[POWERPC] 83xx: Add support for Analogue & Micro ASP837E board

The following adds support for the Analogue & Micro ASP 8347E, running
Redboot.

http://www.analogue-micro.com/ASP8347.html

Signed-off-by: Bryan O'Donoghue <bodonoghue@codehermit.ie>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

4 files changed, 314 insertions, 2 deletions

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index f5e0b2a5af5..c40fb82d575 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -66,7 +66,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
 		fixed-head.S ep88xc.c ep405.c \
 		cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
 		cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
-		virtex405-head.S
+		virtex405-head.S redboot-83xx.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -242,6 +242,7 @@ image-$(CONFIG_MPC834x_ITX)		+= cuImage.mpc8349emitx \
 					   cuImage.mpc8349emitxgp
 image-$(CONFIG_MPC834x_MDS)		+= cuImage.mpc834x_mds
 image-$(CONFIG_MPC836x_MDS)		+= cuImage.mpc836x_mds
+image-$(CONFIG_ASP834x)			+= dtbImage.asp834x-redboot
 
 # Board ports in arch/powerpc/platform/85xx/Kconfig
 image-$(CONFIG_MPC8540_ADS)		+= cuImage.mpc8540ads
diff --git a/arch/powerpc/boot/dts/asp834x-redboot.dts b/arch/powerpc/boot/dts/asp834x-redboot.dts
new file mode 100644
index 00000000000..972cf78fff6
--- /dev/null
+++ b/arch/powerpc/boot/dts/asp834x-redboot.dts
@@ -0,0 +1,247 @@
+/*
+ * Analogue & Micro ASP8347 Device Tree Source
+ *
+ * Copyright 2008 Codehermit
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+/dts-v1/;
+
+/ {
+	model = "Analogue & Micro ASP8347E";
+	compatible = "analogue-and-micro,asp8347e";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	aliases {
+		ethernet0 = &enet0;
+		ethernet1 = &enet1;
+		serial0 = &serial0;
+		serial1 = &serial1;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		PowerPC,8347@0 {
+			device_type = "cpu";
+			reg = <0x0>;
+			d-cache-line-size = <32>;
+			i-cache-line-size = <32>;
+			d-cache-size = <32768>;
+			i-cache-size = <32768>;
+			timebase-frequency = <0>;	// from bootloader
+			bus-frequency = <0>;		// from bootloader
+			clock-frequency = <0>;		// from bootloader
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x8000000>;	// 128MB at 0
+	};
+
+	localbus@ff005000 {
+		#address-cells = <2>;
+		#size-cells = <1>;
+		compatible = "fsl,mpc8347e-localbus",
+			     "fsl,pq2pro-localbus",
+			     "simple-bus";
+		reg = <0xff005000 0x1000>;
+		interrupts = <77 0x8>;
+		interrupt-parent = <&ipic>;
+
+		ranges = <
+			0 0 0xf0000000 0x02000000
+		>;
+
+		flash@0,0 {
+			compatible = "cfi-flash";
+			reg = <0 0 0x02000000>;
+			bank-width = <2>;
+			device-width = <2>;
+		};
+	};
+
+	soc8349@ff000000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		device_type = "soc";
+		ranges = <0x0 0xff000000 0x00100000>;
+		reg = <0xff000000 0x00000200>;
+		bus-frequency = <0>;
+
+		wdt@200 {
+			device_type = "watchdog";
+			compatible = "mpc83xx_wdt";
+			reg = <0x200 0x100>;
+		};
+
+		i2c@3000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			cell-index = <0>;
+			compatible = "fsl-i2c";
+			reg = <0x3000 0x100>;
+			interrupts = <14 0x8>;
+			interrupt-parent = <&ipic>;
+			dfsrr;
+
+			rtc@68 {
+				compatible = "dallas,ds1374";
+				reg = <0x68>;
+			};
+		};
+
+		i2c@3100 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			cell-index = <1>;
+			compatible = "fsl-i2c";
+			reg = <0x3100 0x100>;
+			interrupts = <15 0x8>;
+			interrupt-parent = <&ipic>;
+			dfsrr;
+		};
+
+		spi@7000 {
+			cell-index = <0>;
+			compatible = "fsl,spi";
+			reg = <0x7000 0x1000>;
+			interrupts = <16 0x8>;
+			interrupt-parent = <&ipic>;
+			mode = "cpu";
+		};
+
+		/* phy type (ULPI or SERIAL) are only types supported for MPH */
+		/* port = 0 or 1 */
+		usb@22000 {
+			compatible = "fsl-usb2-mph";
+			reg = <0x22000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupt-parent = <&ipic>;
+			interrupts = <39 0x8>;
+			phy_type = "ulpi";
+			port1;
+		};
+		/* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
+		usb@23000 {
+			compatible = "fsl-usb2-dr";
+			reg = <0x23000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupt-parent = <&ipic>;
+			interrupts = <38 0x8>;
+			dr_mode = "otg";
+			phy_type = "ulpi";
+		};
+
+		mdio@24520 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "fsl,gianfar-mdio";
+			reg = <0x24520 0x20>;
+
+			phy0: ethernet-phy@0 {
