diff options
Diffstat (limited to 'arch/arm/mach-mx3/mm.c')
-rw-r--r-- | arch/arm/mach-mx3/mm.c | 141 |
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 +++ /dev/null | |||
@@ -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 | ||
34 | static 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 | */ | ||
47 | void __init mx31_map_io(void) | ||
48 | { | ||
49 | iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc)); | ||
50 | } | ||
51 | |||
52 | void __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 | |||
58 | static 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 | |||
64 | void __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 | ||
72 | static 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 | |||
80 | void __init mx35_map_io(void) | ||
81 | { | ||
82 | iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc)); | ||
83 | } | ||
84 | |||
85 | void __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 | |||
92 | static 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 | |||
98 | void __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 | ||
106 | static 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 | |||
140 | arch_initcall(mxc_init_l2x0); | ||
141 | #endif | ||