diff options
Diffstat (limited to 'board/ait/cam_enc_4xx')
| -rw-r--r-- | board/ait/cam_enc_4xx/Makefile | 46 | ||||
| -rw-r--r-- | board/ait/cam_enc_4xx/cam_enc_4xx.c | 446 | ||||
| -rw-r--r-- | board/ait/cam_enc_4xx/config.mk | 15 | ||||
| -rw-r--r-- | board/ait/cam_enc_4xx/u-boot-spl.lds | 73 | ||||
| -rw-r--r-- | board/ait/cam_enc_4xx/ublimage.cfg | 48 |
5 files changed, 628 insertions, 0 deletions
diff --git a/board/ait/cam_enc_4xx/Makefile b/board/ait/cam_enc_4xx/Makefile new file mode 100644 index 0000000..2b22124 --- /dev/null +++ b/board/ait/cam_enc_4xx/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000, 2001, 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> +# +# 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := $(BOARD).o +SOBJS := + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +######################################################################### +# This is for $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/ait/cam_enc_4xx/cam_enc_4xx.c b/board/ait/cam_enc_4xx/cam_enc_4xx.c new file mode 100644 index 0000000..1351358 --- /dev/null +++ b/board/ait/cam_enc_4xx/cam_enc_4xx.c @@ -0,0 +1,446 @@ +/* + * Copyright (C) 2009 Texas Instruments Incorporated + * + * Copyright (C) 2011 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <common.h> +#include <linux/mtd/nand.h> +#include <nand.h> +#include <miiphy.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/nand_defs.h> +#include <asm/arch/davinci_misc.h> +#ifdef CONFIG_DAVINCI_MMC +#include <mmc.h> +#include <asm/arch/sdmmc_defs.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +#ifndef CONFIG_SPL_BUILD +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_MAX_RAM_BANK_SIZE); + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; +} + +static struct davinci_timer *timer = + (struct davinci_timer *)DAVINCI_TIMER3_BASE; + +static unsigned long get_timer_val(void) +{ + unsigned long now = readl(&timer->tim34); + + return now; +} + +static void stop_timer(void) +{ + writel(0x0, &timer->tcr); + return; +} + +int checkboard(void) +{ + printf("Board: AIT CAM ENC 4XX\n"); + return 0; +} + +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +#ifdef CONFIG_DRIVER_TI_EMAC +int board_eth_init(bd_t *bis) +{ + davinci_emac_initialize(); + + return 0; +} +#endif + +#ifdef CONFIG_NAND_DAVINCI +static int +davinci_std_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip, + uint8_t *buf, int page) +{ + struct nand_chip *this = mtd->priv; + int i, eccsize = chip->ecc.size; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; + uint8_t *p = buf; + uint8_t *oob = chip->oob_poi; + + chip->cmdfunc(mtd, NAND_CMD_READOOB, 0x0, page & this->pagemask); + + chip->read_buf(mtd, oob, mtd->oobsize); + + chip->cmdfunc(mtd, NAND_CMD_READ0, 0x0, page & this->pagemask); + + + for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { + int stat; + + chip->ecc.hwctl(mtd, NAND_ECC_READ); + chip->read_buf(mtd, p, eccsize); + chip->ecc.hwctl(mtd, NAND_ECC_READSYN); + + if (chip->ecc.prepad) + oob += chip->ecc.prepad; + + stat = chip->ecc.correct(mtd, p, oob, NULL); + + if (stat == -1) + mtd->ecc_stats.failed++; + else + mtd->ecc_stats.corrected += stat; + + oob += eccbytes; + + if (chip->ecc.postpad) + oob += chip->ecc.postpad; + } + + /* Calculate remaining oob bytes */ + i = mtd->oobsize - (oob - chip->oob_poi); + if (i) + chip->read_buf(mtd, oob, i); + + return 0; +} + +static void davinci_std_write_page_syndrome(struct mtd_info *mtd, + struct nand_chip *chip, const uint8_t *buf) +{ + unsigned char davinci_ecc_buf[NAND_MAX_OOBSIZE]; + struct nand_chip *this = mtd->priv; + int i, eccsize = chip->ecc.size; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; + int chunk = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad; + int offset = 0; + const uint8_t *p = buf; + uint8_t *oob = chip->oob_poi; + + for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { + chip->ecc.hwctl(mtd, NAND_ECC_WRITE); + chip->write_buf(mtd, p, eccsize); + + /* Calculate ECC without prepad */ + chip->ecc.calculate(mtd, p, oob + chip->ecc.prepad); + + if (chip->ecc.prepad) { + offset = (chip->ecc.steps - eccsteps) * chunk; + memcpy(&davinci_ecc_buf[offset], oob, chip->ecc.prepad); + oob += chip->ecc.prepad; + } + + offset = ((chip->ecc.steps - eccsteps) * chunk) + + chip->ecc.prepad; + memcpy(&davinci_ecc_buf[offset], oob, eccbytes); + oob += eccbytes; + + if (chip->ecc.postpad) { + offset = ((chip->ecc.steps - eccsteps) * chunk) + + chip->ecc.prepad + eccbytes; + memcpy(&davinci_ecc_buf[offset], oob, + chip->ecc.postpad); + oob += chip->ecc.postpad; + } + } + + /* + * Write the sparebytes into the page once + * all eccsteps have been covered + */ + for (i = 0; i < mtd->oobsize; i++) + writeb(davinci_ecc_buf[i], this->IO_ADDR_W); + + /* Calculate remaining oob bytes */ + i = mtd->oobsize - (oob - chip->oob_poi); + if (i) + chip->write_buf(mtd, oob, i); +} + +static int davinci_std_write_oob_syndrome(struct mtd_info *mtd, + struct nand_chip *chip, int page) +{ + int pos, status = 0; + const uint8_t *bufpoi = chip->oob_poi; + + pos = mtd->writesize; + + chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page); + + chip->write_buf(mtd, bufpoi, mtd->oobsize); + + chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); + status = chip->waitfunc(mtd, chip); + + return status & NAND_STATUS_FAIL ? -1 : 0; +} + +static int davinci_std_read_oob_syndrome(struct mtd_info *mtd, + struct nand_chip *chip, int page, int sndcmd) +{ + struct nand_chip *this = mtd->priv; + uint8_t *buf = chip->oob_poi; + uint8_t *bufpoi = buf; + + chip->cmdfunc(mtd, NAND_CMD_READOOB, 0x0, page & this->pagemask); + + chip->read_buf(mtd, bufpoi, mtd->oobsize); + + return 1; +} + +static void nand_dm365evm_select_chip(struct mtd_info *mtd, int chip) +{ + struct nand_chip *this = mtd->priv; + unsigned long wbase = (unsigned long) this->IO_ADDR_W; + unsigned long rbase = (unsigned long) this->IO_ADDR_R; + + if (chip == 1) { + __set_bit(14, &wbase); + __set_bit(14, &rbase); + } else { + __clear_bit(14, &wbase); + __clear_bit(14, &rbase); + } + this->IO_ADDR_W = (void *)wbase; + this->IO_ADDR_R = (void *)rbase; +} + +int board_nand_init(struct nand_chip *nand) +{ + davinci_nand_init(nand); + nand->select_chip = nand_dm365evm_select_chip; + + return 0; +} + +struct nand_ecc_ctrl org_ecc; +static int notsaved = 1; + +static int nand_switch_hw_func(int mode) +{ + struct nand_chip *nand; + struct mtd_info *mtd; + + if (nand_curr_device < 0 || + nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE || + !nand_info[nand_curr_device].name) { + printf("Error: Can't switch hw functions," \ + " no devices available\n"); + return -1; + } + + mtd = &nand_info[nand_curr_device]; + nand = mtd->priv; + + if (mode == 0) { + printf("switching to uboot hw functions.\n"); + memcpy(&nand->ecc, &org_ecc, sizeof(struct nand_ecc_ctrl)); + } else { + /* RBL */ + printf("switching to RBL hw functions.\n"); + if (notsaved == 1) { + memcpy(&org_ecc, &nand->ecc, + sizeof(struct nand_ecc_ctrl)); + notsaved = 0; + } + nand->ecc.mode = NAND_ECC_HW_SYNDROME; + nand->ecc.prepad = 6; + nand->ecc.read_page = davinci_std_read_page_syndrome; + nand->ecc.write_page = davinci_std_write_page_syndrome; + nand->ecc.read_oob = davinci_std_read_oob_syndrome; + nand->ecc.write_oob = davinci_std_write_oob_syndrome; + } + return mode; +} + +static int hwmode; + +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], "rbl", 2) == 0) + hwmode = nand_switch_hw_func(1); + else if (strncmp(argv[1], "uboot", 2) == 0) + hwmode = nand_switch_hw_func(0); + else + goto usage; + + return 0; + +usage: + printf("Usage: nandrbl %s\n", cmdtp->usage); + return 1; +} + +U_BOOT_CMD( + nandrbl, 2, 1, do_switch_ecc, + "switch between rbl/uboot NAND ECC calculation algorithm", + "[rbl/uboot] - Switch between rbl/uboot NAND ECC algorithm" +); + + +#endif /* #ifdef CONFIG_NAND_DAVINCI */ + +#ifdef CONFIG_DAVINCI_MMC +static struct davinci_mmc mmc_sd0 = { + .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE, + .input_clk = 121500000, + .host_caps = MMC_MODE_4BIT, + .