diff options
| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2011-07-22 23:55:42 +0400 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-11-24 02:01:40 -0600 |
| commit | d4fb5ebd83c7044ce0784e899271f6fcb42d0713 (patch) | |
| tree | fca4a27cb58db825f50812fe882efc800871d4d8 /arch/powerpc/platforms/83xx/misc.c | |
| parent | c0019a4d6700e22409ffeaf6dbfa0b0700d128ca (diff) | |
| download | op-kernel-dev-d4fb5ebd83c7044ce0784e899271f6fcb42d0713.zip op-kernel-dev-d4fb5ebd83c7044ce0784e899271f6fcb42d0713.tar.gz | |
powerpc/83xx: consolidate init_IRQ functions
On mpc83xx platform nearly all _init_IRQ functions look alike. They either
just setup ipic, or setup ipic and QE PIC. Separate this to special functions
to be either referenced from ppc_md, or called from board file.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/83xx/misc.c')
| -rw-r--r-- | arch/powerpc/platforms/83xx/misc.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c index f01806c..4ac60cc 100644 --- a/arch/powerpc/platforms/83xx/misc.c +++ b/arch/powerpc/platforms/83xx/misc.c @@ -11,9 +11,12 @@ #include <linux/stddef.h> #include <linux/kernel.h> +#include <linux/of_platform.h> #include <asm/io.h> #include <asm/hw_irq.h> +#include <asm/ipic.h> +#include <asm/qe_ic.h> #include <sysdev/fsl_soc.h> #include "mpc83xx.h" @@ -65,3 +68,46 @@ long __init mpc83xx_time_init(void) return 0; } + +void __init mpc83xx_ipic_init_IRQ(void) +{ + struct device_node *np; + + /* looking for fsl,pq2pro-pic which is asl compatible with fsl,ipic */ + np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); + if (!np) + np = of_find_node_by_type(NULL, "ipic"); + if (!np) + return; + + ipic_init(np, 0); + + of_node_put(np); + + /* Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +#ifdef CONFIG_QUICC_ENGINE +void __init mpc83xx_qe_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); + if (!np) { + np = of_find_node_by_type(NULL, "qeic"); + if (!np) + return; + } + qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic); + of_node_put(np); +} + +void __init mpc83xx_ipic_and_qe_init_IRQ(void) +{ + mpc83xx_ipic_init_IRQ(); + mpc83xx_qe_init_IRQ(); +} +#endif /* CONFIG_QUICC_ENGINE */ |
