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-rw-r--r--arch/arm/mach-davinci/board-omapl138-hawk.c284
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: "
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 19:51:44 +0100