1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-omap1/board-generic.c
4 *
5 * Modified from board-innovator1510.c
6 *
7 * Code for generic OMAP board. Should work on many OMAP systems where
8 * the device drivers take care of all the necessary hardware initialization.
9 * Do not put any board specific code to this file; create a new machine
10 * type if you need custom low-level initializations.
11 */
12 #include <linux/gpio.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16
17 #include <mach/hardware.h>
18 #include <asm/mach-types.h>
19 #include <asm/mach/arch.h>
20 #include <asm/mach/map.h>
21
22 #include <mach/mux.h>
23
24 #include <mach/usb.h>
25
26 #include "common.h"
27
28 /* assume no Mini-AB port */
29
30 #ifdef CONFIG_ARCH_OMAP15XX
31 static struct omap_usb_config generic1510_usb_config __initdata = {
32 .register_host = 1,
33 .register_dev = 1,
34 .hmc_mode = 16,
35 .pins[0] = 3,
36 };
37 #endif
38
39 #if defined(CONFIG_ARCH_OMAP16XX)
40 static struct omap_usb_config generic1610_usb_config __initdata = {
41 #ifdef CONFIG_USB_OTG
42 .otg = 1,
43 #endif
44 .register_host = 1,
45 .register_dev = 1,
46 .hmc_mode = 16,
47 .pins[0] = 6,
48 };
49 #endif
50
omap_generic_init(void)51 static void __init omap_generic_init(void)
52 {
53 #ifdef CONFIG_ARCH_OMAP15XX
54 if (cpu_is_omap15xx()) {
55 /* mux pins for uarts */
56 omap_cfg_reg(UART1_TX);
57 omap_cfg_reg(UART1_RTS);
58 omap_cfg_reg(UART2_TX);
59 omap_cfg_reg(UART2_RTS);
60 omap_cfg_reg(UART3_TX);
61 omap_cfg_reg(UART3_RX);
62
63 omap1_usb_init(&generic1510_usb_config);
64 }
65 #endif
66 #if defined(CONFIG_ARCH_OMAP16XX)
67 if (!cpu_is_omap1510()) {
68 omap1_usb_init(&generic1610_usb_config);
69 }
70 #endif
71
72 omap_serial_init();
73 omap_register_i2c_bus(1, 100, NULL, 0);
74 }
75
76 MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
77 /* Maintainer: Tony Lindgren <tony@atomide.com> */
78 .atag_offset = 0x100,
79 .map_io = omap16xx_map_io,
80 .init_early = omap1_init_early,
81 .init_irq = omap1_init_irq,
82 .handle_irq = omap1_handle_irq,
83 .init_machine = omap_generic_init,
84 .init_late = omap1_init_late,
85 .init_time = omap1_timer_init,
86 .restart = omap1_restart,
87 MACHINE_END
88
