mm-imx1.c 1.6 KB

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  1. /*
  2. * author: Sascha Hauer
  3. * Created: april 20th, 2004
  4. * Copyright: Synertronixx GmbH
  5. *
  6. * Common code for i.MX1 machines
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. */
  18. #include <linux/kernel.h>
  19. #include <linux/init.h>
  20. #include <linux/io.h>
  21. #include <asm/mach/map.h>
  22. #include <mach/common.h>
  23. #include <mach/hardware.h>
  24. #include <mach/gpio.h>
  25. #include <mach/irqs.h>
  26. #include <mach/iomux-v1.h>
  27. static struct map_desc imx_io_desc[] __initdata = {
  28. imx_map_entry(MX1, IO, MT_DEVICE),
  29. };
  30. void __init mx1_map_io(void)
  31. {
  32. iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc));
  33. }
  34. void __init imx1_init_early(void)
  35. {
  36. mxc_set_cpu_type(MXC_CPU_MX1);
  37. mxc_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR));
  38. imx_iomuxv1_init(MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR),
  39. MX1_NUM_GPIO_PORT);
  40. }
  41. static struct mxc_gpio_port imx1_gpio_ports[] = {
  42. DEFINE_IMX_GPIO_PORT_IRQ(MX1, 0, 1, MX1_GPIO_INT_PORTA),
  43. DEFINE_IMX_GPIO_PORT_IRQ(MX1, 1, 2, MX1_GPIO_INT_PORTB),
  44. DEFINE_IMX_GPIO_PORT_IRQ(MX1, 2, 3, MX1_GPIO_INT_PORTC),
  45. DEFINE_IMX_GPIO_PORT_IRQ(MX1, 3, 4, MX1_GPIO_INT_PORTD),
  46. };
  47. void __init mx1_init_irq(void)
  48. {
  49. mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR));
  50. mxc_gpio_init(imx1_gpio_ports, ARRAY_SIZE(imx1_gpio_ports));
  51. }