Merge ../torvalds-2.6/

8 files changed, 86 insertions, 79 deletions

diff --git a/arch/ppc/boot/simple/Makefile b/arch/ppc/boot/simple/Makefile
index f3e9c534aa8..9533f8de238 100644
--- a/arch/ppc/boot/simple/Makefile
+++ b/arch/ppc/boot/simple/Makefile
@@ -190,6 +190,8 @@ boot-$(CONFIG_REDWOOD_5)	+= embed_config.o
 boot-$(CONFIG_REDWOOD_6)	+= embed_config.o
 boot-$(CONFIG_8xx)		+= embed_config.o
 boot-$(CONFIG_8260)		+= embed_config.o
+boot-$(CONFIG_EP405)		+= embed_config.o
+boot-$(CONFIG_XILINX_ML300)	+= embed_config.o
 boot-$(CONFIG_BSEIP)		+= iic.o
 boot-$(CONFIG_MBX)		+= iic.o pci.o qspan_pci.o
 boot-$(CONFIG_MV64X60)		+= misc-mv64x60.o
diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
index 821a75e4560..1be3ca5bae4 100644
--- a/arch/ppc/kernel/idle.c
+++ b/arch/ppc/kernel/idle.c
@@ -37,7 +37,6 @@
 void default_idle(void)
 {
 	void (*powersave)(void);
-	int cpu = smp_processor_id();
 
 	powersave = ppc_md.power_save;
 
@@ -47,7 +46,8 @@ void default_idle(void)
 #ifdef CONFIG_SMP
 		else {
 			set_thread_flag(TIF_POLLING_NRFLAG);
-			while (!need_resched() && !cpu_is_offline(cpu))
+			while (!need_resched() &&
+					!cpu_is_offline(smp_processor_id()))
 				barrier();
 			clear_thread_flag(TIF_POLLING_NRFLAG);
 		}
diff --git a/arch/ppc/platforms/4xx/ibm440gx.c b/arch/ppc/platforms/4xx/ibm440gx.c
index 956f45e4ef9..d24c09ee7b1 100644
--- a/arch/ppc/platforms/4xx/ibm440gx.c
+++ b/arch/ppc/platforms/4xx/ibm440gx.c
@@ -58,7 +58,6 @@ static struct ocp_func_emac_data ibm440gx_emac2_def = {
 	.wol_irq        = 65,  		/* WOL interrupt number */
 	.mdio_idx       = -1,           /* No shared MDIO */
 	.tah_idx	= 0,		/* TAH device index */
-	.jumbo		= 1,		/* Jumbo frames supported */
 };
 
 static struct ocp_func_emac_data ibm440gx_emac3_def = {
@@ -72,7 +71,6 @@ static struct ocp_func_emac_data ibm440gx_emac3_def = {
 	.wol_irq        = 67,  		/* WOL interrupt number */
 	.mdio_idx       = -1,           /* No shared MDIO */
 	.tah_idx	= 1,		/* TAH device index */
-	.jumbo		= 1,		/* Jumbo frames supported */
 };
 OCP_SYSFS_EMAC_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibm440sp.c b/arch/ppc/platforms/4xx/ibm440sp.c
index feb17e41ef6..71a0117d359 100644
--- a/arch/ppc/platforms/4xx/ibm440sp.c
+++ b/arch/ppc/platforms/4xx/ibm440sp.c
@@ -31,7 +31,6 @@ static struct ocp_func_emac_data ibm440sp_emac0_def = {
 	.wol_irq        = 61,  		/* WOL interrupt number */
 	.mdio_idx       = -1,           /* No shared MDIO */
 	.tah_idx	= -1,		/* No TAH */
-	.jumbo		= 1,		/* Jumbo frames supported */
 };
 OCP_SYSFS_EMAC_DATA()
 
diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c
index d44cc991179..7ed52dc340c 100644
--- a/arch/ppc/platforms/lite5200.c
+++ b/arch/ppc/platforms/lite5200.c
@@ -196,8 +196,10 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 	mpc52xx_set_bat();
 
 	/* No ISA bus by default */
+#ifdef CONFIG_PCI
 	isa_io_base		= 0;
 	isa_mem_base		= 0;
+#endif
 
