Introduce EFIKA_COMMON

The Genesi EFIKA MX and EFIKA Smartbook are sharing a lot of things
so it makes sense to create a common file for both devices and a specific
file for each. No functionnal change except dropping uart 1 & 2.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

5 files changed, 191 insertions, 128 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 10b600800fa9..aa20a38ccc8a 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -113,12 +113,16 @@ config MACH_EUKREA_MBIMXSD51_BASEBOARD
 
 endchoice
 
-config MACH_MX51_EFIKAMX
-        bool "Support MX51 Genesi Efika MX nettop"
+config MX51_EFIKA_COMMON
+        bool
         select SOC_IMX51
         select IMX_HAVE_PLATFORM_IMX_UART
         select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
         select IMX_HAVE_PLATFORM_SPI_IMX
+
+config MACH_MX51_EFIKAMX
+        bool "Support MX51 Genesi Efika MX nettop"
+        select MX51_EFIKA_COMMON
         help
           Include support for Genesi Efika MX nettop. This includes specific
           configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index dc2728823fdd..64f6b0df64c2 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -16,5 +16,6 @@ obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
 obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD) += eukrea_mbimxsd-baseboard.o
+obj-$(CONFIG_MX51_EFIKA_COMMON) += mx51_efika.o
 obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o
 obj-$(CONFIG_MACH_MX50_RDP) += board-mx50_rdp.o
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c
index c4094fa5794f..272de6e883e7 100644
--- a/arch/arm/mach-mx5/board-mx51_efikamx.c
+++ b/arch/arm/mach-mx5/board-mx51_efikamx.c
@@ -40,8 +40,7 @@
 
 #include "devices-imx51.h"
 #include "devices.h"
-
-#define MX51_USB_PLL_DIV_24_MHZ 0x01
+#include "efika.h"
 
 #define EFIKAMX_PCBID0          IMX_GPIO_NR(3, 16)
 #define EFIKAMX_PCBID1          IMX_GPIO_NR(3, 17)
@@ -53,9 +52,6 @@
 
 #define EFIKAMX_POWER_KEY       IMX_GPIO_NR(2, 31)
 
-#define EFIKAMX_SPI_CS0         IMX_GPIO_NR(4, 24)
-#define EFIKAMX_SPI_CS1         IMX_GPIO_NR(4, 25)
-
 /* board 1.1 doesn't have same reset gpio */
 #define EFIKAMX_RESET1_1        IMX_GPIO_NR(3, 2)
 #define EFIKAMX_RESET           IMX_GPIO_NR(1, 4)
@@ -67,38 +63,11 @@
 #define MX51_PAD_PWRKEY IOMUX_PAD(0x48c, 0x0f8, 1, 0x0,   0, PAD_CTL_PUS_100K_UP | PAD_CTL_PKE)
 
 static iomux_v3_cfg_t mx51efikamx_pads[] = {
-        /* UART1 */
-        MX51_PAD_UART1_RXD__UART1_RXD,
-        MX51_PAD_UART1_TXD__UART1_TXD,
-        MX51_PAD_UART1_RTS__UART1_RTS,
-        MX51_PAD_UART1_CTS__UART1_CTS,
         /* board id */
         MX51_PAD_PCBID0,
         MX51_PAD_PCBID1,
         MX51_PAD_PCBID2,
 
