diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/iproc_sdhci.c | 92 | ||||
-rw-r--r-- | drivers/rng/iproc_rng200.c | 8 | ||||
-rw-r--r-- | drivers/serial/usbtty.c | 16 | ||||
-rw-r--r-- | drivers/usb/Kconfig | 1 | ||||
-rw-r--r-- | drivers/usb/gadget/ep0.c | 16 | ||||
-rw-r--r-- | drivers/usb/musb/musb_core.c | 12 | ||||
-rw-r--r-- | drivers/usb/musb/musb_udc.c | 61 |
7 files changed, 133 insertions, 73 deletions
diff --git a/drivers/mmc/iproc_sdhci.c b/drivers/mmc/iproc_sdhci.c index 6e4f527e5d8..11d86ad658f 100644 --- a/drivers/mmc/iproc_sdhci.c +++ b/drivers/mmc/iproc_sdhci.c @@ -10,8 +10,11 @@ #include <malloc.h> #include <sdhci.h> #include <asm/global_data.h> +#include "mmc_private.h" #include <linux/delay.h> +#define MAX_TUNING_LOOP 40 + DECLARE_GLOBAL_DATA_PTR; struct sdhci_iproc_host { @@ -140,17 +143,89 @@ static void sdhci_iproc_writeb(struct sdhci_host *host, u8 val, int reg) static int sdhci_iproc_set_ios_post(struct sdhci_host *host) { - u32 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); + struct mmc *mmc = (struct mmc *)host->mmc; + u32 ctrl; + + if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) { + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); + ctrl |= SDHCI_CTRL_VDD_180; + sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); + } - /* Reset UHS mode bits */ - ctrl &= ~SDHCI_CTRL_UHS_MASK; + sdhci_set_uhs_timing(host); + return 0; +} - if (host->mmc->ddr_mode) - ctrl |= UHS_DDR50_BUS_SPEED; +static void sdhci_start_tuning(struct sdhci_host *host) +{ + u32 ctrl; + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); + ctrl |= SDHCI_CTRL_EXEC_TUNING; sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); - return 0; + sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE); + sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE); +} + +static void sdhci_end_tuning(struct sdhci_host *host) +{ + /* Enable only interrupts served by the SD controller */ + sdhci_writel(host, SDHCI_INT_DATA_MASK | SDHCI_INT_CMD_MASK, + SDHCI_INT_ENABLE); + /* Mask all sdhci interrupt sources */ + sdhci_writel(host, 0x0, SDHCI_SIGNAL_ENABLE); +} + +static int sdhci_iproc_execute_tuning(struct mmc *mmc, u8 opcode) +{ + struct mmc_cmd cmd; + u32 ctrl; + u32 blocksize = SDHCI_MAKE_BLKSZ(SDHCI_DEFAULT_BOUNDARY_ARG, 64); + struct sdhci_host *host = dev_get_priv(mmc->dev); + char tuning_loop_counter = MAX_TUNING_LOOP; + int ret = 0; + + sdhci_start_tuning(host); + + cmd.cmdidx = opcode; + cmd.resp_type = MMC_RSP_R1; + cmd.cmdarg = 0; + + if (opcode == MMC_CMD_SEND_TUNING_BLOCK_HS200 && mmc->bus_width == 8) + blocksize = SDHCI_MAKE_BLKSZ(SDHCI_DEFAULT_BOUNDARY_ARG, 128); + + sdhci_writew(host, blocksize, SDHCI_BLOCK_SIZE); + sdhci_writew(host, 1, SDHCI_BLOCK_COUNT); + sdhci_writew(host, SDHCI_TRNS_READ, SDHCI_TRANSFER_MODE); + + do { + mmc_send_cmd(mmc, &cmd, NULL); + if (opcode == MMC_CMD_SEND_TUNING_BLOCK) + /* + * For tuning command, do not do busy loop. As tuning + * is happening (CLK-DATA latching for setup/hold time + * requirements), give time to complete + */ + udelay(1); + + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); + + if (tuning_loop_counter-- == 0) + break; + + } while (ctrl & SDHCI_CTRL_EXEC_TUNING); + + if (tuning_loop_counter < 0 || (!