[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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