Exemplo n.º 1
0
void __init board_a9m9750dev_init_irq(void)
{
	u32 reg;
	int i;

	/*
	 * configure gpio for IRQ_EXT2
	 * use GPIO 11, because GPIO 32 is used for the LCD
	 */
	/* XXX: proper GPIO handling */
	BBU_GC(2) &= ~0x2000;

	for (i = FPGA_IRQ(0); i <= FPGA_IRQ(7); ++i) {
		set_irq_chip(i, &a9m9750dev_fpga_chip);
		set_irq_handler(i, handle_level_irq);
		set_irq_flags(i, IRQF_VALID);
	}

	/* IRQ_EXT2: level sensitive + active low */
	reg = SYS_EIC(2);
	REGSET(reg, SYS_EIC, PLTY, AL);
	REGSET(reg, SYS_EIC, LVEDG, LEVEL);
	SYS_EIC(2) = reg;

	set_irq_chained_handler(IRQ_EXT2,
			a9m9750dev_fpga_demux_handler);
}
Exemplo n.º 2
0
void __init board_a9m9750dev_init_machine(void)
{
	u32 reg;

	/* setup static CS0: memory base ... */
	REGSETIM(SYS_SMCSSMB(0), SYS_SMCSSMB, CSxB,
			NS9XXX_CSxSTAT_PHYS(0) >> 12);

	/* ... and mask */
	reg = SYS_SMCSSMM(0);
	REGSETIM(reg, SYS_SMCSSMM, CSxM, 0xfffff);
	REGSET(reg, SYS_SMCSSMM, CSEx, EN);
	SYS_SMCSSMM(0) = reg;

	/* setup static CS0: memory configuration */
	reg = MEM_SMC(0);
	REGSET(reg, MEM_SMC, WSMC, OFF);
	REGSET(reg, MEM_SMC, BSMC, OFF);
	REGSET(reg, MEM_SMC, EW, OFF);
	REGSET(reg, MEM_SMC, PB, 1);
	REGSET(reg, MEM_SMC, PC, AL);
	REGSET(reg, MEM_SMC, PM, DIS);
	REGSET(reg, MEM_SMC, MW, 8);
	MEM_SMC(0) = reg;

	/* setup static CS0: timing */
	MEM_SMWED(0) = 0x2;
	MEM_SMOED(0) = 0x2;
	MEM_SMRD(0) = 0x6;
	MEM_SMWD(0) = 0x6;

	platform_add_devices(board_a9m9750dev_devices,
			ARRAY_SIZE(board_a9m9750dev_devices));
}
Exemplo n.º 3
0
static int ns9360_clockevent_setnextevent(unsigned long evt,
		struct clock_event_device *clk)
{
	u32 tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT));

	if (REGGET(tc, SYS_TCx, TEN)) {
		REGSET(tc, SYS_TCx, TEN, DIS);
		__raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT));
	}

	REGSET(tc, SYS_TCx, TEN, EN);

	__raw_writel(evt, SYS_TRC(TIMER_CLOCKEVENT));

	__raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT));

	return 0;
}
Exemplo n.º 4
0
static void ns9360_clockevent_setmode(enum clock_event_mode mode,
		struct clock_event_device *clk)
{
	u32 tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT));

	switch (mode) {
	case CLOCK_EVT_MODE_PERIODIC:
		__raw_writel(latch, SYS_TRC(TIMER_CLOCKEVENT));
		REGSET(tc, SYS_TCx, REN, EN);
		REGSET(tc, SYS_TCx, INTS, EN);
		REGSET(tc, SYS_TCx, TEN, EN);
		break;

	case CLOCK_EVT_MODE_ONESHOT:
		REGSET(tc, SYS_TCx, REN, DIS);
		REGSET(tc, SYS_TCx, INTS, EN);

		/* fall through */

	case CLOCK_EVT_MODE_UNUSED:
	case CLOCK_EVT_MODE_SHUTDOWN:
	case CLOCK_EVT_MODE_RESUME:
	default:
		REGSET(tc, SYS_TCx, TEN, DIS);
		break;
	}

