diff options
Diffstat (limited to 'arch/arm/mach-spear6xx/spear6xx.c')
-rw-r--r-- | arch/arm/mach-spear6xx/spear6xx.c | 132 |
1 files changed, 36 insertions, 96 deletions
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c index b997b1b10ba0..2ed8b14c82c8 100644 --- a/arch/arm/mach-spear6xx/spear6xx.c +++ b/arch/arm/mach-spear6xx/spear6xx.c | |||
@@ -6,111 +6,21 @@ | |||
6 | * Copyright (C) 2009 ST Microelectronics | 6 | * Copyright (C) 2009 ST Microelectronics |
7 | * Rajeev Kumar<rajeev-dlh.kumar@st.com> | 7 | * Rajeev Kumar<rajeev-dlh.kumar@st.com> |
8 | * | 8 | * |
9 | * Copyright 2012 Stefan Roese <sr@denx.de> | ||
10 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | 11 | * This file is licensed under the terms of the GNU General Public |
10 | * License version 2. This program is licensed "as is" without any | 12 | * License version 2. This program is licensed "as is" without any |
11 | * warranty of any kind, whether express or implied. | 13 | * warranty of any kind, whether express or implied. |
12 | */ | 14 | */ |
13 | 15 | ||
14 | #include <linux/types.h> | 16 | #include <linux/of.h> |
15 | #include <linux/amba/pl061.h> | 17 | #include <linux/of_address.h> |
16 | #include <linux/ptrace.h> | 18 | #include <linux/of_irq.h> |
17 | #include <linux/io.h> | 19 | #include <linux/of_platform.h> |
18 | #include <asm/hardware/vic.h> | 20 | #include <asm/hardware/vic.h> |
19 | #include <asm/irq.h> | ||
20 | #include <asm/mach/arch.h> | 21 | #include <asm/mach/arch.h> |
21 | #include <mach/generic.h> | 22 | #include <mach/generic.h> |
22 | #include <mach/hardware.h> | 23 | #include <mach/hardware.h> |
23 | #include <mach/irqs.h> | ||
24 | |||
25 | /* Add spear6xx machines common devices here */ | ||
26 | /* uart device registration */ | ||
27 | struct amba_device uart_device[] = { | ||
28 | { | ||
29 | .dev = { | ||
30 | .init_name = "uart0", | ||
31 | }, | ||
32 | .res = { | ||
33 | .start = SPEAR6XX_ICM1_UART0_BASE, | ||
34 | .end = SPEAR6XX_ICM1_UART0_BASE + SZ_4K - 1, | ||
35 | .flags = IORESOURCE_MEM, | ||
36 | }, | ||
37 | .irq = {IRQ_UART_0}, | ||
38 | }, { | ||
39 | .dev = { | ||
40 | .init_name = "uart1", | ||
41 | }, | ||
42 | .res = { | ||
43 | .start = SPEAR6XX_ICM1_UART1_BASE, | ||
44 | .end = SPEAR6XX_ICM1_UART1_BASE + SZ_4K - 1, | ||
45 | .flags = IORESOURCE_MEM, | ||
46 | }, | ||
47 | .irq = {IRQ_UART_1}, | ||
48 | } | ||
49 | }; | ||
50 | |||
51 | /* gpio device registration */ | ||
52 | static struct pl061_platform_data gpio_plat_data[] = { | ||
53 | { | ||
54 | .gpio_base = 0, | ||
55 | .irq_base = SPEAR_GPIO0_INT_BASE, | ||
56 | }, { | ||
57 | .gpio_base = 8, | ||
58 | .irq_base = SPEAR_GPIO1_INT_BASE, | ||
59 | }, { | ||
60 | .gpio_base = 16, | ||
61 | .irq_base = SPEAR_GPIO2_INT_BASE, | ||
62 | }, | ||
63 | }; | ||
64 | |||
65 | struct amba_device gpio_device[] = { | ||
66 | { | ||
67 | .dev = { | ||
68 | .init_name = "gpio0", | ||
69 | .platform_data = &gpio_plat_data[0], | ||
