+ /*
+ * Allocate some space for the SDRAM address of the bootpg.
+ * This variable has to be in the boot page so that it can
+ * be accessed by secondary cores when they come out of reset.
+ */
+ .align L1_CACHE_SHIFT
+ .globl __bootpg_addr
+__bootpg_addr:
+ .long 0
+
+ .global __spin_table_addr
+__spin_table_addr:
+ .long 0
+
+ /*
+ * This variable is set by cpu_init_r() after parsing hwconfig
+ * to enable workaround for erratum NMG_CPU_A011.
+ */
+ .align L1_CACHE_SHIFT
+ .global enable_cpu_a011_workaround
+enable_cpu_a011_workaround:
+ .long 1
+
+ /* Fill in the empty space. The actual reset vector is
+ * the last word of the page */
+__secondary_start_code_end:
+ .space 4092 - (__secondary_start_code_end - __secondary_start_page)
+__secondary_reset_vector:
+ b __secondary_start_page
+
+
+/* this is a separated page for the spin table and cacheable boot code */
+ .align L1_CACHE_SHIFT
+ .global __second_half_boot_page
+__second_half_boot_page:
+#define EPAPR_MAGIC 0x45504150
+#define ENTRY_ADDR_UPPER 0
+#define ENTRY_ADDR_LOWER 4
+#define ENTRY_R3_UPPER 8
+#define ENTRY_R3_LOWER 12
+#define ENTRY_RESV 16
+#define ENTRY_PIR 20
+#define ENTRY_SIZE 64
+ /*
+ * setup the entry
+ * r10 has the base address of the spin table.
+ * spin table is defined as
+ * struct {
+ * uint64_t entry_addr;
+ * uint64_t r3;
+ * uint32_t rsvd1;
+ * uint32_t pir;
+ * };
+ * we pad this struct to 64 bytes so each entry is in its own cacheline
+ */
+ li r3,0
+ li r8,1
+ mfspr r4,SPRN_PIR
+ stw r3,ENTRY_ADDR_UPPER(r10)
+ stw r3,ENTRY_R3_UPPER(r10)
+ stw r4,ENTRY_R3_LOWER(r10)
+ stw r3,ENTRY_RESV(r10)
+ stw r4,ENTRY_PIR(r10)
+ msync
+ stw r8,ENTRY_ADDR_LOWER(r10)
+