X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fmach-clps7500%2Fcore.c;h=1b37ac1886d1b621b651c7465343dcb039345a66;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=628264bf50bc80786260f5d9376bf88d51ce3583;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c index 628264bf5..1b37ac188 100644 --- a/arch/arm/mach-clps7500/core.c +++ b/arch/arm/mach-clps7500/core.c @@ -10,12 +10,14 @@ #include #include #include -#include +#include #include +#include #include #include #include +#include #include #include @@ -187,7 +189,7 @@ static struct irqchip clps7500_no_chip = { .unmask = cl7500_no_action, }; -static struct irqaction irq_isa = { no_action, 0, 0, "isa", NULL, NULL }; +static struct irqaction irq_isa = { no_action, 0, CPU_MASK_NONE, "isa", NULL, NULL }; static void __init clps7500_init_irq(void) { @@ -265,10 +267,107 @@ static void __init clps7500_map_io(void) iotable_init(cl7500_io_desc, ARRAY_SIZE(cl7500_io_desc)); } +extern void ioctime_init(void); +extern unsigned long ioc_timer_gettimeoffset(void); + +static irqreturn_t +clps7500_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + write_seqlock(&xtime_lock); + + timer_tick(regs); + + /* Why not using do_leds interface?? */ + { + /* Twinkle the lights. */ + static int count, state = 0xff00; + if (count-- == 0) { + state ^= 0x100; + count = 25; + *((volatile unsigned int *)LED_ADDRESS) = state; + } + } + + write_sequnlock(&xtime_lock); + + return IRQ_HANDLED; +} + +static struct irqaction clps7500_timer_irq = { + .name = "CLPS7500 Timer Tick", + .flags = SA_INTERRUPT, + .handler = clps7500_timer_interrupt +}; + +/* + * Set up timer interrupt. + */ +static void __init clps7500_timer_init(void) +{ + ioctime_init(); + + setup_irq(IRQ_TIMER, &clps7500_timer_irq); +} + +static struct clps7500_timer = { + .init = clps7500_timer_init, + .offset = ioc_timer_gettimeoffset, +}; + +static struct plat_serial8250_port serial_platform_data[] = { + { + .mapbase = 0x03010fe0, + .irq = 10, + .uartclk = 1843200, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST, + }, + { + .mapbase = 0x03010be0, + .irq = 0, + .uartclk = 1843200, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST, + }, + { + .iobase = ISASLOT_IO + 0x2e8, + .irq = 41, + .uartclk = 1843200, + .regshift = 0, + .iotype = UPIO_PORT, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + }, + { + .iobase = ISASLOT_IO + 0x3e8, + .irq = 40, + .uartclk = 1843200, + .regshift = 0, + .iotype = UPIO_PORT, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + }, + { }, +}; + +static struct platform_device serial_device = { + .name = "serial8250", + .id = 0, + .dev = { + .platform_data = serial_platform_data, + }, +}; + +static int __init clps7500_init(void) +{ + return platform_register_device(&serial_device); +} + MACHINE_START(CLPS7500, "CL-PS7500") MAINTAINER("Philip Blundell") BOOT_MEM(0x10000000, 0x03000000, 0xe0000000) MAPIO(clps7500_map_io) INITIRQ(clps7500_init_irq) + .timer = &clps7500_timer, MACHINE_END