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| author | Bo Shen <voice.shen@atmel.com> | 2014-12-15 13:24:35 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2015-02-07 23:42:50 +0100 |
| commit | 569bbd3ceb1f3ca9d1f448178cd67f3eea4e01c4 (patch) | |
| tree | 21d7584d11183c6c55651eeb6a61ff474dc8ee5a /arch/arm/cpu | |
| parent | 09f5c9745b15ea6ab008092ace6f01f7b108c79d (diff) | |
| download | talos-obmc-uboot-569bbd3ceb1f3ca9d1f448178cd67f3eea4e01c4.tar.gz talos-obmc-uboot-569bbd3ceb1f3ca9d1f448178cd67f3eea4e01c4.zip | |
ARM: atmel: sama5d4: add interrupt redirect function
Signed-off-by: Bo Shen <voice.shen@atmel.com>
[fix subject]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/at91/sama5d4_devices.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c b/arch/arm/cpu/armv7/at91/sama5d4_devices.c index 9c63e99899..ef39cb7e08 100644 --- a/arch/arm/cpu/armv7/at91/sama5d4_devices.c +++ b/arch/arm/cpu/armv7/at91/sama5d4_devices.c @@ -11,6 +11,7 @@ #include <asm/arch/at91_pmc.h> #include <asm/arch/clk.h> #include <asm/arch/sama5_matrix.h> +#include <asm/arch/sama5_sfr.h> #include <asm/arch/sama5d4.h> char *get_cpu_name() @@ -78,4 +79,15 @@ void matrix_init(void) writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr); writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr); } + +void redirect_int_from_saic_to_aic(void) +{ + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; + u32 key32; + + if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) { + key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY; + writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir); + } +} #endif |
