MIPS: MSP71xx: Platform support for MSP on-chip USB controller.
Signed-off-by: Anoop P A <anoop.pa@gmail.com> To: linux-mips@linux-mips.org To: linux-kernel@vger.kernel.org Cc: Anoop P A <anoop.pa@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/2043/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Anoop P A
Ralf Baechle
parent
088f3876fc
commit
5027070b3c
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@ -91,12 +91,10 @@
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/* MAC C device registers */
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#define MSP_ADSL2_BASE (MSP_MSB_BASE + 0xA80000)
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/* ADSL2 device registers */
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#define MSP_USB_BASE (MSP_MSB_BASE + 0xB40000)
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/* USB device registers */
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#define MSP_USB_BASE_START (MSP_MSB_BASE + 0xB40100)
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/* USB device registers */
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#define MSP_USB_BASE_END (MSP_MSB_BASE + 0xB401FF)
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/* USB device registers */
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#define MSP_USB0_BASE (MSP_MSB_BASE + 0xB00000)
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/* USB0 device registers */
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#define MSP_USB1_BASE (MSP_MSB_BASE + 0x300000)
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/* USB1 device registers */
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#define MSP_CPUIF_BASE (MSP_MSB_BASE + 0xC00000)
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/* CPU interface registers */
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@ -319,8 +317,11 @@
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#define CPU_ERR2_REG regptr(MSP_SLP_BASE + 0x184)
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/* CPU/SLP Error status 1 */
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#define EXTENDED_GPIO_REG regptr(MSP_SLP_BASE + 0x188)
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/* Extended GPIO register */
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/* Extended GPIO registers */
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#define EXTENDED_GPIO1_REG regptr(MSP_SLP_BASE + 0x188)
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#define EXTENDED_GPIO2_REG regptr(MSP_SLP_BASE + 0x18c)
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#define EXTENDED_GPIO_REG EXTENDED_GPIO1_REG
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/* Backward-compatibility */
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/* System Error registers */
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#define SLP_ERR_STS_REG regptr(MSP_SLP_BASE + 0x190)
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@ -0,0 +1,144 @@
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/******************************************************************
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* Copyright (c) 2000-2007 PMC-Sierra INC.
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
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* 02139, USA.
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*
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* PMC-SIERRA INC. DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS
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* SOFTWARE.
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*/
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#ifndef MSP_USB_H_
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#define MSP_USB_H_
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#ifdef CONFIG_MSP_HAS_DUAL_USB
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#define NUM_USB_DEVS 2
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#else
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#define NUM_USB_DEVS 1
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#endif
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/* Register spaces for USB host 0 */
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#define MSP_USB0_MAB_START (MSP_USB0_BASE + 0x0)
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#define MSP_USB0_MAB_END (MSP_USB0_BASE + 0x17)
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#define MSP_USB0_ID_START (MSP_USB0_BASE + 0x40000)
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#define MSP_USB0_ID_END (MSP_USB0_BASE + 0x4008f)
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#define MSP_USB0_HS_START (MSP_USB0_BASE + 0x40100)
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#define MSP_USB0_HS_END (MSP_USB0_BASE + 0x401FF)
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/* Register spaces for USB host 1 */
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#define MSP_USB1_MAB_START (MSP_USB1_BASE + 0x0)
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#define MSP_USB1_MAB_END (MSP_USB1_BASE + 0x17)
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#define MSP_USB1_ID_START (MSP_USB1_BASE + 0x40000)
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#define MSP_USB1_ID_END (MSP_USB1_BASE + 0x4008f)
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#define MSP_USB1_HS_START (MSP_USB1_BASE + 0x40100)
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#define MSP_USB1_HS_END (MSP_USB1_BASE + 0x401ff)
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/* USB Identification registers */
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struct msp_usbid_regs {
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u32 id; /* 0x0: Identification register */
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u32 hwgen; /* 0x4: General HW params */
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u32 hwhost; /* 0x8: Host HW params */
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u32 hwdev; /* 0xc: Device HW params */
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u32 hwtxbuf; /* 0x10: Tx buffer HW params */
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u32 hwrxbuf; /* 0x14: Rx buffer HW params */
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u32 reserved[26];
