xref: /openbmc/linux/arch/mips/loongson32/ls1b/board.c (revision 23c2b932)
1 /*
2  * Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@gmail.com>
3  *
4  * This program is free software; you can redistribute	it and/or modify it
5  * under  the terms of	the GNU General	 Public License as published by the
6  * Free Software Foundation;  either version 2 of the  License, or (at your
7  * option) any later version.
8  */
9 
10 #include <linux/leds.h>
11 #include <linux/mtd/partitions.h>
12 #include <linux/sizes.h>
13 
14 #include <loongson1.h>
15 #include <dma.h>
16 #include <nand.h>
17 #include <platform.h>
18 
19 struct plat_ls1x_dma ls1x_dma_pdata = {
20 	.nr_channels	= 3,
21 };
22 
23 static struct mtd_partition ls1x_nand_parts[] = {
24 	{
25 		.name        = "kernel",
26 		.offset      = 0,
27 		.size        = SZ_16M,
28 	},
29 	{
30 		.name        = "rootfs",
31 		.offset      = MTDPART_OFS_APPEND,
32 		.size        = MTDPART_SIZ_FULL,
33 	},
34 };
35 
36 struct plat_ls1x_nand ls1x_nand_pdata = {
37 	.parts		= ls1x_nand_parts,
38 	.nr_parts	= ARRAY_SIZE(ls1x_nand_parts),
39 	.hold_cycle	= 0x2,
40 	.wait_cycle	= 0xc,
41 };
42 
43 static const struct gpio_led ls1x_gpio_leds[] __initconst = {
44 	{
45 		.name			= "LED9",
46 		.default_trigger	= "heartbeat",
47 		.gpio			= 38,
48 		.active_low		= 1,
49 		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
50 	}, {
51 		.name			= "LED6",
52 		.default_trigger	= "nand-disk",
53 		.gpio			= 39,
54 		.active_low		= 1,
55 		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
56 	},
57 };
58 
59 static const struct gpio_led_platform_data ls1x_led_pdata __initconst = {
60 	.num_leds	= ARRAY_SIZE(ls1x_gpio_leds),
61 	.leds		= ls1x_gpio_leds,
62 };
63 
64 static struct platform_device *ls1b_platform_devices[] __initdata = {
65 	&ls1x_uart_pdev,
66 	&ls1x_cpufreq_pdev,
67 	&ls1x_dma_pdev,
68 	&ls1x_eth0_pdev,
69 	&ls1x_eth1_pdev,
70 	&ls1x_ehci_pdev,
71 	&ls1x_gpio0_pdev,
72 	&ls1x_gpio1_pdev,
73 	&ls1x_nand_pdev,
74 	&ls1x_rtc_pdev,
75 };
76 
77 static int __init ls1b_platform_init(void)
78 {
79 	ls1x_serial_set_uartclk(&ls1x_uart_pdev);
80 	ls1x_dma_set_platdata(&ls1x_dma_pdata);
81 	ls1x_nand_set_platdata(&ls1x_nand_pdata);
82 
83 	gpio_led_register_device(-1, &ls1x_led_pdata);
84 
85 	return platform_add_devices(ls1b_platform_devices,
86 				   ARRAY_SIZE(ls1b_platform_devices));
87 }
88 
89 arch_initcall(ls1b_platform_init);
90