diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/block/dwc_ahsata.c | 34 | ||||
-rw-r--r-- | drivers/gpio/omap_gpio.c | 2 | ||||
-rw-r--r-- | drivers/gpio/s3c2440_gpio.c | 6 | ||||
-rw-r--r-- | drivers/gpio/s5p_gpio.c | 9 | ||||
-rw-r--r-- | drivers/i2c/s3c24x0_i2c.c | 3 | ||||
-rw-r--r-- | drivers/net/fec_mxc.c | 23 | ||||
-rw-r--r-- | drivers/power/battery/bat_trats.c | 13 | ||||
-rw-r--r-- | drivers/power/power_core.c | 3 | ||||
-rw-r--r-- | drivers/serial/serial_s5p.c | 78 | ||||
-rw-r--r-- | drivers/spi/mxc_spi.c | 28 | ||||
-rw-r--r-- | drivers/usb/gadget/f_dfu.c | 7 | ||||
-rw-r--r-- | drivers/usb/gadget/pxa27x_udc.c | 14 | ||||
-rw-r--r-- | drivers/usb/host/ehci-tegra.c | 304 | ||||
-rw-r--r-- | drivers/usb/ulpi/omap-ulpi-viewport.c | 42 | ||||
-rw-r--r-- | drivers/video/exynos_fimd.c | 3 | ||||
-rw-r--r-- | drivers/video/mxsfb.c | 2 |
16 files changed, 446 insertions, 125 deletions
diff --git a/drivers/block/dwc_ahsata.c b/drivers/block/dwc_ahsata.c index c9b71f7e1f9..98f2c52ee33 100644 --- a/drivers/block/dwc_ahsata.c +++ b/drivers/block/dwc_ahsata.c @@ -447,10 +447,13 @@ static int ahci_exec_ata_cmd(struct ahci_probe_ent *probe_ent, if (buf && buf_len) sg_count = ahci_fill_sg(probe_ent, port, buf, buf_len); opts = (sizeof(struct sata_fis_h2d) >> 2) | (sg_count << 16); - if (is_write) + if (is_write) { opts |= 0x40; + flush_cache((ulong)buf, buf_len); + } ahci_fill_cmd_slot(pp, cmd_slot, opts); + flush_cache((int)(pp->cmd_slot), AHCI_PORT_PRIV_DMA_SZ); writel_with_flush(1 << cmd_slot, &(port_mmio->ci)); if (waiting_for_cmd_completed((u8 *)&(port_mmio->ci), @@ -458,8 +461,12 @@ static int ahci_exec_ata_cmd(struct ahci_probe_ent *probe_ent, printf("timeout exit!\n"); return -1; } + invalidate_dcache_range((int)(pp->cmd_slot), + (int)(pp->cmd_slot)+AHCI_PORT_PRIV_DMA_SZ); debug("ahci_exec_ata_cmd: %d byte transferred.\n", pp->cmd_slot->status); + if (!is_write) + invalidate_dcache_range((ulong)buf, (ulong)buf+buf_len); return buf_len; } @@ -468,7 +475,8 @@ static void ahci_set_feature(u8 dev, u8 port) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; memset(cfis, 0, sizeof(struct sata_fis_h2d)); cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; @@ -615,7 +623,8 @@ static void dwc_ahsata_identify(int dev, u16 *id) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; memset(cfis, 0, sizeof(struct sata_fis_h2d)); @@ -645,7 +654,8 @@ static u32 dwc_ahsata_rw_cmd(int dev, u32 start, u32 blkcnt, { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; u32 block; @@ -675,7 +685,8 @@ void dwc_ahsata_flush_cache(int dev) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; memset(cfis, 0, sizeof(struct sata_fis_h2d)); @@ -692,7 +703,8 @@ static u32 dwc_ahsata_rw_cmd_ext(int dev, u32 start, lbaint_t blkcnt, { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; u64 block; @@ -728,7 +740,8 @@ u32 dwc_ahsata_rw_ncq_cmd(int dev, u32 start, lbaint_t blkcnt, { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; u64 block; @@ -769,7 +782,8 @@ void dwc_ahsata_flush_cache_ext(int dev) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; memset(cfis, 0, sizeof(struct sata_fis_h2d)); @@ -912,7 +926,9 @@ int scan_sata(int dev) u8 port = probe_ent->hard_port_no; block_dev_desc_t *pdev = &(sata_dev_desc[dev]); - id = (u16 *)malloc(ATA_ID_WORDS * 2); + id = (u16 *)memalign(ARCH_DMA_MINALIGN, + roundup(ARCH_DMA_MINALIGN, + (ATA_ID_WORDS * 2))); if (!id) { printf("id malloc failed\n\r"); return -1; diff --git a/drivers/gpio/omap_gpio.c b/drivers/gpio/omap_gpio.c index a30d7f0603e..f16e9ae4d2b 100644 --- a/drivers/gpio/omap_gpio.c +++ b/drivers/gpio/omap_gpio.c @@ -55,7 +55,7 @@ static inline int get_gpio_index(int gpio) int gpio_is_valid(int gpio) { - return (gpio >= 0) && (gpio < 192); + return (gpio >= 0) && (gpio < OMAP_MAX_GPIO); } static int check_gpio(int gpio) diff --git a/drivers/gpio/s3c2440_gpio.c b/drivers/gpio/s3c2440_gpio.c index 43bbf1160c6..09b04eb94ae 100644 --- a/drivers/gpio/s3c2440_gpio.c +++ b/drivers/gpio/s3c2440_gpio.c @@ -61,7 +61,7 @@ int gpio_set_value(unsigned gpio, int value) else l &= ~bit; - return writel(port, l); + return writel(l, port); } int gpio_get_value(unsigned gpio) @@ -85,11 +85,11 @@ int