[PATCH] ARM: 2844/1: Add maintainer for Jornada 720
[linux-3.10.git] / arch / arm / mach-sa1100 / jornada720.c
1 /*
2  * linux/arch/arm/mach-sa1100/jornada720.c
3  */
4
5 #include <linux/init.h>
6 #include <linux/kernel.h>
7 #include <linux/tty.h>
8 #include <linux/delay.h>
9 #include <linux/device.h>
10 #include <linux/ioport.h>
11
12 #include <asm/hardware.h>
13 #include <asm/hardware/sa1111.h>
14 #include <asm/irq.h>
15 #include <asm/mach-types.h>
16 #include <asm/setup.h>
17
18 #include <asm/mach/arch.h>
19 #include <asm/mach/map.h>
20 #include <asm/mach/serial_sa1100.h>
21
22 #include "generic.h"
23
24
25 #define JORTUCR_VAL     0x20000400
26
27 static struct resource sa1111_resources[] = {
28         [0] = {
29                 .start          = 0x40000000,
30                 .end            = 0x40001fff,
31                 .flags          = IORESOURCE_MEM,
32         },
33         [1] = {
34                 .start          = IRQ_GPIO1,
35                 .end            = IRQ_GPIO1,
36                 .flags          = IORESOURCE_IRQ,
37         },
38 };
39
40 static u64 sa1111_dmamask = 0xffffffffUL;
41
42 static struct platform_device sa1111_device = {
43         .name           = "sa1111",
44         .id             = 0,
45         .dev            = {
46                 .dma_mask = &sa1111_dmamask,
47                 .coherent_dma_mask = 0xffffffff,
48         },
49         .num_resources  = ARRAY_SIZE(sa1111_resources),
50         .resource       = sa1111_resources,
51 };
52
53 static struct platform_device *devices[] __initdata = {
54         &sa1111_device,
55 };
56
57 static int __init jornada720_init(void)
58 {
59         int ret = -ENODEV;
60
61         if (machine_is_jornada720()) {
62                 GPDR |= GPIO_GPIO20;
63                 TUCR = JORTUCR_VAL;     /* set the oscillator out to the SA-1101 */
64
65                 GPSR = GPIO_GPIO20;
66                 udelay(1);
67                 GPCR = GPIO_GPIO20;
68                 udelay(1);
69                 GPSR = GPIO_GPIO20;
70                 udelay(20);
71
72                 /* LDD4 is speaker, LDD3 is microphone */
73                 PPSR &= ~(PPC_LDD3 | PPC_LDD4);
74                 PPDR |= PPC_LDD3 | PPC_LDD4;
75
76                 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
77         }
78         return ret;
79 }
80
81 arch_initcall(jornada720_init);
82
83 static struct map_desc jornada720_io_desc[] __initdata = {
84  /* virtual     physical    length      type */
85   { 0xf0000000, 0x48000000, 0x00100000, MT_DEVICE }, /* Epson registers */
86   { 0xf1000000, 0x48200000, 0x00100000, MT_DEVICE }, /* Epson frame buffer */
87   { 0xf4000000, 0x40000000, 0x00100000, MT_DEVICE }  /* SA-1111 */
88 };
89
90 static void __init jornada720_map_io(void)
91 {
92         sa1100_map_io();
93         iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc));
94         
95         sa1100_register_uart(0, 3);
96         sa1100_register_uart(1, 1);
97 }
98
99 MACHINE_START(JORNADA720, "HP Jornada 720")
100         /* Maintainer: Michael Gernoth <michael@gernoth.net> */
101         .phys_ram       = 0xc0000000,
102         .phys_io        = 0x80000000,
103         .io_pg_offst    = ((0xf8000000) >> 18) & 0xfffc,
104         .boot_params    = 0xc0000100,
105         .map_io         = jornada720_map_io,
106         .init_irq       = sa1100_init_irq,
107         .timer          = &sa1100_timer,
108 MACHINE_END