ARM: mx51: dynamically register imx-uart devices

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

10 files changed, 36 insertions, 79 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 2735314a78e0..65bf34e1a4f6 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -11,6 +11,7 @@ comment "MX5 platforms:"
 config MACH_MX51_BABBAGE
         bool "Support MX51 BABBAGE platforms"
         select IMX_HAVE_PLATFORM_IMX_I2C
+        select IMX_HAVE_PLATFORM_IMX_UART
         help
           Include support for MX51 Babbage platform, also known as MX51EVK in
           u-boot. This includes specific configurations for the board and its
@@ -18,6 +19,7 @@ config MACH_MX51_BABBAGE
 
 config MACH_MX51_3DS
         bool "Support MX51PDK (3DS)"
+        select IMX_HAVE_PLATFORM_IMX_UART
         select IMX_HAVE_PLATFORM_SPI_IMX
         select MXC_DEBUG_BOARD
         help
@@ -27,6 +29,7 @@ config MACH_MX51_3DS
 config MACH_EUKREA_CPUIMX51
         bool "Support Eukrea CPUIMX51 module"
         select IMX_HAVE_PLATFORM_IMX_I2C
+        select IMX_HAVE_PLATFORM_IMX_UART
         help
           Include support for Eukrea CPUIMX51 platform. This includes
           specific configurations for the module and its peripherals.
diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c
index d52f2527f6bf..a6c09c7ff728 100644
--- a/arch/arm/mach-mx5/board-cpuimx51.c
+++ b/arch/arm/mach-mx5/board-cpuimx51.c
@@ -28,7 +28,6 @@
 #include <mach/eukrea-baseboards.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
-#include <mach/imx-uart.h>
 #include <mach/iomux-mx51.h>
 #include <mach/mxc_ehci.h>
 
@@ -38,6 +37,7 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
 
+#include "devices-imx51.h"
 #include "devices.h"
 
 #define CPUIMX51_USBH1_STP      (0*32 + 27)
@@ -147,7 +147,7 @@ static struct pad_desc eukrea_cpuimx51_pads[] = {
         MX51_PAD_USBH1_STP__USBH1_STP,
 };
 
-static struct imxuart_platform_data uart_pdata = {
+static const struct imxuart_platform_data uart_pdata __initconst = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
@@ -239,7 +239,7 @@ static void __init eukrea_cpuimx51_init(void)
         mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51_pads,
                                         ARRAY_SIZE(eukrea_cpuimx51_pads));
 
-        mxc_register_device(&mxc_uart_device0, &uart_pdata);
+        imx51_add_imx_uart(0, &uart_pdata);
         gpio_request(CPUIMX51_QUARTA_GPIO, "quarta_irq");
         gpio_direction_input(CPUIMX51_QUARTA_GPIO);
         gpio_free(CPUIMX51_QUARTA_GPIO);
diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c
index b9d3331ba308..ed08a2352a1a 100644
--- a/arch/arm/mach-mx5/board-mx51_3ds.c
+++ b/arch/arm/mach-mx5/board-mx51_3ds.c
@@ -22,7 +22,6 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/iomux-mx51.h>
-#include <mach/imx-uart.h>
 #include <mach/3ds_debugboard.h>
 
 #include "devices-imx51.h"
@@ -74,15 +73,15 @@ static struct pad_desc mx51_3ds_pads[] = {
 
 /* Serial ports */
 #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
-static struct imxuart_platform_data uart_pdata = {
+static const struct imxuart_platform_data uart_pdata __initconst = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
 static inline void mxc_init_imx_uart(void)
 {
-        mxc_register_device(&mxc_uart_device0, &uart_pdata);
-        mxc_register_device(&mxc_uart_device1, &uart_pdata);
-        mxc_register_device(&mxc_uart_device2, &uart_pdata);
+        imx51_add_imx_uart(0, &uart_pdata);
+        imx51_add_imx_uart(1, &uart_pdata);
+        imx51_add_imx_uart(2, &uart_pdata);
 }
 #else /* !SERIAL_IMX */
 static inline void mxc_init_imx_uart(void)
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 3f3075d7768f..7c0b6618a164 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -21,7 +21,6 @@
 