gpio_free(unsigned gpio) int gpio_direction_input(unsigned gpio) { - return writel(GPIO_FULLPORT(gpio), GPIO_INPUT << GPIO_BIT(gpio)); + return writel(GPIO_INPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio)); } int gpio_direction_output(unsigned gpio, int value) { - writel(GPIO_FULLPORT(gpio), GPIO_OUTPUT << GPIO_BIT(gpio)); + writel(GPIO_OUTPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio)); return gpio_set_value(gpio, value); } diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c index 656bf4a06c2..4efb768551c 100644 --- a/drivers/gpio/s5p_gpio.c +++ b/drivers/gpio/s5p_gpio.c @@ -48,15 +48,8 @@ void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg) void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en) { - unsigned int value; - s5p_gpio_cfg_pin(bank, gpio, GPIO_OUTPUT); - - value = readl(&bank->dat); - value &= ~DAT_MASK(gpio); - if (en) - value |= DAT_SET(gpio); - writel(value, &bank->dat); + s5p_gpio_set_value(bank, gpio, en); } void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio) diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c index 46d25061ee6..382e4c2ecf5 100644 --- a/drivers/i2c/s3c24x0_i2c.c +++ b/drivers/i2c/s3c24x0_i2c.c @@ -518,8 +518,9 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) #ifdef CONFIG_OF_CONTROL void board_i2c_init(const void *blob) { + int i; int node_list[CONFIG_MAX_I2C_NUM]; - int count, i; + int count; count = fdtdec_find_aliases_for_id(blob, "i2c", COMPAT_SAMSUNG_S3C2440_I2C, node_list, diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index da95e285b70..ec5b9db6600 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -560,7 +560,6 @@ static int fec_init(struct eth_device *dev, bd_t* bd) } memset(fec->tbd_base, 0, size); fec_tbd_init(fec); - flush_dcache_range((unsigned)fec->tbd_base, size); } /* @@ -738,6 +737,28 @@ static int fec_send(struct eth_device *dev, void *packet, int length) flush_dcache_range(addr, addr + size); /* + * Below we read the DMA descriptor's last four bytes back from the + * DRAM. This is important in order to make sure that all WRITE + * operations on the bus that were triggered by previous cache FLUSH + * have completed. + * + * Otherwise, on MX28, it is possible to observe a corruption of the + * DMA descriptors. Please refer to schematic "Figure 1-2" in MX28RM + * for the bus structure of MX28. The scenario is as follows: + * + * 1) ARM core triggers a series of WRITEs on the AHB_ARB2 bus going + * to DRAM due to flush_dcache_range() + * 2) ARM core writes the FEC registers via AHB_ARB2 + * 3) FEC DMA starts reading/writing from/to DRAM via AHB_ARB3 + * + * Note that 2) does sometimes finish before 1) due to reordering of + * WRITE accesses on the AHB bus, therefore triggering 3) before the + * DMA descriptor is fully written into DRAM. This results in occasional + * corruption of the DMA descriptor. + */ + readl(addr + size - 4); + + /* * Enable SmartDMA transmit task */ fec_tx_task_enable(fec); diff --git a/drivers/power/battery/bat_trats.c b/drivers/power/battery/bat_trats.c index ca0d2146599..97a9661150f 100644 --- a/drivers/power/battery/bat_trats.c +++ b/drivers/power/battery/bat_trats.c @@ -41,18 +41,23 @@ static int power_battery_charge(struct pmic *bat) for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) && bat->chrg->chrg_type(p_bat->muic) && battery->state_of_chrg < 100; k++) { - udelay(10000000); - puts("."); + udelay(2000000); + if (!(k % 5)) + puts("."); bat->fg->fg_battery_update(p_bat->fg, bat); - if (k == 100) { + if (k == 200) { debug(" %d [V]", battery->voltage_uV); puts("\n"); k = 0; } + if (ctrlc()) { + printf("\nCharging disabled on request.