xref: /OK3568_Linux_fs/kernel/arch/arm/mach-omap1/board-generic.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * linux/arch/arm/mach-omap1/board-generic.c
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Modified from board-innovator1510.c
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Code for generic OMAP board. Should work on many OMAP systems where
8*4882a593Smuzhiyun  * the device drivers take care of all the necessary hardware initialization.
9*4882a593Smuzhiyun  * Do not put any board specific code to this file; create a new machine
10*4882a593Smuzhiyun  * type if you need custom low-level initializations.
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun #include <linux/gpio.h>
13*4882a593Smuzhiyun #include <linux/kernel.h>
14*4882a593Smuzhiyun #include <linux/init.h>
15*4882a593Smuzhiyun #include <linux/platform_device.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #include <mach/hardware.h>
18*4882a593Smuzhiyun #include <asm/mach-types.h>
19*4882a593Smuzhiyun #include <asm/mach/arch.h>
20*4882a593Smuzhiyun #include <asm/mach/map.h>
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #include <mach/mux.h>
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #include <mach/usb.h>
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #include "common.h"
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /* assume no Mini-AB port */
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #ifdef CONFIG_ARCH_OMAP15XX
31*4882a593Smuzhiyun static struct omap_usb_config generic1510_usb_config __initdata = {
32*4882a593Smuzhiyun 	.register_host	= 1,
33*4882a593Smuzhiyun 	.register_dev	= 1,
34*4882a593Smuzhiyun 	.hmc_mode	= 16,
35*4882a593Smuzhiyun 	.pins[0]	= 3,
36*4882a593Smuzhiyun };
37*4882a593Smuzhiyun #endif
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #if defined(CONFIG_ARCH_OMAP16XX)
40*4882a593Smuzhiyun static struct omap_usb_config generic1610_usb_config __initdata = {
41*4882a593Smuzhiyun #ifdef CONFIG_USB_OTG
42*4882a593Smuzhiyun 	.otg		= 1,
43*4882a593Smuzhiyun #endif
44*4882a593Smuzhiyun 	.register_host	= 1,
45*4882a593Smuzhiyun 	.register_dev	= 1,
46*4882a593Smuzhiyun 	.hmc_mode	= 16,
47*4882a593Smuzhiyun 	.pins[0]	= 6,
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun #endif
50*4882a593Smuzhiyun 
omap_generic_init(void)51*4882a593Smuzhiyun static void __init omap_generic_init(void)
52*4882a593Smuzhiyun {
53*4882a593Smuzhiyun #ifdef CONFIG_ARCH_OMAP15XX
54*4882a593Smuzhiyun 	if (cpu_is_omap15xx()) {
55*4882a593Smuzhiyun 		/* mux pins for uarts */
56*4882a593Smuzhiyun 		omap_cfg_reg(UART1_TX);
57*4882a593Smuzhiyun 		omap_cfg_reg(UART1_RTS);
58*4882a593Smuzhiyun 		omap_cfg_reg(UART2_TX);
59*4882a593Smuzhiyun 		omap_cfg_reg(UART2_RTS);
60*4882a593Smuzhiyun 		omap_cfg_reg(UART3_TX);
61*4882a593Smuzhiyun 		omap_cfg_reg(UART3_RX);
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun 		omap1_usb_init(&generic1510_usb_config);
64*4882a593Smuzhiyun 	}
65*4882a593Smuzhiyun #endif
66*4882a593Smuzhiyun #if defined(CONFIG_ARCH_OMAP16XX)
67*4882a593Smuzhiyun 	if (!cpu_is_omap1510()) {
68*4882a593Smuzhiyun 		omap1_usb_init(&generic1610_usb_config);
69*4882a593Smuzhiyun 	}
70*4882a593Smuzhiyun #endif
71*4882a593Smuzhiyun 
72*4882a593Smuzhiyun 	omap_serial_init();
73*4882a593Smuzhiyun 	omap_register_i2c_bus(1, 100, NULL, 0);
74*4882a593Smuzhiyun }
75*4882a593Smuzhiyun 
76*4882a593Smuzhiyun MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
77*4882a593Smuzhiyun 	/* Maintainer: Tony Lindgren <tony@atomide.com> */
78*4882a593Smuzhiyun 	.atag_offset	= 0x100,
79*4882a593Smuzhiyun 	.map_io		= omap16xx_map_io,
80*4882a593Smuzhiyun 	.init_early	= omap1_init_early,
81*4882a593Smuzhiyun 	.init_irq	= omap1_init_irq,
82*4882a593Smuzhiyun 	.handle_irq	= omap1_handle_irq,
83*4882a593Smuzhiyun 	.init_machine	= omap_generic_init,
84*4882a593Smuzhiyun 	.init_late	= omap1_init_late,
85*4882a593Smuzhiyun 	.init_time	= omap1_timer_init,
86*4882a593Smuzhiyun 	.restart	= omap1_restart,
87*4882a593Smuzhiyun MACHINE_END
88