upgrade ppc40x to 2.6.28.10

SVN-Revision: 15755

6 files changed, 9 insertions, 340 deletions

diff --git a/target/linux/ppc40x/Makefile b/target/linux/ppc40x/Makefile
index 637680c5c5..95ff5592ec 100644
--- a/target/linux/ppc40x/Makefile
+++ b/target/linux/ppc40x/Makefile
@@ -9,9 +9,9 @@ include $(TOPDIR)/rules.mk
 ARCH:=powerpc
 BOARD:=ppc40x
 BOARDNAME:=AMCC/IBM PPC40x
-FEATURES:=squashfs
+FEATURES:=squashfs usb
 
-LINUX_VERSION:=2.6.27.22
+LINUX_VERSION:=2.6.28.10
 LINUX_KARCH:=powerpc
 
 include $(INCLUDE_DIR)/target.mk
diff --git a/target/linux/ppc40x/config-default b/target/linux/ppc40x/config-default
index 35cbc7ec49..912a10fe22 100644
--- a/target/linux/ppc40x/config-default
+++ b/target/linux/ppc40x/config-default
@@ -63,6 +63,7 @@ CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_LMB=y
 CONFIG_HAVE_OPROFILE=y
 # CONFIG_HAVE_SETUP_PER_CPU_AREA is not set
+# CONFIG_HCU4 is not set
 # CONFIG_HIGHMEM is not set
 CONFIG_HW_RANDOM=y
 CONFIG_HZ=250
diff --git a/target/linux/ppc40x/patches/003-ppc40x_simple_platform_support.patch b/target/linux/ppc40x/patches/003-ppc40x_simple_platform_support.patch
deleted file mode 100644
index 1f7fe7efd6..0000000000
--- a/target/linux/ppc40x/patches/003-ppc40x_simple_platform_support.patch
+++ /dev/null
@@ -1,135 +0,0 @@
---- a/arch/powerpc/platforms/40x/Kconfig
-+++ b/arch/powerpc/platforms/40x/Kconfig
-@@ -14,6 +14,15 @@
- #	help
- #	  This option enables support for the CPCI405 board.
- 
-+config ACADIA
-+	bool "Acadia"
-+	depends on 40x
-+	default n
-+	select PPC40x_SIMPLE
-+	select 405EZ
-+	help
-+	  This option enables support for the AMCC 405EZ Acadia evaluation board.
-+
- config EP405
- 	bool "EP405/EP405PC"
- 	depends on 40x
-@@ -93,6 +102,13 @@ config XILINX_VIRTEX_GENERIC_BOARD
- 	  Most Virtex designs should use this unless it needs to do some
- 	  special configuration at board probe time.
- 
-+config PPC40x_SIMPLE
-+	bool "Simple PowerPC 40x board support"
-+	depends on 40x
-+	default n
-+	help
-+	  This option enables the simple PowerPC 40x platform support.
-+
- # 40x specific CPU modules, selected based on the board above.
- config NP405H
- 	bool
-@@ -118,6 +134,12 @@ config 405EX
- 	select IBM_NEW_EMAC_EMAC4
- 	select IBM_NEW_EMAC_RGMII
- 
-+config 405EZ
-+	bool
-+	select IBM_NEW_EMAC_NO_FLOW_CTRL
-+	select IBM_NEW_EMAC_MAL_CLR_ICINTSTAT
-+	select IBM_NEW_EMAC_MAL_COMMON_ERR
-+
- config 405GPR
- 	bool
- 
---- a/arch/powerpc/platforms/40x/Makefile
-+++ b/arch/powerpc/platforms/40x/Makefile
-@@ -3,3 +3,4 @@ obj-$(CONFIG_MAKALU)				+= makalu.o
- obj-$(CONFIG_WALNUT)				+= walnut.o
- obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD)	+= virtex.o
- obj-$(CONFIG_EP405)				+= ep405.o
-+obj-$(CONFIG_PPC40x_SIMPLE)		+= ppc40x_simple.o
---- /dev/null
-+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
-@@ -0,0 +1,80 @@
-+/*
-+ * Generic PowerPC 40x platform support
-+ *
-+ * Copyright 2008 IBM Corporation
-+ *
-+ * 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; version 2 of the License.
