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+/*
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+ * (C) Copyright 2009
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+ * Marvell Semiconductor <www.marvell.com>
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+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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+ *
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+ * See file CREDITS for list of people who contributed to this
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+ * project.
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation; either version 2 of
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+ * the License, or (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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+ * MA 02110-1301 USA
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+ */
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+
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+#include <common.h>
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+#include <asm/io.h>
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+#include <usb.h>
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+#include "ehci.h"
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+#include "ehci-core.h"
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+#include <asm/arch/kirkwood.h>
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+
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+#define rdl(off) readl(KW_USB20_BASE + (off))
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+#define wrl(off, val) writel((val), KW_USB20_BASE + (off))
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+
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+#define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4))
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+#define USB_WINDOW_BASE(i) (0x324 + ((i) << 4))
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+#define USB_TARGET_DRAM 0x0
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+
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+/*
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+ * USB 2.0 Bridge Address Decoding registers setup
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+ */
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+static void usb_brg_adrdec_setup(void)
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+{
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+ int i;
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+ u32 size, attrib;
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+
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+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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+
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+ /* Enable DRAM bank */
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+ switch (i) {
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+ case 0:
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+ attrib = KWCPU_ATTR_DRAM_CS0;
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+ break;
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+ case 1:
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+ attrib = KWCPU_ATTR_DRAM_CS1;
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+ break;
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+ case 2:
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+ attrib = KWCPU_ATTR_DRAM_CS2;
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+ break;
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+ case 3:
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+ attrib = KWCPU_ATTR_DRAM_CS3;
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+ break;
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+ default:
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+ /* invalide bank, disable access */
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+ attrib = 0;
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+ break;
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+ }
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+
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+ size = kw_sdram_bs(i);
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+ if ((size) && (attrib))
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+ wrl(USB_WINDOW_CTRL(i),
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+ KWCPU_WIN_CTRL_DATA(size, USB_TARGET_DRAM,
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+ attrib, KWCPU_WIN_ENABLE));
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+ else
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+ wrl(USB_WINDOW_CTRL(i), KWCPU_WIN_DISABLE);
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+
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+ wrl(USB_WINDOW_BASE(i), kw_sdram_bar(i));
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+ }
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+}
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+
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+/*
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+ * Create the appropriate control structures to manage
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+ * a new EHCI host controller.
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+ */
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+int ehci_hcd_init(void)
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+{
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+ usb_brg_adrdec_setup();
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+
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+ hccr = (struct ehci_hccr *)(KW_USB20_BASE + 0x100);
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+ hcor = (struct ehci_hcor *)((uint32_t) hccr
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+ + HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
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+
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+ debug("Kirkwood-ehci: init hccr %x and hcor %x hc_length %d\n",
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+ (uint32_t)hccr, (uint32_t)hcor,
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+ (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
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+
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+ return 0;
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+}
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+
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+/*
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+ * Destroy the appropriate control structures corresponding
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+ * the the EHCI host controller.
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+ */
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+int ehci_hcd_stop(void)
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+{
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+ return 0;
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+}
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+
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