 #include <mach/common.h>
 #include <mach/hardware.h>
-#include <mach/imx-uart.h>
 #include <mach/iomux-mx51.h>
 #include <mach/mxc_ehci.h>
 
@@ -31,6 +30,7 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
 
+#include "devices-imx51.h"
 #include "devices.h"
 
 #define BABBAGE_USB_HUB_RESET   (0*32 + 7)      /* GPIO_1_7 */
@@ -120,15 +120,15 @@ static struct pad_desc mx51babbage_pads[] = {
 
 /* Serial ports */
 #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
-static struct imxuart_platform_data uart_pdata = {
+static const struct imxuart_platform_data uart_pdata __initconst = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
 static inline void mxc_init_imx_uart(void)
 {
-        mxc_register_device(&mxc_uart_device0, &uart_pdata);
-        mxc_register_device(&mxc_uart_device1, &uart_pdata);
-        mxc_register_device(&mxc_uart_device2, &uart_pdata);
+        imx51_add_imx_uart(0, &uart_pdata);
+        imx51_add_imx_uart(1, &uart_pdata);
+        imx51_add_imx_uart(2, &uart_pdata);
 }
 #else /* !SERIAL_IMX */
 static inline void mxc_init_imx_uart(void)
diff --git a/arch/arm/mach-mx5/devices-imx51.h b/arch/arm/mach-mx5/devices-imx51.h
index 09d2b5c8b4f5..8235b8c6729b 100644
--- a/arch/arm/mach-mx5/devices-imx51.h
+++ b/arch/arm/mach-mx5/devices-imx51.h
@@ -13,6 +13,10 @@ extern const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst;
 #define imx51_add_imx_i2c(id, pdata)    \
         imx_add_imx_i2c(&imx51_imx_i2c_data[id], pdata)
 
+extern const struct imx_imx_uart_1irq_data imx51_imx_uart_data[] __initconst;
+#define imx51_add_imx_uart(id, pdata)   \
+        imx_add_imx_uart_1irq(&imx51_imx_uart_data[id], pdata)
+
 extern const struct imx_spi_imx_data imx51_cspi_data __initconst;
 #define imx51_add_cspi(pdata)   \
         imx_add_spi_imx(&imx51_cspi_data, pdata)
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 70b76d16391c..5f40082d9e61 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -17,63 +17,6 @@
 #include <mach/imx-uart.h>
 #include <mach/irqs.h>
 
-static struct resource uart0[] = {
-        {
-                .start = MX51_UART1_BASE_ADDR,
-                .end = MX51_UART1_BASE_ADDR + 0xfff,
-                .flags = IORESOURCE_MEM,
-        }, {
-                .start = MX51_MXC_INT_UART1,
-                .end = MX51_MXC_INT_UART1,
-                .flags = IORESOURCE_IRQ,
-        },
-};
-
-struct platform_device mxc_uart_device0 = {
-        .name = "imx-uart",
-        .id = 0,
-        .resource = uart0,
-        .num_resources = ARRAY_SIZE(uart0),
-};
-
-static struct resource uart1[] = {
-        {
-                .start = MX51_UART2_BASE_ADDR,
-                .end = MX51_UART2_BASE_ADDR + 0xfff,
-                .flags = IORESOURCE_MEM,
-        }, {
-                .start = MX51_MXC_INT_UART2,
-                .end = MX51_MXC_INT_UART2,
-                .flags = IORESOURCE_IRQ,
-        },
-};
-
-struct platform_device mxc_uart_device1 = {
-        .name = "imx-uart",
-        .id = 1,
-        .resource = uart1,
-        .num_resources = ARRAY_SIZE(uart1),
-};
-
-static struct resource uart2[] = {
-        {
-                .start = MX51_UART3_BASE_ADDR,
-                .end = MX51_UART3_BASE_ADDR + 0xfff,
-                .flags = IORESOURCE_MEM,
-        }, {
-                .start = MX51_MXC_INT_UART3,
-                .end = MX51_MXC_INT_UART3,
-                .flags = IORESOURCE_IRQ,
-        },
-};
-
-struct platform_device mxc_uart_device2 = {
-        .name = "imx-uart",
-        .id = 2,
-        .resource = uart2,
-        .num_resources = ARRAY_SIZE(uart2),
-};
-
 static struct resource mxc_fec_resources[] = {
         {
                 .start  = MX51_MXC_FEC_BASE_ADDR,
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
index 5c2918fcec0d..67a6d6910530 100644
--- a/arch/arm/mach-mx5/devices.h
+++ b/arch/arm/mach-mx5/devices.h
@@ -1,6 +1,3 @@
-extern struct platform_device mxc_uart_device0;
-extern struct platform_device mxc_uart_device1;
-extern struct platform_device mxc_uart_device2;
 extern struct platform_device mxc_fec_device;
 extern struct platform_device mxc_usbdr_host_device;
 extern struct platform_device mxc_usbh1_device;
diff --git a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
index ffa93d1d6ef8..d0e417ce2c08 100644
--- a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
+++ b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
@@ -30,6 +30,7 @@
 
