We can identify new Freescale PPC cores by the fact that the MSB of the PVR is
set. If we are a new Freescale core the decode of major/minor revision numbers
is simplified so we dont have to add new case checks for a every new Freescale
core.
Signed-off-by: Kumar Gala <[email protected]>
---
commit 1ecd8eef1f05b100f3933a7de25f88a3314b0a97
tree 739c8916a8f4edd214007de1dd8610d0e1c49235
parent cc75b79f8142eb8a50432cf612bb1ab189136cd0
author Kumar K. Gala <[email protected]> 1115174649 -0500
committer Kumar K. Gala <[email protected]> 1115174649 -0500
Index: arch/ppc/kernel/setup.c
===================================================================
--- 79fd2184cd5cfee440f3ca2952f7c9f834ece443/arch/ppc/kernel/setup.c (mode:100644 sha1:e97ce635b99e6d84640457c775c77d7eb49f4efb)
+++ 739c8916a8f4edd214007de1dd8610d0e1c49235/arch/ppc/kernel/setup.c (mode:100644 sha1:5dfb42f1a1529d561bf73b5b5c1411a3e51f6402)
@@ -221,27 +221,26 @@
return err;
}
- switch (PVR_VER(pvr)) {
- case 0x0020: /* 403 family */
- maj = PVR_MAJ(pvr) + 1;
- min = PVR_MIN(pvr);
- break;
- case 0x1008: /* 740P/750P ?? */
- maj = ((pvr >> 8) & 0xFF) - 1;
- min = pvr & 0xFF;
- break;
- case 0x8083: /* e300 */
- maj = PVR_MAJ(pvr);
- min = PVR_MIN(pvr);
- break;
- case 0x8020: /* e500 */
+ /* If we are a Freescale core do a simple check so
+ * we dont have to keep adding cases in the future */
+ if ((PVR_VER(pvr) & 0x8000) == 0x8000) {
maj = PVR_MAJ(pvr);
min = PVR_MIN(pvr);
- break;
- default:
- maj = (pvr >> 8) & 0xFF;
- min = pvr & 0xFF;
- break;
+ } else {
+ switch (PVR_VER(pvr)) {
+ case 0x0020: /* 403 family */
+ maj = PVR_MAJ(pvr) + 1;
+ min = PVR_MIN(pvr);
+ break;
+ case 0x1008: /* 740P/750P ?? */
+ maj = ((pvr >> 8) & 0xFF) - 1;
+ min = pvr & 0xFF;
+ break;
+ default:
+ maj = (pvr >> 8) & 0xFF;
+ min = pvr & 0xFF;
+ break;
+ }
}
seq_printf(m, "revision\t: %hd.%hd (pvr %04x %04x)\n",