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Support AMCC Taihu 405EP Eval Board

PATCH New John Otken 1 participant 1 message May 11, 2006

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John Otken

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PATCH 1/2 Support AMCC Taihu 405EP Eval Board

This patch adds support for the AMCC Taihu 405EP
evaluation board.

I tested it against the latest Denx git tree
(2.6.17-rc3).

The defconfig file follows.

Comments are welcome.

Signed-off-by John Otken <[email protected]>
 arch/ppc/platforms/4xx/Kconfig    |   15
 arch/ppc/platforms/4xx/Makefile   |    1
 arch/ppc/platforms/4xx/taihu.c    |  260 +++++
 arch/ppc/platforms/4xx/taihu.h    |  105 ++
 drivers/mtd/maps/Kconfig          |    8
 drivers/mtd/maps/Makefile         |    1
 drivers/mtd/maps/taihu.c          |  155 +++
 drivers/usb/gadget/Kconfig        |   11
 drivers/usb/gadget/Makefile       |    1
 drivers/usb/gadget/epautoconf.c   |   15
 drivers/usb/gadget/gadget_chips.h |    8
 drivers/usb/gadget/pd12_udc.c     | 1821 +++++++++++++++++++++++++++++++++++++
 drivers/usb/gadget/pd12_udc.h     |  148 +++
 include/asm-ppc/ibm4xx.h          |    4
 14 files changed, 2548 insertions(+), 5 deletions(-)
 create mode 100644 arch/ppc/platforms/4xx/taihu.c
 create mode 100644 arch/ppc/platforms/4xx/taihu.h
 create mode 100644 drivers/mtd/maps/taihu.c
 create mode 100755 drivers/usb/gadget/pd12_udc.c
 create mode 100644 drivers/usb/gadget/pd12_udc.h
arch/ppc/platforms/4xx/Kconfig +10 -5
index 51414c4..4efba1e 100644
@@ -66,6 +66,12 @@ config XILINX_ML403
 	bool "Xilinx-ML403"
 	help
 	  This option enables support for the Xilinx ML403 evaluation board.
+
+config TAIHU
+	bool "Taihu"
+	select WANT_EARLY_SERIAL
+	help
+	  This option enables support for the AMCC 405EP evaluation board.
 endchoice
 
 choice

@@ -120,7 +126,6 @@ config YOSEMITE
        select WANT_EARLY_SERIAL
        help
          This option enables support for the AMCC PPC440EP evaluation board.
-
 endchoice
 
 config EP405PC

@@ -201,7 +206,7 @@ config BOOKE
 
 config IBM_OCP
 	bool
-	depends on ASH || BAMBOO || BUBINGA || CPCI405 || EBONY || EP405 || LUAN || YUCCA || OCOTEA || P3P440 || PPChameleonEVB || REDWOOD_5 || REDWOOD_6 || SYCAMORE || WALNUT || YELLOWSTONE || YOSEMITE
+	depends on ASH || BAMBOO || BUBINGA || CPCI405 || EBONY || EP405 || LUAN || YUCCA || OCOTEA || P3P440 || PPChameleonEVB || REDWOOD_5 || REDWOOD_6 || SYCAMORE || TAIHU || WALNUT || YELLOWSTONE || YOSEMITE
 	default y
 
 config IBM_EMAC4

@@ -211,7 +216,7 @@ config IBM_EMAC4
 
 config BIOS_FIXUP
 	bool
-	depends on BUBINGA || EP405 || SYCAMORE || WALNUT
+	depends on BUBINGA || EP405 || SYCAMORE || TAIHU || WALNUT
 	default y
 
 # OAK doesn't exist but wanted to keep this around for any future 403GCX boards

@@ -222,7 +227,7 @@ config 403GCX
 
 config 405EP
 	bool
-	depends on BUBINGA || PPChameleonEVB
+	depends on BUBINGA || PPChameleonEVB || TAIHU
 	default y
 
 config 405GP

@@ -262,7 +267,7 @@ config EMBEDDEDBOOT
 
 config IBM_OPENBIOS
 	bool
-	depends on ASH || REDWOOD_5 || REDWOOD_6
+	depends on ASH || REDWOOD_5 || REDWOOD_6 || TAIHU
 	default y
 
 config PPC4xx_DMA
arch/ppc/platforms/4xx/Makefile +1 -0
index d3a7a16..86374ff 100644
@@ -14,6 +14,7 @@ obj-$(CONFIG_PPChameleonEVB)	+= ppchamel
 obj-$(CONFIG_REDWOOD_5)		+= redwood5.o
 obj-$(CONFIG_REDWOOD_6)		+= redwood6.o
 obj-$(CONFIG_SYCAMORE)		+= sycamore.o
+obj-$(CONFIG_TAIHU)		+= taihu.o
 obj-$(CONFIG_WALNUT)		+= walnut.o
 obj-$(CONFIG_XILINX_ML300)	+= xilinx_ml300.o
 obj-$(CONFIG_XILINX_ML403)	+= xilinx_ml403.o
arch/ppc/platforms/4xx/taihu.c new file +260 -0

260 lines not on this page · raw message

arch/ppc/platforms/4xx/taihu.h new file +105 -0

105 lines not on this page · raw message

drivers/mtd/maps/Kconfig +8 -0
index 9848471..41941c7 100644
@@ -321,6 +321,14 @@ config MTD_ARCTIC
 	  Arctic board. If you have one of these boards and would like to
 	  use the flash chips on it, say 'Y'.
 
