2 * Copyright (c) 1994-1998 Mark Brinicombe.
3 * Copyright (c) 1994 Brini.
6 * This code is derived from software written for Brini by Mark Brinicombe
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Brini.
19 * 4. The name of the company nor the name of the author may be used to
20 * endorse or promote products derived from this software without specific
21 * prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
38 #include "opt_platform.h"
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
43 #include <sys/param.h>
44 #include <sys/systm.h>
46 #include <sys/devmap.h>
51 #include <machine/bus.h>
52 #include <machine/machdep.h>
53 #include <machine/platformvar.h>
55 #include <arm/ti/omap4/omap4_reg.h>
56 #include <arm/ti/omap4/omap4_mp.h>
57 #include <arm/ti/ti_cpuid.h>
59 #include "platform_if.h"
61 #if defined(SOC_OMAP4)
62 static platform_attach_t omap4_attach;
63 static platform_devmap_init_t ti_omap4_devmap_init;
65 #if defined(SOC_TI_AM335X)
66 static platform_attach_t ti_am335x_attach;
67 static platform_devmap_init_t ti_am335x_devmap_init;
69 static platform_cpu_reset_t ti_plat_cpu_reset;
71 void (*ti_cpu_reset)(void) = NULL;
75 #if defined(SOC_OMAP4)
77 omap4_attach(platform_t plat)
79 _ti_chip = CHIP_OMAP_4;
84 #if defined(SOC_TI_AM335X)
86 ti_am335x_attach(platform_t plat)
88 _ti_chip = CHIP_AM335X;
94 * Construct static devmap entries to map out the most frequently used
95 * peripherals using 1mb section mappings.
97 #if defined(SOC_OMAP4)
99 ti_omap4_devmap_init(platform_t plat)
101 devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
102 devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */
107 #if defined(SOC_TI_AM335X)
109 ti_am335x_devmap_init(platform_t plat)
112 devmap_add_entry(0x44C00000, 0x00400000); /* 4mb L4_WKUP devices*/
113 devmap_add_entry(0x47400000, 0x00100000); /* 1mb USB */
114 devmap_add_entry(0x47800000, 0x00100000); /* 1mb mmchs2 */
115 devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
116 devmap_add_entry(0x49000000, 0x00100000); /* 1mb edma3 */
117 devmap_add_entry(0x49800000, 0x00300000); /* 3mb edma3 */
118 devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_FAST devices*/
124 ti_plat_cpu_reset(platform_t plat)
129 printf("no cpu_reset implementation\n");
132 #if defined(SOC_OMAP4)
133 static platform_method_t omap4_methods[] = {
134 PLATFORMMETHOD(platform_attach, omap4_attach),
135 PLATFORMMETHOD(platform_devmap_init, ti_omap4_devmap_init),
136 PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset),
139 PLATFORMMETHOD(platform_mp_start_ap, omap4_mp_start_ap),
140 PLATFORMMETHOD(platform_mp_setmaxid, omap4_mp_setmaxid),
144 FDT_PLATFORM_DEF(omap4, "omap4", 0, "ti,omap4430", 200);
147 #if defined(SOC_TI_AM335X)
148 static platform_method_t am335x_methods[] = {
149 PLATFORMMETHOD(platform_attach, ti_am335x_attach),
150 PLATFORMMETHOD(platform_devmap_init, ti_am335x_devmap_init),
151 PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset),
156 FDT_PLATFORM_DEF(am335x, "am335x", 0, "ti,am33xx", 200);