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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:03:21 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:04:25 +0100
commitffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch)
treef601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /arch/powerpc/kernel/prom_init.c
parente2d3a35ee427aaba99b6c68a56609ce276c51270 (diff)
parent4a8e43feeac7996b8de2d5b2823e316917493df4 (diff)
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09 Conflicts: MAINTAINERS arch/arm/configs/bcmring_defconfig arch/arm/mach-imx/clk-imx51-imx53.c drivers/mtd/nand/Kconfig drivers/mtd/nand/bcm_umi_nand.c drivers/mtd/nand/nand_bcm_umi.h drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
-rw-r--r--arch/powerpc/kernel/prom_init.c68
1 files changed, 65 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 0794a3017b1b..cb6c123722a2 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -705,6 +705,7 @@ static void __init early_cmdline_parse(void)
#endif
#define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */
#define OV5_PFO_HW_RNG 0x80 /* PFO Random Number Generator */
+#define OV5_PFO_HW_842 0x40 /* PFO Compression Accelerator */
#define OV5_PFO_HW_ENCR 0x20 /* PFO Encryption Accelerator */
/* Option Vector 6: IBM PAPR hints */
@@ -774,8 +775,7 @@ static unsigned char ibm_architecture_vec[] = {
0,
0,
0,
- OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR,
-
+ OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR | OV5_PFO_HW_842,
/* option vector 6: IBM PAPR hints */
4 - 2, /* length */
0,
@@ -1624,6 +1624,63 @@ static void __init prom_instantiate_rtas(void)
#ifdef CONFIG_PPC64
/*
+ * Allocate room for and instantiate Stored Measurement Log (SML)
+ */
+static void __init prom_instantiate_sml(void)
+{
+ phandle ibmvtpm_node;
+ ihandle ibmvtpm_inst;
+ u32 entry = 0, size = 0;
+ u64 base;
+
+ prom_debug("prom_instantiate_sml: start...\n");
+
+ ibmvtpm_node = call_prom("finddevice", 1, 1, ADDR("/ibm,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"));
+ 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;
+ }
+
+ base = alloc_down(size, PAGE_SIZE, 0);
+ if (base == 0)
+ prom_panic("Could not allocate memory for sml\n");
+
+ prom_printf("instantiating sml at 0x%x...", base);
+
+ if (call_prom_ret("call-method", 4, 2, &entry,
+ ADDR("sml-handover"),
+ ibmvtpm_inst, size, base) != 0 || entry == 0) {
+ prom_printf("SML handover failed\n");
+ return;
+ }
+ prom_printf(" done\n");
+
+ reserve_mem(base, size);
+
+ prom_setprop(ibmvtpm_node, "/ibm,vtpm", "linux,sml-base",
+ &base, sizeof(base));
+ prom_setprop(ibmvtpm_node, "/ibm,vtpm", "linux,sml-size",
+ &size, sizeof(size));
+
+ prom_debug("sml base = 0x%x\n", base);
+ prom_debug("sml size = 0x%x\n", (long)size);
+
+ prom_debug("prom_instantiate_sml: end...\n");
+}
+
+/*
* Allocate room for and initialize TCE tables
*/
static void __init prom_initialize_tce_table(void)
@@ -1691,7 +1748,7 @@ static void __init prom_initialize_tce_table(void)
* else will impact performance, so we always allocate 8MB.
* Anton
*/
- if (__is_processor(PV_POWER4) || __is_processor(PV_POWER4p))
+ if (pvr_version_is(PVR_POWER4) || pvr_version_is(PVR_POWER4p))
minsize = 8UL << 20;
else
minsize = 4UL << 20;
@@ -2916,6 +2973,11 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
prom_instantiate_opal();
#endif
+#ifdef CONFIG_PPC64
+ /* instantiate sml */
+ prom_instantiate_sml();
+#endif
+
/*
* On non-powermacs, put all CPUs in spin-loops.
*