-+ *
-+ * This implements simple platform support for PowerPC 44x chips.  This is
-+ * mostly used for eval boards or other simple and "generic" 44x boards.  If
-+ * your board has custom functions or hardware, then you will likely want to
-+ * implement your own board.c file to accommodate it.
-+ */
-+
-+#include <asm/machdep.h>
-+#include <asm/pci-bridge.h>
-+#include <asm/ppc4xx.h>
-+#include <asm/prom.h>
-+#include <asm/time.h>
-+#include <asm/udbg.h>
-+#include <asm/uic.h>
-+
-+#include <linux/init.h>
-+#include <linux/of_platform.h>
-+
-+static __initdata struct of_device_id ppc40x_of_bus[] = {
-+	{ .compatible = "ibm,plb3", },
-+	{ .compatible = "ibm,plb4", },
-+	{ .compatible = "ibm,opb", },
-+	{ .compatible = "ibm,ebc", },
-+	{ .compatible = "simple-bus", },
-+	{},
-+};
-+
-+static int __init ppc40x_device_probe(void)
-+{
-+	of_platform_bus_probe(NULL, ppc40x_of_bus, NULL);
-+
-+	return 0;
-+}
-+machine_device_initcall(ppc40x_simple, ppc40x_device_probe);
-+
-+/* This is the list of boards that can be supported by this simple
-+ * platform code.  This does _not_ mean the boards are compatible,
-+ * as they most certainly are not from a device tree perspective.
-+ * However, their differences are handled by the device tree and the
-+ * drivers and therefore they don't need custom board support files.
-+ *
-+ * Again, if your board needs to do things differently then create a
-+ * board.c file for it rather than adding it to this list.
-+ */
-+static char *board[] __initdata = {
-+	"amcc,acadia"
-+};
-+
-+static int __init ppc40x_probe(void)
-+{
-+	unsigned long root = of_get_flat_dt_root();
-+	int i = 0;
-+
-+	for (i = 0; i < ARRAY_SIZE(board); i++) {
-+		if (of_flat_dt_is_compatible(root, board[i])) {
-+			ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-+			return 1;
-+		}
-+	}
-+
-+	return 0;
-+}
-+
-+define_machine(ppc40x_simple) {
-+	.name = "PowerPC 40x Platform",
-+	.probe = ppc40x_probe,
-+	.progress = udbg_progress,
-+	.init_IRQ = uic_init_tree,
-+	.get_irq = uic_get_irq,
-+	.restart = ppc4xx_reset_system,
-+	.calibrate_decr = generic_calibrate_decr,
-+};
diff --git a/target/linux/ppc40x/patches/004-acadia_cuboot.patch b/target/linux/ppc40x/patches/004-acadia_cuboot.patch
deleted file mode 100644
index 1962d34add..0000000000
--- a/target/linux/ppc40x/patches/004-acadia_cuboot.patch
+++ /dev/null
@@ -1,197 +0,0 @@
---- a/arch/powerpc/boot/Makefile
-+++ b/arch/powerpc/boot/Makefile
-@@ -68,7 +68,8 @@ src-plat := of.c cuboot-52xx.c cuboot-82
- 		fixed-head.S ep88xc.c ep405.c cuboot-c2k.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 virtex.c redboot-83xx.c cuboot-sam440ep.c
-+		virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
-+		cuboot-acadia.c
- src-boot := $(src-wlib) $(src-plat) empty.c
- 
- src-boot := $(addprefix $(obj)/, $(src-boot))
-@@ -211,6 +212,7 @@ image-$(CONFIG_DEFAULT_UIMAGE)		+= uImag