 	/* Powersave */
 	/* This is provided as an example on how to do it. But you
diff --git a/arch/ppc/platforms/mpc5200.c b/arch/ppc/platforms/mpc5200.c
deleted file mode 100644
index a58db438c16..00000000000
--- a/arch/ppc/platforms/mpc5200.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * arch/ppc/platforms/mpc5200.c
- *
- * OCP Definitions for the boards based on MPC5200 processor. Contains
- * definitions for every common peripherals. (Mostly all but PSCs)
- * 
- * Maintainer : Sylvain Munaut <tnt@246tNt.com>
- *
- * Copyright 2004 Sylvain Munaut <tnt@246tNt.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#include <asm/ocp.h>
-#include <asm/mpc52xx.h>
-
-
-static struct ocp_fs_i2c_data mpc5200_i2c_def = {
-        .flags  = FS_I2C_CLOCK_5200,
-};
-
-
-/* Here is the core_ocp struct.
- * With all the devices common to all board. Even if port multiplexing is
- * not setup for them (if the user don't want them, just don't select the
- * config option). The potentially conflicting devices (like PSCs) goes in
- * board specific file.
- */
-struct ocp_def core_ocp[] = {
-	{
-		.vendor         = OCP_VENDOR_FREESCALE,
-		.function       = OCP_FUNC_IIC,
-		.index          = 0,
-		.paddr          = MPC52xx_I2C1,
-		.irq            = OCP_IRQ_NA,   /* MPC52xx_IRQ_I2C1 - Buggy */
-		.pm             = OCP_CPM_NA,
-		.additions      = &mpc5200_i2c_def,
-	},
-	{
-		.vendor         = OCP_VENDOR_FREESCALE,
-		.function       = OCP_FUNC_IIC,
-		.index          = 1,
-		.paddr          = MPC52xx_I2C2,
-		.irq            = OCP_IRQ_NA,   /* MPC52xx_IRQ_I2C2 - Buggy */
-		.pm             = OCP_CPM_NA,
-		.additions      = &mpc5200_i2c_def,
-	},
-	{	/* Terminating entry */
-		.vendor		= OCP_VENDOR_INVALID
-	}
-};
diff --git a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c
index 4ac19080eb8..313c96ec7eb 100644
--- a/arch/ppc/syslib/mpc52xx_pci.c
+++ b/arch/ppc/syslib/mpc52xx_pci.c
@@ -24,6 +24,12 @@
 #include <asm/machdep.h>
 
 
+/* This macro is defined to activate the workaround for the bug
+   435 of the MPC5200 (L25R). With it activated, we don't do any
+   32 bits configuration access during type-1 cycles */
+#define MPC5200_BUG_435_WORKAROUND
+
+
 static int
 mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
 				int offset, int len, u32 *val)
@@ -40,17 +46,39 @@ mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
 		((bus->number - hose->bus_offset) << 16) |
 		(devfn << 8) |
 		(offset & 0xfc));
+	mb();
+
+#ifdef MPC5200_BUG_435_WORKAROUND
+	if (bus->number != hose->bus_offset) {
+		switch (len) {
+			case 1:
+				value = in_8(((u8 __iomem *)hose->cfg_data) + (offset & 3));
+				break;
+			case 2:
+				value = in_le16(((u16 __iomem *)hose->cfg_data) + ((offset>>1) & 1));
+				break;
+
+			default:
+				value = in_le16((u16 __iomem *)hose->cfg_data) |
+					(in_le16(((u16 __iomem *)hose->cfg_data) + 1) << 16);
+				break;
+		}
+	}
+	else
+#endif
+	{
+		value = in_le32(hose->cfg_data);
 
-	value = in_le32(hose->cfg_data);
-
-	if (len != 4) {
-		value >>= ((offset & 0x3) << 3);
-		value &= 0xffffffff >> (32 - (len << 3));
+		if (len != 4) {
+			value >>= ((offset & 0x3) << 3);
+			value &= 0xffffffff >> (32 - (len << 3));
+		}
 	}
 
