Pandora Sourcecodes - openembedded.git/blob

   1 From 190c75031e65008425dbdd74c3e3237beed18460 Mon Sep 17 00:00:00 2001
   2 From: Steve Sakoman <sakoman@gmail.com>
   3 Date: Tue, 15 Dec 2009 14:59:42 -0800
   4 Subject: [PATCH 01/16] ARM: OMAP: Overo: Add support for second ethernet port
   5
   6 Signed-off-by: Steve Sakoman <sakoman@gmail.com>
   7 ---
   8  arch/arm/mach-omap2/board-overo.c |   56 +++++++++++++++++++++++++++++++++++--
   9  1 files changed, 53 insertions(+), 3 deletions(-)
  10
  11 diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
  12 index 52dfd51..1b94f2c 100644
  13 --- a/arch/arm/mach-omap2/board-overo.c
  14 +++ b/arch/arm/mach-omap2/board-overo.c
  15 @@ -63,6 +63,8 @@
  16
  17  #define OVERO_SMSC911X_CS      5
  18  #define OVERO_SMSC911X_GPIO    176
  19 +#define OVERO_SMSC911X2_CS     4
  20 +#define OVERO_SMSC911X2_GPIO   65
  21
  22  #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
  23         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
  24 @@ -137,6 +139,16 @@ static struct resource overo_smsc911x_resources[] = {
  25         },
  26  };
  27
  28 +static struct resource overo_smsc911x2_resources[] = {
  29 +       {
  30 +               .name   = "smsc911x2-memory",
  31 +               .flags  = IORESOURCE_MEM,
  32 +       },
  33 +       {
  34 +               .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  35 +       },
  36 +};
  37 +
  38  static struct smsc911x_platform_config overo_smsc911x_config = {
  39         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  40         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  41 @@ -146,7 +158,7 @@ static struct smsc911x_platform_config overo_smsc911x_config = {
  42
  43  static struct platform_device overo_smsc911x_device = {
  44         .name           = "smsc911x",
  45 -       .id             = -1,
  46 +       .id             = 0,
  47         .num_resources  = ARRAY_SIZE(overo_smsc911x_resources),
  48         .resource       = overo_smsc911x_resources,
  49         .dev            = {
  50 @@ -154,9 +166,26 @@ static struct platform_device overo_smsc911x_device = {
  51         },
  52  };
  53
  54 +static struct platform_device overo_smsc911x2_device = {
  55 +       .name           = "smsc911x",
  56 +       .id             = 1,
  57 +       .num_resources  = ARRAY_SIZE(overo_smsc911x2_resources),
  58 +       .resource       = overo_smsc911x2_resources,
  59 +       .dev            = {
  60 +               .platform_data = &overo_smsc911x_config,
  61 +       },
  62 +};
  63 +
  64 +static struct platform_device *smsc911x_devices[] = {
  65 +       &overo_smsc911x_device,
  66 +       &overo_smsc911x2_device,
  67 +};
  68 +
  69  static inline void __init overo_init_smsc911x(void)
  70  {
  71 -       unsigned long cs_mem_base;
  72 +       unsigned long cs_mem_base, cs_mem_base2;
  73 +
  74 +       /* set up first smsc911x chip */
  75
  76         if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
  77                 printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
  78 @@ -177,7 +206,28 @@ static inline void __init overo_init_smsc911x(void)
  79         overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
  80         overo_smsc911x_resources[1].end   = 0;
  81
  82 -       platform_device_register(&overo_smsc911x_device);
  83 +       /* set up second smsc911x chip */
  84 +
  85 +       if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) {
  86 +               printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n");
  87 +               return;
  88 +       }
  89 +
  90 +       overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0;
  91 +       overo_smsc911x2_resources[0].end   = cs_mem_base2 + 0xff;
  92 +
  93 +       if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) &&
  94 +           (gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) {
  95 +               gpio_export(OVERO_SMSC911X2_GPIO, 0);
  96 +       } else {
  97 +               printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n");
  98 +               return;
  99 +       }
 100 +
 101 +       overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO);
 102 +       overo_smsc911x2_resources[1].end   = 0;
 103 +
 104 +       platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices));
 105  }
 106
 107  #else
 108 --
 109 1.6.2.4
 110