diff options
Diffstat (limited to 'arch/arm/mach-mmp/mmp2.c')
-rw-r--r-- | arch/arm/mach-mmp/mmp2.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c new file mode 100644 index 000000000000..72eb9daeea99 --- /dev/null +++ b/arch/arm/mach-mmp/mmp2.c | |||
@@ -0,0 +1,123 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-mmp/mmp2.c | ||
3 | * | ||
4 | * code name MMP2 | ||
5 | * | ||
6 | * Copyright (C) 2009 Marvell International Ltd. | ||
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 version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #include <linux/module.h> | ||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/io.h> | ||
17 | |||
18 | #include <mach/addr-map.h> | ||
19 | #include <mach/regs-apbc.h> | ||
20 | #include <mach/regs-apmu.h> | ||
21 | #include <mach/cputype.h> | ||
22 | #include <mach/irqs.h> | ||
23 | #include <mach/mfp.h> | ||
24 | #include <mach/gpio.h> | ||
25 | #include <mach/devices.h> | ||
26 | |||
27 | #include "common.h" | ||
28 | #include "clock.h" | ||
29 | |||
30 | #define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000) | ||
31 | |||
32 | #define APMASK(i) (GPIO_REGS_VIRT + BANK_OFF(i) + 0x9c) | ||
33 | |||
34 | static struct mfp_addr_map mmp2_addr_map[] __initdata = { | ||
35 | MFP_ADDR(PMIC_INT, 0x2c4), | ||
36 | |||
37 | MFP_ADDR_END, | ||
38 | }; | ||
39 | |||
40 | void mmp2_clear_pmic_int(void) | ||
41 | { | ||
42 | unsigned long mfpr_pmic, data; | ||
43 | |||
44 | mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4; | ||
45 | data = __raw_readl(mfpr_pmic); | ||
46 | __raw_writel(data | (1 << 6), mfpr_pmic); | ||
47 | __raw_writel(data, mfpr_pmic); | ||
48 | } | ||
49 | |||
50 | static void __init mmp2_init_gpio(void) | ||
51 | { | ||
52 | int i; | ||
53 | |||
54 | /* enable GPIO clock */ | ||
55 | __raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_MMP2_GPIO); | ||
56 | |||
57 | /* unmask GPIO edge detection for all 6 banks -- APMASKx */ | ||
58 | for (i = 0; i < 6; i++) | ||
59 | __raw_writel(0xffffffff, APMASK(i)); | ||
60 | |||
61 | pxa_init_gpio(IRQ_MMP2_GPIO, 0, 167, NULL); | ||
62 | } | ||
63 | |||
64 | void __init mmp2_init_irq(void) | ||
65 | { | ||
66 | mmp2_init_icu(); | ||
67 | mmp2_init_gpio(); | ||
68 | } | ||
69 | |||
70 | /* APB peripheral clocks */ | ||
71 | static APBC_CLK(uart1, MMP2_UART1, 1, 26000000); | ||
72 | static APBC_CLK(uart2, MMP2_UART2, 1, 26000000); | ||
73 | static APBC_CLK(uart3, MMP2_UART3, 1, 26000000); | ||
74 | static APBC_CLK(uart4, MMP2_UART4, 1, 26000000); | ||
75 | static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000); | ||
76 | static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000); | ||
77 | static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000); | ||
78 | static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000); | ||
79 | static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000); | ||
80 | static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000); | ||
81 | static APBC_CLK(rtc, MMP2_RTC, 0, 32768); | ||
82 | |||
83 | static APMU_CLK(nand, NAND, 0xbf, 100000000); | ||
84 | |||
85 | static struct clk_lookup mmp2_clkregs[] = { | ||
86 | INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL), | ||
87 | INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL), | ||
88 | INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL), | ||
89 | INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL), | ||
90 | INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL), | ||
91 | INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL), | ||
92 | INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL), | ||
93 | INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL), | ||
94 | INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL), | ||
95 | INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL), | ||
96 | INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), | ||
97 | }; | ||
98 | |||
99 | static int __init mmp2_init(void) | ||
100 | { | ||
101 | if (cpu_is_mmp2()) { | ||
102 | mfp_init_base(MFPR_VIRT_BASE); | ||
103 | mfp_init_addr(mmp2_addr_map); | ||
104 | clks_register(ARRAY_AND_SIZE(mmp2_clkregs)); | ||
105 | } | ||
106 | |||
107 | return 0; | ||
108 | } | ||
109 | postcore_initcall(mmp2_init); | ||
110 | |||
111 | /* on-chip devices */ | ||
112 | MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5); | ||
113 | MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21); | ||
114 | MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23); | ||
115 | MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19); | ||
116 | MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70); | ||
117 | MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70); | ||
118 | MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70); | ||
119 | MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70); | ||
120 | MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70); | ||
121 | MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70); | ||
122 | MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29); | ||
123 | |||