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gerrit-public.fairphone.software / kernel / msm-4.9 / 14c16db3906ba9453e9c786323f872e11fd0f48d / . / arch / m68knommu / platform / 523x / config.c
blob: 6ba84f2aa397cc639eff61ea38acb9f0e1be903b [file] [log] [blame]
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]1/***************************************************************************/
2
3/*
4 * linux/arch/m68knommu/platform/523x/config.c
5 *
6 * Sub-architcture dependant initialization code for the Freescale
7 * 523x CPUs.
8 *
9 * Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com)
10 * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com)
11 */
12
13/***************************************************************************/
14
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]15#include <linux/kernel.h>
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]16#include <linux/param.h>
17#include <linux/init.h>
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]18#include <linux/io.h>
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]19#include <asm/machdep.h>
20#include <asm/coldfire.h>
21#include <asm/mcfsim.h>
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]22#include <asm/mcfuart.h>
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]23
24/***************************************************************************/
25
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]26static struct mcf_platform_uart m523x_uart_platform[] = {
27 {
28 .mapbase = MCF_MBAR + MCFUART_BASE1,
29 .irq = MCFINT_VECBASE + MCFINT_UART0,
30 },
31 {
32 .mapbase = MCF_MBAR + MCFUART_BASE2,
33 .irq = MCFINT_VECBASE + MCFINT_UART0 + 1,
34 },
35 {
36 .mapbase = MCF_MBAR + MCFUART_BASE3,
37 .irq = MCFINT_VECBASE + MCFINT_UART0 + 2,
38 },
39 { },
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]40};
41
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]42static struct platform_device m523x_uart = {
43 .name = "mcfuart",
44 .id = 0,
45 .dev.platform_data = m523x_uart_platform,
46};
47
Greg Ungererffba3f42009-02-26 22:40:38 -0800[diff] [blame]48static struct resource m523x_fec_resources[] = {
49 {
50 .start = MCF_MBAR + 0x1000,
51 .end = MCF_MBAR + 0x1000 + 0x7ff,
52 .flags = IORESOURCE_MEM,
53 },
54 {
55 .start = 64 + 23,
56 .end = 64 + 23,
57 .flags = IORESOURCE_IRQ,
58 },
59 {
60 .start = 64 + 27,
61 .end = 64 + 27,
62 .flags = IORESOURCE_IRQ,
63 },
64 {
65 .start = 64 + 29,
66 .end = 64 + 29,
67 .flags = IORESOURCE_IRQ,
68 },
69};
70
71static struct platform_device m523x_fec = {
72 .name = "fec",
73 .id = 0,
74 .num_resources = ARRAY_SIZE(m523x_fec_resources),
75 .resource = m523x_fec_resources,
76};
77
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]78static struct platform_device *m523x_devices[] __initdata = {
79 &m523x_uart,
Greg Ungererffba3f42009-02-26 22:40:38 -0800[diff] [blame]80 &m523x_fec,
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]81};
82
83/***************************************************************************/
84
Greg Ungerer14c16db2009-08-12 16:14:43 +1000[diff] [blame^]85static void __init m523x_fec_init(void)
86{
87 u16 par;
88 u8 v;
89
90 /* Set multi-function pins to ethernet use */
91 par = readw(MCF_IPSBAR + 0x100082);
92 writew(par | 0xf00, MCF_IPSBAR + 0x100082);
93 v = readb(MCF_IPSBAR + 0x100078);
94 writeb(v | 0xc0, MCF_IPSBAR + 0x100078);
95}
96
97/***************************************************************************/
98
Greg Ungerer55b33f32009-04-30 22:58:35 +1000[diff] [blame]99static void m523x_cpu_reset(void)
100{
101 local_irq_disable();
102 __raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR);
103}
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]104
105/***************************************************************************/
106
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]107void __init config_BSP(char *commandp, int size)
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]108{
Greg Ungerer55b33f32009-04-30 22:58:35 +1000[diff] [blame]109 mach_reset = m523x_cpu_reset;
Greg Ungererb5aaf3f2005-09-02 10:42:52 +1000[diff] [blame]110}
111
112/***************************************************************************/
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]113
114static int __init init_BSP(void)
115{
Greg Ungerer14c16db2009-08-12 16:14:43 +1000[diff] [blame^]116 m523x_fec_init();
Greg Ungerer4b61a352008-02-01 17:34:15 +1000[diff] [blame]117 platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices));
118 return 0;
119}
120
121arch_initcall(init_BSP);
122
123/***************************************************************************/