X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fehci-tegra.c;h=e3620da15fb13974a089834861d4d47d202b2aca;hb=4f892924d238cc415891dbea336a0fdaff2f853b;hp=e2574d7958e731e63fb7bee27c214c5997077984;hpb=0d3f732fd2ba679b4498541f075d1b1bdbea3935;p=oweals%2Fu-boot.git diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index e2574d7958..e3620da15f 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) 2009-2013 NVIDIA Corporation + * Copyright (c) 2009-2015 NVIDIA Corporation * Copyright (c) 2013 Lucas Stach * * SPDX-License-Identifier: GPL-2.0+ @@ -8,7 +8,7 @@ #include #include -#include +#include #include #include #include @@ -64,6 +64,7 @@ enum usb_ctlr_type { USB_CTLR_T20, USB_CTLR_T30, USB_CTLR_T114, + USB_CTLR_T210, USB_CTRL_COUNT, }; @@ -130,7 +131,9 @@ static const unsigned T20_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { { 0x3C0, 0x0D, 0x00, 0xC, 0, 0x02, 0x33, 0x05, 0x7F, 0x7EF4, 5 }, { 0x0C8, 0x04, 0x00, 0x3, 0, 0x03, 0x4B, 0x06, 0xBB, 0xBB80, 7 }, { 0x3C0, 0x0C, 0x00, 0xC, 0, 0x02, 0x2F, 0x04, 0x76, 0x7530, 5 }, - { 0x3C0, 0x1A, 0x00, 0xC, 0, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 9 } + { 0x3C0, 0x1A, 0x00, 0xC, 0, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 9 }, + { 0x000, 0x00, 0x00, 0x0, 0, 0x00, 0x00, 0x00, 0x00, 0x0000, 0 }, + { 0x000, 0x00, 0x00, 0x0, 0, 0x00, 0x00, 0x00, 0x00, 0x0000, 0 } }; static const unsigned T30_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { @@ -138,7 +141,9 @@ static const unsigned T30_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { { 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 } + { 0x3C0, 0x1A, 0x00, 0xC, 1, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 9 }, + { 0x000, 0x00, 0x00, 0x0, 0, 0x00, 0x00, 0x00, 0x00, 0x0000, 0 }, + { 0x000, 0x00, 0x00, 0x0, 0, 0x00, 0x00, 0x00, 0x00, 0x0000, 0 } }; static const unsigned T114_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { @@ -146,7 +151,20 @@ static const unsigned T114_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { { 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 } + { 0x3C0, 0x1A, 0x00, 0xC, 2, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 11 }, + { 0x000, 0x00, 0x00, 0x0, 0, 0x00, 0x00, 0x00, 0x00, 0x0000, 0 }, + { 0x000, 0x00, 0x00, 0x0, 0, 0x00, 0x00, 0x00, 0x00, 0x0000, 0 } +}; + +/* NOTE: 13/26MHz settings are N/A for T210, so dupe 12MHz settings for now */ +static const unsigned T210_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = { + /* DivN, DivM, DivP, KCP, KVCO, Delays Debounce, Bias */ + { 0x028, 0x01, 0x01, 0x0, 0, 0x02, 0x2F, 0x08, 0x76, 32500, 5 }, + { 0x019, 0x01, 0x01, 0x0, 0, 0x03, 0x4B, 0x0C, 0xBB, 48000, 8 }, + { 0x028, 0x01, 0x01, 0x0, 0, 0x02, 0x2F, 0x08, 0x76, 30000, 5 }, + { 0x028, 0x01, 0x01, 0x0, 0, 0x02, 0x2F, 0x08, 0x76, 65000, 5 }, + { 0x019, 0x02, 0x01, 0x0, 0, 0x05, 0x96, 0x18, 0x177, 96000, 15 }, + { 0x028, 0x04, 0x01, 0x0, 0, 0x04, 0x66, 0x09, 0xFE, 120000, 20 } }; /* UTMIP Idle Wait Delay */ @@ -177,6 +195,10 @@ static struct fdt_usb_controller fdt_usb_controllers[USB_CTRL_COUNT] = { .has_hostpc = 1, .pll_parameter = (const unsigned *)T114_usb_pll, }, + { + .has_hostpc = 1, + .pll_parameter = (const unsigned *)T210_usb_pll, + }, }; /* @@ -458,6 +480,16 @@ static int init_utmi_usb_controller(struct fdt_usb *config, UTMIP_DEBOUNCE_CFG0_MASK, timing[PARAM_DEBOUNCE_A_TIME] << UTMIP_DEBOUNCE_CFG0_SHIFT); + if (timing[PARAM_DEBOUNCE_A_TIME] > 0xFFFF) { + clrsetbits_le32(&usbctlr->utmip_debounce_cfg0, + UTMIP_DEBOUNCE_CFG0_MASK, + (timing[PARAM_DEBOUNCE_A_TIME] >> 1) + << UTMIP_DEBOUNCE_CFG0_SHIFT); + clrsetbits_le32(&usbctlr->utmip_bias_cfg1, + UTMIP_BIAS_DEBOUNCE_TIMESCALE_MASK, + 1 << UTMIP_BIAS_DEBOUNCE_TIMESCALE_SHIFT); + } + setbits_le32(&usbctlr->utmip_tx_cfg0, UTMIP_FS_PREAMBLE_J); /* Disable battery charge enabling bit */ @@ -568,9 +600,18 @@ static int init_ulpi_usb_controller(struct fdt_usb *config, /* reset ULPI phy */ if (dm_gpio_is_valid(&config->phy_reset_gpio)) { - dm_gpio_set_value(&config->phy_reset_gpio, 0); - mdelay(5); + /* + * This GPIO is typically active-low, and marked as such in + * device tree. dm_gpio_set_value() takes this into account + * and inverts the value we pass here if required. In other + * words, this first call logically asserts the reset signal, + * which typically results in driving the physical GPIO low, + * and the second call logically de-asserts the reset signal, + * which typically results in driver the GPIO high. + */ dm_gpio_set_value(&config->phy_reset_gpio, 1); + mdelay(5); + dm_gpio_set_value(&config->phy_reset_gpio, 0); } /* Reset the usb controller */ @@ -643,16 +684,22 @@ static int init_ulpi_usb_controller(struct fdt_usb *config, static void config_clock(const u32 timing[]) { + debug("%s: DIVM = %d, DIVN = %d, DIVP = %d, cpcon/lfcon = %d/%d\n", + __func__, timing[PARAM_DIVM], timing[PARAM_DIVN], + timing[PARAM_DIVP], timing[PARAM_CPCON], timing[PARAM_LFCON]); + clock_start_pll(CLOCK_ID_USB, timing[PARAM_DIVM], timing[PARAM_DIVN], timing[PARAM_DIVP], timing[PARAM_CPCON], timing[PARAM_LFCON]); } -static int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config) +static int fdt_decode_usb(struct udevice *dev, struct fdt_usb *config) { + const void *blob = gd->fdt_blob; + int node = dev->of_offset; const char *phy, *mode; - config->reg = (struct usb_ctlr *)fdtdec_get_addr(blob, node, "reg"); + config->reg = (struct usb_ctlr *)dev_get_addr(dev); mode = fdt_getprop(blob, node, "dr_mode", NULL); if (mode) { if (0 == strcmp(mode, "host")) @@ -776,7 +823,7 @@ static int ehci_usb_ofdata_to_platdata(struct udevice *dev) struct fdt_usb *priv = dev_get_priv(dev); int ret; - ret = fdt_decode_usb(gd->fdt_blob, dev->of_offset, priv); + ret = fdt_decode_usb(dev, priv); if (ret) return ret; @@ -808,21 +855,11 @@ static int ehci_usb_probe(struct udevice *dev) plat->init_type); } -static int ehci_usb_remove(struct udevice *dev) -{ - int ret; - - ret = ehci_deregister(dev); - if (ret) - return ret; - - return 0; -} - static const struct udevice_id ehci_usb_ids[] = { { .compatible = "nvidia,tegra20-ehci", .data = USB_CTLR_T20 }, { .compatible = "nvidia,tegra30-ehci", .data = USB_CTLR_T30 }, { .compatible = "nvidia,tegra114-ehci", .data = USB_CTLR_T114 }, + { .compatible = "nvidia,tegra210-ehci", .data = USB_CTLR_T210 }, { } }; @@ -832,7 +869,7 @@ U_BOOT_DRIVER(usb_ehci) = { .of_match = ehci_usb_ids, .ofdata_to_platdata = ehci_usb_ofdata_to_platdata, .probe = ehci_usb_probe, - .remove = ehci_usb_remove, + .remove = ehci_deregister, .ops = &ehci_usb_ops, .platdata_auto_alloc_size = sizeof(struct usb_platdata), .priv_auto_alloc_size = sizeof(struct fdt_usb),