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authorJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-08 12:52:46 -0600
committerJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-08 12:52:46 -0600
commit24600f22abda997e12dd3dc2ec54fde5fde2d789 (patch)
tree8ee7362bff68df673ef3e420e66769574a43701c /rtemsbsd
parentMore comments. Attempt to support forward/revert selection from command line (diff)
downloadrtems-libbsd-24600f22abda997e12dd3dc2ec54fde5fde2d789.tar.bz2
All RTEMS files should now be under RTEMS
- Also add "Makefile only" mode to freebsd-to-rtems.py
Diffstat (limited to 'rtemsbsd')
-rw-r--r--rtemsbsd/dev/usb/controller/ohci_lpc3250.c361
-rw-r--r--rtemsbsd/freebsd/local/pmap.h (renamed from rtemsbsd/local/pmap.h)0
2 files changed, 361 insertions, 0 deletions
diff --git a/rtemsbsd/dev/usb/controller/ohci_lpc3250.c b/rtemsbsd/dev/usb/controller/ohci_lpc3250.c
new file mode 100644
index 00000000..8a63fe4a
--- /dev/null
+++ b/rtemsbsd/dev/usb/controller/ohci_lpc3250.c
@@ -0,0 +1,361 @@
+#include <freebsd/machine/rtems-bsd-config.h>
+
+#include <freebsd/machine/rtems-bsd-config.h>
+
+#include <bsp.h>
+
+#ifdef LIBBSP_ARM_LPC3250_BSP_H
+
+#include <bsp/irq.h>
+
+#include <freebsd/sys/cdefs.h>
+#include <freebsd/sys/stdint.h>
+#include <freebsd/sys/stddef.h>
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/queue.h>
+#include <freebsd/sys/types.h>
+#include <freebsd/sys/systm.h>
+#include <freebsd/sys/kernel.h>
+#include <freebsd/sys/bus.h>
+#include <freebsd/sys/linker_set.h>
+#include <freebsd/sys/module.h>
+#include <freebsd/sys/lock.h>
+#include <freebsd/sys/mutex.h>
+#include <freebsd/sys/condvar.h>
+#include <freebsd/sys/sysctl.h>
+#include <freebsd/sys/sx.h>
+#include <freebsd/sys/unistd.h>
+#include <freebsd/sys/callout.h>
+#include <freebsd/sys/malloc.h>
+#include <freebsd/sys/priv.h>
+
+#include <freebsd/dev/usb/usb.h>
+#include <freebsd/dev/usb/usbdi.h>
+
+#include <freebsd/dev/usb/usb_core.h>
+#include <freebsd/dev/usb/usb_busdma.h>
+#include <freebsd/dev/usb/usb_process.h>
+#include <freebsd/dev/usb/usb_util.h>
+
+#include <freebsd/dev/usb/usb_controller.h>
+#include <freebsd/dev/usb/usb_bus.h>
+#include <freebsd/dev/usb/controller/ohci.h>
+
+typedef struct
+{
+ uint16_t VendorID;
+ uint16_t ProductID;
+ uint16_t VersionID;
+} isp130x_PhyDetails_Typ;
+
+static void
+i2c_wait_for_receive_fifo_not_empty(void)
+{
+ while ((OTGI2CSTS & OTG_I2C_RFE) != 0) {
+ /* Wait */
+ }
+}
+
+static uint8_t
+isp1301_read(uint8_t reg)
+{
+ OTGI2CCTL = OTG_I2C_RESET;
+
+ OTGI2CTX = ISP1301_I2C_ADDR | OTG_I2C_START;
+
+ OTGI2CTX = reg;
+
+ OTGI2CTX = ISP1301_I2C_ADDR | OTG_I2C_READ | OTG_I2C_START;
+
+ OTGI2CTX = OTG_I2C_STOP;
+
+ i2c_wait_for_receive_fifo_not_empty();
+
+ return (uint8_t) OTGI2CRX;
+}
+
+static void
+i2c_wait_for_transaction_done(void)
+{
+ while ((OTGI2CSTS & OTG_I2C_TDI) == 0) {
+ /* Wait */
+ }
+
+ OTGI2CSTS = OTG_I2C_TDI;
+}
+
+static void
+isp1301_write(uint8_t reg, uint8_t val)
+{
+
+ OTGI2CCTL = OTG_I2C_RESET;
+
+ OTGI2CTX = ISP1301_I2C_ADDR | OTG_I2C_START;
+
+ OTGI2CTX = reg;
+
+ OTGI2CTX = val | OTG_I2C_STOP;
+
+ i2c_wait_for_transaction_done();
