2 * Copyright (C) ST-Ericsson SA 2010
4 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
5 * License terms: GNU General Public License (GPL) version 2
8 #include <linux/platform_device.h>
9 #include <linux/amba/bus.h>
11 #include <linux/clk.h>
13 #include <asm/hardware/cache-l2x0.h>
14 #include <asm/hardware/gic.h>
15 #include <asm/mach/map.h>
16 #include <asm/localtimer.h>
19 #include <mach/hardware.h>
20 #include <mach/setup.h>
21 #include <mach/devices.h>
25 static struct map_desc ux500_io_desc
[] __initdata
= {
26 __IO_DEV_DESC(UX500_UART0_BASE
, SZ_4K
),
27 __IO_DEV_DESC(UX500_UART2_BASE
, SZ_4K
),
29 __IO_DEV_DESC(UX500_GIC_CPU_BASE
, SZ_4K
),
30 __IO_DEV_DESC(UX500_GIC_DIST_BASE
, SZ_4K
),
31 __IO_DEV_DESC(UX500_L2CC_BASE
, SZ_4K
),
32 __IO_DEV_DESC(UX500_TWD_BASE
, SZ_4K
),
33 __IO_DEV_DESC(UX500_SCU_BASE
, SZ_4K
),
35 __IO_DEV_DESC(UX500_CLKRST1_BASE
, SZ_4K
),
36 __IO_DEV_DESC(UX500_CLKRST2_BASE
, SZ_4K
),
37 __IO_DEV_DESC(UX500_CLKRST3_BASE
, SZ_4K
),
38 __IO_DEV_DESC(UX500_CLKRST5_BASE
, SZ_4K
),
39 __IO_DEV_DESC(UX500_CLKRST6_BASE
, SZ_4K
),
41 __IO_DEV_DESC(UX500_MTU0_BASE
, SZ_4K
),
42 __IO_DEV_DESC(UX500_MTU1_BASE
, SZ_4K
),
44 __IO_DEV_DESC(UX500_BACKUPRAM0_BASE
, SZ_8K
),
47 static struct amba_device
*ux500_amba_devs
[] __initdata
= {
51 void __init
ux500_map_io(void)
53 iotable_init(ux500_io_desc
, ARRAY_SIZE(ux500_io_desc
));
56 void __init
ux500_init_devices(void)
58 amba_add_devices(ux500_amba_devs
, ARRAY_SIZE(ux500_amba_devs
));
61 void __init
ux500_init_irq(void)
63 gic_dist_init(0, __io_address(UX500_GIC_DIST_BASE
), 29);
64 gic_cpu_init(0, __io_address(UX500_GIC_CPU_BASE
));
67 * Init clocks here so that they are available for system timer
73 #ifdef CONFIG_CACHE_L2X0
74 static int ux500_l2x0_init(void)
76 void __iomem
*l2x0_base
;
78 l2x0_base
= __io_address(UX500_L2CC_BASE
);
80 /* 64KB way size, 8 way associativity, force WA */
81 l2x0_init(l2x0_base
, 0x3e060000, 0xc0000fff);
85 early_initcall(ux500_l2x0_init
);
88 static void __init
ux500_timer_init(void)
90 #ifdef CONFIG_LOCAL_TIMERS
91 /* Setup the local timer base */
92 twd_base
= __io_address(UX500_TWD_BASE
);
94 /* Setup the MTU base */
96 mtu_base
= __io_address(U8500_MTU0_BASE_ED
);
98 mtu_base
= __io_address(UX500_MTU0_BASE
);
103 struct sys_timer ux500_timer
= {
104 .init
= ux500_timer_init
,