diff options
Diffstat (limited to 'board/socrates')
| -rw-r--r-- | board/socrates/Makefile | 2 | ||||
| -rw-r--r-- | board/socrates/config.mk | 3 | ||||
| -rw-r--r-- | board/socrates/law.c | 21 | ||||
| -rw-r--r-- | board/socrates/nand.c | 218 | ||||
| -rw-r--r-- | board/socrates/socrates.c | 22 | ||||
| -rw-r--r-- | board/socrates/tlb.c | 25 | ||||
| -rw-r--r-- | board/socrates/upm_table.h | 55 |
7 files changed, 314 insertions, 32 deletions
diff --git a/board/socrates/Makefile b/board/socrates/Makefile index 6453f24..11503eb 100644 --- a/board/socrates/Makefile +++ b/board/socrates/Makefile @@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a # -COBJS := $(BOARD).o law.o tlb.o sdram.o +COBJS := $(BOARD).o law.o tlb.o sdram.o nand.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/socrates/config.mk b/board/socrates/config.mk index 1cf5d38..4f17294 100644 --- a/board/socrates/config.mk +++ b/board/socrates/config.mk @@ -25,6 +25,5 @@ # # socrates board # default CCARBAR is at 0xff700000 -# assume U-Boot is less than 256k # -TEXT_BASE = 0xfffc0000 +TEXT_BASE = 0xfffa0000 diff --git a/board/socrates/law.c b/board/socrates/law.c index 5f4b8ca..35c4a90 100644 --- a/board/socrates/law.c +++ b/board/socrates/law.c @@ -33,13 +33,12 @@ /* * LAW(Local Access Window) configuration: * - * 0x0000_0000 0x7fff_ffff DDR 2G + * 0x0000_0000 0x2fff_ffff DDR 512M * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M - * 0xc000_0000 0xdfff_ffff RapidIO 512M - * 0xe000_0000 0xe000_ffff CCSR 1M + * 0xc000_0000 0xc00f_ffff FPGA 1M + * 0xe000_0000 0xe00f_ffff CCSR 1M (mapped by CCSRBAR) * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M - * 0xf800_0000 0xf80f_ffff BCSR 1M - * 0xfe00_0000 0xffff_ffff FLASH (boot bank) 32M + * 0xfc00_0000 0xffff_ffff FLASH 64M * * Notes: * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window. @@ -47,11 +46,13 @@ */ struct law_entry law_table[] = { - SET_LAW_ENTRY(1, CFG_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR), - SET_LAW_ENTRY(2, CFG_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI), - SET_LAW_ENTRY(3, CFG_LBC_FLASH_BASE, LAW_SIZE_128M, LAW_TRGT_IF_LBC), - SET_LAW_ENTRY(4, CFG_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI), - SET_LAW_ENTRY(5, CFG_RIO_MEM_BASE, LAWAR_SIZE_512M, LAW_TRGT_IF_RIO), + SET_LAW(CFG_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR), + SET_LAW(CFG_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI), + SET_LAW(CFG_LBC_FLASH_BASE, LAW_SIZE_128M, LAW_TRGT_IF_LBC), + SET_LAW(CFG_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI), +#if defined(CFG_FPGA_BASE) + SET_LAW(CFG_FPGA_BASE, LAWAR_SIZE_1M, LAW_TRGT_IF_LBC), +#endif }; int num_law_entries = ARRAY_SIZE(law_table); diff --git a/board/socrates/nand.c b/board/socrates/nand.c new file mode 100644 index 0000000..fc82ecb --- /dev/null +++ b/board/socrates/nand.c @@ -0,0 +1,218 @@ +/* + * (C) Copyright 2008 + * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.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 + */ + +#include <common.h> + +#if defined(CFG_NAND_BASE) +#include <nand.h> +#include <asm/errno.h> +#include <asm/io.h> + +static int state; +static void nand_write_byte(struct mtd_info *mtd, u_char byte); +static void nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len); +static void nand_write_word(struct mtd_info *mtd, u16 word); +static u_char nand_read_byte(struct mtd_info *mtd); +static u16 nand_read_word(struct mtd_info *mtd); +static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len); +static int nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len); +static int nand_device_ready(struct mtd_info *mtdinfo); +static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd); + +#define FPGA_NAND_CMD_MASK (0x7 << 28) +#define FPGA_NAND_CMD_COMMAND (0x0 << 28) +#define FPGA_NAND_CMD_ADDR (0x1 << 28) +#define FPGA_NAND_CMD_READ (0x2 << 28) +#define FPGA_NAND_CMD_WRITE (0x3 << 28) +#define FPGA_NAND_BUSY (0x1 << 15) +#define FPGA_NAND_ENABLE (0x1 << 31) +#define FPGA_NAND_DATA_SHIFT 16 + +/** + * nand_write_byte - write one byte to the chip + * @mtd: MTD device structure + * @byte: pointer to data byte to write + */ +static void nand_write_byte(struct mtd_info *mtd, u_char byte) +{ + nand_write_buf(mtd, (const uchar *)&byte, sizeof(byte)); +} + +/** + * nand_write_word - write one word to the chip + * @mtd: MTD device structure + * @word: data word to write + */ +static void nand_write_word(struct mtd_info *mtd, u16 word) +{ + nand_write_buf(mtd, (const uchar *)&word, sizeof(word)); +} + +/** + * nand_write_buf - write buffer to chip + * @mtd: MTD device structure + * @buf: data buffer + * @len: number of bytes to write + */ +static void nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) +{ + int i; + struct nand_chip *this = mtd->priv; + long val; + + if ((state & FPGA_NAND_CMD_MASK) == FPGA_NAND_CMD_MASK) { + /* Write data */ + val = (state & FPGA_NAND_ENABLE) | FPGA_NAND_CMD_WRITE; + } else { + /* Write address or command */ + val = state; + } + + for (i = 0; i < len; i++) { + out_be32(this->IO_ADDR_W, val | (buf[i] << FPGA_NAND_DATA_SHIFT)); + } +} + + +/** + * nand_read_byte - read one byte from the chip + * @mtd: MTD device structure + */ +static u_char nand_read_byte(struct mtd_info *mtd) +{ + u8 byte; + nand_read_buf(mtd, (uchar *)&byte, sizeof(byte)); + return byte; +} + +/** + * nand_read_word - read one word from the chip + * @mtd: MTD device structure + */ +static u16 nand_read_word(struct mtd_info *mtd) +{ + u16 word; + nand_read_buf(mtd, (uchar *)&word, sizeof(word)); + return word; +} + +/** + * nand_read_buf - read chip data into buffer + * @mtd: MTD device structure + * @buf: buffer to store date + * @len: number of bytes to read + */ +static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +{ + int i; + struct nand_chip *this = mtd->priv; + int val; + + val = (state & FPGA_NAND_ENABLE) | FPGA_NAND_CMD_READ; + + out_be32(this->IO_ADDR_W, val); + for (i = 0; i < len; i++) { + buf[i] = (in_be32(this->IO_ADDR_R) >> FPGA_NAND_DATA_SHIFT) & 0xff; + } +} + +/** + * nand_verify_buf - Verify chip data against buffer + * @mtd: MTD device structure + * @buf: buffer containing the data to compare + * @len: number of bytes to compare + */ +static int nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len) +{ + int i; + + for (i = 0; i < len; i++) { + if (buf[i] != nand_read_byte(mtd)); + return -EFAULT; + } + return 0; +} + +/** + * nand_device_ready - Check the NAND device is ready for next command. + * @mtd: MTD device structure + */ +static int nand_device_ready(struct mtd_info *mtdinfo) +{ + struct nand_chip *this = mtdinfo->priv; + + if (in_be32(this->IO_ADDR_W) & FPGA_NAND_BUSY) + return 0; /* busy */ + return 1; +} + +/** + * nand_hwcontrol - NAND control functions wrapper. + * @mtd: MTD device structure + * @cmd: Command + */ +static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd) +{ + + switch(cmd) { + case NAND_CTL_CLRALE: + state |= FPGA_NAND_CMD_MASK; /* use all 1s to mark */ + break; + case NAND_CTL_CLRCLE: + state |= FPGA_NAND_CMD_MASK; /* use all 1s to mark */ + break; + case NAND_CTL_SETCLE: + state = (state & ~FPGA_NAND_CMD_MASK) | FPGA_NAND_CMD_COMMAND; + break; + case NAND_CTL_SETALE: + state = (state & ~FPGA_NAND_CMD_MASK) | FPGA_NAND_CMD_ADDR; + break; + case NAND_CTL_SETNCE: + state |= FPGA_NAND_ENABLE; + break; + case NAND_CTL_CLRNCE: + state &= ~FPGA_NAND_ENABLE; + break; + default: + printf("%s: unknown cmd %#x\n", __FUNCTION__, cmd); + break; + } +} + +int board_nand_init(struct nand_chip *nand) +{ + nand->hwcontrol = nand_hwcontrol; + nand->eccmode = NAND_ECC_SOFT; + nand->dev_ready = nand_device_ready; + nand->write_byte = nand_write_byte; + nand->read_byte = nand_read_byte; + nand->write_word = nand_write_word; + nand->read_word = nand_read_word; + nand->write_buf = nand_write_buf; + nand->read_buf = nand_read_buf; + nand->verify_buf = nand_verify_buf; + + return 0; +} + +#endif diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c index 15c6478..d791f11 100644 --- a/board/socrates/socrates.c +++ b/board/socrates/socrates.c @@ -35,7 +35,11 @@ #include <flash.h> #include <libfdt.h> #include <fdt_support.h> +#include <asm/io.h> +#if defined(CFG_FPGA_BASE) +#include "upm_table.h" +#endif DECLARE_GLOBAL_DATA_PTR; extern flash_info_t flash_info[]; /* FLASH chips info */ @@ -58,7 +62,8 @@ int checkboard (void) putc('\n'); #ifdef CONFIG_PCI - if (gur->porpllsr & (1<<15)) { + /* Check the PCI_clk sel bit */ + if (in_be32(&gur->porpllsr) & (1<<15)) { src = "SYSCLK"; f = CONFIG_SYS_CLK_FREQ; } else { @@ -74,7 +79,10 @@ int checkboard (void) * Initialize local bus. */ local_bus_init (); - +#if defined(CFG_FPGA_BASE) + /* Init UPMA for FPGA access */ + upmconfig(UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int)); +#endif return 0; } @@ -216,5 +224,15 @@ ft_board_setup(void *blob, bd_t *bd) if (rc) printf("Unable to update property NOR mapping, err=%s\n", fdt_strerror(rc)); + +#if defined (CFG_FPGA_BASE) + memset(val, 0, sizeof(val)); + val[0] = CFG_FPGA_BASE; + rc = fdt_find_and_setprop(blob, "/localbus/fpga", "virtual-reg", + val, sizeof(val), 1); + if (rc) + printf("Unable to update property \"fpga\", err=%s\n", + fdt_strerror(rc)); +#endif } #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ diff --git a/board/socrates/tlb.c b/board/socrates/tlb.c index b80caea..aea99ad 100644 --- a/board/socrates/tlb.c +++ b/board/socrates/tlb.c @@ -46,16 +46,13 @@ struct fsl_e_tlb_entry tlb_table[] = { /* - * TLB 0, 1: 128M Non-cacheable, guarded - * 0xf8000000 128M FLASH + * TLB 0: 64M Non-cacheable, guarded + * 0xfc000000 64M FLASH * Out of reset this entry is only 4K. */ SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 1, BOOKE_PAGESZ_64M, 1), - SET_TLB_ENTRY(1, CFG_FLASH_BASE + 0x4000000, CFG_FLASH_BASE + 0x4000000, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 0, 0, BOOKE_PAGESZ_64M, 1), /* * TLB 2: 256M Non-cacheable, guarded @@ -73,21 +70,15 @@ struct fsl_e_tlb_entry tlb_table[] = { MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 3, BOOKE_PAGESZ_256M, 1), +#if defined(CFG_FPGA_BASE) /* - * TLB 4: 256M Non-cacheable, guarded - * 0xc0000000 256M Rapid IO MEM First half - */ - SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE, CFG_RIO_MEM_BASE, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 0, 4, BOOKE_PAGESZ_256M, 1), - - /* - * TLB 5: 256M Non-cacheable, guarded - * 0xd0000000 256M Rapid IO MEM Second half + * TLB 4: 1M Non-cacheable, guarded + * 0xc0000000 1M FPGA and NAND */ - SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE + 0x10000000, CFG_RIO_MEM_BASE + 0x10000000, + SET_TLB_ENTRY(1, CFG_FPGA_BASE, CFG_FPGA_BASE, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 0, 5, BOOKE_PAGESZ_256M, 1), + 0, 4, BOOKE_PAGESZ_1M, 1), +#endif /* * TLB 6: 64M Non-cacheable, guarded diff --git a/board/socrates/upm_table.h b/board/socrates/upm_table.h new file mode 100644 index 0000000..f26d8a7 --- /dev/null +++ b/board/socrates/upm_table.h @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2008 + * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com. + * + * Copyright 2004, 2007 Freescale Semiconductor, Inc. + * (C) Copyright 2003 Motorola Inc. + * Xianghua Xiao, (X.Xiao@motorola.com) + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.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 + */ + +#ifndef __UPM_TABLE_H +#define __UPM_TABLE_H + +/* UPM Table Configuration Code for FPGA access */ +static const unsigned int UPMTableA[] = +{ + 0x00fcfc00, 0x00fcfc00, 0x00fcfc00, 0x00fcfc00, //Words 0 to 3 + 0x00fcfc00, 0x00fcfc00, 0x00fcfc00, 0x00fcfc05, //Words 4 to 7 + 0x00fcfc00, 0x00fcfc00, 0x00fcfc04, 0x00fcfc04, //Words 8 to 11 + 0x00fcfc04, 0x00fcfc04, 0x00fcfc04, 0x00fcfc04, //Words 12 to 15 + 0x00fcfc04, 0x00fcfc04, 0x00fcfc00, 0xfffffc00, //Words 16 to 19 + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, //Words 20 to 23 + 0x0ffffc00, 0x0ffffc00, 0x0ffffc00, 0x00f3fc04, //Words 24 to 27 + 0x0ffffc00, 0xfffffc01, 0xfffffc00, 0xfffffc01, //Words 28 to 31 + 0x0ffffc00, 0x00f3fc04, 0x00f3fc04, 0x00f3fc04, //Words 32 to 35 + 0x00f3fc04, 0x00f3fc04, 0x00f3fc04, 0x00f3fc04, //Words 36 to 39 + 0x00f3fc04, 0x0ffffc00, 0xfffffc00, 0xfffffc00, //Words 40 to 43 + 0xfffffc01, 0xfffffc00, 0xfffffc00, 0xfffffc01, //Words 44 to 47 + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, //Words 48 to 51 + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, //Words 52 to 55 + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, //Words 56 to 59 + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01 //Words 60 to 63 +}; + +#endif |