arm/mx2: use cpp magic to create imx_gpt devices

This makes the source shorter and easier to verify.  While at it switch
to use the SoC-prefixed constants.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c
index ce164a3..6efd862 100644 (file)
--- a/arch/arm/mach-mx2/devices.c
+++ b/arch/arm/mach-mx2/devices.c
@@ -78,104 +78,34 @@ DEFINE_IMX_SPI_DEVICE(2, MX27_CSPI3_BASE_ADDR, MX27_INT_CSPI3);
  * - i.MX21: 3 timers
  * - i.MX27: 6 timers
  */
-
-/* We use gpt0 as system timer, so do not add a device for this one */
-
-static struct resource timer1_resources[] = {
-       {
-               .start  = GPT2_BASE_ADDR,
-               .end    = GPT2_BASE_ADDR + 0x17,
-               .flags  = IORESOURCE_MEM,
-       }, {
-               .start   = MXC_INT_GPT2,
-               .end     = MXC_INT_GPT2,
-               .flags   = IORESOURCE_IRQ,
+#define DEFINE_IMX_GPT_DEVICE(n, baseaddr, irq)                                \
+       static struct resource timer ## n ##_resources[] = {            \
+               {                                                       \
+                       .start = baseaddr,                              \
+                       .end = baseaddr + SZ_4K - 1,                    \
+                       .flags = IORESOURCE_MEM,                        \
+               }, {                                                    \
+                       .start = irq,                                   \
+                       .end = irq,                                     \
+                       .flags = IORESOURCE_IRQ,                        \
+               }                                                       \
+       };                                                              \
+                                                                       \
+       struct platform_device mxc_gpt ## n = {                         \
+               .name = "imx_gpt",                                      \
+               .id = n,                                                \
+               .num_resources = ARRAY_SIZE(timer ## n ## _resources),  \
+               .resource = timer ## n ## _resources,                   \
        }
-};
 
-struct platform_device mxc_gpt1 = {
-       .name = "imx_gpt",
-       .id = 1,
-       .num_resources = ARRAY_SIZE(timer1_resources),
-       .resource = timer1_resources,
-};
-
-static struct resource timer2_resources[] = {
-       {
-               .start  = GPT3_BASE_ADDR,
-               .end    = GPT3_BASE_ADDR + 0x17,
-               .flags  = IORESOURCE_MEM,
-       }, {
-               .start   = MXC_INT_GPT3,
-               .end     = MXC_INT_GPT3,
-               .flags   = IORESOURCE_IRQ,
-       }
-};
-
-struct platform_device mxc_gpt2 = {
-       .name = "imx_gpt",
-       .id = 2,
-       .num_resources = ARRAY_SIZE(timer2_resources),
-       .resource = timer2_resources,
-};
+/* We use gpt1 as system timer, so do not add a device for this one */
+DEFINE_IMX_GPT_DEVICE(1, MX2x_GPT2_BASE_ADDR, MX2x_INT_GPT2);
+DEFINE_IMX_GPT_DEVICE(2, MX2x_GPT3_BASE_ADDR, MX2x_INT_GPT3);
 
 #ifdef CONFIG_MACH_MX27
-static struct resource timer3_resources[] = {
-       {
-               .start  = GPT4_BASE_ADDR,
-               .end    = GPT4_BASE_ADDR + 0x17,
-               .flags  = IORESOURCE_MEM,
-       }, {
-               .start   = MXC_INT_GPT4,
-               .end     = MXC_INT_GPT4,
-               .flags   = IORESOURCE_IRQ,
-       }
-};
-
-struct platform_device mxc_gpt3 = {
-       .name = "imx_gpt",
-       .id = 3,
-       .num_resources = ARRAY_SIZE(timer3_resources),
-       .resource = timer3_resources,
-};
-
-static struct resource timer4_resources[] = {
-       {
-               .start  = GPT5_BASE_ADDR,
-               .end    = GPT5_BASE_ADDR + 0x17,
-               .flags  = IORESOURCE_MEM,
-       }, {
-               .start   = MXC_INT_GPT5,
-               .end     = MXC_INT_GPT5,
-               .flags   = IORESOURCE_IRQ,
-       }
-};
-
-struct platform_device mxc_gpt4 = {
-       .name = "imx_gpt",
-       .id = 4,
-       .num_resources = ARRAY_SIZE(timer4_resources),
-       .resource = timer4_resources,
-};
-
-static struct resource timer5_resources[] = {
-       {
-               .start  = GPT6_BASE_ADDR,
-               .end    = GPT6_BASE_ADDR + 0x17,
-               .flags  = IORESOURCE_MEM,
-       }, {
-               .start   = MXC_INT_GPT6,
-               .end     = MXC_INT_GPT6,
-               .flags   = IORESOURCE_IRQ,
-       }
-};
-
-struct platform_device mxc_gpt5 = {
-       .name = "imx_gpt",
-       .id = 5,
-       .num_resources = ARRAY_SIZE(timer5_resources),
-       .resource = timer5_resources,
-};
+DEFINE_IMX_GPT_DEVICE(3, MX27_GPT4_BASE_ADDR, MX27_INT_GPT4);
+DEFINE_IMX_GPT_DEVICE(4, MX27_GPT5_BASE_ADDR, MX27_INT_GPT5);
+DEFINE_IMX_GPT_DEVICE(5, MX27_GPT6_BASE_ADDR, MX27_INT_GPT6);
 #endif
 
 /*

diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h
index e13a352..a0c6e1a 100644 (file)
--- a/arch/arm/mach-mx2/devices.h
+++ b/arch/arm/mach-mx2/devices.h
@@ -1,8 +1,10 @@
 extern struct platform_device mxc_gpt1;
 extern struct platform_device mxc_gpt2;
+#ifdef CONFIG_MACH_MX27
 extern struct platform_device mxc_gpt3;
 extern struct platform_device mxc_gpt4;
 extern struct platform_device mxc_gpt5;
+#endif
 extern struct platform_device mxc_wdt;
 extern struct platform_device mxc_uart_device0;
 extern struct platform_device mxc_uart_device1;