From 3b439792b0781921c599d8af9bed6a771d295b53 Mon Sep 17 00:00:00 2001
From: Ron Madrid <ron_madrid@sbcglobal.net>
Date: Wed, 28 Apr 2010 16:04:43 -0700
Subject: mpc83xx: Add UPMA configuration to SIMPC8313

Added UPM array table, upmconfig, and Local Bus configuration support for SIMPC8313

Signed-off-by: Ron Madrid <ron_madrid@sbcglobal.net>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
---
 board/sheldon/simpc8313/simpc8313.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'board')

diff --git a/board/sheldon/simpc8313/simpc8313.c b/board/sheldon/simpc8313/simpc8313.c
index 1044de2a47..0235545ae4 100644
--- a/board/sheldon/simpc8313/simpc8313.c
+++ b/board/sheldon/simpc8313/simpc8313.c
@@ -29,6 +29,7 @@
 #include <mpc83xx.h>
 #include <ns16550.h>
 #include <nand.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -91,6 +92,40 @@ void pci_init_board(void)
 int misc_init_r(void)
 {
 	int rc = 0;
+	immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+	fsl_lbus_t *lbus = &immap->lbus;
+	u32 *mxmr = &lbus->mamr;	/* Pointer to mamr */
+
+	/* UPM Table Configuration Code */
+	static uint UPMATable[] = {
+		/* Read Single-Beat (RSS) */
+		0x0fff0c00, 0x0fffdc00, 0x0fff0c05, 0xfffffc00,
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+		/* Read Burst (RBS) */
+		0x0fff0c00, 0x0ffcdc00, 0x0ffc0c00, 0x0ffc0f0c,
+		0x0ffccf0c, 0x0ffc0f0c, 0x0ffcce0c, 0x3ffc0c05,
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+		/* Write Single-Beat (WSS) */
+		0x0ffc0c00, 0x0ffcdc00, 0x0ffc0c05, 0xfffffc00,
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+		/* Write Burst (WBS) */
+		0x0ffc0c00, 0x0fffcc0c, 0x0fff0c00, 0x0fffcc00,
+		0x0fff1c00, 0x0fffcf0c, 0x0fff0f0c, 0x0fffcf0c,
+		0x0fff0c0c, 0x0fffcc0c, 0x0fff0c05, 0xfffffc00,
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+		/* Refresh Timer (RTS) */
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+		/* Exception Condition (EXS) */
+		0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01
+	};
+
+	upmconfig(UPMA, UPMATable, sizeof(UPMATable) / sizeof(UPMATable[0]));
+
+	/* Set LUPWAIT to be active low and enabled */
+	out_be32(mxmr, MxMR_UWPL | MxMR_GPL_x4DIS);
 
 	return rc;
 }
-- 
cgit