-        /* SD 1 */
-        MX51_PAD_SD1_CMD__SD1_CMD,
-        MX51_PAD_SD1_CLK__SD1_CLK,
-        MX51_PAD_SD1_DATA0__SD1_DATA0,
-        MX51_PAD_SD1_DATA1__SD1_DATA1,
-        MX51_PAD_SD1_DATA2__SD1_DATA2,
-        MX51_PAD_SD1_DATA3__SD1_DATA3,
-
-        /* SD 2 */
-        MX51_PAD_SD2_CMD__SD2_CMD,
-        MX51_PAD_SD2_CLK__SD2_CLK,
-        MX51_PAD_SD2_DATA0__SD2_DATA0,
-        MX51_PAD_SD2_DATA1__SD2_DATA1,
-        MX51_PAD_SD2_DATA2__SD2_DATA2,
-        MX51_PAD_SD2_DATA3__SD2_DATA3,
-
-        /* SD/MMC WP/CD */
-        MX51_PAD_GPIO1_0__SD1_CD,
-        MX51_PAD_GPIO1_1__SD1_WP,
-        MX51_PAD_GPIO1_7__SD2_WP,
-        MX51_PAD_GPIO1_8__SD2_CD,
-
         /* leds */
         MX51_PAD_CSI1_D9__GPIO3_13,
         MX51_PAD_CSI1_VSYNC__GPIO3_14,
@@ -107,55 +76,11 @@ static iomux_v3_cfg_t mx51efikamx_pads[] = {
         /* power key */
         MX51_PAD_PWRKEY,
 
-        /* spi */
-        MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
-        MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
-        MX51_PAD_CSPI1_SS0__GPIO4_24,
-        MX51_PAD_CSPI1_SS1__GPIO4_25,
-        MX51_PAD_CSPI1_RDY__ECSPI1_RDY,
-        MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
-
         /* reset */
         MX51_PAD_DI1_PIN13__GPIO3_2,
         MX51_PAD_GPIO1_4__GPIO1_4,
 };
 
-/* Serial ports */
-static const struct imxuart_platform_data uart_pdata = {
-        .flags = IMXUART_HAVE_RTSCTS,
-};
-
-/* This function is board specific as the bit mask for the plldiv will also
- * be different for other Freescale SoCs, thus a common bitmask is not
- * possible and cannot get place in /plat-mxc/ehci.c.
- */
-static int initialize_otg_port(struct platform_device *pdev)
-{
-        u32 v;
-        void __iomem *usb_base;
-        void __iomem *usbother_base;
-        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
-        if (!usb_base)
-                return -ENOMEM;
-        usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
-
-        /* Set the PHY clock to 19.2MHz */
-        v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
-        v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
-        v |= MX51_USB_PLL_DIV_24_MHZ;
-        __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
-        iounmap(usb_base);
-
-        mdelay(10);
-
-        return mx51_initialize_usb_hw(0, MXC_EHCI_INTERNAL_PHY);
-}
-
-static struct mxc_usbh_platform_data dr_utmi_config = {
-        .init   = initialize_otg_port,
-        .portsc = MXC_EHCI_UTMI_16BIT,
-};
-
 /*   PCBID2  PCBID1 PCBID0  STATE
         1       1      1    ER1:rev1.1
         1       1      0    ER2:rev1.2
@@ -254,47 +179,6 @@ static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initcon
         .nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey),
 };
 
-static struct mtd_partition mx51_efikamx_spi_nor_partitions[] = {
-        {
-         .name = "u-boot",
-         .offset = 0,
-         .size = SZ_256K,
-        },
-        {
-          .name = "config",
-          .offset = MTDPART_OFS_APPEND,
-          .size = SZ_64K,
-        },
-};
-
-static struct flash_platform_data mx51_efikamx_spi_flash_data = {
-        .name           = "spi_flash",
-        .parts          = mx51_efikamx_spi_nor_partitions,
-        .nr_parts       = ARRAY_SIZE(mx51_efikamx_spi_nor_partitions),
-        .type           = "sst25vf032b",
-};
-
-static struct spi_board_info mx51_efikamx_spi_board_info[] __initdata = {
-        {
-                .modalias = "m25p80",
-                .max_speed_hz = 25000000,
-                .bus_num = 0,
-                .chip_select = 1,
-                .platform_data = &mx51_efikamx_spi_flash_data,
-                .irq = -1,
-        },
-};
-
-static int mx51_efikamx_spi_cs[] = {
-        EFIKAMX_SPI_CS0,
-        EFIKAMX_SPI_CS1,
-};
-
-static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = {
-        .chipselect     = mx51_efikamx_spi_cs,
-        .num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs),
-};
-
 void mx51_efikamx_reset(void)
 {
         if (system_rev == 0x11)
@@ -307,12 +191,9 @@ static void __init mx51_efikamx_init(void)
 {
         mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads,
                                         ARRAY_SIZE(mx51efikamx_pads));
+        efika_board_common_init();
+
         mx51_efikamx_board_id();
-        mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
-        imx51_add_imx_uart(0, &uart_pdata);
-        imx51_add_imx_uart(1, &uart_pdata);
-        imx51_add_imx_uart(2, &uart_pdata);
-        imx51_add_sdhci_esdhc_imx(0, NULL);
 
