NTB: Disable interrupts and poll under high load
[linux-drm-fsl-dcu.git] / arch / arm / mach-omap2 / board-zoom.c
1 /*
2  * Copyright (C) 2009-2010 Texas Instruments Inc.
3  * Mikkel Christensen <mlc@ti.com>
4  * Felipe Balbi <balbi@ti.com>
5  *
6  * Modified from mach-omap2/board-ldp.c
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/input.h>
17 #include <linux/gpio.h>
18 #include <linux/i2c/twl.h>
19 #include <linux/mtd/nand.h>
20
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23
24 #include "common.h"
25
26 #include "board-zoom.h"
27
28 #include "board-flash.h"
29 #include "mux.h"
30 #include "sdram-micron-mt46h32m32lf-6.h"
31 #include "sdram-hynix-h8mbx00u0mer-0em.h"
32
33 #define ZOOM3_EHCI_RESET_GPIO           64
34
35 #ifdef CONFIG_OMAP_MUX
36 static struct omap_board_mux board_mux[] __initdata = {
37         /* WLAN IRQ - GPIO 162 */
38         OMAP3_MUX(MCBSP1_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
39         /* WLAN POWER ENABLE - GPIO 101 */
40         OMAP3_MUX(CAM_D2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
41         /* WLAN SDIO: MMC3 CMD */
42         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE3 | OMAP_PIN_INPUT_PULLUP),
43         /* WLAN SDIO: MMC3 CLK */
44         OMAP3_MUX(ETK_CLK, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
45         /* WLAN SDIO: MMC3 DAT[0-3] */
46         OMAP3_MUX(ETK_D3, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
47         OMAP3_MUX(ETK_D4, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
48         OMAP3_MUX(ETK_D5, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
49         OMAP3_MUX(ETK_D6, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
50         { .reg_offset = OMAP_MUX_TERMINATOR },
51 };
52 #endif
53
54 static struct mtd_partition zoom_nand_partitions[] = {
55         /* All the partition sizes are listed in terms of NAND block size */
56         {
57                 .name           = "X-Loader-NAND",
58                 .offset         = 0,
59                 .size           = 4 * (64 * 2048),      /* 512KB, 0x80000 */
60                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
61         },
62         {
63                 .name           = "U-Boot-NAND",
64                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
65                 .size           = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
66                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
67         },
68         {
69                 .name           = "Boot Env-NAND",
70                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
71                 .size           = 2 * (64 * 2048),      /* 256KB, 0x40000 */
72         },
73         {
74                 .name           = "Kernel-NAND",
75                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
76                 .size           = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
77         },
78         {
79                 .name           = "system",
80                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
81                 .size           = 3328 * (64 * 2048),   /* 416M, 0x1A000000 */
82         },
83         {
84                 .name           = "userdata",
85                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1C000000*/
86                 .size           = 256 * (64 * 2048),    /* 32M, 0x2000000 */
87         },
88         {
89                 .name           = "cache",
90                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1E000000*/
91                 .size           = 256 * (64 * 2048),    /* 32M, 0x2000000 */
92         },
93 };
94
95 static struct usbhs_phy_data phy_data[] __initdata = {
96         {
97                 .port = 2,
98                 .reset_gpio = ZOOM3_EHCI_RESET_GPIO,
99                 .vcc_gpio = -EINVAL,
100         },
101 };
102
103 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
104         .port_mode[1]           = OMAP_EHCI_PORT_MODE_PHY,
105 };
106
107 static void __init omap_zoom_init(void)
108 {
109         if (machine_is_omap_zoom2()) {
110                 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
111         } else if (machine_is_omap_zoom3()) {
112                 omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
113                 omap_mux_init_gpio(ZOOM3_EHCI_RESET_GPIO, OMAP_PIN_OUTPUT);
114
115                 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
116                 usbhs_init(&usbhs_bdata);
117         }
118
119         board_nand_init(zoom_nand_partitions,
120                         ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS,
121                         NAND_BUSWIDTH_16, nand_default_timings);
122         zoom_debugboard_init();
123         zoom_peripherals_init();
124
125         if (machine_is_omap_zoom2())
126                 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
127                                           mt46h32m32lf6_sdrc_params);
128         else if (machine_is_omap_zoom3())
129                 omap_sdrc_init(h8mbx00u0mer0em_sdrc_params,
130                                           h8mbx00u0mer0em_sdrc_params);
131
132         zoom_display_init();
133 }
134
135 MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
136         .atag_offset    = 0x100,
137         .reserve        = omap_reserve,
138         .map_io         = omap3_map_io,
139         .init_early     = omap3430_init_early,
140         .init_irq       = omap3_init_irq,
141         .handle_irq     = omap3_intc_handle_irq,
142         .init_machine   = omap_zoom_init,
143         .init_late      = omap3430_init_late,
144         .init_time      = omap3_sync32k_timer_init,
145         .restart        = omap3xxx_restart,
146 MACHINE_END
147
148 MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
149         .atag_offset    = 0x100,
150         .reserve        = omap_reserve,
151         .map_io         = omap3_map_io,
152         .init_early     = omap3630_init_early,
153         .init_irq       = omap3_init_irq,
154         .handle_irq     = omap3_intc_handle_irq,
155         .init_machine   = omap_zoom_init,
156         .init_late      = omap3630_init_late,
157         .init_time      = omap3_sync32k_timer_init,
158         .restart        = omap3xxx_restart,
159 MACHINE_END