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[platform][stellaris] start of usb driver for stellaris

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This commit is contained in:
Travis Geiselbrecht
2013-09-09 15:01:34 -07:00
parent 65c9778d90
commit e3774f7108
7 changed files with 364 additions and 2 deletions
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4
target/stellaris-launchpad/init.c
View File

@@ -29,6 +29,8 @@
#include "ti_driverlib.h"
extern void target_usb_setup(void);
void target_early_init(void)
{
GPIOPinWrite(GPIO_PORTF_AHB_BASE, GPIO_PIN_1, 0);
@@ -45,6 +47,7 @@ void target_early_init(void)
void target_init(void)
{
target_usb_setup();
}
void target_set_debug_led(unsigned int led, bool on)
@@ -56,3 +59,4 @@ void target_set_debug_led(unsigned int led, bool on)
}
}
// vim: set ts=4 sw=4 noexpandtab:

3
target/stellaris-launchpad/rules.mk
View File

@@ -11,6 +11,7 @@ GLOBAL_DEFINES += \
GLOBAL_INCLUDES += $(LOCAL_DIR)/include
MODULE_SRCS += \
$(LOCAL_DIR)/init.c
$(LOCAL_DIR)/init.c \
$(LOCAL_DIR)/usb.c \
include make/module.mk

99
target/stellaris-launchpad/usb.c Normal file
View File

@@ -0,0 +1,99 @@
/*
* Copyright (c) 2013 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <err.h>
#include <debug.h>
#include <target.h>
#include <compiler.h>
#include <dev/usb.h>
#include <lk/init.h>
#define W(w) (w & 0xff), (w >> 8)
#define W3(w) (w & 0xff), ((w >> 8) & 0xff), ((w >> 16) & 0xff)
/* top level device descriptor */
static uint8_t dev_descr[] = {
0x12, /* descriptor length */
0x01, /* Device Descriptor type */
W(0x0200), /* USB Version */
0x00, /* class */
0x00, /* subclass */
0x00, /* protocol */
64, /* max packet size, ept0 */
W(0x9999), /* vendor */
W(0x9999), /* product */
W(0x9999), /* release */
0x0, /* manufacturer string */
0x0, /* product string */
0x0, /* serialno string */
0x1, /* num configs */
};
/* high/low speed device qualifier */
static uint8_t devqual_descr[] = {
0x0a, /* len */
0x06, /* Device Qualifier type */
W(0x0200), /* USB version */
0x00, /* class */
0x00, /* subclass */
0x00, /* protocol */
0x40, /* max packet size, ept0 */
0x01, /* num configs */
0x00 /* reserved */
};
static uint8_t cfg_descr[] = {
0x09, /* Length of Cfg Descr */
0x02, /* Type of Cfg Descr */
W(0x09), /* Total Length (incl ifc, ept) */
0x00, /* # Interfaces */
0x01, /* Cfg Value */
0x00, /* Cfg String */
0xc0, /* Attributes -- self powered */
250, /* Power Consumption - 500mA */
};
static uchar langid[] = { 0x04, 0x03, 0x09, 0x04 };
usb_config config = {
.lowspeed = {
.device = USB_DESC_STATIC(dev_descr),
.device_qual = USB_DESC_STATIC(devqual_descr),
.config = USB_DESC_STATIC(cfg_descr),
},
.highspeed = {
.device = USB_DESC_STATIC(dev_descr),
.device_qual = USB_DESC_STATIC(devqual_descr),
.config = USB_DESC_STATIC(cfg_descr),
},
.langid = USB_DESC_STATIC(langid),
};
void target_usb_setup(void)
{
usb_setup(&config);
usb_start();
}
// vim: set ts=4 sw=4 noexpandtab: