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| author | Benoît Thébaudeau <benoit.thebaudeau@advansee.com> | 2012-11-13 09:58:25 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2012-11-16 09:16:45 +0100 |
| commit | 961a762838d55dc9bae8fa7ea57bc3c51a9c7b57 (patch) | |
| tree | 9919686e21012befaf58be17e27bbd8061ad3a50 | |
| parent | 71a5c55bfa776b29d11b85e80945b89af06e6546 (diff) | |
| download | u-boot-imx-961a762838d55dc9bae8fa7ea57bc3c51a9c7b57.zip u-boot-imx-961a762838d55dc9bae8fa7ea57bc3c51a9c7b57.tar.gz u-boot-imx-961a762838d55dc9bae8fa7ea57bc3c51a9c7b57.tar.bz2 | |
mx35pdk: Add support for OTG
Add support for the OTG port on the mx35pdk Personality board.
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Tested-by: Stefano Babic <sbabic@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Marek Vasut <marex@denx.de>
| -rw-r--r-- | board/freescale/mx35pdk/lowlevel_init.S | 4 | ||||
| -rw-r--r-- | board/freescale/mx35pdk/mx35pdk.c | 21 | ||||
| -rw-r--r-- | include/configs/mx35pdk.h | 14 |
3 files changed, 39 insertions, 0 deletions
diff --git a/board/freescale/mx35pdk/lowlevel_init.S b/board/freescale/mx35pdk/lowlevel_init.S index 75bb958..da8b6f3 100644 --- a/board/freescale/mx35pdk/lowlevel_init.S +++ b/board/freescale/mx35pdk/lowlevel_init.S @@ -94,6 +94,10 @@ orr r1, r1, #0x00000C00 orr r1, r1, #0x00000003 str r1, [r0, #CLKCTL_CGR1] + + ldr r1, [r0, #CLKCTL_CGR2] + orr r1, r1, #0x00C00000 + str r1, [r0, #CLKCTL_CGR2] .endm .macro setup_sdram diff --git a/board/freescale/mx35pdk/mx35pdk.c b/board/freescale/mx35pdk/mx35pdk.c index a12531f..4d8f2f5 100644 --- a/board/freescale/mx35pdk/mx35pdk.c +++ b/board/freescale/mx35pdk/mx35pdk.c @@ -98,6 +98,26 @@ static void setup_iomux_spi(void) mxc_request_iomux(MX35_PIN_CSPI1_SCLK, MUX_CONFIG_SION); } +static void setup_iomux_usbotg(void) +{ + int in_pad, out_pad; + + /* Set up pins for USBOTG. */ + mxc_request_iomux(MX35_PIN_USBOTG_PWR, + MUX_CONFIG_SION | MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_USBOTG_OC, + MUX_CONFIG_SION | MUX_CONFIG_FUNC); + + in_pad = PAD_CTL_DRV_3_3V | PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE | + PAD_CTL_PUE_PUD | PAD_CTL_100K_PD | PAD_CTL_ODE_CMOS | + PAD_CTL_DRV_NORMAL | PAD_CTL_SRE_SLOW; + out_pad = PAD_CTL_DRV_3_3V | PAD_CTL_HYS_CMOS | PAD_CTL_PKE_NONE | + PAD_CTL_ODE_CMOS | PAD_CTL_DRV_NORMAL | PAD_CTL_SRE_SLOW; + + mxc_iomux_set_pad(MX35_PIN_USBOTG_PWR, out_pad); + mxc_iomux_set_pad(MX35_PIN_USBOTG_OC, in_pad); +} + static void setup_iomux_fec(void) { int pad; @@ -189,6 +209,7 @@ int board_early_init_f(void) __raw_writel(readl(&ccm->rcsr) | MXC_CCM_RCSR_NFC_FMS, &ccm->rcsr); setup_iomux_i2c(); + setup_iomux_usbotg(); setup_iomux_fec(); setup_iomux_spi(); diff --git a/include/configs/mx35pdk.h b/include/configs/mx35pdk.h index d89db7a..00171a7 100644 --- a/include/configs/mx35pdk.h +++ b/include/configs/mx35pdk.h @@ -112,6 +112,8 @@ #define CONFIG_NET_RETRY_COUNT 100 #define CONFIG_CMD_DATE +#define CONFIG_CMD_USB +#define CONFIG_USB_STORAGE #define CONFIG_CMD_MMC #define CONFIG_DOS_PARTITION #define CONFIG_EFI_PARTITION @@ -244,6 +246,18 @@ #define CONFIG_MXC_NAND_HWECC #define CONFIG_SYS_NAND_LARGEPAGE +/* EHCI driver */ +#define CONFIG_USB_EHCI +#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1 +#define CONFIG_EHCI_IS_TDI +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET +#define CONFIG_USB_EHCI_MXC +#define CONFIG_MXC_USB_PORT 0 +#define CONFIG_MXC_USB_FLAGS (MXC_EHCI_INTERFACE_DIFF_UNI | \ + MXC_EHCI_POWER_PINS_ENABLED | \ + MXC_EHCI_OC_PIN_ACTIVE_LOW) +#define CONFIG_MXC_USB_PORTSC (MXC_EHCI_UTMI_16BIT | MXC_EHCI_MODE_UTMI) + /* mmc driver */ #define CONFIG_MMC #define CONFIG_GENERIC_MMC |