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u32 timer0_load; /* 0x80: General-purpose timer 0 load*/
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u32 timer0_ctrl; /* 0x84: General-purpose timer 0 control */
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u32 timer1_load; /* 0x88: General-purpose timer 1 load*/
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u32 timer1_ctrl; /* 0x8c: General-purpose timer 1 control */
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};
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/* MSBus to AMBA registers */
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struct msp_mab_regs {
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u32 isr; /* 0x0: Interrupt status */
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u32 imr; /* 0x4: Interrupt mask */
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u32 thcr0; /* 0x8: Transaction header capture 0 */
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u32 thcr1; /* 0xc: Transaction header capture 1 */
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u32 int_stat; /* 0x10: Interrupt status summary */
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u32 phy_cfg; /* 0x14: USB phy config */
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};
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/* EHCI registers */
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struct msp_usbhs_regs {
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u32 hciver; /* 0x0: Version and offset to operational regs */
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u32 hcsparams; /* 0x4: Host control structural parameters */
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u32 hccparams; /* 0x8: Host control capability parameters */
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u32 reserved0[5];
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u32 dciver; /* 0x20: Device interface version */
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u32 dccparams; /* 0x24: Device control capability parameters */
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u32 reserved1[6];
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u32 cmd; /* 0x40: USB command */
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u32 sts; /* 0x44: USB status */
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u32 int_ena; /* 0x48: USB interrupt enable */
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u32 frindex; /* 0x4c: Frame index */
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u32 reserved3;
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union {
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struct {
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u32 flb_addr; /* 0x54: Frame list base address */
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u32 next_async_addr; /* 0x58: next asynchronous addr */
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u32 ttctrl; /* 0x5c: embedded transaction translator
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async buffer status */
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u32 burst_size; /* 0x60: Controller burst size */
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u32 tx_fifo_ctrl; /* 0x64: Tx latency FIFO tuning */
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u32 reserved0[4];
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u32 endpt_nak; /* 0x78: Endpoint NAK */
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u32 endpt_nak_ena; /* 0x7c: Endpoint NAK enable */
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u32 cfg_flag; /* 0x80: Config flag */
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u32 port_sc1; /* 0x84: Port status & control 1 */
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u32 reserved1[7];
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u32 otgsc; /* 0xa4: OTG status & control */
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u32 mode; /* 0xa8: USB controller mode */
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} host;
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struct {
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u32 dev_addr; /* 0x54: Device address */
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u32 endpt_list_addr; /* 0x58: Endpoint list address */
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u32 reserved0[7];
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u32 endpt_nak; /* 0x74 */
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u32 endpt_nak_ctrl; /* 0x78 */
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u32 cfg_flag; /* 0x80 */
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u32 port_sc1; /* 0x84: Port status & control 1 */
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u32 reserved[7];
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u32 otgsc; /* 0xa4: OTG status & control */
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u32 mode; /* 0xa8: USB controller mode */
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u32 endpt_setup_stat; /* 0xac */
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u32 endpt_prime; /* 0xb0 */
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u32 endpt_flush; /* 0xb4 */
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u32 endpt_stat; /* 0xb8 */
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u32 endpt_complete; /* 0xbc */
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u32 endpt_ctrl0; /* 0xc0 */
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u32 endpt_ctrl1; /* 0xc4 */
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u32 endpt_ctrl2; /* 0xc8 */
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u32 endpt_ctrl3; /* 0xcc */
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} device;
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} u;
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};
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/*
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* Container for the more-generic platform_device.
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* This exists mainly as a way to map the non-standard register
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* spaces and make them accessible to the USB ISR.
