[U-Boot] [PATCH v3 1/3] apf27: add missing constant to mx27

Philippe Reynes tremyfr at yahoo.fr
Sat Dec 1 11:44:51 CET 2012


Add some missing constant (chip select, ...), and
a file mxc_nand.h with the NFC constant.

Signed-off-by: Philippe Reynes <tremyfr at yahoo.fr>
Signed-off-by: Eric Jarrige <eric.jarrige at armadeus.org>
---
 arch/arm/cpu/arm926ejs/mx27/asm-offsets.c |   34 ++++++++++++
 arch/arm/include/asm/arch-mx27/imx-regs.h |   11 ++++-
 arch/arm/include/asm/arch-mx27/mxc_nand.h |   83 +++++++++++++++++++++++++++++
 3 files changed, 127 insertions(+), 1 deletions(-)
 create mode 100644 arch/arm/include/asm/arch-mx27/mxc_nand.h

diff --git a/arch/arm/cpu/arm926ejs/mx27/asm-offsets.c b/arch/arm/cpu/arm926ejs/mx27/asm-offsets.c
index f3a8d7b..b95c58c 100644
--- a/arch/arm/cpu/arm926ejs/mx27/asm-offsets.c
+++ b/arch/arm/cpu/arm926ejs/mx27/asm-offsets.c
@@ -34,6 +34,7 @@ int main(void)
 	DEFINE(PCDR1, IMX_PLL_BASE + offsetof(struct pll_regs, pcdr1));
 	DEFINE(PCCR0, IMX_PLL_BASE + offsetof(struct pll_regs, pccr0));
 	DEFINE(PCCR1, IMX_PLL_BASE + offsetof(struct pll_regs, pccr1));
+	DEFINE(CCSR, IMX_PLL_BASE + offsetof(struct pll_regs, ccsr));
 
 	DEFINE(ESDCTL0_ROF, offsetof(struct esdramc_regs, esdctl0));
 	DEFINE(ESDCFG0_ROF, offsetof(struct esdramc_regs, esdcfg0));
@@ -41,5 +42,38 @@ int main(void)
 	DEFINE(ESDCFG1_ROF, offsetof(struct esdramc_regs, esdcfg1));
 	DEFINE(ESDMISC_ROF, offsetof(struct esdramc_regs, esdmisc));
 
+	DEFINE(GPCR, IMX_SYSTEM_CTL_BASE +
+	       offsetof(struct system_control_regs, gpcr));
+	DEFINE(FMCR, IMX_SYSTEM_CTL_BASE +
+	       offsetof(struct system_control_regs, fmcr));
+	DEFINE(DSCR2, IMX_SYSTEM_CTL_BASE +
+	       offsetof(struct system_control_regs, dscr2));
+	DEFINE(DSCR3, IMX_SYSTEM_CTL_BASE +
+	       offsetof(struct system_control_regs, dscr3));
+	DEFINE(DSCR7, IMX_SYSTEM_CTL_BASE +
+	       offsetof(struct system_control_regs, dscr7));
+	DEFINE(DSCR10, IMX_SYSTEM_CTL_BASE +
+	       offsetof(struct system_control_regs, dscr10));
+
+	DEFINE(CS0U, IMX_WEIM_BASE + offsetof(struct weim_regs, cs0u));
+	DEFINE(CS0L, IMX_WEIM_BASE + offsetof(struct weim_regs, cs0l));
+	DEFINE(CS0A, IMX_WEIM_BASE + offsetof(struct weim_regs, cs0a));
+	DEFINE(CS1U, IMX_WEIM_BASE + offsetof(struct weim_regs, cs1u));
+	DEFINE(CS1L, IMX_WEIM_BASE + offsetof(struct weim_regs, cs1l));
+	DEFINE(CS1A, IMX_WEIM_BASE + offsetof(struct weim_regs, cs1a));
+	DEFINE(CS2U, IMX_WEIM_BASE + offsetof(struct weim_regs, cs2u));
+	DEFINE(CS2L, IMX_WEIM_BASE + offsetof(struct weim_regs, cs2l));
+	DEFINE(CS2A, IMX_WEIM_BASE + offsetof(struct weim_regs, cs2a));
+	DEFINE(CS3U, IMX_WEIM_BASE + offsetof(struct weim_regs, cs3u));
+	DEFINE(CS3L, IMX_WEIM_BASE + offsetof(struct weim_regs, cs3l));
+	DEFINE(CS3A, IMX_WEIM_BASE + offsetof(struct weim_regs, cs3a));
+	DEFINE(CS4U, IMX_WEIM_BASE + offsetof(struct weim_regs, cs4u));
+	DEFINE(CS4L, IMX_WEIM_BASE + offsetof(struct weim_regs, cs4l));
+	DEFINE(CS4A, IMX_WEIM_BASE + offsetof(struct weim_regs, cs4a));
+	DEFINE(CS5U, IMX_WEIM_BASE + offsetof(struct weim_regs, cs5u));
+	DEFINE(CS5L, IMX_WEIM_BASE + offsetof(struct weim_regs, cs5l));
+	DEFINE(CS5A, IMX_WEIM_BASE + offsetof(struct weim_regs, cs5a));
+	DEFINE(EIM,  IMX_WEIM_BASE + offsetof(struct weim_regs, eim));
+
 	return 0;
 }
diff --git a/arch/arm/include/asm/arch-mx27/imx-regs.h b/arch/arm/include/asm/arch-mx27/imx-regs.h
index 2f6c823..d3a14e1 100644
--- a/arch/arm/include/asm/arch-mx27/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx27/imx-regs.h
@@ -185,7 +185,7 @@ struct iim_regs {
 	struct fuse_bank {
 		u32 fuse_regs[0x20];
 		u32 fuse_rsvd[0xe0];
-	} bank[1];
+	} bank[2];
 };
 
 struct fuse_bank0_regs {
@@ -511,4 +511,13 @@ struct fuse_bank0_regs {
 #define IIM_ERR_SNSE	(1 << 2)
 #define IIM_ERR_PARITYE	(1 << 1)
 
