[PATCH] ppc32: Simplified PPC core revision report
From: Kumar Gala <hidden>
Date: 2005-05-04 04:13:55
Also in:
lkml
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 <redacted> --- commit 1ecd8eef1f05b100f3933a7de25f88a3314b0a97 tree 739c8916a8f4edd214007de1dd8610d0e1c49235 parent cc75b79f8142eb8a50432cf612bb1ab189136cd0 author Kumar K. Gala [off-list ref] 1115174649 -0500 committer Kumar K. Gala [off-list ref] 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",