 	*val = value;
 
 	out_be32(hose->cfg_addr, 0);
+	mb();
 
 	return PCIBIOS_SUCCESSFUL;
 }
@@ -71,21 +99,48 @@ mpc52xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
 		((bus->number - hose->bus_offset) << 16) |
 		(devfn << 8) |
 		(offset & 0xfc));
+	mb();
+
+#ifdef MPC5200_BUG_435_WORKAROUND
+	if (bus->number != hose->bus_offset) {
+		switch (len) {
+			case 1:
+				out_8(((u8 __iomem *)hose->cfg_data) +
+					(offset & 3), val);
+				break;
+			case 2:
+				out_le16(((u16 __iomem *)hose->cfg_data) +
+					((offset>>1) & 1), val);
+				break;
+
+			default:
+				out_le16((u16 __iomem *)hose->cfg_data,
+					(u16)val);
+				out_le16(((u16 __iomem *)hose->cfg_data) + 1,
+					(u16)(val>>16));
+				break;
+		}
+	}
+	else
+#endif
+	{
+		if (len != 4) {
+			value = in_le32(hose->cfg_data);
 
-	if (len != 4) {
-		value = in_le32(hose->cfg_data);
+			offset = (offset & 0x3) << 3;
+			mask = (0xffffffff >> (32 - (len << 3)));
+			mask <<= offset;
 
-		offset = (offset & 0x3) << 3;
-		mask = (0xffffffff >> (32 - (len << 3)));
-		mask <<= offset;
+			value &= ~mask;
+			val = value | ((val << offset) & mask);
+		}
 
-		value &= ~mask;
-		val = value | ((val << offset) & mask);
+		out_le32(hose->cfg_data, val);
 	}
-
-	out_le32(hose->cfg_data, val);
+	mb();
 
 	out_be32(hose->cfg_addr, 0);
+	mb();
 
 	return PCIBIOS_SUCCESSFUL;
 }
@@ -99,9 +154,12 @@ static struct pci_ops mpc52xx_pci_ops = {
 static void __init
 mpc52xx_pci_setup(struct mpc52xx_pci __iomem *pci_regs)
 {
+	u32 tmp;
 
 	/* Setup control regs */
-		/* Nothing to do afaik */
+	tmp = in_be32(&pci_regs->scr);
+	tmp |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	out_be32(&pci_regs->scr, tmp);
 
 	/* Setup windows */
 	out_be32(&pci_regs->iw0btar, MPC52xx_PCI_IWBTAR_TRANSLATION(
@@ -142,16 +200,15 @@ mpc52xx_pci_setup(struct mpc52xx_pci __iomem *pci_regs)
 	/* Not necessary and can be a bad thing if for example the bootloader
 	   is displaying a splash screen or ... Just left here for
 	   documentation purpose if anyone need it */
-#if 0
-	u32 tmp;
 	tmp = in_be32(&pci_regs->gscr);
+#if 0
 	out_be32(&pci_regs->gscr, tmp | MPC52xx_PCI_GSCR_PR);
 	udelay(50);
-	out_be32(&pci_regs->gscr, tmp);
 #endif
+	out_be32(&pci_regs->gscr, tmp & ~MPC52xx_PCI_GSCR_PR);
 }
 
-static void __init
+static void
 mpc52xx_pci_fixup_resources(struct pci_dev *dev)
 {
 	int i;
diff --git a/arch/ppc/syslib/mpc52xx_setup.c b/arch/ppc/syslib/mpc52xx_setup.c
index bb2374585a7..a4a4b02227d 100644
--- a/arch/ppc/syslib/mpc52xx_setup.c
+++ b/arch/ppc/syslib/mpc52xx_setup.c
@@ -84,9 +84,11 @@ mpc52xx_set_bat(void)
 void __init
 mpc52xx_map_io(void)
 {
-	/* Here we only map the MBAR */
+	/* Here we map the MBAR and the whole upper zone. MBAR is only
+	   64k but we can't map only 64k with BATs. Map the whole
+	   0xf0000000 range is ok and helps eventual lpb devices placed there */
 	io_block_mapping(
-		MPC52xx_MBAR_VIRT, MPC52xx_MBAR, MPC52xx_MBAR_SIZE, _PAGE_IO);
+		MPC52xx_MBAR_VIRT, MPC52xx_MBAR, 0x10000000, _PAGE_IO);
 }