+				interrupt-parent = <&ipic>;
+				interrupts = <17 0x8>;
+				reg = <0x1>;
+				device_type = "ethernet-phy";
+			};
+			phy1: ethernet-phy@1 {
+				interrupt-parent = <&ipic>;
+				interrupts = <18 0x8>;
+				reg = <0x2>;
+				device_type = "ethernet-phy";
+			};
+		};
+
+		enet0: ethernet@24000 {
+			cell-index = <0>;
+			device_type = "network";
+			model = "TSEC";
+			compatible = "gianfar";
+			reg = <0x24000 0x1000>;
+			local-mac-address = [ 00 08 e5 11 32 33 ];
+			interrupts = <32 0x8 33 0x8 34 0x8>;
+			interrupt-parent = <&ipic>;
+			phy-handle = <&phy0>;
+			linux,network-index = <0>;
+		};
+
+		enet1: ethernet@25000 {
+			cell-index = <1>;
+			device_type = "network";
+			model = "TSEC";
+			compatible = "gianfar";
+			reg = <0x25000 0x1000>;
+			local-mac-address = [ 00 08 e5 11 32 34 ];
+			interrupts = <35 0x8 36 0x8 37 0x8>;
+			interrupt-parent = <&ipic>;
+			phy-handle = <&phy1>;
+			linux,network-index = <1>;
+		};
+
+		serial0: serial@4500 {
+			cell-index = <0>;
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <0x4500 0x100>;
+			clock-frequency = <400000000>;
+			interrupts = <9 0x8>;
+			interrupt-parent = <&ipic>;
+		};
+
+		serial1: serial@4600 {
+			cell-index = <1>;
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <0x4600 0x100>;
+			clock-frequency = <400000000>;
+			interrupts = <10 0x8>;
+			interrupt-parent = <&ipic>;
+		};
+
+		/* May need to remove if on a part without crypto engine */
+		crypto@30000 {
+			device_type = "crypto";
+			model = "SEC2";
+			compatible = "talitos";
+			reg = <0x30000 0x10000>;
+			interrupts = <11 0x8>;
+			interrupt-parent = <&ipic>;
+			num-channels = <4>;
+			channel-fifo-len = <24>;
+			exec-units-mask = <0x0000007e>;
+			/* desc mask is for rev2.0,
+			 * we need runtime fixup for >2.0 */
+			descriptor-types-mask = <0x01010ebf>;
+		};
+
+		/* IPIC
+		 * interrupts cell = <intr #, sense>
+		 * sense values match linux IORESOURCE_IRQ_* defines:
+		 * sense == 8: Level, low assertion
+		 * sense == 2: Edge, high-to-low change
+		 */
+		ipic: pic@700 {
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			reg = <0x700 0x100>;
+			device_type = "ipic";
+		};
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,38400 root=/dev/mtdblock3 rootfstype=jffs2";
+		linux,stdout-path = &serial0;
+	};
+
+};
diff --git a/arch/powerpc/boot/redboot-83xx.c b/arch/powerpc/boot/redboot-83xx.c
new file mode 100644
index 00000000000..79aa9e151fa
--- /dev/null
+++ b/arch/powerpc/boot/redboot-83xx.c
@@ -0,0 +1,60 @@
+/*
+ * RedBoot firmware support
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ * Copyright (c) 2008 Codehermit
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "redboot.h"
+#include "fsl-soc.h"
+#include "io.h"
+
+static bd_t bd;
+BSS_STACK(4096);
+
+#define MHZ(x)	((x + 500000) / 1000000)
+
+static void platform_fixups(void)
+{
+	void *node;
+
+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+	dt_fixup_mac_addresses(bd.bi_enetaddr);
+	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
+
+	node = finddevice("/soc/cpm/brg");
+	if (node) {
+		printf("BRG clock-frequency <- 0x%x (%dMHz)\r\n",
+		       bd.bi_busfreq, MHZ(bd.bi_busfreq));
+		setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
+	}
+
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+		   unsigned long r6, unsigned long r7)
+{
+	memcpy(&bd, (char *)r3, sizeof(bd));
+
+	if (bd.bi_tag != 0x42444944)
+		return;
+
+	simple_alloc_init(_end,
+			  bd.bi_memstart + bd.bi_memsize - (unsigned long)_end,
+			  32, 64);
+
+	fdt_init(_dtb_start);
+	serial_console_init();
+	platform_ops.fixups = platform_fixups;
+
+	loader_info.cmdline = (char *)bd.bi_cmdline;
+	loader_info.cmdline_len = strlen((char *)bd.bi_cmdline);
+}
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index d6c96d9ab29..4832be88099 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -171,7 +171,7 @@ cuboot*)
     *-mpc824*)
         platformo=$object/cuboot-824x.o
         ;;
-    *-mpc83*)
+    *-mpc83*|*-asp834x*)
         platformo=$object/cuboot-83xx.o
         ;;
     *-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555|*-ksi8560*)
@@ -203,6 +203,10 @@ simpleboot-virtex405-*)
     platformo="$object/virtex405-head.o $object/simpleboot.o"
     binary=y
     ;;
+asp834x-redboot)
+    platformo="$object/fixed-head.o $object/redboot-83xx.o"
+    binary=y
+    ;;
 esac
 
 vmz="$tmpdir/`basename \"$kernel\"`.$ext"