\n"); + goto exit; + } } - + exit: bat->chrg->chrg_state(p_bat->chrg, CHARGER_DISABLE, 0); return 0; diff --git a/drivers/power/power_core.c b/drivers/power/power_core.c index 90df2c58c4c..f16b9dc0666 100644 --- a/drivers/power/power_core.c +++ b/drivers/power/power_core.c @@ -205,7 +205,8 @@ int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (strcmp(argv[3], "charge") == 0) { if (p->pbat) { - printf("PRINT BAT charge %s\n", p->name); + printf("BAT: %s charging (ctrl+c to break)\n", + p->name); if (p->low_power_mode) p->low_power_mode(); if (p->pbat->battery_charge) diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index e65125ccd74..6836c7a2259 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -22,6 +22,7 @@ */ #include <common.h> +#include <fdtdec.h> #include <linux/compiler.h> #include <asm/io.h> #include <asm/arch/uart.h> @@ -34,10 +35,21 @@ DECLARE_GLOBAL_DATA_PTR; #define RX_FIFO_FULL_MASK (1 << 8) #define TX_FIFO_FULL_MASK (1 << 24) +/* Information about a serial port */ +struct fdt_serial { + u32 base_addr; /* address of registers in physical memory */ + u8 port_id; /* uart port number */ + u8 enabled; /* 1 if enabled, 0 if disabled */ +} config __attribute__ ((section(".data"))); + static inline struct s5p_uart *s5p_get_base_uart(int dev_index) { +#ifdef CONFIG_OF_CONTROL + return (struct s5p_uart *)(config.base_addr); +#else u32 offset = dev_index * sizeof(struct s5p_uart); return (struct s5p_uart *)(samsung_get_base_uart() + offset); +#endif } /* @@ -73,6 +85,16 @@ void serial_setbrg_dev(const int dev_index) u32 baudrate = gd->baudrate; u32 val; +#if defined(CONFIG_SILENT_CONSOLE) && \ + defined(CONFIG_OF_CONTROL) && \ + !defined(CONFIG_SPL_BUILD) + if (fdtdec_get_config_int(gd->fdt_blob, "silent_console", 0)) + gd->flags |= GD_FLG_SILENT; +#endif + + if (!config.enabled) + return; + val = uclk / baudrate; writel(val / 16 - 1, &uart->ubrdiv); @@ -133,6 +155,9 @@ int serial_getc_dev(const int dev_index) { struct s5p_uart *const uart = s5p_get_base_uart(dev_index); + if (!config.enabled) + return 0; + /* wait for character to arrive */ while (!(readl(&uart->ufstat) & (RX_FIFO_COUNT_MASK | RX_FIFO_FULL_MASK))) { @@ -150,6 +175,9 @@ void serial_putc_dev(const char c, const int dev_index) { struct s5p_uart *const uart = s5p_get_base_uart(dev_index); + if (!config.enabled) + return; + /* wait for room in the tx FIFO */ while ((readl(&uart->ufstat) & TX_FIFO_FULL_MASK)) { if (serial_err_check(dev_index, 1)) @@ -170,6 +198,9 @@ int serial_tstc_dev(const int dev_index) { struct s5p_uart *const uart = s5p_get_base_uart(dev_index); + if (!config.enabled) + return 0; + return (int)(readl(&uart->utrstat) & 0x1); } @@ -212,8 +243,54 @@ DECLARE_S5P_SERIAL_FUNCTIONS(3); struct serial_device s5p_serial3_device = INIT_S5P_SERIAL_STRUCTURE(3, "s5pser3"); +#ifdef CONFIG_OF_CONTROL +int fdtdec_decode_console(int *index, struct fdt_serial *uart) +{ + const void *blob = gd->fdt_blob; + int node; + + node = fdt_path_offset(blob, "console"); + if (node < 0) + return node; + + uart->base_addr = fdtdec_get_addr(blob, node, "reg"); + if (uart->base_addr == FDT_ADDR_T_NONE) + return -FDT_ERR_NOTFOUND; + + uart->port_id = fdtdec_get_int(blob, node, "id", -1); + uart->enabled = fdtdec_get_is_enabled(blob, node); + + return 0; +} +#endif + __weak struct serial_device *default_serial_console(void) { +#ifdef CONFIG_OF_CONTROL + int index = 0; + + if ((!config.base_addr) && (fdtdec_decode_console(&index, &config))) { + debug("Cannot decode default console node\n"); + return NULL; + } + + switch (config.port_id) { + case 0: + return &s5p_serial0_device; + case 1: + return &s5p_serial1_device; + case 2: + return &s5p_serial2_device; + case 3: + return &s5p_serial3_device; + default: + debug("Unknown config.port_id: %d", config.port_id); + break; + } + + return NULL; +#else + config.enabled = 1; #if defined(CONFIG_SERIAL0) return &s5p_serial0_device; #elif defined(CONFIG_SERIAL1) @@ -225,6 +302,7 @@ __weak struct serial_device *default_serial_console(void) #else #error "CONFIG_SERIAL? missing." #endif +#endif } void s5p_serial_initialize(void) diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c index 2ea322833c2..9c68d7d29ff 100644 --- a/drivers/spi/mxc_spi.c +++ b/drivers/spi/mxc_spi.c @@ -128,8 +128,8 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs, unsigned int max_hz, unsigned int mode) { u32 clk_src = mxc_get_clock(MXC_CSPI_CLK); - s32 pre_div = 0, post_div = 0, i, reg_ctrl, reg_config; - u32 ss_pol = 0, sclkpol = 0, sclkpha = 0; + s32 reg_ctrl, reg_config; + u32 ss_pol = 0, sclkpol = 0, sclkpha = 0, pre_div = 0, post_div = 0; struct cspi_regs *regs = (struct cspi_regs *)mxcs->base; if (max_hz == 0) { @@ -147,26 +147,20 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs, reg_ctrl |= MXC_CSPICTRL_EN; reg_write(®s->ctrl, reg_ctrl); - /* - * The following computation is taken directly from Freescale's code. - */ if (clk_src > max_hz) { - pre_div = DIV_ROUND_UP(clk_src, max_hz); - if (pre_div > 16) { - post_div = pre_div / 16; - pre_div = 15; - } - if (post_div != 0) { - for (i = 0; i < 16; i++) { - if ((1 << i) >= post_div) - break; - } - if (i == 16) { + pre_div = (clk_src - 1) / max_hz; + /* fls(1) = 1, fls(0x80000000) = 32, fls(16) = 5 */ + post_div = fls(pre_div); + if (post_div > 4) { + post_div -= 4; + if (post_div >= 16) { printf("Error: no divider for the freq: %d\n", max_hz); return -1; } - post_div = i; + pre_div >>= post_div; + } else { + post_div = 0; } } diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c index e3fa0e373d1..d7ae0c0c6a9 100644 --- a/drivers/usb/gadget/f_dfu.c +++ b/drivers/usb/gadget/f_dfu.c @@ -5,6 +5,13 @@ * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com> * Lukasz Majewski <l.majewski@samsung.com> * + * Based on OpenMoko u-boot: drivers/usb/usbdfu.c + * (C) 2007 by OpenMoko, Inc. + * Author: Harald Welte <laforge@openmoko.org> + * + * based on existing SAM7DFU code from OpenPCD: + * (C) Copyright 2006 by Harald Welte <hwelte at hmw-consulting.de> + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index 71cc0f2a056..598923dfc86 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -151,7 +151,7 @@ static int udc_read_urb(struct usb_endpoint_instance *endpoint) struct urb *urb = endpoint->rcv_urb; int ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK; u32 *data32 = (u32 *) urb->buffer; - unsigned int i, n, is_short ; + unsigned int i, n; usbdbg("read urb on ep %d", ep_num); #if defined(USBDDBG) && defined(USBDPARANOIA) @@ -165,9 +165,8 @@ static int udc_read_urb(struct usb_endpoint_instance *endpoint) n = readl(UDCBCN(ep_num)) & 0x3ff; else /* zlp */ n = 0; - is_short = n != endpoint->rcv_packetSize; - usbdbg("n %d%s", n, is_short ? "-s" : ""); + usbdbg("n %d%s", n, n != endpoint->rcv_packetSize ? "-s" : ""); for (i = 0; i < n; i += 4) data32[urb->actual_length / 4 + i / 4] = readl(UDCDN(ep_num)); @@ -402,16 +401,13 @@ static void udc_handle_ep(struct usb_endpoint_instance *endpoint) static void udc_state_changed(void) { - int config, interface, alternate; writel(readl(UDCCR) | UDCCR_SMAC, UDCCR); - config = (readl(UDCCR) & UDCCR_ACN) >> UDCCR_ACN_S; - interface = (readl(UDCCR) & UDCCR_AIN) >> UDCCR_AIN_S; - alternate = (readl(UDCCR) & UDCCR_AAISN) >> UDCCR_AAISN_S; - usbdbg("New UDC settings are: conf %d - inter %d - alter %d", - config, interface, alternate); + (readl(UDCCR) & UDCCR_ACN) >> UDCCR_ACN_S, + (readl(UDCCR) & UDCCR_AIN) >> UDCCR_AIN_S, + (readl(UDCCR) & UDCCR_AAISN) >> UDCCR_AAISN_S); usbd_device_event_irq(udc_device, DEVICE_CONFIGURED, 0); writel(UDCISR1_IRCC, UDCISR1); diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 554145a2506..a9603bc1048 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -1,6 +1,6 @@ /* * Copyright (c) 2011 The Chromium OS Authors. - * Copyright (c) 2009-2012 NVIDIA Corporation + * Copyright (c) 2009-2013 NVIDIA Corporation * Copyright (c) 2013 Lucas Stach * * See file CREDITS for list of people who contributed to this @@ -28,6 +28,8 @@ #include <asm-generic/gpio.h> #include <asm/arch/clock.h> #include <asm/arch-tegra/usb.h> +#include <asm/arch-tegra/clk_rst.h> +#include <asm/arch/usb.h> #include <usb.h> #include <usb/ulpi.h> #include <libfdt.h> @@ -35,6 +37,11 @@ #include "ehci.h" +#define USB1_ADDR_MASK 0xFFFF0000 + +#define HOSTPC1_DEVLC 0x84 +#define HOSTPC1_PSPD(x) (((x) >> 25) & 0x3) + #ifdef CONFIG_USB_ULPI #ifndef CONFIG_USB_ULPI_VIEWPORT #error "To use CONFIG_USB_ULPI on Tegra Boards you have to also \ @@ -87,6 +94,8 @@ struct fdt_usb { static struct fdt_usb port[USB_PORTS_MAX]; /* List of valid USB ports */ static unsigned port_count; /* Number of available ports */ +/* Port that needs to clear CSC after Port Reset */ +static u32 port_addr_clear_csc; /* * This table has USB timing parameters for each Oscillator frequency we @@ -129,7 +138,7 @@ static unsigned port_count; /* Number of available ports */ * * 4. The 20 microsecond delay after bias cell operation. */ -static const unsigned usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { +static const unsigned T20_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { /* DivN, DivM, DivP, CPCON, LFCON, Delays Debounce, Bias */ { 0x3C0, 0x0D, 0x00, 0xC, 0, 0x02, 0x33, 0x05, 0x7F, 0x7EF4, 5 }, { 0x0C8, 0x04, 0x00, 0x3, 0, 0x03, 0x4B, 0x06, 0xBB, 0xBB80, 7 }, @@ -137,6 +146,22 @@ static const unsigned usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { { 0x3C0, 0x1A, 0x00, 0xC, 0, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 9 } }; +static const unsigned T30_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { + /* DivN, DivM, DivP, CPCON, LFCON, Delays Debounce, Bias */ + { 0x3C0, 0x0D, 0x00, 0xC, 1, 0x02, 0x33, 0x09, 0x7F, 0x7EF4, 5 }, + { 0x0C8, 0x04, 0x00, 0x3, 0, 0x03, 0x4B, 0x0C, 0xBB, 0xBB80, 7 }, + { 0x3C0, 0x0C, 0x00, 0xC, 1, 0x02, 0x2F, 0x08, 0x76, 0x7530, 5 }, + { 0x3C0, 0x1A, 0x00, 0xC, 1, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 9 } +}; + +static const unsigned T114_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { + /* DivN, DivM, DivP, CPCON, LFCON, Delays Debounce, Bias */ + { 0x3C0, 0x0D, 0x00, 0xC, 2, 0x02, 0x33, 0x09, 0x7F, 0x7EF4, 6 }, + { 0x0C8, 0x04, 0x00, 0x3, 2, 0x03, 0x4B, 0x0C, 0xBB, 0xBB80, 8 }, + { 0x3C0, 0x0C, 0x00, 0xC, 2, 0x02, 0x2F, 0x08, 0x76, 0x7530, 5 }, + { 0x3C0, 0x1A, 0x00, 0xC, 2, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 0xB } +}; + /* UTMIP Idle Wait Delay */ static const u8 utmip_idle_wait_delay = 17; @@ -146,6 +171,33 @@ static const u8 utmip_elastic_limit = 16; /* UTMIP High Speed Sync Start Delay */ static const u8 utmip_hs_sync_start_delay = 9; +struct fdt_usb_controller { + int compat; + /* flag to determine whether controller supports hostpc register */ + u32 has_hostpc:1; + const unsigned *pll_parameter; +}; + +static struct fdt_usb_controller fdt_usb_controllers[] = { + { + .compat = COMPAT_NVIDIA_TEGRA20_USB, + .has_hostpc = 0, + .pll_parameter = (const unsigned *)T20_usb_pll, + }, + { + .compat = COMPAT_NVIDIA_TEGRA30_USB, + .has_hostpc = 1, + .pll_parameter = (const unsigned *)T30_usb_pll, + }, + { + .compat = COMPAT_NVIDIA_TEGRA114_USB, + .has_hostpc = 1, + .pll_parameter = (const unsigned *)T114_usb_pll, + }, +}; + +static struct fdt_usb_controller *controller; + /* * A known hardware issue where Connect Status Change bit of PORTSC register * of USB1 controller will be set after Port Reset. @@ -156,13 +208,52 @@ static const u8 utmip_hs_sync_start_delay = 9; void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg) { mdelay(50); - if (((u32) status_reg & TEGRA_USB_ADDR_MASK) != TEGRA_USB1_BASE) + /* This is to avoid PORT_ENABLE bit to be cleared in "ehci-hcd.c". */ + if (controller->has_hostpc) + *reg |= EHCI_PS_PE; + + if (((u32)status_reg & TEGRA_USB_ADDR_MASK) != port_addr_clear_csc) return; /* For EHCI_PS_CSC to be cleared in ehci_hcd.c */ if (ehci_readl(status_reg) & EHCI_PS_CSC) *reg |= EHCI_PS_CSC; } +/* + * This ehci_set_usbmode overrides the weak function ehci_set_usbmode + * in "ehci-hcd.c". + */ +void ehci_set_usbmode(int index) +{ + struct fdt_usb *config; + struct usb_ctlr *usbctlr; + uint32_t tmp; + + config = &port[index]; + usbctlr = config->reg; + + tmp = ehci_readl(&usbctlr->usb_mode); + tmp |= USBMODE_CM_HC; + ehci_writel(&usbctlr->usb_mode, tmp); +} + +/* + * This ehci_get_port_speed overrides the weak function ehci_get_port_speed + * in "ehci-hcd.c". + */ +int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg) +{ + uint32_t tmp; + uint32_t *reg_ptr; + + if (controller->has_hostpc) { + reg_ptr = (uint32_t *)((u8 *)&hcor->or_usbcmd + HOSTPC1_DEVLC); + tmp = ehci_readl(reg_ptr); + return HOSTPC1_PSPD(tmp); + } else + return PORTSC_PSPD(reg); +} + /* Put the port into host mode */ static void set_host_mode(struct fdt_usb *config) { @@ -209,6 +300,16 @@ void usbf_reset_controller(struct fdt_usb *config, struct usb_ctlr *usbctlr) setbits_le32(&usbctlr->susp_ctrl, UTMIP_PHY_ENB); } +static const unsigned *get_pll_timing(void) +{ + const unsigned *timing; + + timing = controller->pll_parameter + + clock_get_osc_freq() * PARAM_COUNT; + + return timing; +} + /* set up the UTMI USB controller with the parameters provided */ static int init_utmi_usb_controller(struct