1 files changed, 284 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index 0b8dbdb79fe0..67c38d0ecd10 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -19,6 +19,279 @@
 
 #include <mach/cp_intc.h>
 #include <mach/da8xx.h>
+#include <mach/mux.h>
+
+#define HAWKBOARD_PHY_ID                "0:07"
+#define DA850_HAWK_MMCSD_CD_PIN         GPIO_TO_PIN(3, 12)
+#define DA850_HAWK_MMCSD_WP_PIN         GPIO_TO_PIN(3, 13)
+
+#define DA850_USB1_VBUS_PIN             GPIO_TO_PIN(2, 4)
+#define DA850_USB1_OC_PIN               GPIO_TO_PIN(6, 13)
+
+static short omapl138_hawk_mii_pins[] __initdata = {
+        DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
+        DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
+        DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
+        DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
+        DA850_MDIO_D,
+        -1
+};
+
+static __init void omapl138_hawk_config_emac(void)
+{
+        void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
+        int ret;
+        u32 val;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+        val = __raw_readl(cfgchip3);
+        val &= ~BIT(8);
+        ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
+        if (ret) {
+                pr_warning("%s: cpgmac/mii mux setup failed: %d\n",
+                        __func__, ret);
+                return;
+        }
+
+        /* configure the CFGCHIP3 register for MII */
+        __raw_writel(val, cfgchip3);
+        pr_info("EMAC: MII PHY configured\n");
+
+        soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;
+
+        ret = da8xx_register_emac();
+        if (ret)
+                pr_warning("%s: emac registration failed: %d\n",
+                        __func__, ret);
+}
+
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM/Hawkboard,
+ * hence they are being reserved for codecs on the DSP side.
+ */
+static const s16 da850_dma0_rsv_chans[][2] = {
+        /* (offset, number) */
+        { 8,  6},
+        {24,  4},
+        {30,  2},
+        {-1, -1}
+};
+
+static const s16 da850_dma0_rsv_slots[][2] = {
+        /* (offset, number) */
+        { 8,  6},
+        {24,  4},
+        {30, 50},
+        {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_chans[][2] = {
+        /* (offset, number) */
+        { 0, 28},
+        {30,  2},
+        {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_slots[][2] = {
+        /* (offset, number) */
+        { 0, 28},
+        {30, 90},
+        {-1, -1}
+};
+
+static struct edma_rsv_info da850_edma_cc0_rsv = {
+        .rsv_chans      = da850_dma0_rsv_chans,
+        .rsv_slots      = da850_dma0_rsv_slots,
+};
+
+static struct edma_rsv_info da850_edma_cc1_rsv = {
+        .rsv_chans      = da850_dma1_rsv_chans,
+        .rsv_slots      = da850_dma1_rsv_slots,
+};
+
+static struct edma_rsv_info *da850_edma_rsv[2] = {
+        &da850_edma_cc0_rsv,
+        &da850_edma_cc1_rsv,
+};
+
+static const short hawk_mmcsd0_pins[] = {
+        DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
+        DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
+        DA850_GPIO3_12, DA850_GPIO3_13,
+        -1
+};
+
+static int da850_hawk_mmc_get_ro(int index)
+{
+        return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN);
+}
+
+static int da850_hawk_mmc_get_cd(int index)
+{
+        return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN);
+}
+
+static struct davinci_mmc_config da850_mmc_config = {
+        .get_ro         = da850_hawk_mmc_get_ro,
+        .get_cd         = da850_hawk_mmc_get_cd,
+        .wires          = 4,
+        .max_freq       = 50000000,
+        .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+        .version        = MMC_CTLR_VERSION_2,
+};
+
+static __init void omapl138_hawk_mmc_init(void)
+{
+        int ret;
+
+        ret = davinci_cfg_reg_list(hawk_mmcsd0_pins);
+        if (ret) {
+                pr_warning("%s: MMC/SD0 mux setup failed: %d\n",
+                        __func__, ret);
+                return;
+        }
+
+        ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN,
+                        GPIOF_DIR_IN, "MMC CD");
+        if (ret < 0) {
+                pr_warning("%s: can not open GPIO %d\n",
+                        __func__, DA850_HAWK_MMCSD_CD_PIN);
+                return;
+        }
+
+        ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN,
+                        GPIOF_DIR_IN, "MMC WP");
+        if (ret < 0) {
+                pr_warning("%s: can not open GPIO %d\n",
+                        __func__, DA850_HAWK_MMCSD_WP_PIN);
