arch/arm/mach-rk319x/rk_timer.c

   1 #include <linux/platform_device.h>
   2 #include <asm/mach/time.h>
   3 #include <mach/io.h>
   4 #include <mach/irqs.h>
   5
   6 #define TIMER_NAME      "rk_timer"
   7 #define BASE            RK319X_TIMER_BASE
   8 #define OFFSET          0x20
   9
  10 static struct resource rk_timer_resources[] __initdata = {
  11         {
  12                 .name   = "cs_base",
  13                 .start  = (unsigned long) BASE + 4 * OFFSET,
  14                 .flags  = IORESOURCE_MEM,
  15         }, {
  16                 .name   = "cs_clk",
  17                 .start  = (unsigned long) "timer4",
  18         }, {
  19                 .name   = "cs_pclk",
  20                 .start  = (unsigned long) "pclk_timer",
  21         },
  22
  23         {
  24                 .name   = "ce_base0",
  25                 .start  = (unsigned long) BASE + 0 * OFFSET,
  26                 .flags  = IORESOURCE_MEM,
  27         }, {
  28                 .name   = "ce_irq0",
  29                 .start  = (unsigned long) IRQ_TIMER0,
  30                 .flags  = IORESOURCE_IRQ,
  31         }, {
  32                 .name   = "ce_clk0",
  33                 .start  = (unsigned long) "timer0",
  34         }, {
  35                 .name   = "ce_pclk0",
  36                 .start  = (unsigned long) "pclk_timer",
  37         },
  38
  39         {
  40                 .name   = "ce_base1",
  41                 .start  = (unsigned long) BASE + 1 * OFFSET,
  42                 .flags  = IORESOURCE_MEM,
  43         }, {
  44                 .name   = "ce_irq1",
  45                 .start  = (unsigned long) IRQ_TIMER1,
  46                 .flags  = IORESOURCE_IRQ,
  47         }, {
  48                 .name   = "ce_clk1",
  49                 .start  = (unsigned long) "timer1",
  50         }, {
  51                 .name   = "ce_pclk1",
  52                 .start  = (unsigned long) "pclk_timer",
  53         },
  54
  55         {
  56                 .name   = "ce_base2",
  57                 .start  = (unsigned long) BASE + 2 * OFFSET,
  58                 .flags  = IORESOURCE_MEM,
  59         }, {
  60                 .name   = "ce_irq2",
  61                 .start  = (unsigned long) IRQ_TIMER2,
  62                 .flags  = IORESOURCE_IRQ,
  63         }, {
  64                 .name   = "ce_clk2",
  65                 .start  = (unsigned long) "timer2",
  66         }, {
  67                 .name   = "ce_pclk2",
  68                 .start  = (unsigned long) "pclk_timer",
  69         },
  70
  71         {
  72                 .name   = "ce_base3",
  73                 .start  = (unsigned long) BASE + 3 * OFFSET,
  74                 .flags  = IORESOURCE_MEM,
  75         }, {
  76                 .name   = "ce_irq3",
  77                 .start  = (unsigned long) IRQ_TIMER3,
  78                 .flags  = IORESOURCE_IRQ,
  79         }, {
  80                 .name   = "ce_clk3",
  81                 .start  = (unsigned long) "timer3",
  82         }, {
  83                 .name   = "ce_pclk3",
  84                 .start  = (unsigned long) "pclk_timer",
  85         },
  86 };
  87
  88 static struct platform_device rk_timer_device __initdata = {
  89         .name           = TIMER_NAME,
  90         .id             = 0,
  91         .resource       = rk_timer_resources,
  92         .num_resources  = ARRAY_SIZE(rk_timer_resources),
  93 };
  94
  95 static struct platform_device *rk_timer_devices[] __initdata = {
  96         &rk_timer_device,
  97 };
  98
  99 static void __init rk_timer_init(void)
 100 {
 101         early_platform_add_devices(rk_timer_devices, ARRAY_SIZE(rk_timer_devices));
 102         early_platform_driver_register_all(TIMER_NAME);
 103         early_platform_driver_probe(TIMER_NAME, 1, 0);
 104 }
 105
 106 struct sys_timer rk30_timer = {
 107         .init = rk_timer_init
 108 };