diff options
| author | David Howells <dhowells@redhat.com> | 2010-10-27 17:28:58 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2010-10-27 17:28:58 +0100 |
| commit | 6044cf1d9426dfd5cdc1e7b9cf8eaed6418e1ff6 (patch) | |
| tree | 3f6f209d37328ce1635df8f5d0b5df1cef1afe30 /arch/mn10300/unit-asb2364/include/unit | |
| parent | 730c1fad0ee22a170d2ee76a904709ee304931c0 (diff) | |
MN10300: ASB2364: Handle the IRQ multiplexer in the FPGA
Handle the IRQ multiplexer in the FPGA by implementing a cascade interrupt
driver for it.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/unit-asb2364/include/unit')
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/fpga-regs.h | 24 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/irq.h | 35 |
2 files changed, 48 insertions, 11 deletions
diff --git a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h b/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h index a039a50c91db..7cf12054db65 100644 --- a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h +++ b/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h @@ -14,17 +14,19 @@ #define ASB2364_FPGA_REG_RESET_USB __SYSREG(0xa900130c, u16) #define ASB2364_FPGA_REG_RESET_AV __SYSREG(0xa9001310, u16) -#define ASB2364_FPGA_REG_IRQ_LAN __SYSREG(0xa9001510, u16) -#define ASB2364_FPGA_REG_IRQ_UART __SYSREG(0xa9001514, u16) -#define ASB2364_FPGA_REG_IRQ_I2C __SYSREG(0xa9001518, u16) -#define ASB2364_FPGA_REG_IRQ_USB __SYSREG(0xa900151c, u16) -#define ASB2364_FPGA_REG_IRQ_FPGA __SYSREG(0xa9001524, u16) - -#define ASB2364_FPGA_REG_MASK_LAN __SYSREG(0xa9001590, u16) -#define ASB2364_FPGA_REG_MASK_UART __SYSREG(0xa9001594, u16) -#define ASB2364_FPGA_REG_MASK_I2C __SYSREG(0xa9001598, u16) -#define ASB2364_FPGA_REG_MASK_USB __SYSREG(0xa900159c, u16) -#define ASB2364_FPGA_REG_MASK_FPGA __SYSREG(0xa90015a4, u16) +#define ASB2364_FPGA_REG_IRQ(X) __SYSREG(0xa9001590+((X)*4), u16) +#define ASB2364_FPGA_REG_IRQ_LAN ASB2364_FPGA_REG_IRQ(0) +#define ASB2364_FPGA_REG_IRQ_UART ASB2364_FPGA_REG_IRQ(1) +#define ASB2364_FPGA_REG_IRQ_I2C ASB2364_FPGA_REG_IRQ(2) +#define ASB2364_FPGA_REG_IRQ_USB ASB2364_FPGA_REG_IRQ(3) +#define ASB2364_FPGA_REG_IRQ_FPGA ASB2364_FPGA_REG_IRQ(5) + +#define ASB2364_FPGA_REG_MASK(X) __SYSREG(0xa9001590+((X)*4), u16) +#define ASB2364_FPGA_REG_MASK_LAN ASB2364_FPGA_REG_MASK(0) +#define ASB2364_FPGA_REG_MASK_UART ASB2364_FPGA_REG_MASK(1) +#define ASB2364_FPGA_REG_MASK_I2C ASB2364_FPGA_REG_MASK(2) +#define ASB2364_FPGA_REG_MASK_USB ASB2364_FPGA_REG_MASK(3) +#define ASB2364_FPGA_REG_MASK_FPGA ASB2364_FPGA_REG_MASK(5) #define ASB2364_FPGA_REG_CPLD5_SET1 __SYSREG(0xa9002500, u16) #define ASB2364_FPGA_REG_CPLD5_SET2 __SYSREG(0xa9002504, u16) diff --git a/arch/mn10300/unit-asb2364/include/unit/irq.h b/arch/mn10300/unit-asb2364/include/unit/irq.h new file mode 100644 index 000000000000..786148e46565 --- /dev/null +++ b/arch/mn10300/unit-asb2364/include/unit/irq.h @@ -0,0 +1,35 @@ +/* ASB2364 FPGA irq numbers + * + * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef _UNIT_IRQ_H +#define _UNIT_IRQ_H + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_SMP +#define NR_CPU_IRQS GxICR_NUM_EXT_IRQS +#else +#define NR_CPU_IRQS GxICR_NUM_IRQS +#endif + +enum { + FPGA_LAN_IRQ = NR_CPU_IRQS, + FPGA_UART_IRQ, + FPGA_I2C_IRQ, + FPGA_USB_IRQ, + FPGA_RESERVED_IRQ, + FPGA_FPGA_IRQ, + NR_IRQS +}; + +extern void __init irq_fpga_init(void); + +#endif /* !__ASSEMBLY__ */ +#endif /* _UNIT_IRQ_H */ |