summaryrefslogtreecommitdiff
path: root/cpu/mcf52x2/speed.c
diff options
context:
space:
mode:
authorMatthew Fettke <[matthew.fettke@gmail.com]>2008-02-04 15:38:20 -0600
committerJohn Rigby <jrigby@freescale.com>2008-03-31 15:09:08 -0600
commitf71d9d91a2cd9c30b2b6369f15c1a46c11537c2b (patch)
treece257bd89e793dd65e3ab2dddb37bf27e24fa191 /cpu/mcf52x2/speed.c
parent44e5b9edab077aba6e9b849afa4b7fbd8fd7b02b (diff)
downloadu-boot-imx-f71d9d91a2cd9c30b2b6369f15c1a46c11537c2b.zip
u-boot-imx-f71d9d91a2cd9c30b2b6369f15c1a46c11537c2b.tar.gz
u-boot-imx-f71d9d91a2cd9c30b2b6369f15c1a46c11537c2b.tar.bz2
ColdFire: Added MCF5275 cpu support.
Signed-off-by: Matthew Fettke <mfettke@videon-central.com> Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com> Acked-by: John Rigby <jrigby@freescale.com>
Diffstat (limited to 'cpu/mcf52x2/speed.c')
-rw-r--r--cpu/mcf52x2/speed.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/cpu/mcf52x2/speed.c b/cpu/mcf52x2/speed.c
index bc1e200..85a5c4d 100644
--- a/cpu/mcf52x2/speed.c
+++ b/cpu/mcf52x2/speed.c
@@ -64,8 +64,18 @@ int get_clocks (void)
#endif /* CONFIG_M5249 || CONFIG_M5253 */
+#if defined(CONFIG_M5275)
+ volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL);
+
+ /* Setup PLL */
+ pll->syncr = 0x01080000;
+ while (!(pll->synsr & FMPLL_SYNSR_LOCK));
+ pll->syncr = 0x01000000;
+ while (!(pll->synsr & FMPLL_SYNSR_LOCK));
+#endif
+
gd->cpu_clk = CFG_CLK;
-#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253) || defined(CONFIG_M5275)
gd->bus_clk = gd->cpu_clk / 2;
#else
gd->bus_clk = gd->cpu_clk;