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*/
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struct mspusb_device {
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struct msp_mab_regs __iomem *mab_regs;
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struct msp_usbid_regs __iomem *usbid_regs;
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struct msp_usbhs_regs __iomem *usbhs_regs;
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struct platform_device dev;
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};
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#define to_mspusb_device(x) container_of((x), struct mspusb_device, dev)
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#define TO_HOST_ID(x) ((x) & 0x3)
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#endif /*MSP_USB_H_*/
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@ -23,6 +23,7 @@ config PMC_MSP7120_GW
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select SYS_SUPPORTS_MULTITHREADING
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select IRQ_MSP_CIC
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select HW_HAS_PCI
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select MSP_HAS_USB
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config PMC_MSP7120_FPGA
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bool "PMC-Sierra MSP7120 FPGA"
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@ -35,3 +36,7 @@ endchoice
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config HYPERTRANSPORT
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bool "Hypertransport Support for PMC-Sierra Yosemite"
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depends on PMC_YOSEMITE
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config MSP_HAS_USB
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boolean
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depends on PMC_MSP
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@ -9,6 +9,6 @@ obj-$(CONFIG_IRQ_MSP_SLP) += msp_irq_slp.o
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obj-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o msp_irq_per.o
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obj-$(CONFIG_PCI) += msp_pci.o
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obj-$(CONFIG_MSPETH) += msp_eth.o
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obj-$(CONFIG_USB_MSP71XX) += msp_usb.o
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obj-$(CONFIG_MSP_HAS_USB) += msp_usb.o
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obj-$(CONFIG_MIPS_MT_SMP) += msp_smp.o
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obj-$(CONFIG_MIPS_MT_SMTC) += msp_smtc.o
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@ -1,7 +1,7 @@
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/*
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* The setup file for USB related hardware on PMC-Sierra MSP processors.
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*
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* Copyright 2006-2007 PMC-Sierra, Inc.
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* Copyright 2006 PMC-Sierra, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@ -23,8 +23,8 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
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#include <linux/dma-mapping.h>
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#include <linux/init.h>
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#include <linux/ioport.h>
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#include <linux/platform_device.h>
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@ -34,12 +34,14 @@
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#include <msp_regs.h>
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#include <msp_int.h>
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#include <msp_prom.h>
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#include <msp_usb.h>
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#if defined(CONFIG_USB_EHCI_HCD)
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static struct resource msp_usbhost_resources [] = {
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[0] = {
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.start = MSP_USB_BASE_START,
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.end = MSP_USB_BASE_END,
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static struct resource msp_usbhost0_resources[] = {
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[0] = { /* EHCI-HS operational and capabilities registers */
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.start = MSP_USB0_HS_START,
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.end = MSP_USB0_HS_END,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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@ -47,27 +49,41 @@ static struct resource msp_usbhost_resources [] = {
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.end = MSP_INT_USB,
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.flags = IORESOURCE_IRQ,
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},
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[2] = { /* MSBus-to-AMBA bridge register space */
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.start = MSP_USB0_MAB_START,
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.end = MSP_USB0_MAB_END,
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.flags = IORESOURCE_MEM,
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},
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[3] = { /* Identification and general hardware parameters */
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.start = MSP_USB0_ID_START,
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.end = MSP_USB0_ID_END,
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.flags = IORESOURCE_MEM,
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},
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};
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static u64 msp_usbhost_dma_mask = DMA_BIT_MASK(32);
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static u64 msp_usbhost0_dma_mask = 0xffffffffUL;
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static struct platform_device msp_usbhost_device = {
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static struct mspusb_device msp_usbhost0_device = {
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.dev = {
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.name = "pmcmsp-ehci",
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.id = 0,
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.dev = {
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.dma_mask = &msp_usbhost_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.dma_mask = &msp_usbhost0_dma_mask,
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.coherent_dma_mask = 0xffffffffUL,
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},
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.num_resources = ARRAY_SIZE(msp_usbhost0_resources),
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.resource = msp_usbhost0_resources,
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},
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.num_resources = ARRAY_SIZE(msp_usbhost_resources),
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.resource = msp_usbhost_resources,
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};
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#endif /* CONFIG_USB_EHCI_HCD */
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#if defined(CONFIG_USB_GADGET)
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static struct resource msp_usbdev_resources [] = {
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[0] = {
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.start = MSP_USB_BASE,
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.end = MSP_USB_BASE_END,
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/* MSP7140/MSP82XX has two USB2 hosts. */
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#ifdef CONFIG_MSP_HAS_DUAL_USB
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static u64 msp_usbhost1_dma_mask = 0xffffffffUL;
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static struct resource msp_usbhost1_resources[] = {
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[0] = { /* EHCI-HS operational and capabilities registers */
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.start = MSP_USB1_HS_START,
