[U-Boot] [PATCH v1 3/8] am33xx: NAND support
Ilya Yanok
ilya.yanok at cogentembedded.com
Tue Oct 30 23:47:38 CET 2012
TI AM33XX has the same GPMC controller as OMAP3 so we could just use the
existing omap_gpmc driver. This patch adds adds required
definitions/intialization.
Signed-off-by: Ilya Yanok <ilya.yanok at cogentembedded.com>
---
arch/arm/cpu/armv7/am33xx/Makefile | 1 +
arch/arm/cpu/armv7/am33xx/board.c | 34 +++++
arch/arm/cpu/armv7/am33xx/clock.c | 5 +
arch/arm/cpu/armv7/am33xx/mem.c | 104 +++++++++++++++
arch/arm/include/asm/arch-am33xx/cpu.h | 53 ++++++++
arch/arm/include/asm/arch-am33xx/hardware.h | 3 +
arch/arm/include/asm/arch-am33xx/mem.h | 174 ++++++++++++++++++++++++++
arch/arm/include/asm/arch-am33xx/omap_gpmc.h | 130 +++++++++++++++++++
arch/arm/include/asm/arch-am33xx/sys_proto.h | 3 +
9 files changed, 507 insertions(+)
create mode 100644 arch/arm/cpu/armv7/am33xx/mem.c
create mode 100644 arch/arm/include/asm/arch-am33xx/mem.h
create mode 100644 arch/arm/include/asm/arch-am33xx/omap_gpmc.h
diff --git a/arch/arm/cpu/armv7/am33xx/Makefile b/arch/arm/cpu/armv7/am33xx/Makefile
index 7768912..c93ac19 100644
--- a/arch/arm/cpu/armv7/am33xx/Makefile
+++ b/arch/arm/cpu/armv7/am33xx/Makefile
@@ -18,6 +18,7 @@ LIB = $(obj)lib$(SOC).o
COBJS += clock.o
COBJS += sys_info.o
+COBJS += mem.o
COBJS += ddr.o
COBJS += emif4.o
COBJS += board.o
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 978b184..71f66ef 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -25,6 +25,7 @@
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/mem.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
@@ -220,6 +221,8 @@ int board_init(void)
gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+ gpmc_init();
+
return 0;
}
@@ -298,3 +301,34 @@ int board_eth_init(bd_t *bis)
return cpsw_register(&cpsw_data);
}
#endif
+
+#if defined(CONFIG_NAND_OMAP_GPMC) & !defined(CONFIG_SPL_BUILD)
+/******************************************************************************
+ * AM33xx specific command to switch between NAND HW and SW ecc
+ *****************************************************************************/
+static int
+do_switch_ecc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc != 2)
+ goto usage;
+ if (strncmp(argv[1], "hw", 2) == 0)
+ omap_nand_switch_ecc(1);
+ else if (strncmp(argv[1], "sw", 2) == 0)
+ omap_nand_switch_ecc(0);
+ else
+ goto usage;
+
+ return 0;
+
+usage:
+ printf("Usage: nandecc %s\n", cmdtp->usage);
+ return 1;
+}
+
+U_BOOT_CMD(
+ nandecc, 2, 1, do_switch_ecc,
+ "switch OMAP3 NAND ECC calculation algorithm",
+ "[bch8/hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
+);
+
+#endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c
index 2b19506..75ec860 100644
