[U-Boot] [PATCH 1/3] S5PC100: Memory SubSystem Header file, register description(SROMC).

Naveen Krishna Ch ch.naveen at samsung.com
Tue Feb 9 10:34:14 CET 2010


From: Naveen Krishna CH <ch.naveen at samsung.com>

Memory subsystem of S5PC100 handles SROM, SRAM, OneDRAM, OneNand,
NAND Flash, DDRs.
mem.h is a common place for the register description of Memory subsystem
of S5PC100.
Note: Only SROM related registers are descibed now.

Signed-off-by: Naveen Krishna Ch <ch.naveen <at> samsung.com>
---
 include/asm-arm/arch-s5pc1xx/mem.h |   55 ++++++++++++++++++++++++++++++++++++
 1 files changed, 55 insertions(+), 0 deletions(-)
 create mode 100644 include/asm-arm/arch-s5pc1xx/mem.h

diff --git a/include/asm-arm/arch-s5pc1xx/mem.h b/include/asm-arm/arch-s5pc1xx/mem.h
new file mode 100644
index 0000000..66272ff
--- /dev/null
+++ b/include/asm-arm/arch-s5pc1xx/mem.h
@@ -0,0 +1,55 @@
+/*
+ * (C) Copyright 2010 Samsung Electronics
+ * Naveen Krishna Ch <ch.naveen at samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * Note: This file contains the register description for Memory subsystem
+ * 	 (SROM, NAND Flash, OneNand, DDR, OneDRAM) on S5PC1XX.
+ *
+ * 	 Only SROMC is defined as of now
+ */
+
+#ifndef __ASM_ARCH_MEM_H_
+#define __ASM_ARCH_MEM_H_
+
+#define SROM_DATA16_WIDTH(x)    (1<<((x*4)+0))
+#define SROM_BYTE_ADDR_MODE(x)  (1<<((x*4)+1))  /* 0-> Half-word base address*/
+						/* 1-> Byte base address*/
+#define SROM_WAIT_ENABLE(x)     (1<<((x*4)+2))
+#define SROM_BYTE_ENABLE(x)     (1<<((x*4)+3))
+
+#define SMCBC_X_Tacs    (0x0)   /* 0clk         address set-up */
+#define SMCBC_X_Tcos    (0x4)   /* 4clk         chip selection set-up */
+#define SMCBC_X_Tacc    (0xe)   /* 14clk        access cycle */
+#define SMCBC_X_Tcoh    (0x1)   /* 1clk         chip selection hold */
+#define SMCBC_X_Tah     (0x4)   /* 4clk         address holding time */
+#define SMCBC_X_Tacp    (0x6)   /* 6clk         page mode access cycle */
+#define SMCBC_X_PMC     (0x0)   /* normal(1data)page mode configuration */
+
+#define SMC_BC_X_CON    ((SMCBC_X_Tacs<<28)|(SMCBC_X_Tcos<<24)| \
+			 (SMCBC_X_Tacc<<16)|(SMCBC_X_Tcoh<<12)| \
+			 (SMCBC_X_Tah<<8)|(SMCBC_X_Tacp<<4)|    \
+			 (SMCBC_X_PMC))
+
+#ifndef __ASSEMBLY__
+struct s5pc1xx_sromc {
+	unsigned int	smc_bw;
+	unsigned int	smc_bc[6];
+};
+#endif	/* __ASSEMBLY__ */
+
+#endif /* __ASM_ARCH_MEM_H_ */
-- 
1.6.6



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