diff options
-rw-r--r-- | board/tqc/tqm85xx/Makefile | 8 | ||||
-rw-r--r-- | board/tqc/tqm85xx/law.c | 6 | ||||
-rw-r--r-- | board/tqc/tqm85xx/nand.c | 469 | ||||
-rw-r--r-- | board/tqc/tqm85xx/tlb.c | 2 | ||||
-rw-r--r-- | include/configs/TQM85xx.h | 81 |
5 files changed, 558 insertions, 8 deletions
diff --git a/board/tqc/tqm85xx/Makefile b/board/tqc/tqm85xx/Makefile index 52f5ef9..8ea07f2 100644 --- a/board/tqc/tqm85xx/Makefile +++ b/board/tqc/tqm85xx/Makefile @@ -25,8 +25,14 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := $(BOARD).o sdram.o law.o tlb.o +COBJS-y += $(BOARD).o +COBJS-y += sdram.o +COBJS-y += law.o +COBJS-y += tlb.o +COBJS-$(CONFIG_NAND) += nand.o + +COBJS := $(COBJS-y) SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) SOBJS := $(addprefix $(obj),$(SOBJS)) diff --git a/board/tqc/tqm85xx/law.c b/board/tqc/tqm85xx/law.c index bec1ed5..914ce68 100644 --- a/board/tqc/tqm85xx/law.c +++ b/board/tqc/tqm85xx/law.c @@ -35,7 +35,7 @@ * 0xc000_0000 0xdfff_ffff RapidIO or PCI express 512M * 0xe000_0000 0xe000_ffff CCSR 1M * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M - * 0xe300_0000 0xe3ff_ffff CAN 16M + * 0xe300_0000 0xe3ff_ffff CAN and NAND Flash 16M * 0xef00_0000 0xefff_ffff PCI express IO 16M * 0xfe00_0000 0xffff_ffff FLASH (boot bank) 32M * @@ -54,9 +54,9 @@ struct law_entry law_table[] = { #else /* !CONFIG_PCIE1 */ SET_LAW_ENTRY (5, CFG_RIO_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_RIO), #endif /* CONFIG_PCIE1 */ -#ifdef CONFIG_CAN_DRIVER +#if defined(CONFIG_CAN_DRIVER) || defined(CONFIG_NAND) SET_LAW_ENTRY (6, CFG_CAN_BASE, LAW_SIZE_16M, LAW_TRGT_IF_LBC), -#endif /* CONFIG_CAN_DRIVER */ +#endif /* CONFIG_CAN_DRIVER || CONFIG_NAND */ #ifdef CONFIG_PCIE1 SET_LAW_ENTRY (7, CFG_PCIE1_IO_BASE, LAW_SIZE_16M, LAW_TRGT_IF_PCIE_1), #endif /* CONFIG_PCIE */ diff --git a/board/tqc/tqm85xx/nand.c b/board/tqc/tqm85xx/nand.c new file mode 100644 index 0000000..fe3b31f --- /dev/null +++ b/board/tqc/tqm85xx/nand.c @@ -0,0 +1,469 @@ +/* + * (C) Copyright 2008 Wolfgang Grandegger <wg@denx.de> + * + * (C) Copyright 2006 + * Thomas Waehner, TQ-System GmbH, thomas.waehner@tqs.de. + * + * 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 + */ + +#include <common.h> +#include <asm/processor.h> +#include <asm/immap_85xx.h> +#include <asm/processor.h> +#include <asm/mmu.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/fsl_upm.h> +#include <ioports.h> + +#include <nand.h> + +DECLARE_GLOBAL_DATA_PTR; + +extern uint get_lbc_clock (void); + +/* index of UPM RAM array run pattern for NAND command cycle */ +#define CFG_NAN_UPM_WRITE_CMD_OFS 0x08 + +/* index of UPM RAM array run pattern for NAND address cycle */ +#define CFG_NAND_UPM_WRITE_ADDR_OFS 0x10 + +/* Structure for table with supported UPM timings */ +struct upm_freq { + ulong freq; + const u32 *upm_patt; + uchar gpl4_disable; + uchar ehtr; + uchar ead; +}; + +/* NAND-FLASH UPM tables for TQM85XX according to TQM8548.pq.timing.101.doc */ + +/* UPM pattern for bus clock = 25 MHz */ +static const u32 upm_patt_25[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff32000, 0x0fa32000, 0x3fb32005, 0xfffffc00, + /* 0x04 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff2c30, 0x00ff2c30, 0x0fff2c35, 0xfffffc00, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3ec30, 0x00f3ec30, 0x0ff3ec35, 0xfffffc00, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f32c00, 0x00f32c00, 0x0ff32c05, 0xfffffc00, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 33.3 MHz */ +static const u32 upm_patt_33[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff32000, 0x0fa32100, 0x3fb32005, 0xfffffc00, + /* 0x04 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff2c30, 0x00ff2c30, 0x0fff2c35, 