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author | Albert ARIBAUD <[albert.u.boot@aribaud.net]> | 2012-02-06 20:39:29 +0530 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-02-12 10:11:27 +0100 |
commit | a14bd41738de0b88c1b0f212a5571b6591d7f7bc (patch) | |
tree | 59a726915fd7173df9e8a1dd662d428e9d5c88e0 /drivers/usb/host/ehci-marvell.c | |
parent | a203a7c86cf0a268e8ae18489ff812d85fcddb9e (diff) | |
download | u-boot-imx-a14bd41738de0b88c1b0f212a5571b6591d7f7bc.zip u-boot-imx-a14bd41738de0b88c1b0f212a5571b6591d7f7bc.tar.gz u-boot-imx-a14bd41738de0b88c1b0f212a5571b6591d7f7bc.tar.bz2 |
Rename ehci-kirkwood as ehci-marvell
Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
Diffstat (limited to 'drivers/usb/host/ehci-marvell.c')
-rw-r--r-- | drivers/usb/host/ehci-marvell.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-marvell.c b/drivers/usb/host/ehci-marvell.c new file mode 100644 index 0000000..6300587 --- /dev/null +++ b/drivers/usb/host/ehci-marvell.c @@ -0,0 +1,108 @@ +/* + * (C) Copyright 2009 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <usb.h> +#include "ehci.h" +#include "ehci-core.h" +#include <asm/arch/cpu.h> +#include <asm/arch/kirkwood.h> + +#define rdl(off) readl(KW_USB20_BASE + (off)) +#define wrl(off, val) writel((val), KW_USB20_BASE + (off)) + +#define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4)) +#define USB_WINDOW_BASE(i) (0x324 + ((i) << 4)) +#define USB_TARGET_DRAM 0x0 + +/* + * USB 2.0 Bridge Address Decoding registers setup + */ +static void usb_brg_adrdec_setup(void) +{ + int i; + u32 size, attrib; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + + /* Enable DRAM bank */ + switch (i) { + case 0: + attrib = KWCPU_ATTR_DRAM_CS0; + break; + case 1: + attrib = KWCPU_ATTR_DRAM_CS1; + break; + case 2: + attrib = KWCPU_ATTR_DRAM_CS2; + break; + case 3: + attrib = KWCPU_ATTR_DRAM_CS3; + break; + default: + /* invalide bank, disable access */ + attrib = 0; + break; + } + + size = kw_sdram_bs(i); + if ((size) && (attrib)) + wrl(USB_WINDOW_CTRL(i), + KWCPU_WIN_CTRL_DATA(size, USB_TARGET_DRAM, + attrib, KWCPU_WIN_ENABLE)); + else + wrl(USB_WINDOW_CTRL(i), KWCPU_WIN_DISABLE); + + wrl(USB_WINDOW_BASE(i), kw_sdram_bar(i)); + } +} + +/* + * Create the appropriate control structures to manage + * a new EHCI host controller. + */ +int ehci_hcd_init(void) +{ + usb_brg_adrdec_setup(); + + hccr = (struct ehci_hccr *)(KW_USB20_BASE + 0x100); + hcor = (struct ehci_hcor *)((uint32_t) hccr + + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); + + debug("Kirkwood-ehci: init hccr %x and hcor %x hc_length %d\n", + (uint32_t)hccr, (uint32_t)hcor, + (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase))); + + return 0; +} + +/* + * Destroy the appropriate control structures corresponding + * the the EHCI host controller. + */ +int ehci_hcd_stop(void) +{ + return 0; +} |