[U-Boot] [PATCH] mpc83xx: Add UPMA configuration to SIMPC8313

Ron Madrid ron_madrid at sbcglobal.net
Wed Apr 28 19:48:44 CEST 2010


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

Signed-off-by: Ron Madrid <ron_madrid at sbcglobal.net>
---
 board/sheldon/simpc8313/simpc8313.c |   34 ++++++++++++++++++++++++++++++++++
 include/configs/SIMPC8313.h         |   10 ++++++++++
 2 files changed, 44 insertions(+), 0 deletions(-)

diff --git a/board/sheldon/simpc8313/simpc8313.c b/board/sheldon/simpc8313/simpc8313.c
index 1044de2..3bfd4db 100644
--- a/board/sheldon/simpc8313/simpc8313.c
+++ b/board/sheldon/simpc8313/simpc8313.c
@@ -91,6 +91,40 @@ void pci_init_board(void)
 int misc_init_r(void)
 {
 	int rc = 0;
+	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+	volatile fsl_lbus_t *lbus = &immap->lbus;
+	volatile 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 */
+	*mxmr = 0x08000000 | MxMR_GPL_x4DIS;
 
 	return rc;
 }
diff --git a/include/configs/SIMPC8313.h b/include/configs/SIMPC8313.h
index 84af8df..889050f 100644
--- a/include/configs/SIMPC8313.h
+++ b/include/configs/SIMPC8313.h
@@ -184,6 +184,16 @@
 #define CONFIG_SYS_NAND_LBLAWBAR_PRELIM	CONFIG_SYS_LBLAWBAR0_PRELIM
 #define CONFIG_SYS_NAND_LBLAWAR_PRELIM	CONFIG_SYS_LBLAWAR0_PRELIM
 
+#define CONFIG_SYS_BR1_PRELIM		( 0xFF000000	/* FPGA Base Addr */ \
+					| BR_PS_16 \
+					| BR_MS_UPMA \
+					| BR_V )
+#define CONFIG_SYS_OR1_PRELIM		( 0xFFE00000	/* length 2MB */ \
+					| OR_UPM_BCTLD)
+
+#define CONFIG_SYS_LBLAWBAR1_PRELIM	0xFF000000	/* FPGA Base Addr */
+#define CONFIG_SYS_LBLAWAR1_PRELIM	0x80000014	/* 2MB */
+
 /*
  * JFFS2 configuration
  */
-- 
1.5.5.1



More information about the U-Boot mailing list