+/*
+ * Memory areas of the NFC
+ */
+#define IMX_NFC_BASE                    (0xD8000000)
+#define IMX_NFC_MAIN_AREA0              (0xD8000000)
+#define IMX_NFC_MAIN_AREA1              (0xD8000200)
+#define IMX_NFC_SPARE_AREA0             (0xD8000800)
+#define IMX_NFC_REGS                    (0xD8000E00)
+
 #endif				/* _IMX_REGS_H */
diff --git a/arch/arm/include/asm/arch-mx27/mxc_nand.h b/arch/arm/include/asm/arch-mx27/mxc_nand.h
new file mode 100644
index 0000000..564419e
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx27/mxc_nand.h
@@ -0,0 +1,83 @@
+/*
+ * (c) 2012 Philippe Reynes <tremyfr at yahoo.fr>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef __MXC_NAND_H
+#define __MXC_NAND_H
+
+/*
+ * NFC registers address offset
+ */
+#define NFC_OFFSET_BUFSIZE             (0x00) /* Internal SRAM Size */
+#define NFC_OFFSET_BLCK_ADD_LOCK       (0x02) /* NAND Flash Block Address for
+						 Lock Check */
+#define NFC_OFFSET_BUF_ADDR            (0x04) /* Buffer Number for Page Data
+						 Transfer To/From Flash Mem */
+#define NFC_OFFSET_FLASH_ADDR          (0x06) /* NAND Flash Address */
+#define NFC_OFFSET_FLASH_CMD           (0x08) /* NAND Flash Command */
+#define NFC_OFFSET_CONFIG              (0x0A) /* NFC Internal Buffer Lock
+						 Control */
+#define NFC_OFFSET_ECC_STATUS_RESULT   (0x0C) /* Controller Status/Result of
+						 Flash Operation */
+#define NFC_OFFSET_ECC_RSLT_MAIN_AREA  (0x0E) /* ECC Error Position of Main
+						 Area Data Error */
+#define NFC_OFFSET_ECC_RSLT_SPARE_AREA (0x10) /* ECC Error Position of Spare
+						 Area Data Error */
+#define NFC_OFFSET_WRPROT              (0x12) /* Nand Flash Write Protection */
+#define NFC_OFFSET_UNLOCKSTART_BLKADDR (0x14) /* Start Address for Write
+						 Protection Unlock */
+#define NFC_OFFSET_UNLOCKEND_BLKADDR   (0x16) /* End Address for Write
+						 Protection Unlock */
+#define NFC_OFFSET_WRPR_STAT           (0x18) /* Current Nand Flash Write
+						 Protection Status */
+#define NFC_OFFSET_CONFIG1             (0x1A) /* Nand Flash Operation
+						 Configuration 1 */
+#define NFC_OFFSET_CONFIG2             (0x1C) /* Nand Flash Operation
+						 Configuration 2 */
+
+/* NFC_ECC_STATUS_RESULT Status Register Bit Fields */
+#define NFC_ECC_STAT_ERM_SHFT   (2)      /* ERM shift */
+#define NFC_ECC_STAT_ERS_MASK   (0x03)   /* ERS mask  */
+#define NFC_ECC_STAT_ERROR1     (1<<0)   /* correctable error */
+#define NFC_ECC_STAT_ERROR2     (1<<1)   /* non correctable error */
+
+/* NFC_CONFIG Control Register Bit Fields */
+#define NFC_CONFIG_UNLOCKED     (1<<1)   /* unlocked */
+#define NFC_CONFIG_LOCKED       (1<<0)   /* locked */
+
+/* NFC_CONFIG1 Control Register Bit Fields */
+#define NFC_CONFIG1_CEn         (1<<7)   /* Flash force CE */
+#define NFC_CONFIG1_RST         (1<<6)   /* Reset */
+#define NFC_CONFIG1_BIG         (1<<5)   /* Big Endian Mode */
+#define NFC_CONFIG1_INT_MSK     (1<<4)   /* Mask Interrupt Bit   */
+#define NFC_CONFIG1_ECC_EN      (1<<3)   /* ECC operation enable */
+#define NFC_CONFIG1_SP_EN       (1<<2)   /* Flash spare enable */
+
+/* NFC_CONFIG2 Control Register Bit Fields */
+#define NFC_CONFIG2_INT         (1<<15)  /* Interrupt */
+#define NFC_CONFIG2_FDO_STATUS  (4<<3)   /* Flash status output */
+#define NFC_CONFIG2_FDO_ID      (2<<3)   /* Flash ID output */
+#define NFC_CONFIG2_FDO_PAGE    (1<<3)   /* Flash data output */
+#define NFC_CONFIG2_FDI         (1<<2)   /* Flash data input */
+#define NFC_CONFIG2_FADD        (1<<1)   /* Flash address input */
+#define NFC_CONFIG2_FCMD        (1<<0)   /* Flash command input */
+
+#endif
-- 
1.7.4.4



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