70 | }, | ||
71 | .res = { | ||
72 | .start = SPEAR6XX_CPU_GPIO_BASE, | ||
73 | .end = SPEAR6XX_CPU_GPIO_BASE + SZ_4K - 1, | ||
74 | .flags = IORESOURCE_MEM, | ||
75 | }, | ||
76 | .irq = {IRQ_LOCAL_GPIO}, | ||
77 | }, { | ||
78 | .dev = { | ||
79 | .init_name = "gpio1", | ||
80 | .platform_data = &gpio_plat_data[1], | ||
81 | }, | ||
82 | .res = { | ||
83 | .start = SPEAR6XX_ICM3_GPIO_BASE, | ||
84 | .end = SPEAR6XX_ICM3_GPIO_BASE + SZ_4K - 1, | ||
85 | .flags = IORESOURCE_MEM, | ||
86 | }, | ||
87 | .irq = {IRQ_BASIC_GPIO}, | ||
88 | }, { | ||
89 | .dev = { | ||
90 | .init_name = "gpio2", | ||
91 | .platform_data = &gpio_plat_data[2], | ||
92 | }, | ||
93 | .res = { | ||
94 | .start = SPEAR6XX_ICM2_GPIO_BASE, | ||
95 | .end = SPEAR6XX_ICM2_GPIO_BASE + SZ_4K - 1, | ||
96 | .flags = IORESOURCE_MEM, | ||
97 | }, | ||
98 | .irq = {IRQ_APPL_GPIO}, | ||
99 | } | ||
100 | }; | ||
101 | |||
102 | /* This will add devices, and do machine specific tasks */ | ||
103 | void __init spear6xx_init(void) | ||
104 | { | ||
105 | /* nothing to do for now */ | ||
106 | } | ||
107 | |||
108 | /* This will initialize vic */ | ||
109 | void __init spear6xx_init_irq(void) | ||
110 | { | ||
111 | vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_PRI_BASE, 0, ~0, 0); | ||
112 | vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_SEC_BASE, 32, ~0, 0); | ||
113 | } | ||
114 | 24 | ||
115 | /* Following will create static virtual/physical mappings */ | 25 | /* Following will create static virtual/physical mappings */ |
116 | static struct map_desc spear6xx_io_desc[] __initdata = { | 26 | static struct map_desc spear6xx_io_desc[] __initdata = { |
@@ -181,3 +91,33 @@ static void __init spear6xx_timer_init(void) | |||
181 | struct sys_timer spear6xx_timer = { | 91 | struct sys_timer spear6xx_timer = { |
182 | .init = spear6xx_timer_init, | 92 | .init = spear6xx_timer_init, |
183 | }; | 93 | }; |
94 | |||
95 | static void __init spear600_dt_init(void) | ||
96 | { | ||
97 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); | ||
98 | } | ||
99 | |||
100 | static const char *spear600_dt_board_compat[] = { | ||
101 | "st,spear600", | ||
102 | NULL | ||
103 | }; | ||
104 | |||
105 | static const struct of_device_id vic_of_match[] __initconst = { | ||
106 | { .compatible = "arm,pl190-vic", .data = vic_of_init, }, | ||
107 | { /* Sentinel */ } | ||
108 | }; | ||
109 | |||
110 | static void __init spear6xx_dt_init_irq(void) | ||
111 | { | ||
112 | of_irq_init(vic_of_match); | ||
113 | } | ||
114 | |||
115 | DT_MACHINE_START(SPEAR600_DT, "ST SPEAr600 (Flattened Device Tree)") | ||
116 | .map_io = spear6xx_map_io, | ||
117 | .init_irq = spear6xx_dt_init_irq, | ||
118 | .handle_irq = vic_handle_irq, | ||
119 | .timer = &spear6xx_timer, | ||
120 | .init_machine = spear600_dt_init, | ||
121 | .restart = spear_restart, | ||
122 | .dt_compat = spear600_dt_board_compat, | ||
123 | MACHINE_END | ||