fdt_usb *config) { @@ -216,6 +317,8 @@ static int init_utmi_usb_controller(struct fdt_usb *config) int loop_count; const unsigned *timing; struct usb_ctlr *usbctlr = config->reg; + struct clk_rst_ctlr *clkrst; + struct usb_ctlr *usb1ctlr; clock_enable(config->periph_id); @@ -232,35 +335,97 @@ static int init_utmi_usb_controller(struct fdt_usb *config) * To Use the A Session Valid for cable detection logic, VBUS_WAKEUP * mux must be switched to actually use a_sess_vld threshold. */ - if (fdt_gpio_isvalid(&config->vbus_gpio)) { + if (config->dr_mode == DR_MODE_OTG && + fdt_gpio_isvalid(&config->vbus_gpio)) clrsetbits_le32(&usbctlr->usb1_legacy_ctrl, VBUS_SENSE_CTL_MASK, VBUS_SENSE_CTL_A_SESS_VLD << VBUS_SENSE_CTL_SHIFT); - } /* * PLL Delay CONFIGURATION settings. The following parameters control * the bring up of the plls. */ - timing = usb_pll[clock_get_osc_freq()]; - - val = readl(&usbctlr->utmip_misc_cfg1); - clrsetbits_le32(&val, UTMIP_PLLU_STABLE_COUNT_MASK, - timing[PARAM_STABLE_COUNT] << UTMIP_PLLU_STABLE_COUNT_SHIFT); - clrsetbits_le32(&val, UTMIP_PLL_ACTIVE_DLY_COUNT_MASK, - timing[PARAM_ACTIVE_DELAY_COUNT] << - UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT); - writel(val, &usbctlr->utmip_misc_cfg1); - - /* Set PLL enable delay count and crystal frequency count */ - val = readl(&usbctlr->utmip_pll_cfg1); - clrsetbits_le32(&val, UTMIP_PLLU_ENABLE_DLY_COUNT_MASK, - timing[PARAM_ENABLE_DELAY_COUNT] << - UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT); - clrsetbits_le32(&val, UTMIP_XTAL_FREQ_COUNT_MASK, - timing[PARAM_XTAL_FREQ_COUNT] << - UTMIP_XTAL_FREQ_COUNT_SHIFT); - writel(val, &usbctlr->utmip_pll_cfg1); + timing = get_pll_timing(); + + if (!controller->has_hostpc) { + val = readl(&usbctlr->utmip_misc_cfg1); + clrsetbits_le32(&val, UTMIP_PLLU_STABLE_COUNT_MASK, + timing[PARAM_STABLE_COUNT] << + UTMIP_PLLU_STABLE_COUNT_SHIFT); + clrsetbits_le32(&val, UTMIP_PLL_ACTIVE_DLY_COUNT_MASK, + timing[PARAM_ACTIVE_DELAY_COUNT] << + UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT); + writel(val, &usbctlr->utmip_misc_cfg1); + + /* Set PLL enable delay count and crystal frequency count */ + val = readl(&usbctlr->utmip_pll_cfg1); + clrsetbits_le32(&val, UTMIP_PLLU_ENABLE_DLY_COUNT_MASK, + timing[PARAM_ENABLE_DELAY_COUNT] << + UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT); + clrsetbits_le32(&val, UTMIP_XTAL_FREQ_COUNT_MASK, + timing[PARAM_XTAL_FREQ_COUNT] << + UTMIP_XTAL_FREQ_COUNT_SHIFT); + writel(val, &usbctlr->utmip_pll_cfg1); + } else { + clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; + + val = readl(&clkrst->crc_utmip_pll_cfg2); + clrsetbits_le32(&val, UTMIP_PLLU_STABLE_COUNT_MASK, + timing[PARAM_STABLE_COUNT] << + UTMIP_PLLU_STABLE_COUNT_SHIFT); + clrsetbits_le32(&val, UTMIP_PLL_ACTIVE_DLY_COUNT_MASK, + timing[PARAM_ACTIVE_DELAY_COUNT] << + UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT); + writel(val, &clkrst->crc_utmip_pll_cfg2); + + /* Set PLL enable delay count and crystal frequency count */ + val = readl(&clkrst->crc_utmip_pll_cfg1); + clrsetbits_le32(&val, UTMIP_PLLU_ENABLE_DLY_COUNT_MASK, + timing[PARAM_ENABLE_DELAY_COUNT] << + UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT); + clrsetbits_le32(&val, UTMIP_XTAL_FREQ_COUNT_MASK, + timing[PARAM_XTAL_FREQ_COUNT] << + UTMIP_XTAL_FREQ_COUNT_SHIFT); + writel(val, &clkrst->crc_utmip_pll_cfg1); + + /* Disable Power Down state for PLL */ + clrbits_le32(&clkrst->crc_utmip_pll_cfg1, + PLLU_POWERDOWN | PLL_ENABLE_POWERDOWN | + PLL_ACTIVE_POWERDOWN); + + /* Recommended PHY settings for EYE diagram */ + val = readl(&usbctlr->utmip_xcvr_cfg0); + clrsetbits_le32(&val, UTMIP_XCVR_SETUP_MASK, + 0x4 << UTMIP_XCVR_SETUP_SHIFT); + clrsetbits_le32(&val, UTMIP_XCVR_SETUP_MSB_MASK, + 0x3 << UTMIP_XCVR_SETUP_MSB_SHIFT); + clrsetbits_le32(&val, UTMIP_XCVR_HSSLEW_MSB_MASK, + 0x8 << UTMIP_XCVR_HSSLEW_MSB_SHIFT); + writel(val, &usbctlr->utmip_xcvr_cfg0); + clrsetbits_le32(&usbctlr->utmip_xcvr_cfg1, + UTMIP_XCVR_TERM_RANGE_ADJ_MASK, + 0x7 << UTMIP_XCVR_TERM_RANGE_ADJ_SHIFT); + + /* Some registers can be controlled from USB1 only. */ + if (config->periph_id != PERIPH_ID_USBD) { + clock_enable(PERIPH_ID_USBD); + /* Disable Reset if in Reset