diff options
| author | Ajay Bhargav <ajay.bhargav@einfochips.com> | 2012-02-13 03:27:43 +0000 |
|---|---|---|
| committer | Marek Vasut <marek.vasut@gmail.com> | 2012-03-19 00:08:26 +0100 |
| commit | 54cb00486eace9c0931d855dfadfcfdcecea78fc (patch) | |
| tree | 83dc3c787959836022c97b7d24254c4c117a4582 | |
| parent | 732c7c2446fb98fb2c3b7879f33080286a2d620d (diff) | |
| download | u-boot-imx-54cb00486eace9c0931d855dfadfcfdcecea78fc.zip u-boot-imx-54cb00486eace9c0931d855dfadfcfdcecea78fc.tar.gz u-boot-imx-54cb00486eace9c0931d855dfadfcfdcecea78fc.tar.bz2 | |
USB: Armada100: EHCI Driver for Armada100 SOCs
This patch adds support for USB EHCI driver for Armada100 SOCs.
Signed-off-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
| -rw-r--r-- | arch/arm/include/asm/arch-armada100/armada100.h | 1 | ||||
| -rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-armada100.c | 64 |
3 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-armada100/armada100.h b/arch/arm/include/asm/arch-armada100/armada100.h index 70fba27..614de55 100644 --- a/arch/arm/include/asm/arch-armada100/armada100.h +++ b/arch/arm/include/asm/arch-armada100/armada100.h @@ -68,6 +68,7 @@ #define ARMD1_SSP5_BASE 0xD4021000 #define ARMD1_UART3_BASE 0xD4026000 #define ARMD1_MPMU_BASE 0xD4050000 +#define ARMD1_USB_HOST_BASE 0xD4209000 #define ARMD1_APMU_BASE 0xD4282800 #define ARMD1_CPU_BASE 0xD4282C00 diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 7c4df53..5fdc97b 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -35,6 +35,7 @@ COBJS-$(CONFIG_USB_SL811HS) += sl811-hcd.o # echi COBJS-$(CONFIG_USB_EHCI) += ehci-hcd.o +COBJS-$(CONFIG_USB_EHCI_ARMADA100) += ehci-armada100.o utmi-armada100.o ifdef CONFIG_MPC512X COBJS-$(CONFIG_USB_EHCI_FSL) += ehci-mpc512x.o else diff --git a/drivers/usb/host/ehci-armada100.c b/drivers/usb/host/ehci-armada100.c new file mode 100644 index 0000000..7725641 --- /dev/null +++ b/drivers/usb/host/ehci-armada100.c @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2012 + * eInfochips Ltd. <www.einfochips.com> + * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com> + * + * This driver is based on Kirkwood echi driver + * (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/armada100.h> +#include <asm/arch/utmi-armada100.h> + +/* + * EHCI host controller init + */ +int ehci_hcd_init(void) +{ + if (utmi_init() < 0) + return -1; + + hccr = (struct ehci_hccr *)(ARMD1_USB_HOST_BASE + 0x100); + hcor = (struct ehci_hcor *)((uint32_t) hccr + + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); + + debug("armada100-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; +} + +/* + * EHCI host controller stop + */ +int ehci_hcd_stop(void) +{ + return 0; +} |