(ctrl & SDHCI_CTRL_TUNED_CLK))) { + ctrl &= ~(SDHCI_CTRL_TUNED_CLK | SDHCI_CTRL_EXEC_TUNING); + sdhci_writel(host, ctrl, SDHCI_HOST_CONTROL2); + printf("%s:Tuning failed, opcode = 0x%02x\n", __func__, opcode); + ret = -EIO; + } + + sdhci_end_tuning(host); + + return ret; } static struct sdhci_ops sdhci_platform_ops = { @@ -163,6 +238,7 @@ static struct sdhci_ops sdhci_platform_ops = { .write_b = sdhci_iproc_writeb, #endif .set_ios_post = sdhci_iproc_set_ios_post, + .platform_execute_tuning = sdhci_iproc_execute_tuning, }; struct iproc_sdhci_plat { @@ -190,9 +266,7 @@ static int iproc_sdhci_probe(struct udevice *dev) host->name = dev->name; host->ioaddr = dev_read_addr_ptr(dev); - host->voltages = MMC_VDD_165_195 | - MMC_VDD_32_33 | MMC_VDD_33_34; - host->quirks = SDHCI_QUIRK_BROKEN_VOLTAGE | SDHCI_QUIRK_BROKEN_R1B; + host->quirks = SDHCI_QUIRK_BROKEN_R1B; host->host_caps = MMC_MODE_DDR_52MHz; host->index = fdtdec_get_uint(gd->fdt_blob, node, "index", 0); host->ops = &sdhci_platform_ops; diff --git a/drivers/rng/iproc_rng200.c b/drivers/rng/iproc_rng200.c index 1126bbd797e..85ac15bf9ca 100644 --- a/drivers/rng/iproc_rng200.c +++ b/drivers/rng/iproc_rng200.c @@ -34,12 +34,12 @@ #define RNG_FIFO_COUNT_RNG_FIFO_COUNT_MASK 0x000000FF struct iproc_rng200_plat { - fdt_addr_t base; + void __iomem *base; }; static void iproc_rng200_enable(struct iproc_rng200_plat *pdata, bool enable) { - fdt_addr_t rng_base = pdata->base; + void __iomem *rng_base = pdata->base; u32 val; val = readl(rng_base + RNG_CTRL_OFFSET); @@ -54,7 +54,7 @@ static void iproc_rng200_enable(struct iproc_rng200_plat *pdata, bool enable) static void iproc_rng200_restart(struct iproc_rng200_plat *pdata) { - fdt_addr_t rng_base = pdata->base; + void __iomem *rng_base = pdata->base; u32 val; iproc_rng200_enable(pdata, false); @@ -156,7 +156,7 @@ static int iproc_rng200_of_to_plat(struct udevice *dev) { struct iproc_rng200_plat *pdata = dev_get_plat(dev); - pdata->base = dev_read_addr(dev); + pdata->base = devfdt_map_physmem(dev, sizeof(void *)); if (!pdata->base) return -ENODEV; diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c index f1c1a260da5..4f4eb02de08 100644 --- a/drivers/serial/usbtty.c +++ b/drivers/serial/usbtty.c @@ -500,8 +500,8 @@ void usbtty_puts(struct stdio_dev *dev, const char *str) n = next_nl_pos (str); if (str[n] == '\n') { - __usbtty_puts("\r", 1); - __usbtty_puts(str, n + 1); + __usbtty_puts(str, n); + __usbtty_puts("\r\n", 2); str += (n + 1); len -= (n + 1); } else { @@ -849,17 +849,9 @@ static int write_buffer (circbuf_t * buf) &endpoint_instance[tx_endpoint]; struct