target/linux/ixp4xx/patches-2.6.27/191-cambria_optional_uart.patch

   1 --- a/arch/arm/mach-ixp4xx/cambria-setup.c
   2 +++ b/arch/arm/mach-ixp4xx/cambria-setup.c
   3 @@ -34,6 +34,7 @@
   4  #include <asm/mach/arch.h>
   5  #include <asm/mach/flash.h>
   6  #include <asm/setup.h>
   7 +#include <linux/irq.h>
   8
   9  struct cambria_board_info {
  10         unsigned char   *model;
  11 @@ -127,6 +128,43 @@ static struct platform_device cambria_ua
  12         .resource       = &cambria_uart_resource,
  13  };
  14
  15 +static struct resource cambria_optional_uart_resources[] = {
  16 +       {
  17 +               .start  = 0x52000000,
  18 +               .end    = 0x52000fff,
  19 +               .flags  = IORESOURCE_MEM
  20 +       },
  21 +       {
  22 +               .start  = 0x53000000,
  23 +               .end    = 0x53000fff,
  24 +               .flags  = IORESOURCE_MEM
  25 +       }
  26 +};
  27 +
  28 +static struct plat_serial8250_port cambria_optional_uart_data[] = {
  29 +       {
  30 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_BUGGY_UART,
  31 +               .iotype         = UPIO_MEM,
  32 +               .regshift       = 0,
  33 +               .uartclk        = 1843200,
  34 +       },
  35 +       {
  36 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_BUGGY_UART,
  37 +               .iotype         = UPIO_MEM,
  38 +               .regshift       = 0,
  39 +               .uartclk        = 1843200,
  40 +       },
  41 +  { },
  42 +};
  43 +
  44 +static struct platform_device cambria_optional_uart = {
  45 +       .name           = "serial8250",
  46 +       .id             = PLAT8250_DEV_PLATFORM1,
  47 +       .dev.platform_data      = cambria_optional_uart_data,
  48 +       .num_resources  = 2,
  49 +       .resource       = cambria_optional_uart_resources,
  50 +};
  51 +
  52  static struct resource cambria_pata_resources[] = {
  53         {
  54                 .flags  = IORESOURCE_MEM
  55 @@ -283,6 +321,19 @@ static void __init cambria_gw23xx_setup(
  56
  57  static void __init cambria_gw2350_setup(void)
  58  {
  59 +       *IXP4XX_EXP_CS2 = 0xbfff0003;
  60 +       set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_RISING);
  61 +       cambria_optional_uart_data[0].mapbase   = 0x52FF0000;
  62 +       cambria_optional_uart_data[0].membase   = (void __iomem *)ioremap(0x52FF0000, 0x0fff);
  63 +       cambria_optional_uart_data[0].irq               = IRQ_IXP4XX_GPIO3;
  64 +
  65 +       *IXP4XX_EXP_CS3 = 0xbfff0003;
  66 +       set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_RISING);
  67 +       cambria_optional_uart_data[1].mapbase   = 0x53FF0000;
  68 +       cambria_optional_uart_data[1].membase   = (void __iomem *)ioremap(0x53FF0000, 0x0fff);
  69 +       cambria_optional_uart_data[1].irq               = IRQ_IXP4XX_GPIO4;
  70 +
  71 +       platform_device_register(&cambria_optional_uart);
  72         platform_device_register(&cambria_npec_device);
  73         platform_device_register(&cambria_npea_device);
  74
  75 @@ -290,10 +341,26 @@ static void __init cambria_gw2350_setup(
  76         platform_device_register(&cambria_usb1_device);
  77
  78         platform_device_register(&cambria_gpio_leds_device);
  79 +
  80 +       *IXP4XX_EXP_CS2 = 0xBFFF3C43;
  81 +       *IXP4XX_EXP_CS3 = 0xBFFF3C43;
  82  }
  83
  84  static void __init cambria_gw2358_setup(void)
  85  {
  86 +       *IXP4XX_EXP_CS3 = 0xbfff0003;
  87 +       set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_RISING);
  88 +       cambria_optional_uart_data[0].mapbase   = 0x53FC0000;
  89 +       cambria_optional_uart_data[0].membase   = (void __iomem *)ioremap(0x53FC0000, 0x0fff);
  90 +       cambria_optional_uart_data[0].irq               = IRQ_IXP4XX_GPIO3;
  91 +
  92 +       set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_RISING);
  93 +       cambria_optional_uart_data[1].mapbase   = 0x53F80000;
  94 +       cambria_optional_uart_data[1].membase   = (void __iomem *)ioremap(0x53F80000, 0x0fff);
  95 +       cambria_optional_uart_data[1].irq               = IRQ_IXP4XX_GPIO4;
  96 +
  97 +       platform_device_register(&cambria_optional_uart);
  98 +
  99         platform_device_register(&cambria_npec_device);
 100         platform_device_register(&cambria_npea_device);
 101