	__raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT));
}
Exemplo n.º 5
0
static irqreturn_t ns9360_clockevent_handler(int irq, void *dev_id)
{
	int timerno = irq - IRQ_NS9360_TIMER0;
	u32 tc;

	struct clock_event_device *evt = &ns9360_clockevent_device;

	/* clear irq */
	tc = __raw_readl(SYS_TC(timerno));
	if (REGGET(tc, SYS_TCx, REN) == SYS_TCx_REN_DIS) {
		REGSET(tc, SYS_TCx, TEN, DIS);
		__raw_writel(tc, SYS_TC(timerno));
	}
	REGSET(tc, SYS_TCx, INTC, SET);
	__raw_writel(tc, SYS_TC(timerno));
	REGSET(tc, SYS_TCx, INTC, UNSET);
	__raw_writel(tc, SYS_TC(timerno));

	evt->event_handler(evt);

	return IRQ_HANDLED;
}
Exemplo n.º 6
0
static void __init ns9360_timer_init(void)
{
	int tc;

	tc = __raw_readl(SYS_TC(TIMER_CLOCKSOURCE));
	if (REGGET(tc, SYS_TCx, TEN)) {
		REGSET(tc, SYS_TCx, TEN, DIS);
		__raw_writel(tc, SYS_TC(TIMER_CLOCKSOURCE));
	}

	__raw_writel(0, SYS_TRC(TIMER_CLOCKSOURCE));

	REGSET(tc, SYS_TCx, TEN, EN);
	REGSET(tc, SYS_TCx, TDBG, STOP);
	REGSET(tc, SYS_TCx, TLCS, CPU);
	REGSET(tc, SYS_TCx, TM, IEE);
	REGSET(tc, SYS_TCx, INTS, DIS);
	REGSET(tc, SYS_TCx, UDS, UP);
	REGSET(tc, SYS_TCx, TSZ, 32);
	REGSET(tc, SYS_TCx, REN, EN);

	__raw_writel(tc, SYS_TC(TIMER_CLOCKSOURCE));

	ns9360_clocksource.mult = clocksource_hz2mult(ns9360_cpuclock(),
			ns9360_clocksource.shift);

	clocksource_register(&ns9360_clocksource);

	latch = SH_DIV(ns9360_cpuclock(), HZ, 0);

	tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT));
	REGSET(tc, SYS_TCx, TEN, DIS);
	REGSET(tc, SYS_TCx, TDBG, STOP);
	REGSET(tc, SYS_TCx, TLCS, CPU);
	REGSET(tc, SYS_TCx, TM, IEE);
	REGSET(tc, SYS_TCx, INTS, DIS);
	REGSET(tc, SYS_TCx, UDS, DOWN);
	REGSET(tc, SYS_TCx, TSZ, 32);
	REGSET(tc, SYS_TCx, REN, EN);
	__raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT));

	ns9360_clockevent_device.mult = div_sc(ns9360_cpuclock(),
			NSEC_PER_SEC, ns9360_clockevent_device.shift);
	ns9360_clockevent_device.max_delta_ns =
		clockevent_delta2ns(-1, &ns9360_clockevent_device);
	ns9360_clockevent_device.min_delta_ns =
		clockevent_delta2ns(1, &ns9360_clockevent_device);

	ns9360_clockevent_device.cpumask = cpumask_of(0);
	clockevents_register_device(&ns9360_clockevent_device);

	setup_irq(IRQ_NS9360_TIMER0 + TIMER_CLOCKEVENT,
			&ns9360_clockevent_action);
}
Exemplo n.º 7
0
Arquivo: table.c Projeto: mity/mctrl
static int
table_resize_helper(table_t* table, int col_pos, int col_delta,
                                    int row_pos, int row_delta)
{
    size_t size;
    table_cell_t* cols;
    table_cell_t* rows;
    table_cell_t* cells;
    table_region_t copy_src[4];
    table_region_t copy_dst[4];
    table_region_t init_dst[3];
    table_region_t free_src[3];
    int copy_count, init_count, free_count;
    int col_count, row_count;
    int i;
    table_refresh_detail_t refresh_detail;

    TABLE_TRACE("table_resize_helper(%p, %d, %d, %d, %d)",
                table, col_pos, col_delta, row_pos, row_delta);

    if(col_delta == 0  &&  row_delta == 0) {
        /* noop */
        return 0;
    }

    col_count = table->col_count + col_delta;
    row_count = table->row_count + row_delta;

    if(col_delta == 0)
        col_pos = col_count;
    if(row_delta == 0)
        row_pos = row_count;

    /* Allocate buffer for resized table */
    size = col_count * sizeof(table_cell_t) +
           row_count * sizeof(table_cell_t) +
           (col_count*row_count) * sizeof(table_cell_t);
    if(size > 0) {
        cells = (table_cell_t*) malloc(size);
        if(MC_ERR(cells == NULL)) {
            MC_TRACE("table_resize: malloc() failed");
            return -1;
        }

        cols = cells + (col_count * row_count);
        rows = cols + col_count;
    } else {
        cells = NULL;
        cols = NULL;
        rows = NULL;
    }

    /* Analyze which region of the original cells shall be freed, which shall
     * be reused in the reallocated buffer, and which in the new buffer need
     * initialization. */
#define REGSET(reg, c0, r0, c1, r1)                                           \
            do { reg.col0 = c0; reg.row0 = r0;                                \
                 reg.col1 = c1; reg.row1 = r1; } while (0)
    if(col_delta >= 0  &&  row_delta >= 0) {
        /*
         *                     +---+-+---+
         *    +---+---+        | 0 | | 1 |
         *    | 0 | 1 |        +---+-+---+
         *    +---+---+  --->  |         |
         *    | 2 | 3 |        +---+-+---+
         *    +---+---+        | 2 | | 3 |
         *                     +---+-+---+
         */
        REGSET(copy_src[0], 0, 0, col_pos, row_pos);
        REGSET(copy_dst[0], 0, 0, col_pos, row_pos);
        REGSET(copy_src[1], col_pos, 0, table->col_count, row_pos);
        REGSET(copy_dst[1], col_pos + col_delta, 0, col_count, row_pos);
        REGSET(copy_src[2], 0, row_pos, col_pos, table->row_count);
        REGSET(copy_dst[2], 0, row_pos + row_delta, col_pos, row_count);
        REGSET(copy_src[3], col_pos, row_pos, table->col_count, table->row_count);
        REGSET(copy_dst[3], col_pos + col_delta, row_pos + row_delta, col_count, row_count);
        copy_count = 4;
        REGSET(init_dst[0], col_pos, 0, col_pos + col_delta, row_pos);
        REGSET(init_dst[1], 0, row_pos, col_count, row_pos + row_delta);
        REGSET(init_dst[2], col_pos, row_pos + row_delta, col_pos + col_delta, row_count);
        init_count = 3;
        free_count = 0;
    } else if(col_delta >= 0  &&  row_delta < 0) {
        /*
         *    +---+---+
         *    | 0 | 1 |        +---+-+---+
         *    +---+---+        | 0 | | 1 |
         *    |       |  --->  +---+ +---+
         *    +---+---+        | 2 | | 3 |
         *    | 2 | 3 |        +---+-+---+
         *    +---+---+
         */
        REGSET(copy_src[0], 0, 0, col_pos, row_pos);
        REGSET(copy_dst[0], 0, 0, col_pos, row_pos);
        REGSET(copy_src[1], col_pos, 0, table->col_count, row_pos);
        REGSET(copy_dst[1], col_pos + col_delta, 0, col_count, row_pos);
        REGSET(copy_src[2], 0, row_pos - row_delta, col_pos, table->row_count);
        REGSET(copy_dst[2], 0, row_pos, col_pos, row_count);
        REGSET(copy_src[3], col_pos, row_pos - row_delta, table->col_count, table->row_count);
        REGSET(copy_dst[3], col_pos + col_delta, row_pos, col_count, row_count);
        copy_count = 4;
        REGSET(init_dst[0], col_pos, 0, col_pos + col_delta, row_count);
        init_count = 1;