- # Board ports in arch/powerpc/platform/40x/Kconfig
- image-$(CONFIG_EP405)			+= dtbImage.ep405
- image-$(CONFIG_WALNUT)			+= treeImage.walnut
-+image-$(CONFIG_ACADIA)			+= cuImage.acadia
- 
- # Board ports in arch/powerpc/platform/44x/Kconfig
- image-$(CONFIG_EBONY)			+= treeImage.ebony cuImage.ebony
---- /dev/null
-+++ b/arch/powerpc/boot/cuboot-acadia.c
-@@ -0,0 +1,174 @@
-+/*
-+ * Old U-boot compatibility for Acadia
-+ *
-+ * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
-+ *
-+ * Copyright 2008 IBM Corporation
-+ *
-+ * 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 "io.h"
-+#include "dcr.h"
-+#include "stdio.h"
-+#include "4xx.h"
-+#include "44x.h"
-+#include "cuboot.h"
-+
-+#define TARGET_4xx
-+#include "ppcboot.h"
-+
-+static bd_t bd;
-+
-+#define CPR_PERD0_SPIDV_MASK   0x000F0000     /* SPI Clock Divider */
-+
-+#define PLLC_SRC_MASK	       0x20000000     /* PLL feedback source */
-+
-+#define PLLD_FBDV_MASK	       0x1F000000     /* PLL feedback divider value */
-+#define PLLD_FWDVA_MASK        0x000F0000     /* PLL forward divider A value */
-+#define PLLD_FWDVB_MASK        0x00000700     /* PLL forward divider B value */
-+
-+#define PRIMAD_CPUDV_MASK      0x0F000000     /* CPU Clock Divisor Mask */
-+#define PRIMAD_PLBDV_MASK      0x000F0000     /* PLB Clock Divisor Mask */
-+#define PRIMAD_OPBDV_MASK      0x00000F00     /* OPB Clock Divisor Mask */
-+#define PRIMAD_EBCDV_MASK      0x0000000F     /* EBC Clock Divisor Mask */
-+
-+#define PERD0_PWMDV_MASK       0xFF000000     /* PWM Divider Mask */
-+#define PERD0_SPIDV_MASK       0x000F0000     /* SPI Divider Mask */
-+#define PERD0_U0DV_MASK        0x0000FF00     /* UART 0 Divider Mask */
-+#define PERD0_U1DV_MASK        0x000000FF     /* UART 1 Divider Mask */
-+
-+static void get_clocks(void)
-+{
-+	unsigned long sysclk, cpr_plld, cpr_pllc, cpr_primad, plloutb, i;
-+	unsigned long pllFwdDiv, pllFwdDivB, pllFbkDiv, pllPlbDiv, pllExtBusDiv;
-+	unsigned long pllOpbDiv, freqEBC, freqUART, freqOPB;
-+	unsigned long div;		/* total divisor udiv * bdiv */
-+	unsigned long umin;		/* minimum udiv	*/
-+	unsigned short diff;		/* smallest diff */
-+	unsigned long udiv;		/* best udiv */
-+	unsigned short idiff;		/* current diff */
-+	unsigned short ibdiv;		/* current bdiv */
-+	unsigned long est;		/* current estimate */
-+	unsigned long baud;
-+	void *np;
-+
-+	/* read the sysclk value from the CPLD */
-+	sysclk = (in_8((unsigned char *)0x80000000) == 0xc) ? 66666666 : 33333000;
-+
-+	/*
-+	 * Read PLL Mode registers
-+	 */
-+	cpr_plld = CPR0_READ(DCRN_CPR0_PLLD);
-+	cpr_pllc = CPR0_READ(DCRN_CPR0_PLLC);
-+
-+	/*
-+	 * Determine forward divider A
-+	 */
-+	pllFwdDiv = ((cpr_plld & PLLD_FWDVA_MASK) >> 16);
-+
-+	/*
-+	 * Determine forward divider B
-+	 */
-+	pllFwdDivB = ((cpr_plld & PLLD_FWDVB_MASK) >> 8);
-+	if (pllFwdDivB == 0)
-+		pllFwdDivB = 8;
-+
-+	/*
-+	 * Determine FBK_DIV.