--- a/arch/arm/cpu/armv7/am33xx/clock.c
+++ b/arch/arm/cpu/armv7/am33xx/clock.c
@@ -114,6 +114,11 @@ static void enable_per_clocks(void)
while (readl(&cmwkup->wkup_uart0ctrl) != PRCM_MOD_EN)
;
+ /* GPMC */
+ writel(PRCM_MOD_EN, &cmper->gpmcclkctrl);
+ while (readl(&cmper->gpmcclkctrl) != PRCM_MOD_EN)
+ ;
+
/* MMC0*/
writel(PRCM_MOD_EN, &cmper->mmc0clkctrl);
while (readl(&cmper->mmc0clkctrl) != PRCM_MOD_EN)
diff --git a/arch/arm/cpu/armv7/am33xx/mem.c b/arch/arm/cpu/armv7/am33xx/mem.c
new file mode 100644
index 0000000..e7f1cf7
--- /dev/null
+++ b/arch/arm/cpu/armv7/am33xx/mem.c
@@ -0,0 +1,104 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Mansoor Ahamed <mansoor.ahamed at ti.com>
+ *
+ * Initial Code from:
+ * Manikandan Pillai <mani.pillai at ti.com>
+ * Richard Woodruff <r-woodruff2 at ti.com>
+ * Syed Mohammed Khasim <khasim at ti.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
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <command.h>
+
+struct gpmc *gpmc_cfg;
+
+#if defined(CONFIG_CMD_NAND)
+static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
+ M_NAND_GPMC_CONFIG1,
+ M_NAND_GPMC_CONFIG2,
+ M_NAND_GPMC_CONFIG3,
+ M_NAND_GPMC_CONFIG4,
+ M_NAND_GPMC_CONFIG5,
+ M_NAND_GPMC_CONFIG6, 0
+};
+
+#define GPMC_CS 0
+
+#endif
+
+
+void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
+ u32 size)
+{
+ writel(0, &cs->config7);
+ sdelay(1000);
+ /* Delay for settling */
+ writel(gpmc_config[0], &cs->config1);
+ writel(gpmc_config[1], &cs->config2);
+ writel(gpmc_config[2], &cs->config3);
+ writel(gpmc_config[3], &cs->config4);
+ writel(gpmc_config[4], &cs->config5);
+ writel(gpmc_config[5], &cs->config6);
+ /* Enable the config */
+ writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) |
+ (1 << 6)), &cs->config7);
+ sdelay(2000);
+}
+
+/*****************************************************
+ * gpmc_init(): init gpmc bus
+ * Init GPMC for x16, MuxMode (SDRAM in x32).
+ * This code can only be executed from SRAM or SDRAM.
+ *****************************************************/
+void gpmc_init(void)
+{
+ /* putting a blanket check on GPMC based on ZeBu for now */
+ gpmc_cfg = (struct gpmc *)GPMC_BASE;
+
+#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND)
+ const u32 *gpmc_config = NULL;
+ u32 base = 0;
+ u32 size = 0;
+#endif
+ /* global settings */
+ writel(0x00000008, &gpmc_cfg->sysconfig);
+ writel(0x00000100, &gpmc_cfg->irqstatus);
+ writel(0x00000200, &gpmc_cfg->irqenable);
+ writel(0x00000012, &gpmc_cfg->config);
+ /*
+ * Disable the GPMC0 config set by ROM code
+ */
+ writel(0, &gpmc_cfg->cs[0].config7);
+ sdelay(1000);
+
+#if defined(CONFIG_CMD_NAND) /* CS 0 */
+ gpmc_config = gpmc_m_nand;
+
+ base = PISMO1_NAND_BASE;
+ size = PISMO1_NAND_SIZE;
+ enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
+#endif
+}
diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h
index 6cfbef7..90828e5 100644
--- a/arch/arm/include/asm/arch-am33xx/cpu.h
+++ b/arch/arm/include/asm/arch-am33xx/cpu.h
@@ -60,6 +60,59 @@
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
+struct gpmc_cs {
+ u32 config1; /* 0x00 */
+ u32 config2; /* 0x04 */
+ u32 config3; /* 0x08 */
+ u32 config4; /* 0x0C */
+ u32 config5; /* 0x10 */
+ u32 config6; /* 0x14 */
+ u32 config7; /* 0x18 */
+ u32 nand_cmd; /* 0x1C */
+ u32 nand_adr; /* 0x20 */
+ u32 nand_dat; /* 0x24 */
+ u8 res[8]; /* blow up to 0x30 byte */
+};
+
+struct bch_res_0_3 {
+ u32 bch_result_x[4];
+};
+
+struct gpmc {
+ u8 res1[0x10];
+ u32 sysconfig; /* 0x10 */
+ u8 res2[0x4];
+ u32 irqstatus; /* 0x18 */
+ u32 irqenable; /* 0x1C */
+ u8 res3[0x20];
+ u32 timeout_control; /* 0x40 */
+ u8 res4[0xC];
+ u32 config; /* 0x50 */
+ u32 status; /* 0x54 */
+ u8 res5[0x8]; /* 0x58 */
+ struct gpmc_cs cs[8]; /* 0x60, 0x90, .. */
+ u8 res6[0x14]; /* 0x1E0 */
+ u32 ecc_config; /* 0x1F4 */
+ u32 ecc_control; /* 0x1F8 */
+ u32 ecc_size_config; /* 0x1FC */
+ u32 ecc1_result; /* 0x200 */
+ u32 ecc2_result; /* 0x204 */
+ u32 ecc3_result; /* 0x208 */
+ u32 ecc4_result; /* 0x20C */
+ u32 ecc5_result; /* 0x210 */
+ u32 ecc6_result; /* 0x214 */
+ u32 ecc7_result; /* 0x218 */
+ u32 ecc8_result; /* 0x21C */
+ u32 ecc9_result; /* 0x220 */
+ u8 res7[12]; /* 0x224 */
+ u32 testmomde_ctrl; /* 0x230 */
+ u8 res8[12]; /* 0x234 */
+ struct bch_res_0_3 bch_result_0_3[2]; /* 0x240 */
+};
+
+/* Used for board specific gpmc initialization */
+extern struct gpmc *gpmc_cfg;
+
/* Encapsulating core pll registers */
struct cm_wkuppll {
unsigned int wkclkstctrl; /* offset 0x00 */
diff --git a/arch/arm/include/asm/arch-am33xx/hardware.h b/arch/arm/include/asm/arch-am33xx/hardware.h
index 62332f2..a7cf66e 100644
--- a/arch/arm/include/asm/arch-am33xx/hardware.h
+++ b/arch/arm/include/asm/arch-am33xx/hardware.h
@@ -79,6 +79,9 @@
#define DDRPHY_0_CONFIG_BASE (CTRL_BASE + 0x1400)
#define DDRPHY_CONFIG_BASE DDRPHY_0_CONFIG_BASE
+/* GPMC Base address */
+#define GPMC_BASE 0x50000000
+
/* CPSW Config space */
#define AM335X_CPSW_BASE 0x4A100000
#define AM335X_CPSW_MDIO_BASE 0x4A101000
diff --git a/arch/arm/include/asm/arch-am33xx/mem.h b/arch/arm/include/asm/arch-am33xx/mem.h
new file mode 100644
index 0000000..c6aae1d
--- /dev/null
+++ b/arch/arm/include/asm/arch-am33xx/mem.h
@@ -0,0 +1,174 @@
+/*
+ * (C) Copyright 2006-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author
+ * Mansoor Ahamed <mansoor.ahamed at ti.com>
+ *
+ * Initial Code from:
+ * Richard Woodruff <r-woodruff2 at ti.com>
+ *
+ * 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 _MEM_H_
+#define _MEM_H_
+