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.end = MSP_USB1_HS_END,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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@ -75,76 +91,173 @@ static struct resource msp_usbdev_resources [] = {
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.end = MSP_INT_USB,
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.flags = IORESOURCE_IRQ,
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},
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[2] = { /* MSBus-to-AMBA bridge register space */
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.start = MSP_USB1_MAB_START,
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.end = MSP_USB1_MAB_END,
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.flags = IORESOURCE_MEM,
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},
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[3] = { /* Identification and general hardware parameters */
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.start = MSP_USB1_ID_START,
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.end = MSP_USB1_ID_END,
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.flags = IORESOURCE_MEM,
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},
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};
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static u64 msp_usbdev_dma_mask = DMA_BIT_MASK(32);
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static struct mspusb_device msp_usbhost1_device = {
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.dev = {
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.name = "pmcmsp-ehci",
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.id = 1,
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.dev = {
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.dma_mask = &msp_usbhost1_dma_mask,
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.coherent_dma_mask = 0xffffffffUL,
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},
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.num_resources = ARRAY_SIZE(msp_usbhost1_resources),
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.resource = msp_usbhost1_resources,
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},
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};
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#endif /* CONFIG_MSP_HAS_DUAL_USB */
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#endif /* CONFIG_USB_EHCI_HCD */
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static struct platform_device msp_usbdev_device = {
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#if defined(CONFIG_USB_GADGET)
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static struct resource msp_usbdev0_resources[] = {
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[0] = { /* EHCI-HS operational and capabilities registers */
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.start = MSP_USB0_HS_START,
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.end = MSP_USB0_HS_END,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = MSP_INT_USB,
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.end = MSP_INT_USB,
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.flags = IORESOURCE_IRQ,
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},
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[2] = { /* MSBus-to-AMBA bridge register space */
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.start = MSP_USB0_MAB_START,
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.end = MSP_USB0_MAB_END,
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.flags = IORESOURCE_MEM,
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},
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[3] = { /* Identification and general hardware parameters */
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.start = MSP_USB0_ID_START,
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.end = MSP_USB0_ID_END,
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.flags = IORESOURCE_MEM,
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},
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};
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static u64 msp_usbdev_dma_mask = 0xffffffffUL;
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/* This may need to be converted to a mspusb_device, too. */
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static struct mspusb_device msp_usbdev0_device = {
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.dev = {
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.name = "msp71xx_udc",
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.id = 0,
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.dev = {
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.dma_mask = &msp_usbdev_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.coherent_dma_mask = 0xffffffffUL,
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},
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.num_resources = ARRAY_SIZE(msp_usbdev0_resources),
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.resource = msp_usbdev0_resources,
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},
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.num_resources = ARRAY_SIZE(msp_usbdev_resources),
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.resource = msp_usbdev_resources,
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};
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#ifdef CONFIG_MSP_HAS_DUAL_USB
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static struct resource msp_usbdev1_resources[] = {
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[0] = { /* EHCI-HS operational and capabilities registers */
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.start = MSP_USB1_HS_START,
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.end = MSP_USB1_HS_END,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = MSP_INT_USB,
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.end = MSP_INT_USB,
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.flags = IORESOURCE_IRQ,
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},
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[2] = { /* MSBus-to-AMBA bridge register space */
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.start = MSP_USB1_MAB_START,
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.end = MSP_USB1_MAB_END,
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.flags = IORESOURCE_MEM,
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},
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[3] = { /* Identification and general hardware parameters */
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.start = MSP_USB1_ID_START,
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.end = MSP_USB1_ID_END,
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.flags = IORESOURCE_MEM,
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},
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};
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/* This may need to be converted to a mspusb_device, too. */
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static struct mspusb_device msp_usbdev1_device = {
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.dev = {
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.name = "msp71xx_udc",
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.id = 0,
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.dev = {
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.dma_mask = &msp_usbdev_dma_mask,
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.coherent_dma_mask = 0xffffffffUL,
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},
|
||||
.num_resources = ARRAY_SIZE(msp_usbdev1_resources),
|
||||
.resource = msp_usbdev1_resources,
|
||||
},
|
||||
};
|
||||
|
||||
#endif /* CONFIG_MSP_HAS_DUAL_USB */
|
||||
#endif /* CONFIG_USB_GADGET */
|
||||
|
||||
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
|
||||
static struct platform_device *msp_devs[1];
|
||||
#endif
|
||||
|
||||
|
||||
static int __init msp_usb_setup(void)
|
||||
{
|
||||
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
|
||||
char *strp;
|
||||
char envstr[32];
|
||||
unsigned int val = 0;
|
||||
int result = 0;
|
||||
struct platform_device *msp_devs[NUM_USB_DEVS];
|
||||
unsigned int val;
|
||||
|
||||
/* construct environment name usbmode */
|
||||
/* set usbmode <host/device> as pmon environment var */
|
||||
/*
|
||||
* construct environment name usbmode
|
||||
* set usbmode <host/device> as pmon environment var
|
||||
* Could this perhaps be integrated into the "features" env var?
