diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 16:54:27 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 16:54:27 -0800 |
commit | 64d497f55379b1e320a08ec2426468d96f5642ec (patch) | |
tree | 22b9ab3c5e69c5cc2728cbc2ca7fc7623beef8f1 /arch/sh/boards/mach-sdk7786/irq.c | |
parent | 37d4008484977f60d5d37499a2670c79b214dd46 (diff) | |
parent | b5f5fe80fa98a60daa0fa94512d1599b1e26674c (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (187 commits)
sh: remove dead LED code for migo-r and ms7724se
sh: ecovec build fix for CONFIG_I2C=n
sh: ecovec r-standby support
sh: ms7724se r-standby support
sh: SH-Mobile R-standby register save/restore
clocksource: Fix up a registration/IRQ race in the sh drivers.
sh: ms7724: modify scan_timing for KEYSC
sh: ms7724: Add sh_sir support
sh: mach-ecovec24: Add sh_sir support
sh: wire up SET/GET_UNALIGN_CTL.
sh: allow alignment fault mode to be configured at kernel boot.
sh: sh7724: Update FSI/SPU2 clock
sh: always enable sh7724 vpu_clk and set to 166MHz on Ecovec
sh: add sh7724 kick callback to clk_div4_table
sh: introduce struct clk_div4_table
sh: clock-cpg div4 set_rate() shift fix
sh: Turn on speculative return for SH7785 and SH7786
sh: Merge legacy and dynamic PMB modes.
sh: Use uncached I/O helpers in PMB setup.
sh: Provide uncached I/O helpers.
...
Diffstat (limited to 'arch/sh/boards/mach-sdk7786/irq.c')
-rw-r--r-- | arch/sh/boards/mach-sdk7786/irq.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-sdk7786/irq.c b/arch/sh/boards/mach-sdk7786/irq.c new file mode 100644 index 00000000000..46943a0da5b --- /dev/null +++ b/arch/sh/boards/mach-sdk7786/irq.c @@ -0,0 +1,48 @@ +/* + * SDK7786 FPGA IRQ Controller Support. + * + * Copyright (C) 2010 Matt Fleming + * Copyright (C) 2010 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/irq.h> +#include <mach/fpga.h> +#include <mach/irq.h> + +enum { + ATA_IRQ_BIT = 1, + SPI_BUSY_BIT = 2, + LIRQ5_BIT = 3, + LIRQ6_BIT = 4, + LIRQ7_BIT = 5, + LIRQ8_BIT = 6, + KEY_IRQ_BIT = 7, + PEN_IRQ_BIT = 8, + ETH_IRQ_BIT = 9, + RTC_ALARM_BIT = 10, + CRYSTAL_FAIL_BIT = 12, + ETH_PME_BIT = 14, +}; + +void __init sdk7786_init_irq(void) +{ + unsigned int tmp; + + /* Enable priority encoding for all IRLs */ + fpga_write_reg(fpga_read_reg(INTMSR) | 0x0303, INTMSR); + + /* Clear FPGA interrupt status registers */ + fpga_write_reg(0x0000, INTASR); + fpga_write_reg(0x0000, INTBSR); + + /* Unmask FPGA interrupts */ + tmp = fpga_read_reg(INTAMR); + tmp &= ~(1 << ETH_IRQ_BIT); + fpga_write_reg(tmp, INTAMR); + + plat_irq_setup_pins(IRQ_MODE_IRL7654_MASK); + plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK); +} |