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-rw-r--r--arch/arm/mach-mx3/mm.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c
deleted file mode 100644
index 54d7174b4202..000000000000
--- a/arch/arm/mach-mx3/mm.c
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@@ -1,141 +0,0 @@
1/*
2 * Copyright (C) 1999,2000 Arm Limited
3 * Copyright (C) 2000 Deep Blue Solutions Ltd
4 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
5 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
6 * - add MX31 specific definitions
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#include <linux/mm.h>
20#include <linux/init.h>
21#include <linux/err.h>
22
23#include <asm/pgtable.h>
24#include <asm/mach/map.h>
25#include <asm/hardware/cache-l2x0.h>
26
27#include <mach/common.h>
28#include <mach/hardware.h>
29#include <mach/iomux-v3.h>
30#include <mach/gpio.h>
31#include <mach/irqs.h>
32
33#ifdef CONFIG_SOC_IMX31
34static struct map_desc mx31_io_desc[] __initdata = {
35 imx_map_entry(MX31, X_MEMC, MT_DEVICE),
36 imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED),
37 imx_map_entry(MX31, AIPS1, MT_DEVICE_NONSHARED),
38 imx_map_entry(MX31, AIPS2, MT_DEVICE_NONSHARED),
39 imx_map_entry(MX31, SPBA0, MT_DEVICE_NONSHARED),
40};
41
42/*
43 * This function initializes the memory map. It is called during the
44 * system startup to create static physical to virtual memory mappings
45 * for the IO modules.
46 */
47void __init mx31_map_io(void)
48{
49 iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc));
50}
51
52void __init imx31_init_early(void)
53{
54 mxc_set_cpu_type(MXC_CPU_MX31);
55 mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
56}
57
58static struct mxc_gpio_port imx31_gpio_ports[] = {
59 DEFINE_IMX_GPIO_PORT_IRQ(MX31, 0, 1, MX31_INT_GPIO1),
60 DEFINE_IMX_GPIO_PORT_IRQ(MX31, 1, 2, MX31_INT_GPIO2),
61 DEFINE_IMX_GPIO_PORT_IRQ(MX31, 2, 3, MX31_INT_GPIO3),
62};
63
64void __init mx31_init_irq(void)
65{
66 mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR));
67 mxc_gpio_init(imx31_gpio_ports, ARRAY_SIZE(imx31_gpio_ports));
68}
69#endif /* ifdef CONFIG_SOC_IMX31 */
70
71#ifdef CONFIG_SOC_IMX35
72static struct map_desc mx35_io_desc[] __initdata = {
73 imx_map_entry(MX35, X_MEMC, MT_DEVICE),
74 imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
75 imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
76 imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
77 imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
78};
79
80void __init mx35_map_io(void)
81{
82 iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
83}
84
85void __init imx35_init_early(void)
86{
87 mxc_set_cpu_type(MXC_CPU_MX35);
88 mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
89 mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
90}
91
92static struct mxc_gpio_port imx35_gpio_ports[] = {
93 DEFINE_IMX_GPIO_PORT_IRQ(MX35, 0, 1, MX35_INT_GPIO1),
94 DEFINE_IMX_GPIO_PORT_IRQ(MX35, 1, 2, MX35_INT_GPIO2),
95 DEFINE_IMX_GPIO_PORT_IRQ(MX35, 2, 3, MX35_INT_GPIO3),
96};
97
98void __init mx35_init_irq(void)
99{
100 mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
101 mxc_gpio_init(imx35_gpio_ports, ARRAY_SIZE(imx35_gpio_ports));
102}
103#endif /* ifdef CONFIG_SOC_IMX35 */
104
105#ifdef CONFIG_CACHE_L2X0
106static int mxc_init_l2x0(void)
107{
108 void __iomem *l2x0_base;
109 void __iomem *clkctl_base;
110/*
111 * First of all, we must repair broken chip settings. There are some
112 * i.MX35 CPUs in the wild, comming with bogus L2 cache settings. These
113 * misconfigured CPUs will run amok immediately when the L2 cache gets enabled.
114 * Workaraound is to setup the correct register setting prior enabling the
115 * L2 cache. This should not hurt already working CPUs, as they are using the
116 * same value
117 */
118#define L2_MEM_VAL 0x10
119
120 clkctl_base = ioremap(MX35_CLKCTL_BASE_ADDR, 4096);
121 if (clkctl_base != NULL) {
122 writel(0x00000515, clkctl_base + L2_MEM_VAL);
123 iounmap(clkctl_base);
124 } else {
125 pr_err("L2 cache: Cannot fix timing. Trying to continue without\n");
126 }
127
128 l2x0_base = ioremap(MX3x_L2CC_BASE_ADDR, 4096);
129 if (IS_ERR(l2x0_base)) {
130 printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
131 PTR_ERR(l2x0_base));
132 return 0;
133 }
134
135 l2x0_init(l2x0_base, 0x00030024, 0x00000000);
136
137 return 0;
138}
139
140arch_initcall(mxc_init_l2x0);
141#endif