diff options
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/Kconfig | 6 | ||||
| -rw-r--r-- | arch/ppc/kernel/smp.c | 4 | ||||
| -rw-r--r-- | arch/ppc/platforms/85xx/mpc85xx_cds_common.c | 3 | ||||
| -rw-r--r-- | arch/ppc/platforms/pmac_feature.c | 20 | ||||
| -rw-r--r-- | arch/ppc/syslib/ppc4xx_dma.c | 1 |
5 files changed, 25 insertions, 9 deletions
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index 8fa51b0a32d..cc3f64c084c 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -767,14 +767,14 @@ config CPM2 on it (826x, 827x, 8560). config PPC_CHRP - bool " Common Hardware Reference Platform (CHRP) based machines" + bool depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI default y config PPC_PMAC - bool " Apple PowerMac based machines" + bool depends on PPC_MULTIPLATFORM select PPC_INDIRECT_PCI default y @@ -785,7 +785,7 @@ config PPC_PMAC64 default y config PPC_PREP - bool " PowerPC Reference Platform (PReP) based machines" + bool depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index 43b8fc2ca59..becbfa39755 100644 --- a/arch/ppc/kernel/smp.c +++ b/arch/ppc/kernel/smp.c @@ -301,6 +301,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* Probe platform for CPUs: always linear. */ num_cpus = smp_ops->probe(); + + if (num_cpus < 2) + smp_tb_synchronized = 1; + for (i = 0; i < num_cpus; ++i) cpu_set(i, cpu_possible_map); diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c index d8991b88dc9..5e8cc5ec6ab 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -130,10 +130,11 @@ mpc85xx_cds_show_cpuinfo(struct seq_file *m) } #ifdef CONFIG_CPM2 -static void cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs) { while((irq = cpm2_get_irq(regs)) >= 0) __do_IRQ(irq, regs); + return IRQ_HANDLED; } static struct irqaction cpm2_irqaction = { diff --git a/arch/ppc/platforms/pmac_feature.c b/arch/ppc/platforms/pmac_feature.c index 1e69b059316..6b7b3a15063 100644 --- a/arch/ppc/platforms/pmac_feature.c +++ b/arch/ppc/platforms/pmac_feature.c @@ -1606,11 +1606,19 @@ void pmac_tweak_clock_spreading(int enable) */ if (macio->type == macio_intrepid) { - if (enable) - UN_OUT(UNI_N_CLOCK_SPREADING, 2); - else - UN_OUT(UNI_N_CLOCK_SPREADING, 0); - mdelay(40); + struct device_node *clock = + of_find_node_by_path("/uni-n@f8000000/hw-clock"); + if (clock && get_property(clock, "platform-do-clockspreading", + NULL)) { + printk(KERN_INFO "%sabling clock spreading on Intrepid" + " ASIC\n", enable ? "En" : "Dis"); + if (enable) + UN_OUT(UNI_N_CLOCK_SPREADING, 2); + else + UN_OUT(UNI_N_CLOCK_SPREADING, 0); + mdelay(40); + } + of_node_put(clock); } while (machine_is_compatible("PowerBook5,2") || @@ -1680,6 +1688,8 @@ void pmac_tweak_clock_spreading(int enable) pmac_low_i2c_close(ui2c); break; } + printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n", + enable ? "En" : "Dis"); pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub); rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9); DBG("write result: %d,", rc); diff --git a/arch/ppc/syslib/ppc4xx_dma.c b/arch/ppc/syslib/ppc4xx_dma.c index f15e64285f9..05ccd598dd4 100644 --- a/arch/ppc/syslib/ppc4xx_dma.c +++ b/arch/ppc/syslib/ppc4xx_dma.c @@ -30,6 +30,7 @@ #include <asm/system.h> #include <asm/io.h> +#include <asm/dma.h> #include <asm/ppc4xx_dma.h> ppc_dma_ch_t dma_channels[MAX_PPC4xx_DMA_CHANNELS]; |