+#ifndef __ASSEMBLY__
+enum {
+ STACKED = 0,
+ IP_DDR = 1,
+ COMBO_DDR = 2,
+ IP_SDR = 3,
+};
+#endif /* __ASSEMBLY__ */
+
+#define EARLY_INIT 1
+
+/*
+ * GPMC settings -
+ * Definitions is as per the following format
+ * #define <PART>_GPMC_CONFIG<x> <value>
+ * Where:
+ * PART is the part name e.g. STNOR - Intel Strata Flash
+ * x is GPMC config registers from 1 to 6 (there will be 6 macros)
+ * Value is corresponding value
+ *
+ * For every valid PRCM configuration there should be only one definition of
+ * the same. if values are independent of the board, this definition will be
+ * present in this file if values are dependent on the board, then this should
+ * go into corresponding mem-boardName.h file
+ *
+ * Currently valid part Names are (PART):
+ * STNOR - Intel Strata Flash
+ * SMNAND - Samsung NAND
+ * MPDB - H4 MPDB board
+ * SBNOR - Sibley NOR
+ * MNAND - Micron Large page x16 NAND
+ * ONNAND - Samsung One NAND
+ *
+ * include/configs/file.h contains the defn - for all CS we are interested
+ * #define OMAP34XX_GPMC_CSx PART
+ * #define OMAP34XX_GPMC_CSx_SIZE Size
+ * #define OMAP34XX_GPMC_CSx_MAP Map
+ * Where:
+ * x - CS number
+ * PART - Part Name as defined above
+ * SIZE - how big is the mapping to be
+ * GPMC_SIZE_128M - 0x8
+ * GPMC_SIZE_64M - 0xC
+ * GPMC_SIZE_32M - 0xE
+ * GPMC_SIZE_16M - 0xF
+ * MAP - Map this CS to which address(GPMC address space)- Absolute address
+ * >>24 before being used.
+ */
+#define GPMC_SIZE_256M 0x0
+#define GPMC_SIZE_128M 0x8
+#define GPMC_SIZE_64M 0xC
+#define GPMC_SIZE_32M 0xE
+#define GPMC_SIZE_16M 0xF
+
+#define SMNAND_GPMC_CONFIG1 0x00000800
+#define SMNAND_GPMC_CONFIG2 0x00141400
+#define SMNAND_GPMC_CONFIG3 0x00141400
+#define SMNAND_GPMC_CONFIG4 0x0F010F01
+#define SMNAND_GPMC_CONFIG5 0x010C1414
+#define SMNAND_GPMC_CONFIG6 0x1F0F0A80
+#define SMNAND_GPMC_CONFIG7 0x00000C44
+
+
+#define M_NAND_GPMC_CONFIG1 0x00000800
+#define M_NAND_GPMC_CONFIG2 0x001e1e00
+#define M_NAND_GPMC_CONFIG3 0x001e1e00
+#define M_NAND_GPMC_CONFIG4 0x16051807
+#define M_NAND_GPMC_CONFIG5 0x00151e1e
+#define M_NAND_GPMC_CONFIG6 0x16000f80
+#define M_NAND_GPMC_CONFIG7 0x00000008
+
+#define STNOR_GPMC_CONFIG1 0x3
+#define STNOR_GPMC_CONFIG2 0x00151501
+#define STNOR_GPMC_CONFIG3 0x00060602
+#define STNOR_GPMC_CONFIG4 0x11091109
+#define STNOR_GPMC_CONFIG5 0x01141F1F
+#define STNOR_GPMC_CONFIG6 0x000004c4
+
+#define SIBNOR_GPMC_CONFIG1 0x1200
+#define SIBNOR_GPMC_CONFIG2 0x001f1f00
+#define SIBNOR_GPMC_CONFIG3 0x00080802
+#define SIBNOR_GPMC_CONFIG4 0x1C091C09
+#define SIBNOR_GPMC_CONFIG5 0x01131F1F
+#define SIBNOR_GPMC_CONFIG6 0x1F0F03C2
+
+#define SDPV2_MPDB_GPMC_CONFIG1 0x00611200
+#define SDPV2_MPDB_GPMC_CONFIG2 0x001F1F01
+#define SDPV2_MPDB_GPMC_CONFIG3 0x00080803
