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59d3a193 PZ |
1 | /* |
2 | * Common devices definition for Gemini | |
3 | * | |
4 | * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | #include <linux/kernel.h> | |
11 | #include <linux/init.h> | |
12 | #include <linux/io.h> | |
13 | #include <linux/platform_device.h> | |
14 | #include <linux/serial_8250.h> | |
15 | #include <linux/mtd/physmap.h> | |
16 | ||
17 | #include <mach/irqs.h> | |
18 | #include <mach/hardware.h> | |
19 | #include <mach/global_reg.h> | |
20 | ||
21 | static struct plat_serial8250_port serial_platform_data[] = { | |
22 | { | |
23 | .membase = (void *)IO_ADDRESS(GEMINI_UART_BASE), | |
24 | .mapbase = GEMINI_UART_BASE, | |
25 | .irq = IRQ_UART, | |
26 | .uartclk = UART_CLK, | |
27 | .regshift = 2, | |
28 | .iotype = UPIO_MEM, | |
29 | .type = PORT_16550A, | |
30 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_FIXED_TYPE, | |
31 | }, | |
32 | {}, | |
33 | }; | |
34 | ||
35 | static struct platform_device serial_device = { | |
36 | .name = "serial8250", | |
37 | .id = PLAT8250_DEV_PLATFORM, | |
38 | .dev = { | |
39 | .platform_data = serial_platform_data, | |
40 | }, | |
41 | }; | |
42 | ||
43 | int platform_register_uart(void) | |
44 | { | |
45 | return platform_device_register(&serial_device); | |
46 | } | |
47 | ||
48 | static struct resource flash_resource = { | |
49 | .start = GEMINI_FLASH_BASE, | |
50 | .flags = IORESOURCE_MEM, | |
51 | }; | |
52 | ||
53 | static struct physmap_flash_data pflash_platform_data = {}; | |
54 | ||
55 | static struct platform_device pflash_device = { | |
56 | .name = "physmap-flash", | |
57 | .id = 0, | |
58 | .dev = { | |
59 | .platform_data = &pflash_platform_data, | |
60 | }, | |
61 | .resource = &flash_resource, | |
62 | .num_resources = 1, | |
63 | }; | |
64 | ||
65 | int platform_register_pflash(unsigned int size, struct mtd_partition *parts, | |
66 | unsigned int nr_parts) | |
67 | { | |
68 | unsigned int reg; | |
69 | ||
70 | reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_STATUS); | |
71 | ||
72 | if ((reg & FLASH_TYPE_MASK) != FLASH_TYPE_PARALLEL) | |
73 | return -ENXIO; | |
74 | ||
75 | if (reg & FLASH_WIDTH_16BIT) | |
76 | pflash_platform_data.width = 2; | |
77 | else | |
78 | pflash_platform_data.width = 1; | |
79 | ||
80 | /* enable parallel flash pins and disable others */ | |
81 | reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL); | |
82 | reg &= ~PFLASH_PADS_DISABLE; | |
83 | reg |= SFLASH_PADS_DISABLE | NAND_PADS_DISABLE; | |
84 | __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL); | |
85 | ||
86 | flash_resource.end = flash_resource.start + size - 1; | |
87 | ||
88 | pflash_platform_data.parts = parts; | |
89 | pflash_platform_data.nr_parts = nr_parts; | |
90 | ||
91 | return platform_device_register(&pflash_device); | |
92 | } | |
f512626f HUK |
93 | |
94 | static struct resource gemini_rtc_resources[] = { | |
95 | [0] = { | |
96 | .start = GEMINI_RTC_BASE, | |
97 | .end = GEMINI_RTC_BASE + 0x24, | |
98 | .flags = IORESOURCE_MEM, | |
99 | }, | |
100 | [1] = { | |
101 | .start = IRQ_RTC, | |
102 | .end = IRQ_RTC, | |
103 | .flags = IORESOURCE_IRQ, | |
104 | }, | |
105 | }; | |
106 | ||
107 | static struct platform_device gemini_rtc_device = { | |
108 | .name = "rtc-gemini", | |
109 | .id = 0, | |
110 | .num_resources = ARRAY_SIZE(gemini_rtc_resources), | |
111 | .resource = gemini_rtc_resources, | |
112 | }; | |
113 | ||
114 | int __init platform_register_rtc(void) | |
115 | { | |
116 | return platform_device_register(&gemini_rtc_device); | |
117 | } | |
118 |