2 * Board support file for OMAP4430 SDP.
4 * Copyright (C) 2009 Texas Instruments
6 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
8 * Based on mach-omap2/board-3430sdp.c
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
19 #include <linux/gpio.h>
20 #include <linux/usb/otg.h>
22 #include <mach/hardware.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
27 #include <plat/board.h>
28 #include <plat/common.h>
29 #include <plat/control.h>
30 #include <plat/timer-gp.h>
32 #include <asm/hardware/gic.h>
33 #include <asm/hardware/cache-l2x0.h>
35 static struct platform_device sdp4430_lcd_device = {
36 .name = "sdp4430_lcd",
40 static struct platform_device *sdp4430_devices[] __initdata = {
44 static struct omap_lcd_config sdp4430_lcd_config __initdata = {
45 .ctrl_name = "internal",
48 static struct omap_board_config_kernel sdp4430_config[] __initdata = {
49 { OMAP_TAG_LCD, &sdp4430_lcd_config },
52 #ifdef CONFIG_CACHE_L2X0
53 noinline void omap_smc1(u32 fn, u32 arg)
55 register u32 r12 asm("r12") = fn;
56 register u32 r0 asm("r0") = arg;
58 /* This is common routine cache secure monitor API used to
59 * modify the PL310 secure registers.
60 * r0 contains the value to be modified and "r12" contains
61 * the monitor API number. It uses few CPU registers
62 * internally and hence they need be backed up including
64 * Explicitly save r11 and r12 the compiler generated code
68 "stmfd r13!, {r11,r12}\n"
71 "ldmfd r13!, {r11,r12}\n"
72 : "+r" (r0), "+r" (r12)
74 : "r4", "r5", "r10", "lr", "cc");
76 EXPORT_SYMBOL(omap_smc1);
78 static int __init omap_l2_cache_init(void)
80 void __iomem *l2cache_base;
82 /* To avoid code running on other OMAPs in
85 if (!cpu_is_omap44xx())
88 /* Static mapping, never released */
89 l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
90 BUG_ON(!l2cache_base);
92 /* Enable PL310 L2 Cache controller */
93 omap_smc1(0x102, 0x1);
95 /* 32KB way size, 16-way associativity,
98 l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
102 early_initcall(omap_l2_cache_init);
105 static void __init gic_init_irq(void)
109 /* Static mapping, never released */
110 base = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
112 gic_dist_init(0, base, 29);
114 /* Static mapping, never released */
115 gic_cpu_base_addr = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
116 BUG_ON(!gic_cpu_base_addr);
117 gic_cpu_init(0, gic_cpu_base_addr);
120 static void __init omap_4430sdp_init_irq(void)
122 omap_board_config = sdp4430_config;
123 omap_board_config_size = ARRAY_SIZE(sdp4430_config);
124 omap2_init_common_hw(NULL, NULL);
125 #ifdef CONFIG_OMAP_32K_TIMER
126 omap2_gp_clockevent_set_gptimer(1);
132 static struct omap_musb_board_data musb_board_data = {
133 .interface_type = MUSB_INTERFACE_UTMI,
134 .mode = MUSB_PERIPHERAL,
138 static void __init omap_4430sdp_init(void)
140 platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
142 /* OMAP4 SDP uses internal transceiver so register nop transceiver */
143 usb_nop_xceiv_register();
144 /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
145 if (!cpu_is_omap44xx())
146 usb_musb_init(&musb_board_data);
149 static void __init omap_4430sdp_map_io(void)
151 omap2_set_globals_443x();
152 omap44xx_map_common_io();
155 MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
156 /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
157 .phys_io = 0x48000000,
158 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
159 .boot_params = 0x80000100,
160 .map_io = omap_4430sdp_map_io,
161 .init_irq = omap_4430sdp_init_irq,
162 .init_machine = omap_4430sdp_init,
163 .timer = &omap_timer,