+#define SDPV2_MPDB_GPMC_CONFIG4 0x1D091D09
+#define SDPV2_MPDB_GPMC_CONFIG5 0x041D1F1F
+#define SDPV2_MPDB_GPMC_CONFIG6 0x1D0904C4
+
+#define MPDB_GPMC_CONFIG1 0x00011000
+#define MPDB_GPMC_CONFIG2 0x001f1f01
+#define MPDB_GPMC_CONFIG3 0x00080803
+#define MPDB_GPMC_CONFIG4 0x1c0b1c0a
+#define MPDB_GPMC_CONFIG5 0x041f1F1F
+#define MPDB_GPMC_CONFIG6 0x1F0F04C4
+
+#define P2_GPMC_CONFIG1 0x0
+#define P2_GPMC_CONFIG2 0x0
+#define P2_GPMC_CONFIG3 0x0
+#define P2_GPMC_CONFIG4 0x0
+#define P2_GPMC_CONFIG5 0x0
+#define P2_GPMC_CONFIG6 0x0
+
+#define ONENAND_GPMC_CONFIG1 0x00001200
+#define ONENAND_GPMC_CONFIG2 0x000F0F01
+#define ONENAND_GPMC_CONFIG3 0x00030301
+#define ONENAND_GPMC_CONFIG4 0x0F040F04
+#define ONENAND_GPMC_CONFIG5 0x010F1010
+#define ONENAND_GPMC_CONFIG6 0x1F060000
+
+#define NET_GPMC_CONFIG1 0x00001000
+#define NET_GPMC_CONFIG2 0x001e1e01
+#define NET_GPMC_CONFIG3 0x00080300
+#define NET_GPMC_CONFIG4 0x1c091c09
+#define NET_GPMC_CONFIG5 0x04181f1f
+#define NET_GPMC_CONFIG6 0x00000FCF
+#define NET_GPMC_CONFIG7 0x00000f6c
+
+/* max number of GPMC Chip Selects */
+#define GPMC_MAX_CS 8
+/* max number of GPMC regs */
+#define GPMC_MAX_REG 7
+
+#define PISMO1_NOR 1
+#define PISMO1_NAND 2
+#define PISMO2_CS0 3
+#define PISMO2_CS1 4
+#define PISMO1_ONENAND 5
+#define DBG_MPDB 6
+#define PISMO2_NAND_CS0 7
+#define PISMO2_NAND_CS1 8
+
+/* make it readable for the gpmc_init */
+#define PISMO1_NOR_BASE FLASH_BASE
+#define PISMO1_NAND_BASE NAND_BASE
+#define PISMO1_NAND_SIZE GPMC_SIZE_256M
+
+#endif /* endif _MEM_H_ */
+
diff --git a/arch/arm/include/asm/arch-am33xx/omap_gpmc.h b/arch/arm/include/asm/arch-am33xx/omap_gpmc.h
new file mode 100644
index 0000000..3576984
--- /dev/null
+++ b/arch/arm/include/asm/arch-am33xx/omap_gpmc.h
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com>
+ * Rohit Choraria <rohitkc at ti.com>
+ *
+ * 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 __ASM_ARCH_OMAP_GPMC_H
+#define __ASM_ARCH_OMAP_GPMC_H
+
+#define GPMC_BUF_EMPTY 0
+#define GPMC_BUF_FULL 1
+
+#define ECCCLEAR (0x1 << 8)
+#define ECCRESULTREG1 (0x1 << 0)
+#define ECCSIZE512BYTE 0xFF
+#define ECCSIZE1 (ECCSIZE512BYTE << 22)
+#define ECCSIZE0 (ECCSIZE512BYTE << 12)
+#define ECCSIZE0SEL (0x000 << 0)
+
+/* Generic ECC Layouts */
+/* Large Page x8 NAND device Layout */
+#ifdef GPMC_NAND_ECC_LP_x8_LAYOUT
+#define GPMC_NAND_HW_ECC_LAYOUT {\
+ .eccbytes = 12,\
+ .eccpos = {1, 2, 3, 4, 5, 6, 7, 8,\
+ 9, 10, 11, 12},\
+ .oobfree = {\
+ {.offset = 13,\
+ .length = 51 } } \
+}
+#endif
+
+/* Large Page x16 NAND device Layout */
+#ifdef GPMC_NAND_ECC_LP_x16_LAYOUT
+#define GPMC_NAND_HW_ECC_LAYOUT {\
+ .eccbytes = 12,\
+ .eccpos = {2, 3, 4, 5, 6, 7, 8, 9,\
+ 10, 11, 12, 13},\
+ .oobfree = {\
+ {.offset = 14,\
