diff options
Diffstat (limited to 'kernel/arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | kernel/arch/powerpc/kernel/prom_init.c | 66 |
1 files changed, 47 insertions, 19 deletions
diff --git a/kernel/arch/powerpc/kernel/prom_init.c b/kernel/arch/powerpc/kernel/prom_init.c index fd1fe4c37..92dea8df6 100644 --- a/kernel/arch/powerpc/kernel/prom_init.c +++ b/kernel/arch/powerpc/kernel/prom_init.c @@ -37,7 +37,6 @@ #include <asm/smp.h> #include <asm/mmu.h> #include <asm/pgtable.h> -#include <asm/pci.h> #include <asm/iommu.h> #include <asm/btext.h> #include <asm/sections.h> @@ -642,6 +641,15 @@ static void __init early_cmdline_parse(void) #define W(x) ((x) >> 24) & 0xff, ((x) >> 16) & 0xff, \ ((x) >> 8) & 0xff, (x) & 0xff +/* Firmware expects the value to be n - 1, where n is the # of vectors */ +#define NUM_VECTORS(n) ((n) - 1) + +/* + * Firmware expects 1 + n - 2, where n is the length of the option vector in + * bytes. The 1 accounts for the length byte itself, the - 2 .. ? + */ +#define VECTOR_LENGTH(n) (1 + (n) - 2) + unsigned char ibm_architecture_vec[] = { W(0xfffe0000), W(0x003a0000), /* POWER5/POWER5+ */ W(0xffff0000), W(0x003e0000), /* POWER6 */ @@ -652,16 +660,16 @@ unsigned char ibm_architecture_vec[] = { W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */ W(0xffffffff), W(0x0f000002), /* all 2.05-compliant */ W(0xfffffffe), W(0x0f000001), /* all 2.04-compliant and earlier */ - 6 - 1, /* 6 option vectors */ + NUM_VECTORS(6), /* 6 option vectors */ /* option vector 1: processor architectures supported */ - 3 - 2, /* length */ + VECTOR_LENGTH(2), /* length */ 0, /* don't ignore, don't halt */ OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 | OV1_PPC_2_04 | OV1_PPC_2_05 | OV1_PPC_2_06 | OV1_PPC_2_07, /* option vector 2: Open Firmware options supported */ - 34 - 2, /* length */ + VECTOR_LENGTH(33), /* length */ OV2_REAL_MODE, 0, 0, W(0xffffffff), /* real_base */ @@ -675,17 +683,17 @@ unsigned char ibm_architecture_vec[] = { 48, /* max log_2(hash table size) */ /* option vector 3: processor options supported */ - 3 - 2, /* length */ + VECTOR_LENGTH(2), /* length */ 0, /* don't ignore, don't halt */ OV3_FP | OV3_VMX | OV3_DFP, /* option vector 4: IBM PAPR implementation */ - 3 - 2, /* length */ + VECTOR_LENGTH(2), /* length */ 0, /* don't halt */ OV4_MIN_ENT_CAP, /* minimum VP entitled capacity */ /* option vector 5: PAPR/OF options */ - 19 - 2, /* length */ + VECTOR_LENGTH(18), /* length */ 0, /* don't ignore, don't halt */ OV5_FEAT(OV5_LPAR) | OV5_FEAT(OV5_SPLPAR) | OV5_FEAT(OV5_LARGE_PAGES) | OV5_FEAT(OV5_DRCONF_MEMORY) | OV5_FEAT(OV5_DONATE_DEDICATE_CPU) | @@ -718,12 +726,12 @@ unsigned char ibm_architecture_vec[] = { OV5_FEAT(OV5_PFO_HW_RNG) | OV5_FEAT(OV5_PFO_HW_ENCR) | OV5_FEAT(OV5_PFO_HW_842), OV5_FEAT(OV5_SUB_PROCESSORS), + /* option vector 6: IBM PAPR hints */ - 4 - 2, /* length */ + VECTOR_LENGTH(3), /* length */ 0, 0, OV6_LINUX, - }; /* Old method - ELF header with PT_NOTE sections only works on BE */ @@ -1417,27 +1425,45 @@ static void __init prom_instantiate_sml(void) { phandle ibmvtpm_node; ihandle ibmvtpm_inst; - u32 entry = 0, size = 0; + u32 entry = 0, size = 0, succ = 0; u64 base; + __be32 val; prom_debug("prom_instantiate_sml: start...\n"); - ibmvtpm_node = call_prom("finddevice", 1, 1, ADDR("/ibm,vtpm")); + ibmvtpm_node = call_prom("finddevice", 1, 1, ADDR("/vdevice/vtpm")); prom_debug("ibmvtpm_node: %x\n", ibmvtpm_node); if (!PHANDLE_VALID(ibmvtpm_node)) return; - ibmvtpm_inst = call_prom("open", 1, 1, ADDR("/ibm,vtpm")); + ibmvtpm_inst = call_prom("open", 1, 1, ADDR("/vdevice/vtpm")); if (!IHANDLE_VALID(ibmvtpm_inst)) { prom_printf("opening vtpm package failed (%x)\n", ibmvtpm_inst); return; } - if (call_prom_ret("call-method", 2, 2, &size, - ADDR("sml-get-handover-size"), - ibmvtpm_inst) != 0 || size == 0) { - prom_printf("SML get handover size failed\n"); - return; + if (prom_getprop(ibmvtpm_node, "ibm,sml-efi-reformat-supported", + &val, sizeof(val)) != PROM_ERROR) { + if (call_prom_ret("call-method", 2, 2, &succ, + ADDR("reformat-sml-to-efi-alignment"), + ibmvtpm_inst) != 0 || succ == 0) { + prom_printf("Reformat SML to EFI alignment failed\n"); + return; + } + + if (call_prom_ret("call-method", 2, 2, &size, + ADDR("sml-get-allocated-size"), + ibmvtpm_inst) != 0 || size == 0) { + prom_printf("SML get allocated size failed\n"); + return; + } + } else { + if (call_prom_ret("call-method", 2, 2, &size, + ADDR("sml-get-handover-size"), + ibmvtpm_inst) != 0 || size == 0) { + prom_printf("SML get handover size failed\n"); + return; + } } base = alloc_down(size, PAGE_SIZE, 0); @@ -1446,6 +1472,8 @@ static void __init prom_instantiate_sml(void) prom_printf("instantiating sml at 0x%x...", base); + memset((void *)base, 0, size); + if (call_prom_ret("call-method", 4, 2, &entry, ADDR("sml-handover"), ibmvtpm_inst, size, base) != 0 || entry == 0) { @@ -1456,9 +1484,9 @@ static void __init prom_instantiate_sml(void) reserve_mem(base, size); - prom_setprop(ibmvtpm_node, "/ibm,vtpm", "linux,sml-base", + prom_setprop(ibmvtpm_node, "/vdevice/vtpm", "linux,sml-base", &base, sizeof(base)); - prom_setprop(ibmvtpm_node, "/ibm,vtpm", "linux,sml-size", + prom_setprop(ibmvtpm_node, "/vdevice/vtpm", "linux,sml-size", &size, sizeof(size)); prom_debug("sml base = 0x%x\n", base); |