xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: davinci: select GENERIC_IRQ_MULTI_HANDLER

Browse Source 
In order to support SPARSE_IRQ we first need to make davinci use the
generic irq handler for ARM. Translate the legacy assembly to C and
put the irq handlers into their respective drivers (aintc and cp-intc).

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Bartosz Golaszewski
2019-02-14 15:51:58 +01:00
committed by Sekhar Nori
parent 74b0eac242
commit d0064594f2
4 changed files with 52 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
arch/arm/mach-davinci/include/mach/entry-macro.S
View File

@@ -1,39 +0,0 @@
/*
* Low-level IRQ helper macros for TI DaVinci-based platforms
*
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <mach/irqs.h>
.macro get_irqnr_preamble, base, tmp
ldr \base, =davinci_intc_base
ldr \base, [\base]
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
#if defined(CONFIG_AINTC) && defined(CONFIG_CP_INTC)
ldr \tmp, =davinci_intc_type
ldr \tmp, [\tmp]
cmp \tmp, #DAVINCI_INTC_TYPE_CP_INTC
beq 1001f
#endif
#if defined(CONFIG_AINTC)
ldr \tmp, [\base, #0x14]
movs \tmp, \tmp, lsr #2
sub \irqnr, \tmp, #1
b 1002f
#endif
#if defined(CONFIG_CP_INTC)
1001: ldr \irqnr, [\base, #0x80] /* get irq number */
mov \tmp, \irqnr, lsr #31
and \irqnr, \irqnr, #0xff /* irq is in bits 0-9 */
and \tmp, \tmp, #0x1
cmp \tmp, #0x1
#endif
1002:
.endm