+ .length = 50 } } \
+}
+#endif
+
+/* Small Page x8 NAND device Layout */
+#ifdef GPMC_NAND_ECC_SP_x8_LAYOUT
+#define GPMC_NAND_HW_ECC_LAYOUT {\
+ .eccbytes = 3,\
+ .eccpos = {1, 2, 3},\
+ .oobfree = {\
+ {.offset = 4,\
+ .length = 12 } } \
+}
+#endif
+
+/* Small Page x16 NAND device Layout */
+#ifdef GPMC_NAND_ECC_SP_x16_LAYOUT
+#define GPMC_NAND_HW_ECC_LAYOUT {\
+ .eccbytes = 3,\
+ .eccpos = {2, 3, 4},\
+ .oobfree = {\
+ {.offset = 5,\
+ .length = 11 } } \
+}
+#endif
+
+#define GPMC_NAND_HW_BCH4_ECC_LAYOUT {\
+ .eccbytes = 32,\
+ .eccpos = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,\
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,\
+ 28, 29, 30, 31, 32, 33},\
+ .oobfree = {\
+ {.offset = 34,\
+ .length = 30 } } \
+}
+
+#define GPMC_NAND_HW_BCH8_ECC_LAYOUT {\
+ .eccbytes = 56,\
+ .eccpos = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,\
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,\
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,\
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,\
+ 52, 53, 54, 55, 56, 57},\
+ .oobfree = {\
+ {.offset = 58,\
+ .length = 6 } } \
+}
+
+#define GPMC_NAND_HW_BCH16_ECC_LAYOUT {\
+ .eccbytes = 104,\
+ .eccpos = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,\
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,\
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,\
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,\
+ 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,\
+ 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75,\
+ 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87,\
+ 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,\
+ 100, 101, 102, 103, 104, 105},\
+ .oobfree = {\
+ {.offset = 106,\
+ .length = 8 } } \
+}
+
+/* GPMC CS configuration for an SMSC LAN9221 ethernet controller */
+#define NET_LAN9221_GPMC_CONFIG1 0x00001000
+#define NET_LAN9221_GPMC_CONFIG2 0x00060700
+#define NET_LAN9221_GPMC_CONFIG3 0x00020201
+#define NET_LAN9221_GPMC_CONFIG4 0x06000700
+#define NET_LAN9221_GPMC_CONFIG5 0x0006090A
+#define NET_LAN9221_GPMC_CONFIG6 0x87030000
+#define NET_LAN9221_GPMC_CONFIG7 0x00000f6c
+
+#endif /* __ASM_ARCH_OMAP_GPMC_H */
diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h
index 819ea65..b07ec18 100644
--- a/arch/arm/include/asm/arch-am33xx/sys_proto.h
+++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h
@@ -60,4 +60,7 @@ void ddr_pll_config(unsigned int ddrpll_M);
void enable_uart0_pin_mux(void);
void enable_i2c0_pin_mux(void);
void enable_board_pin_mux(struct am335x_baseboard_id *header);
+void sdelay(unsigned long);
+void gpmc_init(void);
+void omap_nand_switch_ecc(int);
#endif
--
1.7.10.2 (Apple Git-33)
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