diff options
author | Ingo Molnar <mingo@elte.hu> | 2011-01-04 09:43:42 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-01-04 09:43:42 +0100 |
commit | bc030d6cb9532877c1c5a3f5e7123344fa24a285 (patch) | |
tree | d223d410b868b80d4c0deec192d354a5d06b201a /arch/mn10300/unit-asb2364/unit-init.c | |
parent | d3bd058826aa8b79590cca6c8e6d1557bf576ada (diff) | |
parent | 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff) |
Merge commit 'v2.6.37-rc8' into x86/apic
Conflicts:
arch/x86/include/asm/io_apic.h
Merge reason: move to a fresh -rc, resolve the conflict.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mn10300/unit-asb2364/unit-init.c')
-rw-r--r-- | arch/mn10300/unit-asb2364/unit-init.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/mn10300/unit-asb2364/unit-init.c b/arch/mn10300/unit-asb2364/unit-init.c new file mode 100644 index 00000000000..11440803db1 --- /dev/null +++ b/arch/mn10300/unit-asb2364/unit-init.c @@ -0,0 +1,88 @@ +/* ASB2364 initialisation + * + * Copyright (C) 2002 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 License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/delay.h> + +#include <asm/io.h> +#include <asm/setup.h> +#include <asm/processor.h> +#include <asm/irq.h> +#include <asm/intctl-regs.h> +#include <unit/fpga-regs.h> + +/* + * initialise some of the unit hardware before gdbstub is set up + */ +asmlinkage void __init unit_init(void) +{ + /* set up the external interrupts */ + + /* XIRQ[0]: NAND RXBY */ + /* SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_LOWLEVEL); */ + + /* XIRQ[1]: LAN, UART, I2C, USB, PCI, FPGA */ + SET_XIRQ_TRIGGER(1, XIRQ_TRIGGER_LOWLEVEL); + + /* XIRQ[2]: Extend Slot 1-9 */ + /* SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); */ + +#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) && \ + defined(CONFIG_ETHERNET_IRQ_LEVEL) && \ + (CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL) +# error CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL +#endif + +#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) + set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL)); +#elif defined(CONFIG_ETHERNET_IRQ_LEVEL) + set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL)); +#endif +} + +/* + * initialise the rest of the unit hardware after gdbstub is ready + */ +asmlinkage void __init unit_setup(void) +{ + +} + +/* + * initialise the external interrupts used by a unit of this type + */ +void __init unit_init_IRQ(void) +{ + unsigned int extnum; + + for (extnum = 0 ; extnum < NR_XIRQS ; extnum++) { + switch (GET_XIRQ_TRIGGER(extnum)) { + /* LEVEL triggered interrupts should be made + * post-ACK'able as they hold their lines until + * serviced + */ + case XIRQ_TRIGGER_HILEVEL: + case XIRQ_TRIGGER_LOWLEVEL: + mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum)); + break; + default: + break; + } + } + +#define IRQCTL __SYSREG(0xd5000090, u32) + IRQCTL |= 0x02; + + irq_fpga_init(); +} |