2 * Mikrotik RouterBOARD 150 support
4 * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
14 #define RB150_NAND_BASE 0x1FC80000
15 #define RB150_NAND_SIZE 1
17 #define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
18 #define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
19 #define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
20 #define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
21 #define RB150_GPIO_RESET_BUTTON ADM5120_GPIO_PIN1 /* FIXME */
23 #define RB150_NAND_DELAY 100
25 #define RB150_NAND_WRITE(v) \
26 writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
28 static struct resource rb150_nand_resources
[] __initdata
= {
30 .start
= RB150_NAND_BASE
,
31 .end
= RB150_NAND_BASE
+ RB150_NAND_SIZE
-1,
32 .flags
= IORESOURCE_MEM
,
36 static struct gpio_led rb150_gpio_leds
[] __initdata
= {
37 GPIO_LED_STD(ADM5120_GPIO_P0L2
, "user", NULL
),
38 GPIO_LED_INV(ADM5120_GPIO_P0L1
, "lan1_led1", NULL
),
39 GPIO_LED_INV(ADM5120_GPIO_P0L0
, "lan1_led2", NULL
),
40 GPIO_LED_INV(ADM5120_GPIO_P1L1
, "lan5_led1", NULL
),
41 GPIO_LED_INV(ADM5120_GPIO_P1L0
, "lan5_led2", NULL
),
42 GPIO_LED_INV(ADM5120_GPIO_P2L1
, "lan4_led1", NULL
),
43 GPIO_LED_INV(ADM5120_GPIO_P2L0
, "lan4_led2", NULL
),
44 GPIO_LED_INV(ADM5120_GPIO_P3L1
, "lan3_led1", NULL
),
45 GPIO_LED_INV(ADM5120_GPIO_P3L0
, "lan3_led2", NULL
),
46 GPIO_LED_INV(ADM5120_GPIO_P4L1
, "lan2_led1", NULL
),
47 GPIO_LED_INV(ADM5120_GPIO_P4L0
, "lan2_led2", NULL
),
50 static u8 rb150_vlans
[6] __initdata
= {
51 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
54 static int rb150_nand_dev_ready(struct mtd_info
*mtd
)
56 return gpio_get_value(RB150_GPIO_NAND_READY
);
59 static void rb150_nand_cmd_ctrl(struct mtd_info
*mtd
, int cmd
,
62 if (ctrl
& NAND_CTRL_CHANGE
) {
63 gpio_set_value(RB150_GPIO_NAND_CLE
, (ctrl
& NAND_CLE
) ? 1 : 0);
64 gpio_set_value(RB150_GPIO_NAND_ALE
, (ctrl
& NAND_ALE
) ? 1 : 0);
65 gpio_set_value(RB150_GPIO_NAND_NCE
, (ctrl
& NAND_NCE
) ? 0 : 1);
68 udelay(RB150_NAND_DELAY
);
70 if (cmd
!= NAND_CMD_NONE
)
71 RB150_NAND_WRITE(cmd
);
74 static void __init
rb150_add_device_nand(void)
76 struct platform_device
*pdev
;
79 /* setup GPIO pins for NAND flash chip */
80 gpio_request(RB150_GPIO_NAND_READY
, "nand-ready");
81 gpio_direction_input(RB150_GPIO_NAND_READY
);
82 gpio_request(RB150_GPIO_NAND_NCE
, "nand-nce");
83 gpio_direction_output(RB150_GPIO_NAND_NCE
, 1);
84 gpio_request(RB150_GPIO_NAND_CLE
, "nand-cle");
85 gpio_direction_output(RB150_GPIO_NAND_CLE
, 0);
86 gpio_request(RB150_GPIO_NAND_ALE
, "nand-ale");
87 gpio_direction_output(RB150_GPIO_NAND_ALE
, 0);
89 pdev
= platform_device_alloc("gen_nand", -1);
93 err
= platform_device_add_resources(pdev
, rb150_nand_resources
,
94 ARRAY_SIZE(rb150_nand_resources
));
99 rb1xx_nand_data
.ctrl
.cmd_ctrl
= rb150_nand_cmd_ctrl
;
100 rb1xx_nand_data
.ctrl
.dev_ready
= rb150_nand_dev_ready
;
102 err
= platform_device_add_data(pdev
, &rb1xx_nand_data
,
103 sizeof(rb1xx_nand_data
));
107 err
= platform_device_add(pdev
);
114 platform_device_put(pdev
);
119 static void __init
rb150_setup(void)
121 rb1xx_gpio_buttons
[0].gpio
= RB150_GPIO_RESET_BUTTON
;
122 rb1xx_generic_setup();
123 rb150_add_device_nand();
125 adm5120_add_device_gpio_leds(ARRAY_SIZE(rb150_gpio_leds
),
127 adm5120_add_device_switch(5, rb150_vlans
);
130 MIPS_MACHINE(MACH_ADM5120_RB_150
, "miniROUTER", "Mikrotik RouterBOARD 150",