-+	 */
-+	pllFbkDiv = ((cpr_plld & PLLD_FBDV_MASK) >> 24);
-+	if (pllFbkDiv == 0)
-+		pllFbkDiv = 256;
-+
-+	/*
-+	 * Read CPR_PRIMAD register
-+	 */
-+	cpr_primad = CPR0_READ(DCRN_CPR0_PRIMAD);
-+
-+	/*
-+	 * Determine PLB_DIV.
-+	 */
-+	pllPlbDiv = ((cpr_primad & PRIMAD_PLBDV_MASK) >> 16);
-+	if (pllPlbDiv == 0)
-+		pllPlbDiv = 16;
-+
-+	/*
-+	 * Determine EXTBUS_DIV.
-+	 */
-+	pllExtBusDiv = (cpr_primad & PRIMAD_EBCDV_MASK);
-+	if (pllExtBusDiv == 0)
-+		pllExtBusDiv = 16;
-+
-+	/*
-+	 * Determine OPB_DIV.
-+	 */
-+	pllOpbDiv = ((cpr_primad & PRIMAD_OPBDV_MASK) >> 8);
-+	if (pllOpbDiv == 0)
-+		pllOpbDiv = 16;
-+
-+	/* There is a bug in U-Boot that prevents us from using
-+	 * bd.bi_opbfreq because U-Boot doesn't populate it for
-+	 * 405EZ.  We get to calculate it, yay!
-+	 */
-+	freqOPB = (sysclk *pllFbkDiv) /pllOpbDiv;
-+
-+	freqEBC = (sysclk * pllFbkDiv) / pllExtBusDiv;
-+
-+	plloutb = ((sysclk * ((cpr_pllc & PLLC_SRC_MASK) ?
-+					   pllFwdDivB : pllFwdDiv) *
-+		    pllFbkDiv) / pllFwdDivB);
-+
-+	np = find_node_by_alias("serial0");
-+	if (getprop(np, "current-speed", &baud, sizeof(baud)) != sizeof(baud))
-+		fatal("no current-speed property\n\r");
-+
-+	udiv = 256;			/* Assume lowest possible serial clk */
-+	div = plloutb / (16 * baud); /* total divisor */
-+	umin = (plloutb / freqOPB) << 1;	/* 2 x OPB divisor */
-+	diff = 256;			/* highest possible */
-+
-+	/* i is the test udiv value -- start with the largest
-+	 * possible (256) to minimize serial clock and constrain
-+	 * search to umin.
-+	 */
-+	for (i = 256; i > umin; i--) {
-+		ibdiv = div / i;
-+		est = i * ibdiv;
-+		idiff = (est > div) ? (est-div) : (div-est);
-+		if (idiff == 0) {
-+			udiv = i;
-+			break;      /* can't do better */
-+		} else if (idiff < diff) {
-+			udiv = i;       /* best so far */
-+			diff = idiff;   /* update lowest diff*/
-+		}
-+	}
-+	freqUART = plloutb / udiv;
-+
-+	dt_fixup_cpu_clocks(bd.bi_procfreq, bd.bi_intfreq, bd.bi_plb_busfreq);
-+	dt_fixup_clock("/plb/ebc", freqEBC);
-+	dt_fixup_clock("/plb/opb", freqOPB);
-+	dt_fixup_clock("/plb/opb/serial@ef600300", freqUART);
-+	dt_fixup_clock("/plb/opb/serial@ef600400", freqUART);
-+}
-+
-+static void acadia_fixups(void)
-+{
-+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
-+	get_clocks();
-+	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
-+}
-+	
-+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
-+		unsigned long r6, unsigned long r7)
-+{
-+	CUBOOT_INIT();
-+	platform_ops.fixups = acadia_fixups;
-+	platform_ops.exit = ibm40x_dbcr_reset;
-+	fdt_init(_dtb_start);
