target/linux/gemini/patches-3.3/121-arm-gemini-add-ethernet-device.patch

   1 --- a/arch/arm/mach-gemini/common.h
   2 +++ b/arch/arm/mach-gemini/common.h
   3 @@ -13,6 +13,7 @@
   4  #define __GEMINI_COMMON_H__
   5
   6  struct mtd_partition;
   7 +struct gemini_gmac_platform_data;
   8
   9  extern void gemini_map_io(void);
  10  extern void gemini_init_irq(void);
  11 @@ -26,5 +27,6 @@ extern int platform_register_pflash(unsi
  12                                     struct mtd_partition *parts,
  13                                     unsigned int nr_parts);
  14  extern int platform_register_watchdog(void);
  15 +extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
  16
  17  #endif /* __GEMINI_COMMON_H__ */
  18 --- a/arch/arm/mach-gemini/devices.c
  19 +++ b/arch/arm/mach-gemini/devices.c
  20 @@ -17,6 +17,7 @@
  21  #include <mach/irqs.h>
  22  #include <mach/hardware.h>
  23  #include <mach/global_reg.h>
  24 +#include <mach/gmac.h>
  25  #include "common.h"
  26
  27  static struct plat_serial8250_port serial_platform_data[] = {
  28 @@ -134,3 +135,53 @@ int __init platform_register_watchdog(vo
  29  {
  30         return platform_device_register(&wdt_device);
  31  }
  32 +
  33 +static struct resource gmac_resources[] = {
  34 +       {
  35 +               .start  = 0x60000000,
  36 +               .end    = 0x6000ffff,
  37 +               .flags  = IORESOURCE_MEM,
  38 +       },
  39 +       {
  40 +               .start  = IRQ_GMAC0,
  41 +               .end    = IRQ_GMAC0,
  42 +               .flags  = IORESOURCE_IRQ,
  43 +       },
  44 +       {
  45 +               .start  = IRQ_GMAC1,
  46 +               .end    = IRQ_GMAC1,
  47 +               .flags  = IORESOURCE_IRQ,
  48 +       },
  49 +};
  50 +
  51 +static u64 gmac_dmamask = 0xffffffffUL;
  52 +
  53 +static struct platform_device ethernet_device = {
  54 +       .name   = "gemini-gmac",
  55 +       .id     = 0,
  56 +       .dev    = {
  57 +               .dma_mask = &gmac_dmamask,
  58 +               .coherent_dma_mask = DMA_BIT_MASK(32),
  59 +       },
  60 +       .num_resources  = ARRAY_SIZE(gmac_resources),
  61 +       .resource       = gmac_resources,
  62 +};
  63 +
  64 +int __init platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
  65 +{
  66 +       unsigned int reg;
  67 +
  68 +       reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
  69 +       reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
  70 +
  71 +       if (pdata->bus_id[1])
  72 +               reg |= GMAC_1_ENABLE;
  73 +       else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
  74 +               reg |= GMAC_GMII;
  75 +
  76 +       __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
  77 +
  78 +       ethernet_device.dev.platform_data = pdata;
  79 +
  80 +       return platform_device_register(&ethernet_device);
  81 +}