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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-19 17:40:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-19 17:40:40 -0700 |
| commit | 773d7a09e1a1349a5319ac8665e9c612c6aa27d8 (patch) | |
| tree | 3b2272bb3cfcab04ba6459cba116e577278c9392 /arch/powerpc/platforms/86xx | |
| parent | 17fad5209e6b55148dbd20156cdaf2c7e67faa40 (diff) | |
| parent | b71a107c66ad952c9d35ec046a803efc89a80556 (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (35 commits)
powerpc/5121: make clock debug output more readable
powerpc/5xxx: Add common mpc5xxx_get_bus_frequency() function
powerpc/5200: Update pcm030.dts to add i2c eeprom and delete cruft
powerpc/5200: convert mpc52xx_psc_spi to use cs_control callback
fbdev/xilinxfb: Fix improper casting and tighen up probe path
usb/ps3: Add missing annotations
powerpc: Add memory clobber to mtspr()
powerpc: Fix invalid construct in our CPU selection Kconfig
ps3rom: Use ps3_system_bus_[gs]et_drvdata() instead of direct access
powerpc: Add configurable -Werror for arch/powerpc
of_serial: Add UPF_FIXED_TYPE flag
drivers/hvc: Add missing __devexit_p()
net/ps3: gelic - Add missing annotations
powerpc: Introduce macro spin_event_timeout()
powerpc/warp: Fix ISA_DMA_THRESHOLD default
powerpc/bootwrapper: Custom build options for XPedite52xx targets
powerpc/85xx: Add defconfig for X-ES MPC85xx boards
powerpc/85xx: Add dts files for X-ES MPC85xx boards
powerpc/85xx: Add platform support for X-ES MPC85xx boards
83xx: add support for the kmeter1 board.
...
Diffstat (limited to 'arch/powerpc/platforms/86xx')
| -rw-r--r-- | arch/powerpc/platforms/86xx/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 15 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index fdaf4ddaa95..9c7b64a3402 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -15,6 +15,7 @@ config MPC8641_HPCN select DEFAULT_UIMAGE select FSL_ULI1575 select HAS_RAPIDIO + select SWIOTLB help This option enables support for the MPC8641 HPCN board. diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 7e9e83c04a8..66327024a6a 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/of_platform.h> +#include <linux/lmb.h> #include <asm/system.h> #include <asm/time.h> @@ -27,6 +28,7 @@ #include <asm/prom.h> #include <mm/mmu_decl.h> #include <asm/udbg.h> +#include <asm/swiotlb.h> #include <asm/mpic.h> @@ -70,7 +72,9 @@ mpc86xx_hpcn_setup_arch(void) { #ifdef CONFIG_PCI struct device_node *np; + struct pci_controller *hose; #endif + dma_addr_t max = 0xffffffff; if (ppc_md.progress) ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0); @@ -83,6 +87,9 @@ mpc86xx_hpcn_setup_arch(void) fsl_add_bridge(np, 1); else fsl_add_bridge(np, 0); + hose = pci_find_hose_for_OF_device(np); + max = min(max, hose->dma_window_base_cur + + hose->dma_window_size); } ppc_md.pci_exclude_device = mpc86xx_exclude_device; @@ -94,6 +101,13 @@ mpc86xx_hpcn_setup_arch(void) #ifdef CONFIG_SMP mpc86xx_smp_init(); #endif + +#ifdef CONFIG_SWIOTLB + if (lmb_end_of_DRAM() > max) { + ppc_swiotlb_enable = 1; + set_pci_dma_ops(&swiotlb_pci_dma_ops); + } +#endif } @@ -158,6 +172,7 @@ static int __init declare_of_platform_devices(void) return 0; } machine_device_initcall(mpc86xx_hpcn, declare_of_platform_devices); +machine_arch_initcall(mpc86xx_hpcn, swiotlb_setup_bus_notifier); define_machine(mpc86xx_hpcn) { .name = "MPC86xx HPCN", |