         /* on < 1.2 boards both SD controllers are used */
         if (system_rev < 0x12) {
@@ -323,10 +204,6 @@ static void __init mx51_efikamx_init(void)
         platform_device_register(&mx51_efikamx_leds_device);
         imx51_add_gpio_keys(&mx51_efikamx_powerkey_data);
 
-        spi_register_board_info(mx51_efikamx_spi_board_info,
-                ARRAY_SIZE(mx51_efikamx_spi_board_info));
-        imx51_add_ecspi(0, &mx51_efikamx_spi_pdata);
-
         if (system_rev == 0x11) {
                 gpio_request(EFIKAMX_RESET1_1, "reset");
                 gpio_direction_output(EFIKAMX_RESET1_1, 1);
diff --git a/arch/arm/mach-mx5/efika.h b/arch/arm/mach-mx5/efika.h
new file mode 100644
index 000000000000..c8280435934a
--- /dev/null
+++ b/arch/arm/mach-mx5/efika.h
@@ -0,0 +1,6 @@
+#ifndef _EFIKA_H
+#define _EFIKA_H
+
+void __init efika_board_common_init(void);
+
+#endif
diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c
new file mode 100644
index 000000000000..a249ca3c4138
--- /dev/null
+++ b/arch/arm/mach-mx5/mx51_efika.c
@@ -0,0 +1,175 @@
+/*
+ * based on code from the following
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Pegatron Corporation. All Rights Reserved.
+ * Copyright 2009-2010 Genesi USA, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/input.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/fsl_devices.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx51.h>
+#include <mach/i2c.h>
+#include <mach/mxc_ehci.h>
+
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include "devices-imx51.h"
+#include "devices.h"
+#include "efika.h"
+
+#define MX51_USB_PLL_DIV_24_MHZ 0x01
+
+#define EFIKAMX_SPI_CS0         IMX_GPIO_NR(4, 24)
+#define EFIKAMX_SPI_CS1         IMX_GPIO_NR(4, 25)
+
+static iomux_v3_cfg_t mx51efika_pads[] = {
+        /* UART1 */
+        MX51_PAD_UART1_RXD__UART1_RXD,
+        MX51_PAD_UART1_TXD__UART1_TXD,
+        MX51_PAD_UART1_RTS__UART1_RTS,
+        MX51_PAD_UART1_CTS__UART1_CTS,
+
+        /* SD 1 */
+        MX51_PAD_SD1_CMD__SD1_CMD,
+        MX51_PAD_SD1_CLK__SD1_CLK,
+        MX51_PAD_SD1_DATA0__SD1_DATA0,
+        MX51_PAD_SD1_DATA1__SD1_DATA1,
+        MX51_PAD_SD1_DATA2__SD1_DATA2,
+        MX51_PAD_SD1_DATA3__SD1_DATA3,
+
+        /* SD 2 */
+        MX51_PAD_SD2_CMD__SD2_CMD,
+        MX51_PAD_SD2_CLK__SD2_CLK,
+        MX51_PAD_SD2_DATA0__SD2_DATA0,
+        MX51_PAD_SD2_DATA1__SD2_DATA1,
+        MX51_PAD_SD2_DATA2__SD2_DATA2,
+        MX51_PAD_SD2_DATA3__SD2_DATA3,
+
+        /* SD/MMC WP/CD */
+        MX51_PAD_GPIO1_0__SD1_CD,
+        MX51_PAD_GPIO1_1__SD1_WP,
+        MX51_PAD_GPIO1_7__SD2_WP,
+        MX51_PAD_GPIO1_8__SD2_CD,
+
+        /* spi */
+        MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
+        MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
+        MX51_PAD_CSPI1_SS0__GPIO4_24,
+        MX51_PAD_CSPI1_SS1__GPIO4_25,
+        MX51_PAD_CSPI1_RDY__ECSPI1_RDY,