 #include <asm/mach/arch.h>
 
+#include "devices-imx51.h"
 #include "devices.h"
 
 #define MBIMX51_TSC2007_GPIO    (2*32 + 30)
@@ -114,7 +115,7 @@ static struct pad_desc mbimx51_pads[] = {
         MX51_PAD_KEY_COL3__KEY_COL3,
 };
 
-static struct imxuart_platform_data uart_pdata = {
+static const struct imxuart_platform_data uart_pdata __initconst = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
@@ -172,8 +173,8 @@ void __init eukrea_mbimx51_baseboard_init(void)
         mxc_iomux_v3_setup_multiple_pads(mbimx51_pads,
                                         ARRAY_SIZE(mbimx51_pads));
 
-        mxc_register_device(&mxc_uart_device1, NULL);
-        mxc_register_device(&mxc_uart_device2, &uart_pdata);
+        imx51_add_imx_uart(1, NULL);
+        imx51_add_imx_uart(2, &uart_pdata);
 
         gpio_request(MBIMX51_LED0, "LED0");
         gpio_direction_output(MBIMX51_LED0, 1);
diff --git a/arch/arm/plat-mxc/devices/platform-imx-uart.c b/arch/arm/plat-mxc/devices/platform-imx-uart.c
index af7fabba4e71..2039640adf27 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-uart.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-uart.c
@@ -94,6 +94,16 @@ const struct imx_imx_uart_1irq_data imx35_imx_uart_data[] __initconst = {
 };
 #endif /* ifdef CONFIG_ARCH_MX35 */
 
+#ifdef CONFIG_ARCH_MX51
+const struct imx_imx_uart_1irq_data imx51_imx_uart_data[] __initconst = {
+#define imx51_imx_uart_data_entry(_id, _hwid)                           \
+        imx_imx_uart_1irq_data_entry(MX51, _id, _hwid, SZ_4K)
+        imx51_imx_uart_data_entry(0, 1),
+        imx51_imx_uart_data_entry(1, 2),
+        imx51_imx_uart_data_entry(2, 3),
+};
+#endif /* ifdef CONFIG_ARCH_MX51 */
+
 struct platform_device *__init imx_add_imx_uart_3irq(
                 const struct imx_imx_uart_3irq_data *data,
                 const struct imxuart_platform_data *pdata)
diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h
index b919235768a0..b7359d7d54e2 100644
--- a/arch/arm/plat-mxc/include/mach/mx51.h
+++ b/arch/arm/plat-mxc/include/mach/mx51.h
@@ -310,9 +310,9 @@
 #define MX51_MXC_INT_SLIM_B             28
 #define MX51_MXC_INT_SSI1               29
 #define MX51_MXC_INT_SSI2               30
-#define MX51_MXC_INT_UART1              31
-#define MX51_MXC_INT_UART2              32
-#define MX51_MXC_INT_UART3              33
+#define MX51_INT_UART1                  31
+#define MX51_INT_UART2                  32
+#define MX51_INT_UART3                  33
 #define MX51_MXC_INT_RESV34             34
 #define MX51_MXC_INT_RESV35             35
 #define MX51_INT_ECSPI1                 36