urb *current_urb = NULL; - current_urb = next_urb (device_instance, endpoint); - - if (!current_urb) { - TTYERR ("current_urb is NULL, buf->size %d\n", - buf->size); - return 0; - } - /* TX data still exists - send it now */ - if(endpoint->sent < current_urb->actual_length){ + if(endpoint->sent < endpoint->tx_urb->actual_length){ if(udc_endpoint_write (endpoint)){ /* Write pre-empted by RX */ return -1; @@ -878,6 +870,8 @@ static int write_buffer (circbuf_t * buf) */ while (buf->size > 0) { + current_urb = next_urb (device_instance, endpoint); + dest = (char*)current_urb->buffer + current_urb->actual_length; diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 6e291198abe..f6975730bf8 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -95,6 +95,7 @@ config USB_STORAGE config USB_KEYBOARD bool "USB Keyboard support" + select DM_KEYBOARD if DM_USB select SYS_STDIO_DEREGISTER ---help--- Say Y here if you want to use a USB keyboard for U-Boot command line diff --git a/drivers/usb/gadget/ep0.c b/drivers/usb/gadget/ep0.c index 457679f0a4c..6624f61b763 100644 --- a/drivers/usb/gadget/ep0.c +++ b/drivers/usb/gadget/ep0.c @@ -294,7 +294,7 @@ static int ep0_get_descriptor (struct usb_device_instance *device, { struct usb_string_descriptor *string_descriptor; if (!(string_descriptor = usbd_get_string (index))) { - serial_printf("Invalid string index %d\n", index); + dbg_ep0(0, "Invalid string index %d\n", index); return -1; } dbg_ep0(3, "string_descriptor: %p length %d", string_descriptor, string_descriptor->bLength); @@ -302,14 +302,14 @@ static int ep0_get_descriptor (struct usb_device_instance *device, } break; case USB_DESCRIPTOR_TYPE_INTERFACE: - serial_printf("USB_DESCRIPTOR_TYPE_INTERFACE - error not implemented\n"); + dbg_ep0(2, "USB_DESCRIPTOR_TYPE_INTERFACE - error not implemented\n"); return -1; case USB_DESCRIPTOR_TYPE_ENDPOINT: - serial_printf("USB_DESCRIPTOR_TYPE_ENDPOINT - error not implemented\n"); + dbg_ep0(2, "USB_DESCRIPTOR_TYPE_ENDPOINT - error not implemented\n"); return -1; case USB_DESCRIPTOR_TYPE_HID: { - serial_printf("USB_DESCRIPTOR_TYPE_HID - error not implemented\n"); + dbg_ep0(2, "USB_DESCRIPTOR_TYPE_HID - error not implemented\n"); return -1; /* unsupported at this time */ #if 0 int bNumInterface = @@ -338,7 +338,7 @@ static int ep0_get_descriptor (struct usb_device_instance *device, break; case USB_DESCRIPTOR_TYPE_REPORT: { - serial_printf("USB_DESCRIPTOR_TYPE_REPORT - error not implemented\n"); + dbg_ep0(2, "USB_DESCRIPTOR_TYPE_REPORT - error not implemented\n"); return -1; /* unsupported at this time */ #if 0 int bNumInterface = @@ -531,7 +531,7 @@ int ep0_recv_setup (struct urb *urb) le16_to_cpu (request->wValue) & 0xff); case USB_REQ_GET_CONFIGURATION: - serial_printf("get config %d\n", device->configuration); + dbg_ep0(2, "get config %d\n", device->configuration); return ep0_get_one (device, urb, device->configuration); @@ -621,14 +621,14 @@ int ep0_recv_setup (struct urb *urb) device->interface = device->alternate = 0; /*dbg_ep0(2, "set configuration: %d", device->configuration); */ - /*serial_printf("DEVICE_CONFIGURED.. event?