+        MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
+};
+
+/* Serial ports */
+static const struct imxuart_platform_data uart_pdata = {
+        .flags = IMXUART_HAVE_RTSCTS,
+};
+
+/* This function is board specific as the bit mask for the plldiv will also
+ * be different for other Freescale SoCs, thus a common bitmask is not
+ * possible and cannot get place in /plat-mxc/ehci.c.
+ */
+static int initialize_otg_port(struct platform_device *pdev)
+{
+        u32 v;
+        void __iomem *usb_base;
+        void __iomem *usbother_base;
+        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+        if (!usb_base)
+                return -ENOMEM;
+        usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
+
+        /* Set the PHY clock to 19.2MHz */
+        v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
+        v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
+        v |= MX51_USB_PLL_DIV_24_MHZ;
+        __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
+        iounmap(usb_base);
+
+        mdelay(10);
+
+        return mx51_initialize_usb_hw(0, MXC_EHCI_INTERNAL_PHY);
+}
+
+static struct mxc_usbh_platform_data dr_utmi_config = {
+        .init   = initialize_otg_port,
+        .portsc = MXC_EHCI_UTMI_16BIT,
+};
+
+static struct mtd_partition mx51_efika_spi_nor_partitions[] = {
+        {
+         .name = "u-boot",
+         .offset = 0,
+         .size = SZ_256K,
+        },
+        {
+          .name = "config",
+          .offset = MTDPART_OFS_APPEND,
+          .size = SZ_64K,
+        },
+};
+
+static struct flash_platform_data mx51_efika_spi_flash_data = {
+        .name           = "spi_flash",
+        .parts          = mx51_efika_spi_nor_partitions,
+        .nr_parts       = ARRAY_SIZE(mx51_efika_spi_nor_partitions),
+        .type           = "sst25vf032b",
+};
+
+static struct spi_board_info mx51_efika_spi_board_info[] __initdata = {
+        {
+                .modalias = "m25p80",
+                .max_speed_hz = 25000000,
+                .bus_num = 0,
+                .chip_select = 1,
+                .platform_data = &mx51_efika_spi_flash_data,
+                .irq = -1,
+        },
+};
+
+static int mx51_efika_spi_cs[] = {
+        EFIKAMX_SPI_CS0,
+        EFIKAMX_SPI_CS1,
+};
+
+static const struct spi_imx_master mx51_efika_spi_pdata __initconst = {
+        .chipselect     = mx51_efika_spi_cs,
+        .num_chipselect = ARRAY_SIZE(mx51_efika_spi_cs),
+};
+
+void __init efika_board_common_init(void)
+{
+        mxc_iomux_v3_setup_multiple_pads(mx51efika_pads,
+                                        ARRAY_SIZE(mx51efika_pads));
+        mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
+        imx51_add_imx_uart(0, &uart_pdata);
+        imx51_add_sdhci_esdhc_imx(0, NULL);
+
+        spi_register_board_info(mx51_efika_spi_board_info,
+                ARRAY_SIZE(mx51_efika_spi_board_info));
+        imx51_add_ecspi(0, &mx51_efika_spi_pdata);
+}
+