state */ + reset_set_enable(PERIPH_ID_USBD, 0); + } + usb1ctlr = (struct usb_ctlr *) + ((u32)config->reg & USB1_ADDR_MASK); + val = readl(&usb1ctlr->utmip_bias_cfg0); + setbits_le32(&val, UTMIP_HSDISCON_LEVEL_MSB); + clrsetbits_le32(&val, UTMIP_HSDISCON_LEVEL_MASK, + 0x1 << UTMIP_HSDISCON_LEVEL_SHIFT); + clrsetbits_le32(&val, UTMIP_HSSQUELCH_LEVEL_MASK, + 0x2 << UTMIP_HSSQUELCH_LEVEL_SHIFT); + writel(val, &usb1ctlr->utmip_bias_cfg0); + + /* Miscellaneous setting mentioned in Programming Guide */ + clrbits_le32(&usbctlr->utmip_misc_cfg0, + UTMIP_SUSPEND_EXIT_ON_EDGE); + } /* Setting the tracking length time */ clrsetbits_le32(&usbctlr->utmip_bias_cfg1, @@ -308,6 +473,14 @@ static int init_utmi_usb_controller(struct fdt_usb *config) /* Resuscitate crystal clock by setting UTMIP_PHY_XTAL_CLOCKEN */ setbits_le32(&usbctlr->utmip_misc_cfg1, UTMIP_PHY_XTAL_CLOCKEN); + if (controller->has_hostpc) { + if (config->periph_id == PERIPH_ID_USBD) + clrbits_le32(&clkrst->crc_utmip_pll_cfg2, + UTMIP_FORCE_PD_SAMP_A_POWERDOWN); + if (config->periph_id == PERIPH_ID_USB3) + clrbits_le32(&clkrst->crc_utmip_pll_cfg2, + UTMIP_FORCE_PD_SAMP_C_POWERDOWN); + } /* Finished the per-controller init. */ /* De-assert UTMIP_RESET to bring out of reset. */ @@ -336,6 +509,18 @@ static int init_utmi_usb_controller(struct fdt_usb *config) clrbits_le32(&usbctlr->utmip_xcvr_cfg1, UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN | UTMIP_FORCE_PDDR_POWERDOWN); + if (controller->has_hostpc) { + /* + * BIAS Pad Power Down is common among all 3 USB + * controllers and can be controlled from USB1 only. + */ + usb1ctlr = (struct usb_ctlr *) + ((u32)config->reg & USB1_ADDR_MASK); + clrbits_le32(&usb1ctlr->utmip_bias_cfg0, UTMIP_BIASPD); + udelay(25); + clrbits_le32(&usb1ctlr->utmip_bias_cfg1, + UTMIP_FORCE_PDTRK_POWERDOWN); + } return 0; } @@ -438,7 +623,7 @@ static void config_clock(const u32 timing[]) timing[PARAM_CPCON], timing[PARAM_LFCON]); } -int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config) +static int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config) { const char *phy, *mode; @@ -466,6 +651,8 @@ int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config) config->enabled = fdtdec_get_is_enabled(blob, node); config->has_legacy_mode = fdtdec_get_bool(blob, node, "nvidia,has-legacy-mode"); + if (config->has_legacy_mode) + port_addr_clear_csc = (u32) config->reg; config->periph_id = clock_decode_periph_id(blob, node); if (config->periph_id == PERIPH_ID_NONE) { debug("%s: Missing/invalid peripheral ID\n", __func__); @@ -483,20 +670,22 @@ int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config) return 0; } -int board_usb_init(const void *blob) +/* + * process_usb_nodes() - Process a list of USB nodes, adding them to our list + * of USB ports. + * @blob: fdt blob + * @node_list: list of nodes to process (any <=0 are ignored) + * @count: number of nodes to process + * + * Return: 0 - ok, -1 - error + */ +static int process_usb_nodes(const void *blob, int node_list[], int count) { struct fdt_usb config; - enum clock_osc_freq freq; - int node_list[USB_PORTS_MAX]; - int node, count, i; - - /* Set up the USB clocks correctly based on our oscillator frequency */ - freq = clock_get_osc_freq(); - config_clock(usb_pll[freq]); + int node, i; + int clk_done = 0; - /* count may return <0 on error */ - count = fdtdec_find_aliases_for_id(blob, "usb", - COMPAT_NVIDIA_TEGRA20_USB, node_list, USB_PORTS_MAX); + port_count = 0; for (i = 0; i < count; i++) { if (port_count == USB_PORTS_MAX) { printf("tegrausb: Cannot register more than %d ports\n", @@ -513,6 +702,10 @@ int board_usb_init(const void *blob) fdt_get_name(blob, node, NULL)); return -1; } + if (!clk_done) { + config_clock(get_pll_timing()); + clk_done = 1; + } config.initialized = 0; /* add new USB port to the list of available ports */ @@ -522,6 +715,31 @@ int board_usb_init(const void *blob) return 0; } +int board_usb_init(const void *blob) +{ + int node_list[USB_PORTS_MAX]; + int count, err = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(fdt_usb_controllers); i++) { + controller = &fdt_usb_controllers[i]; + + count = fdtdec_find_aliases_for_id(blob, "usb", + controller->compat, node_list, USB_PORTS_MAX); + if (count) { + err = process_usb_nodes(blob, node_list, count); + if (err) + printf("%s: Error processing USB node!