|
||||
* Use the features key "U", and follow with "H" for host-mode,
|
||||
* "D" for device-mode. If it works for Ethernet, why not USB...
|
||||
* -- hammtrev, 2007/03/22
|
||||
*/
|
||||
snprintf((char *)&envstr[0], sizeof(envstr), "usbmode");
|
||||
|
||||
#if defined(CONFIG_USB_EHCI_HCD)
|
||||
/* default to host mode */
|
||||
/* set default host mode */
|
||||
val = 1;
|
||||
#endif
|
||||
|
||||
/* get environment string */
|
||||
strp = prom_getenv((char *)&envstr[0]);
|
||||
if (strp) {
|
||||
/* compare string */
|
||||
if (!strcmp(strp, "device"))
|
||||
val = 0;
|
||||
}
|
||||
|
||||
if (val) {
|
||||
#if defined(CONFIG_USB_EHCI_HCD)
|
||||
/* get host mode device */
|
||||
msp_devs[0] = &msp_usbhost_device;
|
||||
ppfinit("platform add USB HOST done %s.\n",
|
||||
msp_devs[0]->name);
|
||||
|
||||
result = platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
|
||||
msp_devs[0] = &msp_usbhost0_device.dev;
|
||||
ppfinit("platform add USB HOST done %s.\n", msp_devs[0]->name);
|
||||
#ifdef CONFIG_MSP_HAS_DUAL_USB
|
||||
msp_devs[1] = &msp_usbhost1_device.dev;
|
||||
ppfinit("platform add USB HOST done %s.\n", msp_devs[1]->name);
|
||||
#endif
|
||||
#else
|
||||
ppfinit("%s: echi_hcd not supported\n", __FILE__);
|
||||
#endif /* CONFIG_USB_EHCI_HCD */
|
||||
}
|
||||
} else {
|
||||
#if defined(CONFIG_USB_GADGET)
|
||||
else {
|
||||
/* get device mode structure */
|
||||
msp_devs[0] = &msp_usbdev_device;
|
||||
ppfinit("platform add USB DEVICE done %s.\n",
|
||||
msp_devs[0]->name);
|
||||
|
||||
result = platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
|
||||
}
|
||||
msp_devs[0] = &msp_usbdev0_device.dev;
|
||||
ppfinit("platform add USB DEVICE done %s.\n"
|
||||
, msp_devs[0]->name);
|
||||
#ifdef CONFIG_MSP_HAS_DUAL_USB
|
||||
msp_devs[1] = &msp_usbdev1_device.dev;
|
||||
ppfinit("platform add USB DEVICE done %s.\n"
|
||||
, msp_devs[1]->name);
|
||||
#endif
|
||||
#else
|
||||
ppfinit("%s: usb_gadget not supported\n", __FILE__);
|
||||
#endif /* CONFIG_USB_GADGET */
|
||||
#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */
|
||||
}
|
||||
/* add device */
|
||||
platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
|
||||
|
||||
return result;
|
||||
return 0;
|
||||
}
|
||||
|
||||
subsys_initcall(msp_usb_setup);
|
||||
#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */
|
||||
|
|
|
|||
Loading…
Reference in New Issue