projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 183bd50f AS |
1 | /* |
| 2 | * emu.c | |
| 3 | * | |
| 4 | * ETM and ETB CoreSight components' resources as found in OMAP3xxx. | |
| 5 | * | |
| 6 | * Copyright (C) 2009 Nokia Corporation. | |
| 7 | * Alexander Shishkin | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License version 2 as | |
| 11 | * published by the Free Software Foundation. | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/kernel.h> | |
| 15 | #include <linux/init.h> | |
| 16 | #include <linux/types.h> | |
| 17 | #include <linux/module.h> | |
| 18 | #include <linux/device.h> | |
| 19 | #include <linux/amba/bus.h> | |
| 20 | #include <linux/io.h> | |
| 21 | #include <linux/clk.h> | |
| 22 | #include <linux/err.h> | |
| 23 | ||
| 24 | MODULE_LICENSE("GPL"); | |
| 25 | MODULE_AUTHOR("Alexander Shishkin"); | |
| 26 | ||
| 27 | /* Cortex CoreSight components within omap3xxx EMU */ | |
| 28 | #define ETM_BASE (L4_EMU_34XX_PHYS + 0x10000) | |
| 29 | #define DBG_BASE (L4_EMU_34XX_PHYS + 0x11000) | |
| 30 | #define ETB_BASE (L4_EMU_34XX_PHYS + 0x1b000) | |
| 31 | #define DAPCTL (L4_EMU_34XX_PHYS + 0x1d000) | |
| 32 | ||
| 33 | static struct amba_device omap3_etb_device = { | |
| 34 | .dev = { | |
| 35 | .init_name = "etb", | |
| 36 | }, | |
| 37 | .res = { | |
| 38 | .start = ETB_BASE, | |
| 39 | .end = ETB_BASE + SZ_4K - 1, | |
| 40 | .flags = IORESOURCE_MEM, | |
| 41 | }, | |
| 42 | .periphid = 0x000bb907, | |
| 43 | }; | |
| 44 | ||
| 45 | static struct amba_device omap3_etm_device = { | |
| 46 | .dev = { | |
| 47 | .init_name = "etm", | |
| 48 | }, | |
| 49 | .res = { | |
| 50 | .start = ETM_BASE, | |
| 51 | .end = ETM_BASE + SZ_4K - 1, | |
| 52 | .flags = IORESOURCE_MEM, | |
| 53 | }, | |
| 54 | .periphid = 0x102bb921, | |
| 55 | }; | |
| 56 | ||
| 57 | static int __init emu_init(void) | |
| 58 | { | |
| 4323e9f7 TL |
59 | if (!cpu_is_omap34xx()) |
| 60 | return -ENODEV; | |
| 61 | ||
| 183bd50f AS |
62 | amba_device_register(&omap3_etb_device, &iomem_resource); |
| 63 | amba_device_register(&omap3_etm_device, &iomem_resource); | |
| 64 | ||
| 65 | return 0; | |
| 66 | } | |
| 67 | ||
| 68 | subsys_initcall(emu_init); | |
| 69 |