+config MTD_TAIHU
+	tristate "Flash device mapped on AMCC 405EP Taihu"
+	depends on MTD_CFI && PPC32 && 40x && TAIHU
+	help
+	  This enables access routines for the flash chips on the AMCC 405EP
+	  Taihu board. If you have one of these boards and would like to
+	  use the flash chips on it, say 'Y'.
+
 config MTD_WALNUT
 	tristate "Flash device mapped on AMCC 405GP/r/EP Walnut/Sycamore/Bubinga"
 	depends on MTD_JEDECPROBE && (WALNUT || SYCAMORE || BUBINGA)
drivers/mtd/maps/Makefile +1 -0
index c2cf73a..b2210de 100644
@@ -58,6 +58,7 @@ obj-$(CONFIG_MTD_OCOTEA)	+= ocotea.o
 obj-$(CONFIG_MTD_BAMBOO)	+= bamboo.o
 obj-$(CONFIG_MTD_BEECH)		+= beech-mtd.o
 obj-$(CONFIG_MTD_ARCTIC)	+= arctic-mtd.o
+obj-$(CONFIG_MTD_TAIHU)         += taihu.o
 obj-$(CONFIG_MTD_WALNUT)        += walnut.o
 obj-$(CONFIG_MTD_YOSEMITE)      += yosemite.o
 obj-$(CONFIG_MTD_H720X)		+= h720x-flash.o
drivers/mtd/maps/taihu.c new file +155 -0

155 lines not on this page · raw message

drivers/usb/gadget/Kconfig +11 -0
index 363b2ad..c541e12 100644
@@ -154,6 +154,17 @@ config USB_LH7A40X
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_GADGET_PD12
+	boolean "PD12 UDC"
+	depends on TAIHU
+	help
+    This driver provides USB Device Controller driver for PD12 UDC
+
+config USB_PD12
+	tristate
+	depends on USB_GADGET_PD12
+	default USB_GADGET
+	select USB_GADGET_SELECTED
 
 config USB_GADGET_OMAP
 	boolean "OMAP USB Device Controller"
drivers/usb/gadget/Makefile +1 -0
index 5a28e61..4422f49 100644
@@ -8,6 +8,7 @@ obj-$(CONFIG_USB_GOKU)		+= goku_udc.o
 obj-$(CONFIG_USB_OMAP)		+= omap_udc.o
 obj-$(CONFIG_USB_LH7A40X)	+= lh7a40x_udc.o
 obj-$(CONFIG_USB_AT91)		+= at91_udc.o
+obj-$(CONFIG_USB_PD12)	+= pd12_udc.o
 
 #
 # USB gadget drivers
drivers/usb/gadget/epautoconf.c +15 -0
index f7c6d75..9c32fa8 100644
@@ -274,6 +274,21 @@ struct usb_ep * __init usb_ep_autoconfig
 		ep = find_ep (gadget, "ep1-bulk");
 		if (ep && ep_matches (gadget, ep, desc))
 			return ep;
+
+	} else if (gadget_is_pd12 (gadget)) {
+		if (USB_ENDPOINT_XFER_BULK == type
+				&& (USB_DIR_IN & desc->bEndpointAddress)) {
+			/* single buffering is enough */
+			ep = find_ep (gadget, "ep2in-bulk");
+			if (ep && ep_matches (gadget, ep, desc))
+				return ep;
+		} else if (USB_ENDPOINT_XFER_BULK == type
+				&& (USB_DIR_OUT & desc->bEndpointAddress)) {
+			/* DMA may be available */
+			ep = find_ep (gadget, "ep1out-bulk");
+			if (ep && ep_matches (gadget, ep, desc))
+				return ep;
+		}
 	}
 
 	/* Second, look at endpoints until an unclaimed one looks usable */
drivers/usb/gadget/gadget_chips.h +8 -0
index aa80f09..af3767c 100644
@@ -87,6 +87,12 @@
 #define gadget_is_at91(g)	0
 #endif
 
+#ifdef CONFIG_USB_GADGET_PD12
+#define gadget_is_pd12(g)	!strcmp("pd12_udc", (g)->name)
+#else
+#define gadget_is_pd12(g)	0
+#endif
+
 #ifdef CONFIG_USB_GADGET_IMX
 #define gadget_is_imx(g)	!strcmp("imx_udc", (g)->name)
 #else

@@ -169,5 +175,7 @@ static inline int usb_gadget_controller_
 		return 0x16;
 	else if (gadget_is_mpc8272(gadget))
 		return 0x17;
+	else if (gadget_is_pd12(gadget))
+		return 0x18;
 	return -ENOENT;
 }
drivers/usb/gadget/pd12_udc.c new file +1821 -0

1,821 lines not on this page · raw message

drivers/usb/gadget/pd12_udc.h new file +148 -0

148 lines not on this page · raw message

include/asm-ppc/ibm4xx.h +4 -0
index b67db19..da0de26 100644
@@ -47,6 +47,10 @@
 #include <platforms/4xx/sycamore.h>
 #endif
 
+#if defined(CONFIG_TAIHU)
+#include <platforms/4xx/taihu.h>
+#endif
+
 #if defined(CONFIG_WALNUT)
 #include <platforms/4xx/walnut.h>
 #endif