From 5d1a04110bfc40a86e1387b5f4382addd9aa7fbb Mon Sep 17 00:00:00 2001 From: John Linn Date: Tue, 1 Jul 2008 14:17:18 -0600 Subject: powerpc/bootwrapper: update for initrd with simpleImage This change to the makefile corrects the build of a simpleImage with initrd. Signed-off-by: John Linn Signed-off-by: Grant Likely --- arch/powerpc/boot/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 1cee2f9fdf0..095e04db1c0 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -273,7 +273,8 @@ endif initrd- := $(patsubst zImage%, zImage.initrd%, $(image-n) $(image-)) initrd-y := $(patsubst zImage%, zImage.initrd%, \ $(patsubst dtbImage%, dtbImage.initrd%, \ - $(patsubst treeImage%, treeImage.initrd%, $(image-y)))) + $(patsubst simpleImage%, simpleImage.initrd%, \ + $(patsubst treeImage%, treeImage.initrd%, $(image-y))))) initrd-y := $(filter-out $(image-y), $(initrd-y)) targets += $(image-y) $(initrd-y) -- cgit v1.2.3 From 1e6d1f260611387a7b4e6eae4d1dd6f62e53714d Mon Sep 17 00:00:00 2001 From: John Linn Date: Tue, 1 Jul 2008 10:52:41 -0700 Subject: powerpc/legacy_serial: Bail if reg-offset/shift properties are present The legacy serial driver does not work with an 8250 type UART that is described in the device tree with the reg-offset and reg-shift properties. This change makes legacy_serial ignore these devices. Signed-off-by: John Linn Signed-off-by: Grant Likely --- arch/powerpc/kernel/legacy_serial.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch') diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 61dd17449dd..cf37f5ca4b7 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -136,6 +136,11 @@ static int __init add_legacy_soc_port(struct device_node *np, if (of_get_property(np, "clock-frequency", NULL) == NULL) return -1; + /* if reg-shift or offset, don't try to use it */ + if ((of_get_property(np, "reg-shift", NULL) != NULL) || + (of_get_property(np, "reg-offset", NULL) != NULL)) + return -1; + /* if rtas uses this device, don't try to use it as well */ if (of_get_property(np, "used-by-rtas", NULL) != NULL) return -1; -- cgit v1.2.3 From 18d76ac9a47742558bca3bbc2f7c41870ac744c8 Mon Sep 17 00:00:00 2001 From: Tim Yamin Date: Tue, 17 Jun 2008 09:33:14 +0100 Subject: powerpc/mpc5200: Fix lite5200b suspend/resume Suspend/resume ("echo mem > /sys/power/state") does not work with vanilla kernels -- the system does not suspend correctly and just hangs. This patch fixes this so suspend/resume works: 1) of_iomap does not map the whole 0xC000 of the MPC5200 immr so saving registers does not work. 2) PCI registers need to be saved and restored. Signed-off-by: Tim Yamin Signed-off-by: Grant Likely --- arch/powerpc/platforms/52xx/lite5200_pm.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c index 41c7fd91e99..fe92e65103e 100644 --- a/arch/powerpc/platforms/52xx/lite5200_pm.c +++ b/arch/powerpc/platforms/52xx/lite5200_pm.c @@ -14,6 +14,7 @@ static struct mpc52xx_sdma __iomem *bes; static struct mpc52xx_xlb __iomem *xlb; static struct mpc52xx_gpio __iomem *gps; static struct mpc52xx_gpio_wkup __iomem *gpw; +static void __iomem *pci; static void __iomem *sram; static const int sram_size = 0x4000; /* 16 kBytes */ static void __iomem *mbar; @@ -50,6 +51,8 @@ static int lite5200_pm_prepare(void) { .type = "builtin", .compatible = "mpc5200", }, /* efika */ {} }; + u64 regaddr64 = 0; + const u32 *regaddr_p; /* deep sleep? let mpc52xx code handle that */ if (lite5200_pm_target_state == PM_SUSPEND_STANDBY) @@ -60,8 +63,12 @@ static int lite5200_pm_prepare(void) /* map registers */ np = of_find_matching_node(NULL, immr_ids); - mbar = of_iomap(np, 0); + regaddr_p = of_get_address(np, 0, NULL, NULL); + if (regaddr_p) + regaddr64 = of_translate_address(np, regaddr_p); of_node_put(np); + + mbar = ioremap((u32) regaddr64, 0xC000); if (!mbar) { printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__); return -ENOSYS; @@ -71,6 +78,7 @@ static int lite5200_pm_prepare(void) pic = mbar + 0x500; gps = mbar + 0xb00; gpw = mbar + 0xc00; + pci = mbar + 0xd00; bes = mbar + 0x1200; xlb = mbar + 0x1f00; sram = mbar + 0x8000; @@ -85,6 +93,7 @@ static struct mpc52xx_sdma sbes; static struct mpc52xx_xlb sxlb; static struct mpc52xx_gpio sgps; static struct mpc52xx_gpio_wkup sgpw; +static char spci[0x200]; static void lite5200_save_regs(void) { @@ -94,6 +103,7 @@ static void lite5200_save_regs(void) _memcpy_fromio(&sxlb, xlb, sizeof(*xlb)); _memcpy_fromio(&sgps, gps, sizeof(*gps)); _memcpy_fromio(&sgpw, gpw, sizeof(*gpw)); + _memcpy_fromio(spci, pci, 0x200); _memcpy_fromio(saved_sram, sram, sram_size); } @@ -103,6 +113,8 @@ static void lite5200_restore_regs(void) int i; _memcpy_toio(sram, saved_sram, sram_size); + /* PCI Configuration */ + _memcpy_toio(pci, spci, 0x200); /* * GPIOs. Interrupt Master Enable has higher address then other -- cgit v1.2.3