/* * Copyright (C) 2014 Marvell * Author: Gregory CLEMENT * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. */ #include #include #include #include #include #include #include "xhci-mvebu.h" #define USB3_MAX_WINDOWS 4 #define USB3_WIN_CTRL(w) (0x0 + ((w) * 8)) #define USB3_WIN_BASE(w) (0x4 + ((w) * 8)) static void xhci_mvebu_mbus_config(void __iomem *base, const struct mbus_dram_target_info *dram) { int win; /* Clear all existing windows */ for (win = 0; win < USB3_MAX_WINDOWS; win++) { writel(0, base + USB3_WIN_CTRL(win)); writel(0, base + USB3_WIN_BASE(win)); } /* Program each DRAM CS in a seperate window */ for (win = 0; win < dram->num_cs; win++) { const struct mbus_dram_window *cs = dram->cs + win; writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) | (dram->mbus_dram_target_id << 4) | 1, base + USB3_WIN_CTRL(win)); writel((cs->base & 0xffff0000), base + USB3_WIN_BASE(win)); } } int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd) { struct device *dev = hcd->self.controller; struct platform_device *pdev = to_platform_device(dev); struct resource *res; void __iomem *base; const struct mbus_dram_target_info *dram; res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!res) return -ENODEV; /* * We don't use devm_ioremap() because this mapping should * only exists for the duration of this probe function. */ base = ioremap(res->start, resource_size(res)); if (!base) return -ENODEV; dram = mv_mbus_dram_info(); xhci_mvebu_mbus_config(base, dram); /* * This memory area was only needed to configure the MBus * windows, and is therefore no longer useful. */ iounmap(base); return 0; } 'active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/mon/Kconfig?h=nds-private-remove&id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>commitdiff
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authorKalle Valo <kvalo@codeaurora.org>2017-01-27 14:19:25 +0200
committerKalle Valo <kvalo@codeaurora.org>2017-01-28 09:15:50 +0200
commit2b1d530cb3157f828fcaadd259613f59db3c6d1c (patch)
treefb5dfe8f2e6956f54377c7275f330cd158ead259 /drivers/usb/mon/Kconfig
parentbd19b5ab1da654de456e102250822ec06311d6ad (diff)
MAINTAINERS: ath9k-devel is closed
ath9k-devel list is now closed, only linux-wireless should be used. Reported-by: Michael Renzmann <mrenzmann@madwifi-project.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/usb/mon/Kconfig')