\n"); */ + /*dbg_ep0(2, "DEVICE_CONFIGURED.. event?\n"); */ return 0; case USB_REQ_SET_INTERFACE: device->interface = le16_to_cpu (request->wIndex); device->alternate = le16_to_cpu (request->wValue); /*dbg_ep0(2, "set interface: %d alternate: %d", device->interface, device->alternate); */ - serial_printf("DEVICE_SET_INTERFACE.. event?\n"); + dbg_ep0(2, "DEVICE_SET_INTERFACE.. event?\n"); return 0; case USB_REQ_GET_STATUS: diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 147b2eb929f..9651f074a49 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -50,7 +50,7 @@ void musb_start(void) # define config_fifo(dir, idx, addr) \ do { \ writeb(idx, &musbr->dir##fifosz); \ - writew(fifoaddr >> 3, &musbr->dir##fifoadd); \ + writew(addr, &musbr->dir##fifoadd); \ } while (0) #endif @@ -66,14 +66,14 @@ void musb_start(void) void musb_configure_ep(const struct musb_epinfo *epinfo, u8 cnt) { u16 csr; - u16 fifoaddr = 64; /* First 64 bytes of FIFO reserved for EP0 */ + u16 fifoaddr = 64 >> 3; /* First 64 bytes of FIFO reserved for EP0 */ u32 fifosize; u8 idx; while (cnt--) { /* prepare fifosize to write to register */ fifosize = epinfo->epsize >> 3; - idx = ffs(fifosize) - 1; + idx = fifosize ? ((ffs(fifosize) - 1) & 0xF) : 0; writeb(epinfo->epnum, &musbr->index); if (epinfo->epdir) { @@ -81,10 +81,8 @@ void musb_configure_ep(const struct musb_epinfo *epinfo, u8 cnt) config_fifo(tx, idx, fifoaddr); csr = readw(&musbr->txcsr); -#if defined(CONFIG_USB_MUSB_HCD) /* clear the data toggle bit */ writew(csr | MUSB_TXCSR_CLRDATATOG, &musbr->txcsr); -#endif /* Flush fifo if required */ if (csr & MUSB_TXCSR_TXPKTRDY) writew(csr | MUSB_TXCSR_FLUSHFIFO, @@ -94,16 +92,14 @@ void musb_configure_ep(const struct musb_epinfo *epinfo, u8 cnt) config_fifo(rx, idx, fifoaddr); csr = readw(&musbr->rxcsr); -#if defined(CONFIG_USB_MUSB_HCD) /* clear the data toggle bit */ writew(csr | MUSB_RXCSR_CLRDATATOG, &musbr->rxcsr); -#endif /* Flush fifo if required */ if (csr & MUSB_RXCSR_RXPKTRDY) writew(csr | MUSB_RXCSR_FLUSHFIFO, &musbr->rxcsr); } - fifoaddr += epinfo->epsize; + fifoaddr += 1 << idx; epinfo++; } } diff --git a/drivers/usb/musb/musb_udc.c b/drivers/usb/musb/musb_udc.c index d901f8777c2..b9510e30459 100644 --- a/drivers/usb/musb/musb_udc.c +++ b/drivers/usb/musb/musb_udc.c @@ -104,6 +104,8 @@ struct usb_endpoint_instance *ep0_endpoint; static struct usb_device_instance *udc_device; static int enabled; +static u16 pending_intrrx; + #ifdef MUSB_DEBUG static void musb_db_regs(void) { @@ -629,7 +631,7 @@ static void musb_peri_ep0(void) static void musb_peri_rx_ep(unsigned int ep) { u16 peri_rxcount; - u8 peri_rxcsr = readw(&musbr->ep[ep].epN.rxcsr); + u16 peri_rxcsr = readw(&musbr->ep[ep].epN.rxcsr); if (!