+}
+
+static void
+isp1301_dump(void)
+{
+ BSD_PRINTF(
+ "ISP1301: mc1 %02x, mc2 %02x, otgctrl %02x, otgsts %02x, isrc %02x, iltch %02x, ienl %02x, ienh %02x\n",
+ isp1301_read(ISP1301_MODE_CONTROL_1),
+ isp1301_read(ISP1301_MODE_CONTROL_2),
+ isp1301_read(ISP1301_OTG_CONTROL_1),
+ isp1301_read(ISP1301_OTG_STATUS),
+ isp1301_read(ISP1301_I2C_INTERRUPT_SOURCE),
+ isp1301_read(ISP1301_I2C_INTERRUPT_LATCH),
+ isp1301_read(ISP1301_I2C_INTERRUPT_FALLING),
+ isp1301_read(ISP1301_I2C_INTERRUPT_RISING)
+ );
+}
+
+
+static isp130x_PhyDetails_Typ
+ isp130x_GetPhyDetails(void)
+{
+ isp130x_PhyDetails_Typ PhyDetails;
+
+ PhyDetails.VendorID = (uint16_t)((isp1301_read(ISP1301_I2C_VENDOR_ID_HIGH) << 8) |
+ isp1301_read(ISP1301_I2C_VENDOR_ID_LOW));
+
+ PhyDetails.ProductID = (uint16_t)((isp1301_read(ISP1301_I2C_PRODUCT_ID_HIGH) << 8) |
+ isp1301_read(ISP1301_I2C_PRODUCT_ID_LOW));
+
+ PhyDetails.VersionID = (uint16_t)((isp1301_read(ISP1301_I2C_VERSION_ID_HIGH) << 8) |
+ isp1301_read(ISP1301_I2C_VERSION_ID_LOW));
+
+ return PhyDetails;
+}
+
+
+static void
+isp1301_configure(void)
+{
+ isp130x_PhyDetails_Typ PhyDetails = isp130x_GetPhyDetails();
+
+ BSD_PRINTF("ISP130x: vendor 0x%04x, product 0x%04x, version 0x%04x\n",
+ PhyDetails.VendorID,
+ PhyDetails.ProductID,
+ PhyDetails.VersionID);
+
+ isp1301_write(ISP1301_MODE_CONTROL_1_CLEAR, 0xff);
+ isp1301_write(ISP1301_MODE_CONTROL_1_SET, MC1_SPEED_REG);
+ isp1301_write(ISP1301_MODE_CONTROL_2_CLEAR, 0xff);
+
+ switch (PhyDetails.ProductID)
+ {
+ case ISP1301_PRODUCT_ID:
+ isp1301_write(ISP1301_MODE_CONTROL_2_SET, MC2_BI_DI |
+ MC2_PSW_EN |
+ MC2_SPD_SUSP_CTRL);
+ break;
+
+ case ISP1302_PRODUCT_ID:
+ // Do not set 'SPD_SUSP_CTRL' bit as per ISP1301 this bit is reserved in
+ // ISP1302, setting it will cause problems.
+ isp1301_write(ISP1301_MODE_CONTROL_2_SET, MC2_BI_DI |
+ MC2_PSW_EN);
+
+ // ISP1302 has an additonal register we should initialise it..
+ isp1301_write(ISP1302_MISC_CONTROL_CLEAR, 0xff);
+ isp1301_write(ISP1302_MISC_CONTROL_SET, MISC_UART_2V8_EN);
+
+ break;
+
+ default:
+ break;
+ }
+
+ isp1301_write(ISP1301_OTG_CONTROL_CLEAR, 0xff);
+ isp1301_write(ISP1301_MODE_CONTROL_1_SET, MC1_DAT_SE0);
+ isp1301_write(ISP1301_OTG_CONTROL_SET, OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN);
+ isp1301_write(ISP1301_I2C_INTERRUPT_LATCH_CLEAR, 0xff);
+ isp1301_write(ISP1301_I2C_INTERRUPT_FALLING_CLEAR, 0xff);
+ isp1301_write(ISP1301_I2C_INTERRUPT_RISING_CLEAR, 0xff);
+}
+
+static void
+isp1301_vbus_on(void)
+{
+ isp1301_write(ISP1301_OTG_CONTROL_SET, OTG1_VBUS_DRV);
+}
+
+static int
+ohci_lpc32xx_suspend(device_t self)
+{
+ ohci_softc_t *e = device_get_softc(self);
+ int eno = bus_generic_suspend(self);
+
+ if (eno != 0) {
+ return (eno);
+ }
+
+ ohci_suspend(e);
+
+ return (0);
+}
+
+static int
+ohci_lpc32xx_resume(device_t self)
+{
+ ohci_softc_t *e = device_get_softc(self);
+
+ ohci_resume(e);
+
+ bus_generic_resume(self);
+
+ return (0);
+}
+
+
+static int
+ohci_lpc32xx_probe(device_t self)
+{
+ device_set_desc(self, "LPC3250 OHCI controller");
+
+ return (0);
+}
+
+static int
+ohci_lpc32xx_detach(device_t self)
+{