\n", + __func__); + return err; + } + } + if (i == ARRAY_SIZE(fdt_usb_controllers)) + controller = NULL; + + return err; +} + /** * Start up the given port number (ports are numbered from 0 on each board). * This returns values for the appropriate hccr and hcor addresses to use for @@ -564,6 +782,20 @@ success: usbctlr = config->reg; *hccr = (struct ehci_hccr *)&usbctlr->cap_length; *hcor = (struct ehci_hcor *)&usbctlr->usb_cmd; + + if (controller->has_hostpc) { + /* Set to Host mode after Controller Reset was done */ + clrsetbits_le32(&usbctlr->usb_mode, USBMODE_CM_HC, + USBMODE_CM_HC); + /* Select UTMI parallel interface after setting host mode */ + if (config->utmi) { + clrsetbits_le32((char *)&usbctlr->usb_cmd + + HOSTPC1_DEVLC, PTS_MASK, + PTS_UTMI << PTS_SHIFT); + clrbits_le32((char *)&usbctlr->usb_cmd + + HOSTPC1_DEVLC, STS); + } + } return 0; } diff --git a/drivers/usb/ulpi/omap-ulpi-viewport.c b/drivers/usb/ulpi/omap-ulpi-viewport.c index 3c1ea1a5240..4db7fa43ce1 100644 --- a/drivers/usb/ulpi/omap-ulpi-viewport.c +++ b/drivers/usb/ulpi/omap-ulpi-viewport.c @@ -22,18 +22,19 @@ #include <asm/io.h> #include <usb/ulpi.h> -#define OMAP_ULPI_WR_OPSEL (3 << 21) -#define OMAP_ULPI_ACCESS (1 << 31) +#define OMAP_ULPI_WR_OPSEL (2 << 22) +#define OMAP_ULPI_RD_OPSEL (3 << 22) +#define OMAP_ULPI_START (1 << 31) /* - * Wait for the ULPI Access to complete + * Wait for having ulpi in done state */ static int ulpi_wait(struct ulpi_viewport *ulpi_vp, u32 mask) { int timeout = CONFIG_USB_ULPI_TIMEOUT; while (--timeout) { - if ((readl(ulpi_vp->viewport_addr) & mask)) + if (!(readl(ulpi_vp->viewport_addr) & mask)) return 0; udelay(1); @@ -43,40 +44,15 @@ static int ulpi_wait(struct ulpi_viewport *ulpi_vp, u32 mask) } /* - * Wake the ULPI PHY up for communication - * - * returns 0 on success. - */ -static int ulpi_wakeup(struct ulpi_viewport *ulpi_vp) -{ - int err; - - if (readl(ulpi_vp->viewport_addr) & OMAP_ULPI_ACCESS) - return 0; /* already awake */ - - writel(OMAP_ULPI_ACCESS, ulpi_vp->viewport_addr); - - err = ulpi_wait(ulpi_vp, OMAP_ULPI_ACCESS); - if (err) - debug("ULPI wakeup timed out\n"); - - return err; -} - -/* * Issue a ULPI read/write request */ static int ulpi_request(struct ulpi_viewport *ulpi_vp, u32 value) { int err; - err = ulpi_wakeup(ulpi_vp); - if (err) - return err; - writel(value, ulpi_vp->viewport_addr); - err = ulpi_wait(ulpi_vp, OMAP_ULPI_ACCESS); + err = ulpi_wait(ulpi_vp, OMAP_ULPI_START); if (err) debug("ULPI request timed out\n"); @@ -85,7 +61,7 @@ static int ulpi_request(struct ulpi_viewport *ulpi_vp, u32 value) int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value) { - u32 val = ((ulpi_vp->port_num & 0xf) << 24) | + u32 val = OMAP_ULPI_START | (((ulpi_vp->port_num + 1) & 0xf) << 24) | OMAP_ULPI_WR_OPSEL | ((u32)reg << 16) | (value & 0xff); return ulpi_request(ulpi_vp, val); @@ -94,8 +70,8 @@ int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value) u32 ulpi_read(struct ulpi_viewport *ulpi_vp, u8 *reg) { int err; - u32 val = ((ulpi_vp->port_num & 0xf) << 24) | - OMAP_ULPI_WR_OPSEL | ((u32)reg << 16); + u32 val = OMAP_ULPI_START | (((ulpi_vp->port_num + 1) & 0xf) << 24) | + OMAP_ULPI_RD_OPSEL | ((u32)reg << 16); err = ulpi_request(ulpi_vp, val); if (err) diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c index 33599499ee2..7243ea335e3 100644 --- a/drivers/video/exynos_fimd.c +++ b/drivers/video/exynos_fimd.c @@ -280,8 +280,9 @@ void exynos_fimd_lcd_init(vidinfo_t *vid) node, "reg"); if (fimd_ctrl == NULL) debug("Can't get the FIMD base address\n"); -#endif +#else fimd_ctrl = (struct exynos_fb *)samsung_get_base_fimd(); +#endif offset = exynos_fimd_get_base_offset(); diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index b1894193583..b0f7ef8d478 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -137,7 +137,7 @@ void *video_hw_init(void) /* Suck display configuration from "videomode" variable */ penv = getenv("videomode"); if (!penv) { - printf("MXSFB: 'videomode' variable not set!"); + puts("MXSFB: 'videomode' variable not set!\n"); return NULL; } |