git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 178980f9 RV |
1 | /* |
| 2 | * Copyright (C) ST-Ericsson SA 2010 | |
| 3 | * | |
| 4 | * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson | |
| 5 | * License terms: GNU General Public License (GPL) version 2 | |
| 6 | */ | |
| 7 | ||
| 8 | #include <linux/platform_device.h> | |
| 9 | #include <linux/amba/bus.h> | |
| 10 | #include <linux/io.h> | |
| 11 | #include <linux/clk.h> | |
| 12 | ||
| 13 | #include <asm/hardware/cache-l2x0.h> | |
| 14 | #include <asm/hardware/gic.h> | |
| 15 | #include <asm/mach/map.h> | |
| 41ac329f | 16 | #include <asm/localtimer.h> |
| 178980f9 | 17 | |
| 41ac329f | 18 | #include <plat/mtu.h> |
| 178980f9 RV |
19 | #include <mach/hardware.h> |
| 20 | #include <mach/setup.h> | |
| d48fd006 | 21 | #include <mach/devices.h> |
| 178980f9 RV |
22 | |
| 23 | #include "clock.h" | |
| 24 | ||
| 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), | |
| 28 | ||
| 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), | |
| 34 | ||
| 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), | |
| 40 | ||
| 41 | __IO_DEV_DESC(UX500_MTU0_BASE, SZ_4K), | |
| 42 | __IO_DEV_DESC(UX500_MTU1_BASE, SZ_4K), | |
| 43 | ||
| 44 | __IO_DEV_DESC(UX500_BACKUPRAM0_BASE, SZ_8K), | |
| 45 | }; | |
| 46 | ||
| d48fd006 RV |
47 | static struct amba_device *ux500_amba_devs[] __initdata = { |
| 48 | &ux500_pl031_device, | |
| 49 | }; | |
| 50 | ||
| 178980f9 RV |
51 | void __init ux500_map_io(void) |
| 52 | { | |
| 53 | iotable_init(ux500_io_desc, ARRAY_SIZE(ux500_io_desc)); | |
| 54 | } | |
| 55 | ||
| d48fd006 RV |
56 | void __init ux500_init_devices(void) |
| 57 | { | |
| 58 | amba_add_devices(ux500_amba_devs, ARRAY_SIZE(ux500_amba_devs)); | |
| 59 | } | |
| 60 | ||
| 178980f9 RV |
61 | void __init ux500_init_irq(void) |
| 62 | { | |
| 63 | gic_dist_init(0, __io_address(UX500_GIC_DIST_BASE), 29); | |
| 64 | gic_cpu_init(0, __io_address(UX500_GIC_CPU_BASE)); | |
| ba327b1e LW |
65 | |
| 66 | /* | |
| 67 | * Init clocks here so that they are available for system timer | |
| 68 | * initialization. | |
| 69 | */ | |
| 70 | clk_init(); | |
| 178980f9 RV |
71 | } |
| 72 | ||
| 73 | #ifdef CONFIG_CACHE_L2X0 | |
| 74 | static int ux500_l2x0_init(void) | |
| 75 | { | |
| 76 | void __iomem *l2x0_base; | |
| 77 | ||
| 78 | l2x0_base = __io_address(UX500_L2CC_BASE); | |
| 79 | ||
| 80 | /* 64KB way size, 8 way associativity, force WA */ | |
| 81 | l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff); | |
| 82 | ||
| 83 | return 0; | |
| 84 | } | |
| 85 | early_initcall(ux500_l2x0_init); | |
| 86 | #endif | |
| 41ac329f RV |
87 | |
| 88 | static void __init ux500_timer_init(void) | |
| 89 | { | |
| 90 | #ifdef CONFIG_LOCAL_TIMERS | |
| 91 | /* Setup the local timer base */ | |
| 92 | twd_base = __io_address(UX500_TWD_BASE); | |
| 93 | #endif | |
| 94 | /* Setup the MTU base */ | |
| 95 | if (cpu_is_u8500ed()) | |
| 96 | mtu_base = __io_address(U8500_MTU0_BASE_ED); | |
| 97 | else | |
| 98 | mtu_base = __io_address(UX500_MTU0_BASE); | |
| 99 | ||
| 100 | nmdk_timer_init(); | |
| 101 | } | |
| 102 | ||
| 103 | struct sys_timer ux500_timer = { | |
| 104 | .init = ux500_timer_init, | |
| 105 | }; |