Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2025-02-25 03:47:26 +00:00
Code Issues Projects Releases Packages Wiki Activity

cm-t35: add USB host support

Browse source 
Add support for USB host ports on cm-t3530 and cm-t3730.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Nikita Kiryanov 2012-12-02 13:59:19 +02:00 • committed by Marek Vasut
parent 41b13bc7c4
commit 854a7836dc
2 changed files with 84 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

77
board/cm_t35/cm_t35.c
View file

@ -32,6 +32,7 @@
#include <netdev.h>
#include <net.h>
#include <i2c.h>
#include <usb.h>
#include <twl4030.h>
#include <linux/compiler.h>
@ -41,6 +42,8 @@
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-types.h>
#include <asm/ehci-omap.h>
#include <asm/gpio.h>
#include "eeprom.h"
@ -260,6 +263,36 @@ static void cm_t3x_set_common_muxconf(void)
MUX_VAL(CP(HSUSB0_DATA6), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA6*/
MUX_VAL(CP(HSUSB0_DATA7), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA7*/
/* USB EHCI */
MUX_VAL(CP(ETK_D0_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT0*/
MUX_VAL(CP(ETK_D1_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT1*/
MUX_VAL(CP(ETK_D2_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT2*/
MUX_VAL(CP(ETK_D7_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT3*/
MUX_VAL(CP(ETK_D4_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT4*/
MUX_VAL(CP(ETK_D5_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT5*/
MUX_VAL(CP(ETK_D6_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT6*/
MUX_VAL(CP(ETK_D3_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DT7*/
MUX_VAL(CP(ETK_D8_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_DIR*/
MUX_VAL(CP(ETK_D9_ES2), (IEN | PTD | EN | M3)); /*HSUSB1_NXT*/
MUX_VAL(CP(ETK_CTL_ES2), (IDIS | PTD | DIS | M3)); /*HSUSB1_CLK*/
MUX_VAL(CP(ETK_CLK_ES2), (IDIS | PTU | DIS | M3)); /*HSUSB1_STP*/
MUX_VAL(CP(ETK_D14_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DT0*/
MUX_VAL(CP(ETK_D15_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DT1*/
MUX_VAL(CP(MCSPI1_CS3), (IEN | PTD | EN | M3)); /*HSUSB2_DT2*/
MUX_VAL(CP(MCSPI2_CS1), (IEN | PTD | EN | M3)); /*HSUSB2_DT3*/
MUX_VAL(CP(MCSPI2_SIMO), (IEN | PTD | EN | M3)); /*HSUSB2_DT4*/
MUX_VAL(CP(MCSPI2_SOMI), (IEN | PTD | EN | M3)); /*HSUSB2_DT5*/
MUX_VAL(CP(MCSPI2_CS0), (IEN | PTD | EN | M3)); /*HSUSB2_DT6*/
MUX_VAL(CP(MCSPI2_CLK), (IEN | PTD | EN | M3)); /*HSUSB2_DT7*/
MUX_VAL(CP(ETK_D12_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_DIR*/
MUX_VAL(CP(ETK_D13_ES2), (IEN | PTD | EN | M3)); /*HSUSB2_NXT*/
MUX_VAL(CP(ETK_D10_ES2), (IDIS | PTD | DIS | M3)); /*HSUSB2_CLK*/
MUX_VAL(CP(ETK_D11_ES2), (IDIS | PTU | DIS | M3)); /*HSUSB2_STP*/
/* SB_T35_USB_HUB_RESET_GPIO */
MUX_VAL(CP(CAM_WEN), (IDIS | PTD | DIS | M4)); /*GPIO_167*/
/* I2C1 */
MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)); /*I2C1_SCL*/
MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)); /*I2C1_SDA*/
@ -461,3 +494,47 @@ void __weak get_board_serial(struct tag_serialnr *serialnr)
serialnr->low = 0;
serialnr->high = 0;
};
#ifdef CONFIG_USB_EHCI_OMAP
struct omap_usbhs_board_data usbhs_bdata = {
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
};
#define SB_T35_USB_HUB_RESET_GPIO 167
int ehci_hcd_init(void)
{
u8 val;
int offset;
if (gpio_request(SB_T35_USB_HUB_RESET_GPIO, "SB-T35 usb hub reset")) {
printf("Error: can't obtain GPIO %d for SB-T35 usb hub reset",
SB_T35_USB_HUB_RESET_GPIO);
return -1;
}
gpio_direction_output(SB_T35_USB_HUB_RESET_GPIO, 0);
udelay(10);
gpio_set_value(SB_T35_USB_HUB_RESET_GPIO, 1);
udelay(1000);
offset = TWL4030_BASEADD_GPIO + TWL4030_GPIO_GPIODATADIR1;
twl4030_i2c_read_u8(TWL4030_CHIP_GPIO, &val, offset);
/* Set GPIO6 and GPIO7 of TPS65930 as output */
val |= 0xC0;
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, val, offset);
offset = TWL4030_BASEADD_GPIO + TWL4030_GPIO_SETGPIODATAOUT1;
/* Take both PHYs out of reset */
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0xC0, offset);
udelay(1);
return omap_ehci_hcd_init(&usbhs_bdata);
}
int ehci_hcd_stop(void)
{
return omap_ehci_hcd_stop();
}
#endif /* CONFIG_USB_EHCI_OMAP */

8
include/configs/cm_t35.h
View file

@ -114,9 +114,15 @@
#define CONFIG_DOS_PARTITION
/* USB */
#define CONFIG_MUSB_UDC
#define CONFIG_USB_OMAP3
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_OMAP
#define CONFIG_USB_ULPI
#define CONFIG_USB_ULPI_VIEWPORT_OMAP
#define CONFIG_USB_STORAGE
#define CONFIG_MUSB_UDC
#define CONFIG_TWL4030_USB
#define CONFIG_CMD_USB
/* USB device configuration */
#define CONFIG_USB_DEVICE