        REGSET(free_src[0], 0, row_pos, table->col_count, row_pos - row_delta);
        free_count = 1;
    } else if(col_delta < 0  &&  row_delta >= 0) {
        /*
         *                       +---+---+
         *    +---+-+---+        | 0 | 1 |
         *    | 0 | | 1 |        +---+---+
         *    +---+ +---+  --->  |       |
         *    | 2 | | 3 |        +---+---+
         *    +---+-+---+        | 2 | 3 |
         *                       +---+---+
         */
        REGSET(copy_src[0], 0, 0, col_pos, row_pos);
        REGSET(copy_dst[0], 0, 0, col_pos, row_pos);
        REGSET(copy_src[1], col_pos - col_delta, 0, table->col_count, row_pos);
        REGSET(copy_dst[1], col_pos, 0, col_count, row_pos);
        REGSET(copy_src[2], 0, row_pos, col_pos, table->row_count);
        REGSET(copy_dst[2], 0, row_pos + row_delta, col_pos, row_count);
        REGSET(copy_src[3], col_pos - col_delta, row_pos, table->col_count, table->row_count);
        REGSET(copy_dst[3], col_pos, row_pos + row_delta, col_count, row_count);
        copy_count = 4;
        REGSET(init_dst[0], 0, row_pos, col_count, row_pos + row_delta);
        init_count = 1;
        REGSET(free_src[0], col_pos, 0, col_pos - col_delta, table->row_count);
        free_count = 1;
    } else {
        MC_ASSERT(col_delta < 0  &&  row_delta < 0);
        /*
         *    +---+-+---+
         *    | 0 | | 1 |        +---+---+
         *    +---+-+---+        | 0 | 1 |
         *    |         |  --->  +---+---+
         *    +---+-+---+        | 2 | 3 |
         *    | 2 | | 3 |        +---+---+
         *    +---+-+---+
         */
        REGSET(copy_src[0], 0, 0, col_pos, row_pos);
        REGSET(copy_dst[0], 0, 0, col_pos, row_pos);
        REGSET(copy_src[1], col_pos - col_delta, 0, table->col_count, row_pos);
        REGSET(copy_dst[1], col_pos, 0, col_count, row_pos);
        REGSET(copy_src[2], 0, row_pos - row_delta, col_pos, table->row_count);
        REGSET(copy_dst[2], 0, row_pos, col_pos, row_count);
        REGSET(copy_src[3], col_pos - col_delta, row_pos - row_delta, table->col_count, table->row_count);
        REGSET(copy_dst[3], col_pos, row_pos, col_count, row_count);
        copy_count = 4;
        init_count = 0;
        REGSET(free_src[0], col_pos, 0, col_pos - col_delta, row_pos);
        REGSET(free_src[1], 0, row_pos, table->col_count, row_pos - row_delta);
        REGSET(free_src[2], col_pos, row_pos - row_delta, col_pos - col_delta, table->row_count);
        free_count = 3;
    }
#undef REGSET

    /* Copy cells to be reused */
    if(table->cells != NULL  &&  cells != NULL) {
        for(i = 0; i < copy_count; i++) {
            MC_ASSERT(copy_src[i].col1-copy_src[i].col0 == copy_dst[i].col1-copy_dst[i].col0);
            MC_ASSERT(copy_src[i].row1-copy_src[i].row0 == copy_dst[i].row1-copy_dst[i].row0);

            if(col_delta == 0) {
                memcpy(&cells[copy_dst[i].row0 * col_count],
                       &table->cells[copy_src[i].row0 * col_count],
                       (copy_src[i].row1-copy_src[i].row0) * (copy_src[i].col1-copy_src[i].col0) * sizeof(table_cell_t));
            } else {
                WORD row_src, row_dst;
                for(row_src = copy_src[i].row0, row_dst = copy_dst[i].row0;
                            row_src < copy_src[i].row1; row_src++, row_dst++) {
                    memcpy(&cells[row_dst * col_count + copy_dst[i].col0],
                           &table->cells[row_src * table->col_count + copy_src[i].col0],
                           (copy_src[i].col1-copy_src[i].col0) * sizeof(table_cell_t));
                }
            }
        }
    }