+                goto mmc_setup_wp_fail;
+        }
+
+        ret = da8xx_register_mmcsd0(&da850_mmc_config);
+        if (ret) {
+                pr_warning("%s: MMC/SD0 registration failed: %d\n",
+                        __func__, ret);
+                goto mmc_setup_mmcsd_fail;
+        }
+
+        return;
+
+mmc_setup_mmcsd_fail:
+        gpio_free(DA850_HAWK_MMCSD_WP_PIN);
+mmc_setup_wp_fail:
+        gpio_free(DA850_HAWK_MMCSD_CD_PIN);
+}
+
+static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id);
+static da8xx_ocic_handler_t hawk_usb_ocic_handler;
+
+static const short da850_hawk_usb11_pins[] = {
+        DA850_GPIO2_4, DA850_GPIO6_13,
+        -1
+};
+
+static int hawk_usb_set_power(unsigned port, int on)
+{
+        gpio_set_value(DA850_USB1_VBUS_PIN, on);
+        return 0;
+}
+
+static int hawk_usb_get_power(unsigned port)
+{
+        return gpio_get_value(DA850_USB1_VBUS_PIN);
+}
+
+static int hawk_usb_get_oci(unsigned port)
+{
+        return !gpio_get_value(DA850_USB1_OC_PIN);
+}
+
+static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler)
+{
+        int irq         = gpio_to_irq(DA850_USB1_OC_PIN);
+        int error       = 0;
+
+        if (handler != NULL) {
+                hawk_usb_ocic_handler = handler;
+
+                error = request_irq(irq, omapl138_hawk_usb_ocic_irq,
+                                        IRQF_DISABLED | IRQF_TRIGGER_RISING |
+                                        IRQF_TRIGGER_FALLING,
+                                        "OHCI over-current indicator", NULL);
+                if (error)
+                        pr_err("%s: could not request IRQ to watch "
+                                "over-current indicator changes\n", __func__);
+        } else {
+                free_irq(irq, NULL);
+        }
+        return error;
+}
+
+static struct da8xx_ohci_root_hub omapl138_hawk_usb11_pdata = {
+        .set_power      = hawk_usb_set_power,
+        .get_power      = hawk_usb_get_power,
+        .get_oci        = hawk_usb_get_oci,
+        .ocic_notify    = hawk_usb_ocic_notify,
+        /* TPS2087 switch @ 5V */
+        .potpgt         = (3 + 1) / 2,  /* 3 ms max */
+};
+
+static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id)
+{
+        hawk_usb_ocic_handler(&omapl138_hawk_usb11_pdata, 1);
+        return IRQ_HANDLED;
+}
+
+static __init void omapl138_hawk_usb_init(void)
+{
+        int ret;
+        u32 cfgchip2;
+
+        ret = davinci_cfg_reg_list(da850_hawk_usb11_pins);
+        if (ret) {
+                pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
+                        __func__, ret);
+                return;
+        }
+
+        /* Setup the Ref. clock frequency for the HAWK at 24 MHz. */
+
+        cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
+        cfgchip2 &= ~CFGCHIP2_REFFREQ;
+        cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
+        __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
+
+        ret = gpio_request_one(DA850_USB1_VBUS_PIN,
+                        GPIOF_DIR_OUT, "USB1 VBUS");
+        if (ret < 0) {
+                pr_err("%s: failed to request GPIO for USB 1.1 port "
+                        "power control: %d\n", __func__, ret);
+                return;
+        }
+
+        ret = gpio_request_one(DA850_USB1_OC_PIN,
+                        GPIOF_DIR_IN, "USB1 OC");
+        if (ret < 0) {
+                pr_err("%s: failed to request GPIO for USB 1.1 port "
+                        "over-current indicator: %d\n", __func__, ret);
+                goto usb11_setup_oc_fail;
+        }
+
+        ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata);
+        if (ret) {
+                pr_warning("%s: USB 1.1 registration failed: %d\n",
+                        __func__, ret);
+                goto usb11_setup_fail;
+        }
+
+        return;
+
+usb11_setup_fail:
+        gpio_free(DA850_USB1_OC_PIN);
+usb11_setup_oc_fail:
+        gpio_free(DA850_USB1_VBUS_PIN);
+}
 
 static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
         .enabled_uarts = 0x7,
@@ -30,6 +303,17 @@ static __init void omapl138_hawk_init(void)
 
         davinci_serial_init(&omapl138_hawk_uart_config);
 
+        omapl138_hawk_config_emac();
+
+        ret = da850_register_edma(da850_edma_rsv);
+        if (ret)
+                pr_warning("%s: EDMA registration failed: %d\n",
+                        __func__, ret);
+
+        omapl138_hawk_mmc_init();
+
+        omapl138_hawk_usb_init();
+
         ret = da8xx_register_watchdog();
         if (ret)
                 pr_warning("omapl138_hawk_init: "