ppc/p4080: CoreNet platfrom style CCSRBAR setting

On CoreNet based platforms the CCSRBAR address is split between an high &
low register and we no longer shift the address.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Scott Wood <scottwood@freescale.com>

diff --git a/cpu/mpc85xx/cpu_init_early.c b/cpu/mpc85xx/cpu_init_early.c
index 7886f86..32aa94b 100644 (file)
--- a/cpu/mpc85xx/cpu_init_early.c
+++ b/cpu/mpc85xx/cpu_init_early.c
@@ -24,6 +24,51 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR_PHYS)
+#ifdef CONFIG_FSL_CORENET
+static void setup_ccsrbar(void)
+{
+       u32 temp;
+       volatile u32 *ccsr_virt = (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000);
+       volatile ccsr_local_t *ccm;
+
+       /*
+        * We can't call set_law() because we haven't moved
+        * CCSR yet.
+        */
+       ccm = (void *)ccsr_virt;
+
+       out_be32(&ccm->law[0].lawbarh,
+               (u64)CONFIG_SYS_CCSRBAR_PHYS >> 32);
+       out_be32(&ccm->law[0].lawbarl, (u32)CONFIG_SYS_CCSRBAR_PHYS);
+       out_be32(&ccm->law[0].lawar,
+               LAW_EN | (0x1e << 20) | LAW_SIZE_4K);
+
+       in_be32((u32 *)(ccsr_virt + 0));
+       in_be32((u32 *)(ccsr_virt + 1));
+       isync();
+
+       ccm = (void *)CONFIG_SYS_CCSRBAR;
+       /* Now use the temporary LAW to move CCSR */
+       out_be32(&ccm->ccsrbarh, (u64)CONFIG_SYS_CCSRBAR_PHYS >> 32);
+       out_be32(&ccm->ccsrbarl, (u32)CONFIG_SYS_CCSRBAR_PHYS);
+       out_be32(&ccm->ccsrar, CCSRAR_C);
+       temp = in_be32(&ccm->ccsrar);
+       disable_law(0);
+}
+#else
+static void setup_ccsrbar(void)
+{
+       u32 temp;
+       volatile u32 *ccsr_virt = (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000);
+
+       temp = in_be32(ccsr_virt);
+       out_be32(ccsr_virt, CONFIG_SYS_CCSRBAR_PHYS >> 12);
+       temp = in_be32((volatile u32 *)CONFIG_SYS_CCSRBAR);
+}
+#endif
+#endif
+
 /* We run cpu_init_early_f in AS = 1 */
 void cpu_init_early_f(void)
 {
@@ -50,24 +95,15 @@ void cpu_init_early_f(void)
 
        /* set up CCSR if we want it moved */
 #if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR_PHYS)
-       {
-               u32 temp;
-               volatile u32 *ccsr_virt =
-                       (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000);
-
-               mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(1);
-               /* mas1 is the same as above */
-               mas2 = FSL_BOOKE_MAS2((u32)ccsr_virt, MAS2_I|MAS2_G);
-               mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0,
-                                               MAS3_SW|MAS3_SR);
-               mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_DEFAULT);
-
-               write_tlb(mas0, mas1, mas2, mas3, mas7);
-
-               temp = in_be32(ccsr_virt);
-               out_be32(ccsr_virt, CONFIG_SYS_CCSRBAR_PHYS >> 12);
-               temp = in_be32((volatile u32 *)CONFIG_SYS_CCSRBAR);
-       }
+       mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(1);
+       /* mas1 is the same as above */
+       mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR + 0x1000, MAS2_I|MAS2_G);
+       mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0, MAS3_SW|MAS3_SR);
+       mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_DEFAULT);
+
+       write_tlb(mas0, mas1, mas2, mas3, mas7);
+
+       setup_ccsrbar();
 #endif
 
        init_laws();