    /* Init new cells in the new buffer */
    if(cells != NULL) {
        for(i = 0; i < init_count; i++) {
            if(col_delta == 0) {
                memset(&cells[col_count * init_dst[i].row0], 0,
                       col_count * (init_dst[i].row1-init_dst[i].row0) * sizeof(table_cell_t));
            } else {
                WORD row;
                for(row = init_dst[i].row0; row < init_dst[i].row1; row++) {
                    memset(&cells[row * col_count + init_dst[i].col0], 0,
                           (init_dst[i].col1-init_dst[i].col0) * sizeof(table_cell_t));
                }
            }
        }
    }

    /* Free bogus cells in the old buffer */
    if(table->cells != NULL) {
        for(i = 0; i < free_count; i++) {
            WORD col, row;
            for(row = free_src[i].row0; row < free_src[i].row1; row++) {
                for(col = free_src[i].col0; col < free_src[i].col1; col++) {
                    table_cell_clear(&table->cells[row * table->col_count + col]);
                }
            }
        }
    }

    /* Handle column headers */
    if(cols != NULL  &&  table->cols != NULL) {
        memcpy(&cols[0], &table->cols[0], col_pos * sizeof(table_cell_t));
        if(col_delta > 0)
            memcpy(&cols[col_pos + col_delta], &table->cols[col_pos],
                   (table->col_count - col_pos) * sizeof(table_cell_t));
        else if(col_delta < 0)
            memcpy(&cols[col_pos], &table->cols[col_pos - col_delta],
                   (col_count - col_pos) * sizeof(table_cell_t));
    }
    if(cols != NULL  &&  col_delta > 0)
        memset(&cols[col_pos], 0, col_delta * sizeof(table_cell_t));
    if(table->cols != NULL  &&  col_delta < 0) {
        WORD col;
        for(col = col_pos; col < col_pos - col_delta; col++)
            table_cell_clear(&table->cols[col]);
    }

    /* Handle row headers */
    if(rows != NULL  &&  table->rows != NULL) {
        memcpy(&rows[0], &table->rows[0], row_pos * sizeof(table_cell_t));
        if(row_delta > 0)
            memcpy(&rows[row_pos + row_delta], &table->rows[row_pos],
                   (table->row_count - row_pos) * sizeof(table_cell_t));
        else if(row_delta < 0)
            memcpy(&rows[row_pos], &table->rows[row_pos - row_delta],
                   (row_count - row_pos) * sizeof(table_cell_t));
    }
    if(rows != NULL  &&  row_delta > 0)
        memset(&rows[row_pos], 0, row_delta * sizeof(table_cell_t));
    if(table->rows != NULL  &&  row_delta < 0) {
        WORD row;
        for(row = row_pos; row < row_pos - row_delta; row++)
            table_cell_clear(&table->rows[row]);
    }

    /* Install the new buffer */
    if(table->cells != NULL)
        free(table->cells);
    table->cols = cols;
    table->rows = rows;
    table->cells = cells;
    table->col_count = col_count;
    table->row_count = row_count;

    /* Refresh */
    if(col_delta != 0) {
        refresh_detail.event = TABLE_COLCOUNT_CHANGED;
        refresh_detail.param[0] = table->col_count - col_delta;
        refresh_detail.param[1] = table->col_count;
        refresh_detail.param[2] = col_pos;
        table_refresh(table, &refresh_detail);
    }
    if(row_delta != 0) {
        refresh_detail.event = TABLE_ROWCOUNT_CHANGED;
        refresh_detail.param[0] = table->row_count - row_delta;
        refresh_detail.param[1] = table->row_count;
        refresh_detail.param[2] = row_pos;
        table_refresh(table, &refresh_detail);
    }

    return 0;
}