diff options
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 67 |
1 files changed, 42 insertions, 25 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 4fb5938ce6d3..d6047c441034 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -635,6 +635,12 @@ static void __init early_cmdline_parse(void) /* ibm,dynamic-reconfiguration-memory property supported */ #define OV5_DRCONF_MEMORY 0x20 #define OV5_LARGE_PAGES 0x10 /* large pages supported */ +/* PCIe/MSI support. Without MSI full PCIe is not supported */ +#ifdef CONFIG_PCI_MSI +#define OV5_MSI 0x01 /* PCIe/MSI support */ +#else +#define OV5_MSI 0x00 +#endif /* CONFIG_PCI_MSI */ /* * The architecture vector has an array of PVR mask/value pairs, @@ -679,7 +685,7 @@ static unsigned char ibm_architecture_vec[] = { /* option vector 5: PAPR/OF options */ 3 - 2, /* length */ 0, /* don't ignore, don't halt */ - OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY, + OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_MSI, }; /* Old method - ELF header with PT_NOTE sections */ @@ -967,7 +973,7 @@ static unsigned long __init prom_next_cell(int s, cell_t **cellp) * If problems seem to show up, it would be a good start to track * them down. */ -static void reserve_mem(u64 base, u64 size) +static void __init reserve_mem(u64 base, u64 size) { u64 top = base + size; unsigned long cnt = RELOC(mem_reserve_cnt); @@ -2035,39 +2041,50 @@ static void __init fixup_device_tree_maple(void) #endif #ifdef CONFIG_PPC_CHRP -/* Pegasos and BriQ lacks the "ranges" property in the isa node */ +/* + * Pegasos and BriQ lacks the "ranges" property in the isa node + * Pegasos needs decimal IRQ 14/15, not hexadecimal + */ static void __init fixup_device_tree_chrp(void) { - phandle isa; - u32 isa_ranges[6]; + phandle ph; + u32 prop[6]; u32 rloc = 0x01006000; /* IO space; PCI device = 12 */ char *name; int rc; name = "/pci@80000000/isa@c"; - isa = call_prom("finddevice", 1, 1, ADDR(name)); - if (!PHANDLE_VALID(isa)) { + ph = call_prom("finddevice", 1, 1, ADDR(name)); + if (!PHANDLE_VALID(ph)) { name = "/pci@ff500000/isa@6"; - isa = call_prom("finddevice", 1, 1, ADDR(name)); + ph = call_prom("finddevice", 1, 1, ADDR(name)); rloc = 0x01003000; /* IO space; PCI device = 6 */ } - if (!PHANDLE_VALID(isa)) - return; - - rc = prom_getproplen(isa, "ranges"); - if (rc != 0 && rc != PROM_ERROR) - return; - - prom_printf("Fixing up missing ISA range on Pegasos...\n"); + if (PHANDLE_VALID(ph)) { + rc = prom_getproplen(ph, "ranges"); + if (rc == 0 || rc == PROM_ERROR) { + prom_printf("Fixing up missing ISA range on Pegasos...\n"); + + prop[0] = 0x1; + prop[1] = 0x0; + prop[2] = rloc; + prop[3] = 0x0; + prop[4] = 0x0; + prop[5] = 0x00010000; + prom_setprop(ph, name, "ranges", prop, sizeof(prop)); + } + } - isa_ranges[0] = 0x1; - isa_ranges[1] = 0x0; - isa_ranges[2] = rloc; - isa_ranges[3] = 0x0; - isa_ranges[4] = 0x0; - isa_ranges[5] = 0x00010000; - prom_setprop(isa, name, "ranges", - isa_ranges, sizeof(isa_ranges)); + name = "/pci@80000000/ide@C,1"; + ph = call_prom("finddevice", 1, 1, ADDR(name)); + if (PHANDLE_VALID(ph)) { + prom_printf("Fixing up IDE interrupt on Pegasos...\n"); + prop[0] = 14; + prop[1] = 0x0; + prop[2] = 15; + prop[3] = 0x0; + prom_setprop(ph, name, "interrupts", prop, 4*sizeof(u32)); + } } #else #define fixup_device_tree_chrp() @@ -2142,7 +2159,7 @@ static void __init fixup_device_tree_efika(void) 3,12,0, 3,13,0, 3,14,0, 3,15,0 }; struct subst_entry efika_subst_table[] = { { "/", "device_type", prop_cstr("efika") }, - { "/builtin", "compatible", prop_cstr("soc") }, + { "/builtin", "device_type", prop_cstr("soc") }, { "/builtin/ata", "compatible", prop_cstr("mpc5200b-ata\0mpc5200-ata"), }, { "/builtin/bestcomm", "compatible", prop_cstr("mpc5200b-bestcomm\0mpc5200-bestcomm") }, { "/builtin/bestcomm", "interrupts", prop_bcomm_irq, sizeof(prop_bcomm_irq) }, |