(peri_rxcsr & MUSB_RXCSR_RXPKTRDY)) { if (debug_level > 0) @@ -664,7 +666,10 @@ static void musb_peri_rx_ep(unsigned int ep) /* The common musb fifo reader */ read_fifo(ep, length, data); - musb_peri_rx_ack(ep); + if (length == peri_rxcount) + musb_peri_rx_ack(ep); + else + pending_intrrx |= (1 << ep); /* * urb's actual_length is updated in @@ -677,18 +682,24 @@ static void musb_peri_rx_ep(unsigned int ep) serial_printf("ERROR : %s %d no space " "in rcv buffer\n", __PRETTY_FUNCTION__, ep); + + pending_intrrx |= (1 << ep); } } else { if (debug_level > 0) serial_printf("ERROR : %s %d problem with " "endpoint\n", __PRETTY_FUNCTION__, ep); + + pending_intrrx |= (1 << ep); } } else { if (debug_level > 0) serial_printf("ERROR : %s %d with nothing to do\n", __PRETTY_FUNCTION__, ep); + + musb_peri_rx_ack(ep); } } @@ -696,9 +707,7 @@ static void musb_peri_rx(u16 intr) { unsigned int ep; - /* Check for EP0 */ - if (0x01 & intr) - musb_peri_ep0(); + /* First bit is reserved and does not indicate interrupt for EP0 */ for (ep = 1; ep < 16; ep++) { if ((1 << ep) & intr) @@ -708,21 +717,16 @@ static void musb_peri_rx(u16 intr) static void musb_peri_tx(u16 intr) { - /* Check for EP0 */ + unsigned int ep; + + /* Check for EP0: first bit indicates interrupt for both RX and TX */ if (0x01 & intr) - musb_peri_ep0_tx(); + musb_peri_ep0(); - /* - * Use this in the future when handling epN tx - * - * u8 ep; - * - * for (ep = 1; ep < 16; ep++) { - * if ((1 << ep) & intr) { - * / * handle tx for this endpoint * / - * } - * } - */ + for (ep = 1; ep < 16; ep++) { + if ((1 << ep) & intr) + udc_endpoint_write(GET_ENDPOINT(udc_device, ep)); + } } void udc_irq(void) @@ -744,8 +748,6 @@ void udc_irq(void) musb_peri_resume(); } - musb_peri_ep0(); - if (MUSB_INTR_RESET & intrusb) { usbd_device_event_irq(udc_device, DEVICE_RESET, 0); musb_peri_reset(); @@ -775,13 +777,16 @@ void udc_irq(void) intrrx = readw(&musbr->intrrx); intrtx = readw(&musbr->intrtx); + intrrx |= pending_intrrx; + pending_intrrx = 0; + if (intrrx) musb_peri_rx(intrrx); if (intrtx) musb_peri_tx(intrtx); } else { - if (MUSB_INTR_SOF & intrusb) { + if (readw(&musbr->intrtx) & 0x1) { u8 faddr; faddr = readb(&musbr->faddr); /* @@ -870,18 +875,8 @@ void udc_setup_ep(struct usb_device_instance *device, unsigned int id, ep0_endpoint->endpoint_address = 0xff; ep0_urb = usbd_alloc_urb(device, endpoint); } else if (MAX_ENDPOINT >= id) { - int ep_addr; - - /* Check the direction */ - ep_addr = endpoint->endpoint_address; - if (USB_DIR_IN == (ep_addr & USB_ENDPOINT_DIR_MASK)) { - /* IN */ - epinfo[(id * 2) + 1].epsize = endpoint->tx_packetSize; - } else { - /* OUT */ - epinfo[id * 2].epsize = endpoint->rcv_packetSize; - } - + epinfo[(id * 2) + 0].epsize = endpoint->rcv_packetSize; + epinfo[(id * 2) + 1].epsize = endpoint->tx_packetSize; musb_configure_ep(&epinfo[0], ARRAY_SIZE(epinfo)); } else { if (debug_level > 0) |