diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx/corenet_generic.c')
-rw-r--r-- | arch/powerpc/platforms/85xx/corenet_generic.c | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c index 5db1e117fdde..e56b89a792ed 100644 --- a/arch/powerpc/platforms/85xx/corenet_generic.c +++ b/arch/powerpc/platforms/85xx/corenet_generic.c @@ -20,6 +20,7 @@ #include <asm/time.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> +#include <asm/pgtable.h> #include <asm/ppc-pci.h> #include <mm/mmu_decl.h> #include <asm/prom.h> @@ -67,6 +68,16 @@ void __init corenet_gen_setup_arch(void) swiotlb_detect_4g(); +#if defined(CONFIG_FSL_PCI) && defined(CONFIG_ZONE_DMA32) + /* + * Inbound windows don't cover the full lower 4 GiB + * due to conflicts with PCICSRBAR and outbound windows, + * so limit the DMA32 zone to 2 GiB, to allow consistent + * allocations to succeed. + */ + limit_zone_pfn(ZONE_DMA32, 1UL << (31 - PAGE_SHIFT)); +#endif + pr_info("%s board\n", ppc_md.name); mpc85xx_qe_init(); @@ -119,38 +130,31 @@ static const char * const boards[] __initconst = { "fsl,P4080DS", "fsl,P5020DS", "fsl,P5040DS", + "fsl,T2080QDS", + "fsl,T2080RDB", + "fsl,T2081QDS", "fsl,T4240QDS", + "fsl,T4240RDB", "fsl,B4860QDS", "fsl,B4420QDS", "fsl,B4220QDS", "fsl,T1040QDS", "fsl,T1042QDS", + "fsl,T1040RDB", + "fsl,T1042RDB", + "fsl,T1042RDB_PI", "keymile,kmcoge4", NULL }; -static const char * const hv_boards[] __initconst = { - "fsl,P2041RDB-hv", - "fsl,P3041DS-hv", - "fsl,OCA4080-hv", - "fsl,P4080DS-hv", - "fsl,P5020DS-hv", - "fsl,P5040DS-hv", - "fsl,T4240QDS-hv", - "fsl,B4860QDS-hv", - "fsl,B4420QDS-hv", - "fsl,B4220QDS-hv", - "fsl,T1040QDS-hv", - "fsl,T1042QDS-hv", - NULL -}; - /* * Called very early, device-tree isn't unflattened */ static int __init corenet_generic_probe(void) { unsigned long root = of_get_flat_dt_root(); + char hv_compat[24]; + int i; #ifdef CONFIG_SMP extern struct smp_ops_t smp_85xx_ops; #endif @@ -159,21 +163,26 @@ static int __init corenet_generic_probe(void) return 1; /* Check if we're running under the Freescale hypervisor */ - if (of_flat_dt_match(root, hv_boards)) { - ppc_md.init_IRQ = ehv_pic_init; - ppc_md.get_irq = ehv_pic_get_irq; - ppc_md.restart = fsl_hv_restart; - ppc_md.power_off = fsl_hv_halt; - ppc_md.halt = fsl_hv_halt; + for (i = 0; boards[i]; i++) { + snprintf(hv_compat, sizeof(hv_compat), "%s-hv", boards[i]); + if (of_flat_dt_is_compatible(root, hv_compat)) { + ppc_md.init_IRQ = ehv_pic_init; + + ppc_md.get_irq = ehv_pic_get_irq; + ppc_md.restart = fsl_hv_restart; + ppc_md.power_off = fsl_hv_halt; + ppc_md.halt = fsl_hv_halt; #ifdef CONFIG_SMP - /* - * Disable the timebase sync operations because we can't write - * to the timebase registers under the hypervisor. - */ - smp_85xx_ops.give_timebase = NULL; - smp_85xx_ops.take_timebase = NULL; + /* + * Disable the timebase sync operations because we + * can't write to the timebase registers under the + * hypervisor. + */ + smp_85xx_ops.give_timebase = NULL; + smp_85xx_ops.take_timebase = NULL; #endif - return 1; + return 1; + } } return 0; |