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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 13:14:33 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 13:14:33 +1100
commitc1075fb7ec62b7ac0ac6baee2ceeb77270206aef (patch)
treecad7eac9f6755e7d73f07ae034db3bdb97d4b3cf /arch
parentdfe218b7ef0c1d561a0d5ce294c173f1551985ff (diff)
parent51d9861e9e09c5c0066e5e5d9bb0009be1957899 (diff)
Merge commit 'gcl/gcl-next'
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/boot/cuboot-52xx.c4
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_common.c7
2 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/boot/cuboot-52xx.c b/arch/powerpc/boot/cuboot-52xx.c
index a8611546a65..4c42ec8687b 100644
--- a/arch/powerpc/boot/cuboot-52xx.c
+++ b/arch/powerpc/boot/cuboot-52xx.c
@@ -37,6 +37,10 @@ static void platform_fixups(void)
* this can do a simple path lookup.
*/
soc = find_node_by_devtype(NULL, "soc");
+ if (!soc)
+ soc = find_node_by_compatible(NULL, "fsl,mpc5200-immr");
+ if (!soc)
+ soc = find_node_by_compatible(NULL, "fsl,mpc5200b-immr");
if (soc) {
setprop(soc, "bus-frequency", &bd.bi_ipbfreq,
sizeof(bd.bi_ipbfreq));
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 044b4e6e874..ae7c34f37e1 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -99,11 +99,14 @@ mpc5200_setup_xlb_arbiter(void)
out_be32(&xlb->master_pri_enable, 0xff);
out_be32(&xlb->master_priority, 0x11111111);
- /* Disable XLB pipelining
+ /*
+ * Disable XLB pipelining
* (cfr errate 292. We could do this only just before ATA PIO
* transaction and re-enable it afterwards ...)
+ * Not needed on MPC5200B.
*/
- out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
+ if ((mfspr(SPRN_SVR) & MPC5200_SVR_MASK) == MPC5200_SVR)
+ out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
iounmap(xlb);
}