0xfffffc00, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3ec30, 0x00f3ec30, 0x0ff3ec35, 0xfffffc00, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f32c00, 0x00f32c00, 0x0ff32c05, 0xfffffc00, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 41.7 MHz */ +static const u32 upm_patt_42[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff32000, 0x0fa32100, 0x3fb32005, 0xfffffc00, + /* 0x04 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff2c30, 0x00ff2c30, 0x0fff2c35, 0xfffffc00, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3ec30, 0x00f3ec30, 0x0ff3ec35, 0xfffffc00, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f32c00, 0x00f32c00, 0x0ff32c05, 0xfffffc00, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 50 MHz */ +static const u32 upm_patt_50[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff33000, 0x0fa33100, 0x0fa33005, 0xfffffc00, + /* 0x04 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff3d30, 0x00ff3c30, 0x0fff3c35, 0xfffffc00, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3fd30, 0x00f3fc30, 0x0ff3fc35, 0xfffffc00, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f33d00, 0x00f33c00, 0x0ff33c05, 0xfffffc00, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 66.7 MHz */ +static const u32 upm_patt_67[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff33000, 0x0fe33000, 0x0fa33100, 0x0fa33000, + /* 0x04 */ 0x0fa33005, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff3d30, 0x00ff3c30, 0x0fff3c30, 0x0fff3c35, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3fd30, 0x00f3fc30, 0x0ff3fc30, 0x0ff3fc35, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f33d00, 0x00f33c00, 0x0ff33c00, 0x0ff33c05, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 83.3 MHz */ +static const u32 upm_patt_83[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff33000, 0x0fe33000, 0x0fa33100, 0x0fa33000, + /* 0x04 */ 0x0fa33005, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff3e30, 0x00ff3c30, 0x0fff3c30, 0x0fff3c35, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3fe30, 0x00f3fc30, 0x0ff3fc30, 0x0ff3fc35, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f33e00, 0x00f33c00, 0x0ff33c00, 0x0ff33c05, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 100 MHz */ +static const u32 upm_patt_100[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff33100, 0x0fe33000, 0x0fa33200, 0x0fa33000, + /* 0x04 */ 0x0fa33005, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff3f30, 0x00ff3c30, 0x0fff3c30, 0x0fff3c35, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3ff30, 0x00f3fc30, 0x0ff3fc30, 0x0ff3fc35, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f33f00, 0x00f33c00, 0x0ff33c00, 0x0ff33c05, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 133.3 MHz */ +static const u32 upm_patt_133[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff33100, 0x0fe33000, 0x0fa33300, 0x0fa33000, + /* 0x04 */ 0x0fa33000, 0x0fa33005, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff3f30, 0x00ff3d30, 0x0fff3d30, 0x0fff3c35, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3ff30, 0x00f3fd30, 0x0ff3fd30, 0x0ff3fc35, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f33f00, 0x00f33d00, 0x0ff33d00, 0x0ff33c05, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* UPM pattern for bus clock = 166.7 MHz */ +static const u32 upm_patt_167[] = { + /* Offset *//* UPM Read Single RAM array entry -> NAND Read Data */ + /* 0x00 */ 0x0ff33200, 0x0fe33000, 0x0fa33300, 0x0fa33300, + /* 0x04 */ 0x0fa33005, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write CMD */ + /* 0x08 */ 0x00ff3f30, 0x00ff3f30, 0x0fff3e30, 0xffff3c35, + /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Read Burst RAM array entry -> NAND Write ADDR */ + /* 0x10 */ 0x00f3ff30, 0x00f3ff30, 0x0ff3fe30, 0x0ff3fc35, + /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Single RAM array entry -> NAND Write Data */ + /* 0x18 */ 0x00f33f00, 0x00f33f00, 0x0ff33e00, 0x0ff33c05, + /* 0x1C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + + /* UPM Write Burst RAM array entry -> unused */ + /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Refresh Timer RAM array entry -> unused */ + /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + + /* UPM Exception RAM array entry -> unsused */ + /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, +}; + +/* Supported UPM timings */ +struct upm_freq upm_freq_table[] = { + /* nominal freq. | ptr to table | GPL4 dis. | EHTR | EAD */ + {25000000, upm_patt_25, 1, 0, 0}, + {33333333, upm_patt_33, 1, 0, 0}, + {41666666, upm_patt_42, 1, 0, 0}, + {50000000, upm_patt_50, 0, 0, 0}, + {66666666, upm_patt_67, 0, 0, 0}, + {83333333, upm_patt_83, 0, 0, 0}, + {100000000, upm_patt_100, 0, 1, 1}, + {133333333, upm_patt_133, 0, 1, 1}, + {166666666, upm_patt_167, 0, 1, 1}, +}; + +#define UPM_FREQS (sizeof(upm_freq_table) / sizeof(struct upm_freq)) + +volatile const u32 *nand_upm_patt; + +/* + * write into UPMB ram + */ +static void upmb_write (u_char addr, ulong val) +{ + volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); + + out_be32 (&lbc->mdr, val); + + clrsetbits_be32(&lbc->mbmr, MxMR_MAD_MSK, + MxMR_OP_WARR | (addr & MxMR_MAD_MSK)); + + /* dummy access to perform write */ + out_8 ((void __iomem *)CFG_NAND0_BASE, 0); + + clrbits_be32(&lbc->mbmr, MxMR_OP_WARR); +} + +/* + * Initialize UPM for NAND flash access. + */ +static void nand_upm_setup (volatile ccsr_lbc_t *lbc) +{ + uint i; + uint or3 = CFG_OR3_PRELIM; + uint clock = get_lbc_clock (); + + out_be32 (&lbc->br3, 0); /* disable bank and reset all bits */ + out_be32 (&lbc->br3, CFG_BR3_PRELIM); + + /* + * Search appropriate UPM table for bus clock. + * If the bus clock exceeds a tolerated value, take the UPM timing for + * the next higher supported frequency to ensure that access works + * (even the access may be slower then). + */ + for (i = 0; (i < UPM_FREQS) && (clock > upm_freq_table[i].freq); i++) + ; + + if (i >= UPM_FREQS) + /* no valid entry found */ + /* take last entry with configuration for max. bus clock */ + i--; + + if (upm_freq_table[i].ehtr) { + /* EHTR must be set due to TQM8548 timing specification */ + or3 |= OR_UPM_EHTR; + } + if (upm_freq_table[i].ead) + /* EAD must be set due to TQM8548 timing specification */ + or3 |= OR_UPM_EAD; + + out_be32 (&lbc->or3, or3); + + /* Assign address of table */ + nand_upm_patt = upm_freq_table[i].upm_patt; + + for (i = 0; i < 64; i++) { + upmb_write (i, *nand_upm_patt); + nand_upm_patt++; + } + + /* Put UPM back to normal operation mode */ + if (upm_freq_table[i].gpl4_disable) + /* GPL4 must be disabled according to timing specification */ + out_be32 (&lbc->mbmr, MxMR_OP_NORM | MxMR_GPL_x4DIS); + + return; +} + +static struct fsl_upm_nand fun = { + .width = 8, + .upm_cmd_offset = 0x08, + .upm_addr_offset = 0x10, + .chip_delay = NAND_BIG_DELAY_US, +}; + +void board_nand_select_device (struct nand_chip *nand, int chip) +{ +} + +int board_nand_init (struct nand_chip *nand) +{ + volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); + + if (!nand_upm_patt) + nand_upm_setup (lbc); + + fun.upm.io_addr = nand->IO_ADDR_R; + fun.upm.mxmr = (void __iomem *)&lbc->mbmr; + fun.upm.mdr = (void __iomem *)&lbc->mdr; + fun.upm.mar = (void __iomem *)&lbc->mar; + + return fsl_upm_nand_init (nand, &fun); +} diff --git a/board/tqc/tqm85xx/tlb.c b/board/tqc/tqm85xx/tlb.c index 7c4b9a1..7f4efc1 100644 --- a/board/tqc/tqm85xx/tlb.c +++ b/board/tqc/tqm85xx/tlb.c @@ -114,7 +114,7 @@ struct fsl_e_tlb_entry tlb_table[] = { * TLB 6: 64M Non-cacheable, guarded * 0xe0000000 1M CCSRBAR * 0xe2000000 16M PCI1 IO - * 0xe3000000 16M CAN + * 0xe3000000 16M CAN and NAND Flash */ SET_TLB_ENTRY (1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS, MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, diff --git a/include/configs/TQM85xx.h b/include/configs/TQM85xx.h index 2155130..b188adf 100644 --- a/include/configs/TQM85xx.h +++ b/include/configs/TQM85xx.h @@ -55,6 +55,14 @@ #define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */ /* + * NAND flash support (disabled by default) + * + * Warning: NAND support will likely increase the U-Boot image size + * to more than 256 KB. Please adjust TEXT_BASE if necessary. + */ +#undef CONFIG_NAND + +/* * MPC8540 and MPC8548 don't have CPM module */ #if !defined(CONFIG_MPC8540) && !defined(CONFIG_MPC8548) @@ -205,8 +213,8 @@ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET -#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256kB for Mon */ -#define CFG_MALLOC_LEN (256 * 1024) /* Reserved for malloc */ +#define CFG_MONITOR_LEN (~TEXT_BASE + 1)/* Reserved for Monitor */ +#define CFG_MALLOC_LEN (384 * 1024) /* Reserved for malloc */ /* Serial Port */ #if defined(CONFIG_TQM8560) @@ -253,8 +261,8 @@ #define CONFIG_OF_STDOUT_VIA_ALIAS 1 /* CAN */ -#ifdef CONFIG_CAN_DRIVER #define CFG_CAN_BASE 0xE3000000 /* CAN base address */ +#ifdef CONFIG_CAN_DRIVER #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 KiB address mask */ #define CFG_OR2_CAN (CFG_CAN_OR_AM | OR_UPM_BI) #define CFG_BR2_CAN ((CFG_CAN_BASE & BR_BA) | \ @@ -301,6 +309,53 @@ #define CFG_RIO_MEM_SIZE 0x20000000 /* 512M */ #endif /* CONFIG_PCIE1 */ +/* NAND FLASH */ +#ifdef CONFIG_NAND + +#undef CFG_NAND_LEGACY + +#define CONFIG_NAND_FSL_UPM 1 + +#define CONFIG_MTD_NAND_ECC_JFFS2 1 /* use JFFS2 ECC */ + +/* address distance between chip selects */ +#define CFG_NAND_SELECT_DEVICE 1 +#define CFG_NAND_CS_DIST 0x200 + +#define CFG_NAND_SIZE 0x8000 +#define CFG_NAND0_BASE 0xE3010000 +#define CFG_NAND1_BASE (CFG_NAND0_BASE + CFG_NAND_CS_DIST) +#define CFG_NAND2_BASE (CFG_NAND1_BASE + CFG_NAND_CS_DIST) +#define CFG_NAND3_BASE (CFG_NAND2_BASE + CFG_NAND_CS_DIST) + +#define CFG_MAX_NAND_DEVICE 2 /* Max number of NAND devices */ +#define NAND_MAX_CHIPS 1 + +#if (CFG_MAX_NAND_DEVICE == 1) +#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE } +#elif (CFG_MAX_NAND_DEVICE == 2) +#define CFG_NAND_QUIET_TEST 1 +#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE, \ + CFG_NAND1_BASE, \ +} +#elif (CFG_MAX_NAND_DEVICE == 4) +#define CFG_NAND_QUIET_TEST 1 +#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE, \ + CFG_NAND1_BASE, \ + CFG_NAND2_BASE, \ + CFG_NAND3_BASE, \ +} +#endif + +/* CS3 for NAND Flash */ +#define CFG_BR3_PRELIM ((CFG_NAND0_BASE & BR_BA) | BR_PS_8 | \ + BR_MS_UPMB | BR_V) +#define CFG_OR3_PRELIM (P2SZ_TO_AM(CFG_NAND_SIZE) | OR_UPM_BI) + +#define NAND_BIG_DELAY_US 25 /* max tR for Samsung devices */ + +#endif /* CONFIG_NAND */ + /* * General PCI * Addresses are mapped 1-1. @@ -486,6 +541,26 @@ #define CONFIG_BOOTP_GATEWAY #define CONFIG_BOOTP_HOSTNAME +#ifdef CONFIG_NAND +/* + * Use NAND-FLash as JFFS2 device + */ +#define CONFIG_CMD_NAND +#define CONFIG_CMD_JFFS2 + +#define CONFIG_JFFS2_NAND 1 + +#ifdef CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nand0=TQM85xx-nand" +#define MTDPARTS_DEFAULT "mtdparts=TQM85xx-nand:-" +#else +#define CONFIG_JFFS2_DEV "nand0" /* NAND device jffs2 lives on */ +#define CONFIG_JFFS2_PART_OFFSET 0 /* start of jffs2 partition */ +#define CONFIG_JFFS2_PART_SIZE 0x200000 /* size of jffs2 partition */ +#endif /* CONFIG_JFFS2_CMDLINE */ + +#endif /* CONFIG_NAND */ + /* * Command line configuration. */ |