diff options
author | Joseph Lo <josephl@nvidia.com> | 2012-08-16 05:31:50 -0400 |
---|---|---|
committer | Stephen Warren <swarren@nvidia.com> | 2012-09-13 13:41:06 -0400 |
commit | c2be5bfcc986e688c0c9b427b9fb33be178437d8 (patch) | |
tree | 66d900ceb5b57fe3e8008e0d0480518b3046eb9c /arch/arm/mach-tegra | |
parent | bb6032776d81d01cf6fecac7ccc27dd5abbffd7a (diff) |
ARM: tegra: clean up the common assembly macros into sleep.h
There are some common macros for Tegra low-level assembly code. Clean
up them into one header file and move the definitions that will be
re-used into it as well.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r-- | arch/arm/mach-tegra/headsmp.S | 6 | ||||
-rw-r--r-- | arch/arm/mach-tegra/sleep.S | 33 | ||||
-rw-r--r-- | arch/arm/mach-tegra/sleep.h | 56 |
3 files changed, 58 insertions, 37 deletions
diff --git a/arch/arm/mach-tegra/headsmp.S b/arch/arm/mach-tegra/headsmp.S index fef9c2c51370..6addc78cb6b2 100644 --- a/arch/arm/mach-tegra/headsmp.S +++ b/arch/arm/mach-tegra/headsmp.S | |||
@@ -7,17 +7,13 @@ | |||
7 | 7 | ||
8 | #include "flowctrl.h" | 8 | #include "flowctrl.h" |
9 | #include "reset.h" | 9 | #include "reset.h" |
10 | #include "sleep.h" | ||
10 | 11 | ||
11 | #define APB_MISC_GP_HIDREV 0x804 | 12 | #define APB_MISC_GP_HIDREV 0x804 |
12 | #define PMC_SCRATCH41 0x140 | 13 | #define PMC_SCRATCH41 0x140 |
13 | 14 | ||
14 | #define RESET_DATA(x) ((TEGRA_RESET_##x)*4) | 15 | #define RESET_DATA(x) ((TEGRA_RESET_##x)*4) |
15 | 16 | ||
16 | .macro mov32, reg, val | ||
17 | movw \reg, #:lower16:\val | ||
18 | movt \reg, #:upper16:\val | ||
19 | .endm | ||
20 | |||
21 | .section ".text.head", "ax" | 17 | .section ".text.head", "ax" |
22 | __CPUINIT | 18 | __CPUINIT |
23 | 19 | ||
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S index d29b156a8011..ea81554c4833 100644 --- a/arch/arm/mach-tegra/sleep.S +++ b/arch/arm/mach-tegra/sleep.S | |||
@@ -29,36 +29,5 @@ | |||
29 | #include <mach/iomap.h> | 29 | #include <mach/iomap.h> |
30 | 30 | ||
31 | #include "flowctrl.h" | 31 | #include "flowctrl.h" |
32 | #include "sleep.h" | ||
32 | 33 | ||
33 | #define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \ | ||
34 | + IO_PPSB_VIRT) | ||
35 | |||
36 | /* returns the offset of the flow controller halt register for a cpu */ | ||
37 | .macro cpu_to_halt_reg rd, rcpu | ||
38 | cmp \rcpu, #0 | ||
39 | subne \rd, \rcpu, #1 | ||
40 | movne \rd, \rd, lsl #3 | ||
41 | addne \rd, \rd, #0x14 | ||
42 | moveq \rd, #0 | ||
43 | .endm | ||
44 | |||
45 | /* returns the offset of the flow controller csr register for a cpu */ | ||
46 | .macro cpu_to_csr_reg rd, rcpu | ||
47 | cmp \rcpu, #0 | ||
48 | subne \rd, \rcpu, #1 | ||
49 | movne \rd, \rd, lsl #3 | ||
50 | addne \rd, \rd, #0x18 | ||
51 | moveq \rd, #8 | ||
52 | .endm | ||
53 | |||
54 | /* returns the ID of the current processor */ | ||
55 | .macro cpu_id, rd | ||
56 | mrc p15, 0, \rd, c0, c0, 5 | ||
57 | and \rd, \rd, #0xF | ||
58 | .endm | ||
59 | |||
60 | /* loads a 32-bit value into a register without a data access */ | ||
61 | .macro mov32, reg, val | ||
62 | movw \reg, #:lower16:\val | ||
63 | movt \reg, #:upper16:\val | ||
64 | .endm | ||
diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h new file mode 100644 index 000000000000..d0c7a8b1c885 --- /dev/null +++ b/arch/arm/mach-tegra/sleep.h | |||
@@ -0,0 +1,56 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
15 | */ | ||
16 | |||
17 | #ifndef __MACH_TEGRA_SLEEP_H | ||
18 | #define __MACH_TEGRA_SLEEP_H | ||
19 | |||
20 | #include <mach/iomap.h> | ||
21 | |||
22 | #define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \ | ||
23 | + IO_PPSB_VIRT) | ||
24 | |||
25 | #ifdef __ASSEMBLY__ | ||
26 | /* returns the offset of the flow controller halt register for a cpu */ | ||
27 | .macro cpu_to_halt_reg rd, rcpu | ||
28 | cmp \rcpu, #0 | ||
29 | subne \rd, \rcpu, #1 | ||
30 | movne \rd, \rd, lsl #3 | ||
31 | addne \rd, \rd, #0x14 | ||
32 | moveq \rd, #0 | ||
33 | .endm | ||
34 | |||
35 | /* returns the offset of the flow controller csr register for a cpu */ | ||
36 | .macro cpu_to_csr_reg rd, rcpu | ||
37 | cmp \rcpu, #0 | ||
38 | subne \rd, \rcpu, #1 | ||
39 | movne \rd, \rd, lsl #3 | ||
40 | addne \rd, \rd, #0x18 | ||
41 | moveq \rd, #8 | ||
42 | .endm | ||
43 | |||
44 | /* returns the ID of the current processor */ | ||
45 | .macro cpu_id, rd | ||
46 | mrc p15, 0, \rd, c0, c0, 5 | ||
47 | and \rd, \rd, #0xF | ||
48 | .endm | ||
49 | |||
50 | /* loads a 32-bit value into a register without a data access */ | ||
51 | .macro mov32, reg, val | ||
52 | movw \reg, #:lower16:\val | ||
53 | movt \reg, #:upper16:\val | ||
54 | .endm | ||
55 | #endif | ||
56 | #endif | ||