[U-Boot] [RFC][PATCH 14/36] sc520 - Move board specific settings to board init function

Graeme Russ graeme.russ at gmail.com
Mon Jan 3 20:46:34 CET 2011


---
 arch/i386/cpu/sc520/sc520.c |   19 -------------------
 board/eNET/eNET.c           |    9 +++++++++
 2 files changed, 9 insertions(+), 19 deletions(-)

diff --git a/arch/i386/cpu/sc520/sc520.c b/arch/i386/cpu/sc520/sc520.c
index e75825b..c51f11b 100644
--- a/arch/i386/cpu/sc520/sc520.c
+++ b/arch/i386/cpu/sc520/sc520.c
@@ -42,25 +42,6 @@ volatile sc520_mmcr_t *sc520_mmcr = (sc520_mmcr_t *)SC520_MMCR_BASE;

 int cpu_init_f(void)
 {
-	/*
-	 * Set the UARTxCTL register at it's slower,
-	 * baud clock giving us a 1.8432 MHz reference
-	 */
-	writeb(0x07, &sc520_mmcr->uart1ctl);
-	writeb(0x07, &sc520_mmcr->uart2ctl);
-
-	/* first set the timer pin mapping */
-	writeb(0x72, &sc520_mmcr->clksel);	/* no clock frequency selected, use 1.1892MHz */
-
-	/* enable PCI bus arbiter (concurrent mode) */
-	writeb(0x02, &sc520_mmcr->sysarbctl);
-
-	/* enable external grants */
-	writeb(0x1f, &sc520_mmcr->sysarbmenb);
-
-	/* enable posted-writes */
-	writeb(0x04, &sc520_mmcr->hbctl);
-
 	if (CONFIG_SYS_SC520_HIGH_SPEED) {
 		/* set it to 133 MHz and write back */
 		writeb(0x02, &sc520_mmcr->cpuctl);
diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c
index 30d8750..b2f349f 100644
--- a/board/eNET/eNET.c
+++ b/board/eNET/eNET.c
@@ -94,12 +94,21 @@ int board_early_init_f(void)
 	writew(0x0615, &sc520_mmcr->romcs1ctl);
 	writew(0x0615, &sc520_mmcr->romcs2ctl);

+	/*
+	 * Set the timer pin mapping
+	 * no clock frequency selected, use 1.1892MHz
+	 */
+	writeb(0x72, &sc520_mmcr->clksel);
+
 	writeb(0x00, &sc520_mmcr->adddecctl);
 	writeb(0x07, &sc520_mmcr->uart1ctl);
 	writeb(0x07, &sc520_mmcr->uart2ctl);
 	writeb(0x06, &sc520_mmcr->sysarbctl);
 	writew(0x0003, &sc520_mmcr->sysarbmenb);

+	/* enable posted-writes */
+	writeb(0x04, &sc520_mmcr->hbctl);
+
 	return 0;
 }

--
1.7.1.422.g049e9



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