+ ohci_softc_t *e = device_get_softc(self);
+
+ BSD_PRINTF("FIXME\n");
+
+ return (0);
+}
+
+static int
+ohci_lpc32xx_attach(device_t self)
+{
+ rtems_status_code sc = RTEMS_SUCCESSFUL;
+ ohci_softc_t *e = device_get_softc(self);
+ usb_error_t ue = USB_ERR_NORMAL_COMPLETION;
+ int eno = 0;
+
+ memset(e, 0, sizeof(*e));
+
+ /* Initialize some bus fields */
+ e->sc_bus.parent = self;
+ e->sc_bus.devices = e->sc_devices;
+ e->sc_bus.devices_max = OHCI_MAX_DEVICES;
+
+ /* Get all DMA memory */
+ if (usb_bus_mem_alloc_all(&e->sc_bus, USB_GET_DMA_TAG(self), &ohci_iterate_hw_softc)) {
+ return (ENOMEM);
+ }
+ e->sc_dev = self;
+
+ /* Child device */
+ e->sc_bus.bdev = device_add_child(self, "usbus", -1);
+ if (e->sc_bus.bdev == NULL) {
+ device_printf(self, "Could not add USB device\n");
+ goto error;
+ }
+ device_set_ivars(e->sc_bus.bdev, &e->sc_bus);
+ device_set_desc(e->sc_bus.bdev, "LPC3250 OHCI bus");
+ snprintf(e->sc_vendor, sizeof(e->sc_vendor), "NXP");
+
+ /* Register space */
+ e->sc_io_tag = 0U;
+ e->sc_io_hdl = OTGUSB_BASE;
+ e->sc_io_size = 0x5cU;
+
+ /* Enable USB PLL */
+ USBDIVCTRL = 0xc;
+ USBCTRL = USBCLK_SLAVE_HCLK_EN
+ | USBCLK_PC_BUS_KEEPER
+ | USBCLK_CLKEN1
+ | USBCLK_POWER_UP
+ | USBCLK_P_2
+ | USBCLK_N_1
+ | (191U << USBCLK_M_SHIFT);
+ while ((USBCTRL & USBCLK_PLL_LOCK) == 0) {
+ /* Wait */
+ }
+ USBCTRL |= USBCLK_CLKEN2;
+
+ /* Enable USB host and AHB clocks */
+ OTGCLKCTRL = 0x1c;
+ while ((OTGCLKSTAT & 0x1c) != 0x1c) {
+ /* Wait */
+ }
+
+ isp1301_configure();
+
+ USBCTRL |= USBCLK_HOST_NEED_CLK_EN;
+
+ OTGCLKCTRL = 0x1d;
+ while ((OTGCLKSTAT & 0x1d) != 0x1d) {
+ /* Wait */
+ }
+
+ /* Set OTG Status and Control Register */
+ OTGSTAT = 0x1;
+
+ isp1301_vbus_on();
+
+ /* Install interrupt handler */
+ sc = rtems_interrupt_server_handler_install(
+ RTEMS_ID_NONE,
+ IRQ_USB_HOST,
+ "USB",
+ RTEMS_INTERRUPT_UNIQUE,
+ (rtems_interrupt_handler) ohci_interrupt,
+ e
+ );
+ BSD_ASSERT_SC(sc);
+
+ /* OHCI intitialization */
+ ue = ohci_init(e);
+ if (ue != USB_ERR_NORMAL_COMPLETION) {
+ goto error;
+ }
+
+ /* Probe and attach child */
+ eno = device_probe_and_attach(e->sc_bus.bdev);
+ if (eno != 0) {
+ goto error;
+ }
+
+ return (0);
+
+error:
+ ohci_lpc32xx_detach(self);
+ return (ENXIO);
+}
+
+static device_method_t ohci_methods [] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, ohci_lpc32xx_probe),
+ DEVMETHOD(device_attach, ohci_lpc32xx_attach),
+ DEVMETHOD(device_detach, ohci_lpc32xx_detach),
+ DEVMETHOD(device_suspend, ohci_lpc32xx_suspend),
+ DEVMETHOD(device_resume, ohci_lpc32xx_resume),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+ /* Bus interface */
+ DEVMETHOD(bus_print_child, bus_generic_print_child),
+
+ {0, 0}
+};
+
+static driver_t ohci_driver = {
+ .name = "ohci",
+ .methods = ohci_methods,
+ .size = sizeof(struct ohci_softc)
+};
+
+static devclass_t ohci_devclass;
+
+DRIVER_MODULE(ohci, nexus, ohci_driver, ohci_devclass, 0, 0);
+MODULE_DEPEND(ohci, usb, 1, 1, 1);
+
+#endif /* LIBBSP_ARM_LPC3250_BSP_H */
diff --git a/rtemsbsd/local/pmap.h b/rtemsbsd/freebsd/local/pmap.h
index f6d2924c..f6d2924c 100644
--- a/rtemsbsd/local/pmap.h
+++ b/rtemsbsd/freebsd/local/pmap.h