static int __init mxc_expio_init(void)
{
int i;
brd_io = (u32) ioremap(BOARD_IO_ADDR(CS5_BASE_ADDR), SZ_4K);
if (brd_io == 0)
return -ENOMEM;
if ((__raw_readw(brd_io + MAGIC_NUMBER1_REG) != 0xAAAA) ||
(__raw_readw(brd_io + MAGIC_NUMBER2_REG) != 0x5555) ||
(__raw_readw(brd_io + MAGIC_NUMBER3_REG) != 0xCAFE)) {
iounmap((void *)brd_io);
brd_io = (u32) ioremap(BOARD_IO_ADDR(CS1_BASE_ADDR), SZ_4K);
if (brd_io == 0)
return -ENOMEM;
if ((__raw_readw(brd_io + MAGIC_NUMBER1_REG) != 0xAAAA) ||
(__raw_readw(brd_io + MAGIC_NUMBER2_REG) != 0x5555) ||
(__raw_readw(brd_io + MAGIC_NUMBER3_REG) != 0xCAFE)) {
iounmap((void *)brd_io);
brd_io = 0;
return -ENODEV;
}
cpld_base_addr = CS1_BASE_ADDR;
} else {
cpld_base_addr = CS5_BASE_ADDR;
}
pr_info("3-Stack Debug board detected, rev = 0x%04X\n",
readw(brd_io + CPLD_CODE_VER_REG));
/*
* Configure INT line as GPIO input
*/
mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_GPIO);
mxc_set_gpio_direction(MX51_PIN_GPIO1_6, 1);
/* disable the interrupt and clear the status */
__raw_writew(0, brd_io + INTR_MASK_REG);
__raw_writew(0xFFFF, brd_io + INTR_RESET_REG);
__raw_writew(0, brd_io + INTR_RESET_REG);
__raw_writew(0x1F, brd_io + INTR_MASK_REG);
for (i = MXC_EXP_IO_BASE; i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES);
i++) {
set_irq_chip(i, &expio_irq_chip);
set_irq_handler(i, handle_level_irq);
set_irq_flags(i, IRQF_VALID);
}
set_irq_type(EXPIO_PARENT_INT, IRQT_LOW);
set_irq_chained_handler(EXPIO_PARENT_INT, mxc_expio_irq_handler);
return 0;
}
int __init mxc_expio_init(u32 base, u32 p_irq)
{
int i;
brd_io = ioremap(BOARD_IO_ADDR(base), SZ_4K);
if (brd_io == NULL)
return -ENOMEM;
if ((__raw_readw(brd_io + MAGIC_NUMBER1_REG) != 0xAAAA) ||
(__raw_readw(brd_io + MAGIC_NUMBER2_REG) != 0x5555) ||
(__raw_readw(brd_io + MAGIC_NUMBER3_REG) != 0xCAFE)) {
pr_info("3-Stack Debug board not detected\n");
iounmap(brd_io);
brd_io = NULL;
return -ENODEV;
}
pr_info("3-Stack Debug board detected, rev = 0x%04X\n",
readw(brd_io + CPLD_CODE_VER_REG));
/*
* Configure INT line as GPIO input
*/
gpio_request(MXC_IRQ_TO_GPIO(p_irq), "expio_pirq");
gpio_direction_input(MXC_IRQ_TO_GPIO(p_irq));
/* disable the interrupt and clear the status */
__raw_writew(0, brd_io + INTR_MASK_REG);
__raw_writew(0xFFFF, brd_io + INTR_RESET_REG);
__raw_writew(0, brd_io + INTR_RESET_REG);
__raw_writew(0x1F, brd_io + INTR_MASK_REG);
for (i = MXC_EXP_IO_BASE;
i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES); i++) {
irq_set_chip_and_handler(i, &expio_irq_chip, handle_level_irq);
set_irq_flags(i, IRQF_VALID);
}
irq_set_irq_type(p_irq, IRQF_TRIGGER_LOW);
irq_set_chained_handler(p_irq, mxc_expio_irq_handler);
/* Register Lan device on the debugboard */
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
smsc911x_resources[0].start = LAN9217_BASE_ADDR(base);
smsc911x_resources[0].end = LAN9217_BASE_ADDR(base) + 0x100 - 1;
platform_device_register(&smsc_lan9217_device);
return 0;
}
static int __init mxc_expio_init(void)
{
int i;
brd_io = (u32) ioremap(BOARD_IO_ADDR(CS5_BASE_ADDR), SZ_4K);
if (brd_io == 0)
return -ENOMEM;
if ((__raw_readw(brd_io + MAGIC_NUMBER1_REG) != 0xAAAA) ||
(__raw_readw(brd_io + MAGIC_NUMBER2_REG) != 0x5555) ||
(__raw_readw(brd_io + MAGIC_NUMBER3_REG) != 0xCAFE)) {
pr_info("3-Stack Debug board not detected \n");
return -ENODEV;
} else {
debug_board_present = true;
}
pr_info("3-Stack Debug board detected, rev = 0x%04X\n",
readw(brd_io + CPLD_CODE_VER_REG));
/*
* Configure INT line as GPIO input
*/
gpio_request(IOMUX_TO_GPIO(MX51_PIN_GPIO1_6), "gpio1_6");
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_6));
/* disable the interrupt and clear the status */
__raw_writew(0, brd_io + INTR_MASK_REG);
__raw_writew(0xFFFF, brd_io + INTR_RESET_REG);
__raw_writew(0, brd_io + INTR_RESET_REG);
__raw_writew(0x1F, brd_io + INTR_MASK_REG);
for (i = MXC_BOARD_IRQ_START; i < (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS);
i++) {
set_irq_chip(i, &expio_irq_chip);
set_irq_handler(i, handle_level_irq);
set_irq_flags(i, IRQF_VALID);
}
set_irq_type(EXPIO_PARENT_INT, IRQF_TRIGGER_LOW);
set_irq_chained_handler(EXPIO_PARENT_INT, mxc_expio_irq_handler);
return 0;
}