-+	serial_console_init();
-+}
diff --git a/target/linux/ppc40x/patches/005-magicboxv1.patch b/target/linux/ppc40x/patches/005-magicboxv1.patch
index 159e4f8a65..331fc5ff19 100644
--- a/target/linux/ppc40x/patches/005-magicboxv1.patch
+++ b/target/linux/ppc40x/patches/005-magicboxv1.patch
@@ -263,7 +263,7 @@
 +};
 --- a/arch/powerpc/boot/Makefile
 +++ b/arch/powerpc/boot/Makefile
-@@ -69,7 +69,7 @@ src-plat := of.c cuboot-52xx.c cuboot-82
+@@ -70,7 +70,7 @@ src-plat := of.c cuboot-52xx.c cuboot-82
  		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 virtex.c redboot-83xx.c cuboot-sam440ep.c \
@@ -272,7 +272,7 @@
  src-boot := $(src-wlib) $(src-plat) empty.c
  
  src-boot := $(addprefix $(obj)/, $(src-boot))
-@@ -213,6 +213,7 @@ image-$(CONFIG_DEFAULT_UIMAGE)		+= uImag
+@@ -214,6 +214,7 @@ image-$(CONFIG_DEFAULT_UIMAGE)		+= uImag
  image-$(CONFIG_EP405)			+= dtbImage.ep405
  image-$(CONFIG_WALNUT)			+= treeImage.walnut
  image-$(CONFIG_ACADIA)			+= cuImage.acadia
@@ -282,7 +282,7 @@
  image-$(CONFIG_EBONY)			+= treeImage.ebony cuImage.ebony
 --- a/arch/powerpc/platforms/40x/Kconfig
 +++ b/arch/powerpc/platforms/40x/Kconfig
-@@ -41,6 +41,16 @@ config KILAUEA
+@@ -49,6 +49,16 @@ config KILAUEA
  	help
  	  This option enables support for the AMCC PPC405EX evaluation board.
  
diff --git a/target/linux/ppc40x/patches/006-magicboxv2.patch b/target/linux/ppc40x/patches/006-magicboxv2.patch
index 686c0efdb6..33831af5d3 100644
--- a/target/linux/ppc40x/patches/006-magicboxv2.patch
+++ b/target/linux/ppc40x/patches/006-magicboxv2.patch
@@ -296,7 +296,7 @@
 +};
 --- a/arch/powerpc/boot/Makefile
 +++ b/arch/powerpc/boot/Makefile
-@@ -69,7 +69,7 @@ src-plat := of.c cuboot-52xx.c cuboot-82
+@@ -70,7 +70,7 @@ src-plat := of.c cuboot-52xx.c cuboot-82
  		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 virtex.c redboot-83xx.c cuboot-sam440ep.c \
@@ -305,7 +305,7 @@
  src-boot := $(src-wlib) $(src-plat) empty.c
  
  src-boot := $(addprefix $(obj)/, $(src-boot))
-@@ -214,6 +214,7 @@ image-$(CONFIG_EP405)			+= dtbImage.ep40
+@@ -215,6 +215,7 @@ image-$(CONFIG_EP405)			+= dtbImage.ep40
  image-$(CONFIG_WALNUT)			+= treeImage.walnut
  image-$(CONFIG_ACADIA)			+= cuImage.acadia
  image-$(CONFIG_MAGICBOXV1)		+= cuImage.magicboxv1
@@ -315,7 +315,7 @@
  image-$(CONFIG_EBONY)			+= treeImage.ebony cuImage.ebony
 --- a/arch/powerpc/platforms/40x/Kconfig
 +++ b/arch/powerpc/platforms/40x/Kconfig
-@@ -51,6 +51,16 @@ config MAGICBOXV1
+@@ -59,6 +59,16 @@ config MAGICBOXV1
  	help
  	  This option enables support for the Magicbox v1 board.