nr_irqs = NR_IRQS_LEGACY,
98 .init_irq = r8a7779_init_irq,
99 .handle_irq = gic_handle_irq,
100 .init_machine = marzen_init,
101 .timer = &shmobile_timer,
102 MACHINE_END
103