From fa57f9c2b841872ffad9d8f7b3de23d6ba33c30d Mon Sep 17 00:00:00 2001 From: Eugene Surovegin Date: Fri, 6 Jan 2006 00:11:26 -0800 Subject: [PATCH] ppc32: remove "jumbo" member from ocp_func_emac_data Remove the not needed anymore "jumbo" member from ocp_func_emac_data. Jumbo frame support is handled by PPC4xx EMAC driver internally now. Signed-off-by: Eugene Surovegin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/platforms/4xx/ibm440gx.c | 2 -- arch/ppc/platforms/4xx/ibm440sp.c | 1 - 2 files changed, 3 deletions(-) (limited to 'arch/ppc') diff --git a/arch/ppc/platforms/4xx/ibm440gx.c b/arch/ppc/platforms/4xx/ibm440gx.c index 956f45e4ef97..d24c09ee7b18 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 feb17e41ef69..71a0117d3597 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() -- cgit v1.2.2 From e13ac219816c58579f40b48220b2fa5d94c30e84 Mon Sep 17 00:00:00 2001 From: Otavio Salvador Date: Fri, 6 Jan 2006 00:11:26 -0800 Subject: [PATCH] arch/ppc/kernel/idle.c: don't declare cpu variable in non-SMP kernels Disable declaration of cpu variable in default_idle function when building non-SMP kernels. Signed-off-by: Otavio Salvador Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/kernel/idle.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/ppc') diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c index 821a75e45602..1be3ca5bae40 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); } -- cgit v1.2.2 From 7558824a8d16e244072bfebc9e5e3e3b1b9af261 Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Fri, 6 Jan 2006 00:11:30 -0800 Subject: [PATCH] ppc32: Remove useless file arch/ppc/platforms/mpc5200.c That file is a left-over of the 'old' OCP model that should have been erased during the change to platform model but I forgot it ... Signed-off-by: Sylvain Munaut Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/platforms/mpc5200.c | 53 -------------------------------------------- 1 file changed, 53 deletions(-) delete mode 100644 arch/ppc/platforms/mpc5200.c (limited to 'arch/ppc') diff --git a/arch/ppc/platforms/mpc5200.c b/arch/ppc/platforms/mpc5200.c deleted file mode 100644 index a58db438c162..000000000000 --- 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 - * - * Copyright 2004 Sylvain Munaut - * - * 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 -#include - - -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 - } -}; -- cgit v1.2.2 From 4aa7c80193c561e52c06351e0f521e697954a859 Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Fri, 6 Jan 2006 00:11:34 -0800 Subject: [PATCH] ppc32: Fix static IO mapping for Freescale MPC52xx The current iomapping used MBAR_SIZE for the size argument of io_block_mapping, resulting in a call to setbat with a size argument of 64k which is invalid. This patch correct this and maps the whole 0xf0000000->0xffffffff range so that devices on the local bus are also included in the BAT mapping. Thanks to Bernhard Kuhn from Metrowerks for pointing this out. Signed-off-by: Sylvain Munaut Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/syslib/mpc52xx_setup.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'arch/ppc') diff --git a/arch/ppc/syslib/mpc52xx_setup.c b/arch/ppc/syslib/mpc52xx_setup.c index bb2374585a7b..a4a4b02227df 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); } -- cgit v1.2.2 From dbeb198d9366eb3d3ad64444ceecb5b1d5b5d7ef Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Fri, 6 Jan 2006 00:11:35 -0800 Subject: [PATCH] ppc32: Remove __init qualifier from mpc52xx pci resources fixups The mpc52xx_pci_fixup_resources is not only called at init but also when there is a pci hotplug like when a cardbus card is plugged in. So that function is needed after init too. Thanks to Asier Llano Palacios for reporting this. Signed-off-by: Sylvain Munaut Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/syslib/mpc52xx_pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/ppc') diff --git a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c index 4ac19080eb85..e6cb3e26615a 100644 --- a/arch/ppc/syslib/mpc52xx_pci.c +++ b/arch/ppc/syslib/mpc52xx_pci.c @@ -151,7 +151,7 @@ mpc52xx_pci_setup(struct mpc52xx_pci __iomem *pci_regs) #endif } -static void __init +static void mpc52xx_pci_fixup_resources(struct pci_dev *dev) { int i; -- cgit v1.2.2 From db674ed450f113518285f410c93abecd93e71a2f Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Fri, 6 Jan 2006 00:11:36 -0800 Subject: [PATCH] ppc32: Fix MPC52xx configuration space access This patch takes care of an errata of the MPC5200 by avoiding 32 bits access in type 1 configuration accesses. All others accesses are still 32 bits wide. It also adds some mb() since the simple out_be(...) are not sufficient in this case. Signed-off-by: Sylvain Munaut Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/syslib/mpc52xx_pci.c | 83 +++++++++++++++++++++++++++++++++++-------- 1 file changed, 69 insertions(+), 14 deletions(-) (limited to 'arch/ppc') diff --git a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c index e6cb3e26615a..2c5e6ddaf2c5 100644 --- a/arch/ppc/syslib/mpc52xx_pci.c +++ b/arch/ppc/syslib/mpc52xx_pci.c @@ -24,6 +24,12 @@ #include +/* 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; } -- cgit v1.2.2 From 041cb6241fa97c4881dd19d79f783b2e077acd28 Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Fri, 6 Jan 2006 00:11:37 -0800 Subject: [PATCH] ppc32: Fix MPC52xx PCI init in cas the bootloader didn't do it We were counting on the bootloader to init some stuff, like get the bus out of reset and enable accesses. Signed-off-by: Sylvain Munaut Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/syslib/mpc52xx_pci.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'arch/ppc') diff --git a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c index 2c5e6ddaf2c5..313c96ec7eb1 100644 --- a/arch/ppc/syslib/mpc52xx_pci.c +++ b/arch/ppc/syslib/mpc52xx_pci.c @@ -154,9 +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( @@ -197,13 +200,12 @@ 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 -- cgit v1.2.2 From f80257a25d9f73a0e6e377c7d6bf29b8938c042d Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Fri, 6 Jan 2006 00:11:38 -0800 Subject: [PATCH] ppc32: Allows compilation of a MPC52xx kernel without PCI Some custom cards might not need PCI, without this patch, compilation fails. Signed-off-by: Roger Blofeld Signed-off-by: Sylvain Munaut Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/platforms/lite5200.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/ppc') diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c index d44cc991179f..7ed52dc340c9 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 -- cgit v1.2.2 From 683e2cc6dc5aa9bb4ba2f2e0662df9d7f0a1d6c2 Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Fri, 6 Jan 2006 00:11:39 -0800 Subject: [PATCH] ppc32: Re-add embed_config.c to ml300/ep405 Commit 3e9e7c1d0b7a36fb8affb973a054c5098e27baa8 (ppc32: cleanup AMCC PPC40x eval boards to support U-Boot) broke the kernel for ML300 / EP405. It still compiles as there's a weak definition of the function in misc-embedded.c, but the kernel crashes as the bd_t fixup isn't performed. Signed-off-by: Peter Korsgaard Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/boot/simple/Makefile | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/ppc') diff --git a/arch/ppc/boot/simple/Makefile b/arch/ppc/boot/simple/Makefile index f3e9c534aa82..9533f8de238f 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 -- cgit v1.2.2