[U-Boot] [UBOOT RFC PATCH 10/13] board: ti: DRA7: added USB initializtion code

[Felipe Balbi <balbi@ti.com>]

On Tue, Aug 19, 2014 at 09:43:48PM +0530, Kishon Vijay Abraham I wrote:
> Hi Felipe,
> 
> On Monday 18 August 2014 08:10 PM, Felipe Balbi wrote:
> > On Mon, Aug 18, 2014 at 07:58:32PM +0530, Kishon Vijay Abraham I wrote:
> >> Implemented board_usb_init(), board_usb_cleanup() and
> >> board_usb_gadget_handle_interrupts() in dra7xx board file that
> >> can be invoked by various gadget drivers.
> >>
> >> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> >> ---
> >>  arch/arm/include/asm/arch-omap5/omap.h |  12 ++++
> >>  board/ti/dra7xx/evm.c                  | 106 +++++++++++++++++++++++++++++++++
> >>  2 files changed, 118 insertions(+)
> >>
> >> diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
> >> index b9600cf..a2348a2 100644
> >> --- a/arch/arm/include/asm/arch-omap5/omap.h
> >> +++ b/arch/arm/include/asm/arch-omap5/omap.h
> >> @@ -33,6 +33,18 @@
> >>  #define CONTROL_ID_CODE		CONTROL_CORE_ID_CODE
> >>  #endif
> >>  
> >> +#ifdef CONFIG_DRA7XX
> >> +#define DRA7_USB_OTG_SS1_BASE		0x48890000
> >> +#define DRA7_USB_OTG_SS1_GLUE_BASE	0x48880000
> >> +#define DRA7_USB3_PHY1_PLL_CTRL		0x4A084C00
> >> +#define DRA7_USB3_PHY1_POWER		0x4A002370
> >> +#define DRA7_USB2_PHY1_POWER		0x4A002300
> >> +
> >> +#define DRA7_USB_OTG_SS2_BASE		0x488D0000
> >> +#define DRA7_USB_OTG_SS2_GLUE_BASE	0x488C0000
> >> +#define DRA7_USB2_PHY2_POWER		0x4A002E74
> >> +#endif
> >> +
> >>  /* To be verified */
> >>  #define OMAP5430_CONTROL_ID_CODE_ES1_0		0x0B94202F
> >>  #define OMAP5430_CONTROL_ID_CODE_ES2_0          0x1B94202F
> >> diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
> >> index 073d151..0d1b93f 100644
> >> --- a/board/ti/dra7xx/evm.c
> >> +++ b/board/ti/dra7xx/evm.c
> >> @@ -13,10 +13,14 @@
> >>  #include <common.h>
> >>  #include <palmas.h>
> >>  #include <sata.h>
> >> +#include <usb.h>
> >>  #include <asm/arch/sys_proto.h>
> >>  #include <asm/arch/mmc_host_def.h>
> >>  #include <asm/arch/sata.h>
> >>  #include <environment.h>
> >> +#include <dwc3-uboot.h>
> >> +#include <dwc3-omap-uboot.h>
> >> +#include <ti-usb-phy-uboot.h>
> >>  
> >>  #include "mux_data.h"
> >>  
> >> @@ -125,6 +129,108 @@ int board_mmc_init(bd_t *bis)
> >>  }
> >>  #endif
> >>  
> >> +static struct dwc3_device usb_otg_ss1 = {
> >> +	.maximum_speed = USB_SPEED_SUPER,
> >> +	.base = DRA7_USB_OTG_SS1_BASE,
> >> +	.needs_fifo_resize = true,
> > 
> > make sure this is *really* needed. The only SoC which has needed this
> > was OMAP5 ES1 due to a nice little "feature" IP folks left in there :-)
> 
> ah.. "tx-fifo-resize" is set in dra7.dtsi.

hmm, I don't think it needs to be :-) not sure if you remember but early
OMAP5 samples had a default TX fifo configuration of less than one
superspeed bulk packet (less than 1024 bytes) :-)

-- 
balbi
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