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-rw-r--r--arch/arm/mach-spear6xx/spear6xx.c132
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 */
27struct 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 */
52static 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
65struct 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 */
103void __init spear6xx_init(void)
104{
105 /* nothing to do for now */
106}
107
108/* This will initialize vic */
109void __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 */
116static struct map_desc spear6xx_io_desc[] __initdata = { 26static struct map_desc spear6xx_io_desc[] __initdata = {
@@ -181,3 +91,33 @@ static void __init spear6xx_timer_init(void)
181struct sys_timer spear6xx_timer = { 91struct sys_timer spear6xx_timer = {
182 .init = spear6xx_timer_init, 92 .init = spear6xx_timer_init,
183}; 93};
94
95static void __init spear600_dt_init(void)
96{
97 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
98}
99
100static const char *spear600_dt_board_compat[] = {
101 "st,spear600",
102 NULL
103};
104
105static const struct of_device_id vic_of_match[] __initconst = {
106 { .compatible = "arm,pl190-vic", .data = vic_of_init, },
107 { /* Sentinel */ }
108};
109
110static void __init spear6xx_dt_init_irq(void)
111{
112 of_irq_init(vic_of_match);
113}
114
115DT_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,
123MACHINE_END