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, + .version = MMC_CTLR_VERSION_2, +}; + +int board_mmc_init(bd_t *bis) +{ + int err; + + /* Add slot-0 to mmc subsystem */ + err = davinci_mmc_init(bis, &mmc_sd0); + + return err; +} +#endif + +int board_late_init(void) +{ + struct davinci_gpio *gpio = davinci_gpio_bank45; + + /* 24MHz InputClock / 15 prediv -> 1.6 MHz timer running */ + while (get_timer_val() < 0x186a00) + ; + + /* 1 sec reached -> stop timer, clear all LED */ + stop_timer(); + clrbits_le32(&gpio->out_data, CONFIG_CAM_ENC_LED_MASK); + return 0; +} + +void reset_phy(void) +{ + char *name = "GENERIC @ 0x00"; + + /* reset the phy */ + miiphy_reset(name, 0x0); +} + +#else /* #ifndef CONFIG_SPL_BUILD */ +static void cam_enc_4xx_set_all_led(void) +{ + struct davinci_gpio *gpio = davinci_gpio_bank45; + + setbits_le32(&gpio->out_data, CONFIG_CAM_ENC_LED_MASK); +} + +/* + * TIMER 0 is used for tick + */ +static struct davinci_timer *timer = + (struct davinci_timer *)DAVINCI_TIMER3_BASE; + +#define TIMER_LOAD_VAL 0xffffffff +#define TIM_CLK_DIV 16 + +static int cam_enc_4xx_timer_init(void) +{ + /* We are using timer34 in unchained 32-bit mode, full speed */ + writel(0x0, &timer->tcr); + writel(0x0, &timer->tgcr); + writel(0x06 | ((TIM_CLK_DIV - 1) << 8), &timer->tgcr); + writel(0x0, &timer->tim34); + writel(TIMER_LOAD_VAL, &timer->prd34); + writel(2 << 22, &timer->tcr); + return 0; +} + +void board_gpio_init(void) +{ + struct davinci_gpio *gpio; + + cam_enc_4xx_set_all_led(); + cam_enc_4xx_timer_init(); + gpio = davinci_gpio_bank01; + clrbits_le32(&gpio->dir, ~0xfdfffffe); + /* clear LED D14 = GPIO25 */ + clrbits_le32(&gpio->out_data, 0x02000000); + gpio = davinci_gpio_bank23; + clrbits_le32(&gpio->dir, ~0x5ff0afef); + /* set GPIO61 to 1 -> intern UART0 as Console */ + setbits_le32(&gpio->out_data, 0x20000000); + /* + * PHY out of reset GIO 50 = 1 + * NAND WP off GIO 51 = 1 + */ + setbits_le32(&gpio->out_data, 0x000c0004); + gpio = davinci_gpio_bank45; + clrbits_le32(&gpio->dir, ~(0xdb2fffff) | CONFIG_CAM_ENC_LED_MASK); + /* + * clear LED: + * D17 = GPIO86 + * D11 = GPIO87 + * GPIO88 + * GPIO89 + * D13 = GPIO90 + * GPIO91 + */ + clrbits_le32(&gpio->out_data, CONFIG_CAM_ENC_LED_MASK); + gpio = davinci_gpio_bank67; + clrbits_le32(&gpio->dir, ~0x000007ff); +} + +/* + * functions for the post memory test. + */ +int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset) +{ + *vstart = CONFIG_SYS_SDRAM_BASE; + *size = PHYS_SDRAM_1_SIZE; + *phys_offset = 0; + return 0; +} + +void arch_memory_failure_handle(void) +{ + cam_enc_4xx_set_all_led(); + puts("mem failure\n"); + while (1) + ; +} +#endif diff --git a/board/ait/cam_enc_4xx/config.mk b/board/ait/cam_enc_4xx/config.mk new file mode 100644 index 0000000..b1f9b6c --- /dev/null +++ b/board/ait/cam_enc_4xx/config.mk @@ -0,0 +1,15 @@ +# +# AIT cam_enc_4xx board +# cam_enc_4xx board has 1 bank of 256 MB DDR RAM +# Physical Address: 8000'0000 to 9000'0000 +# +# Linux Kernel is expected to be at 8000'8000, entry 8000'8000 +# (mem base + reserved) +# + +#Provide at least 16MB spacing between us and the Linux Kernel image +PAD_TO := 12320 +UBL_CONFIG = $(SRCTREE)/board/$(BOARDDIR)/ublimage.cfg +ifndef CONFIG_SPL_BUILD +ALL-y += $(obj)u-boot.ubl +endif diff --git a/board/ait/cam_enc_4xx/u-boot-spl.lds b/board/ait/cam_enc_4xx/u-boot-spl.lds new file mode 100644 index 0000000..6f6e065 --- /dev/null +++ b/board/ait/cam_enc_4xx/u-boot-spl.lds @@ -0,0 +1,73 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * (C) Copyright 2008 + * Guennadi Liakhovetki, DENX Software Engineering, <lg@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 + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + __start = .; + arch/arm/cpu/arm926ejs/start.o (.text) + *(.text*) + } >.sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + . = ALIGN(4); + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } >.sram + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } >.sram + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end__ = .; + } >.sram + + __image_copy_end = .; + _end = .; +} diff --git a/board/ait/cam_enc_4xx/ublimage.cfg b/board/ait/cam_enc_4xx/ublimage.cfg new file mode 100644 index 0000000..95182ca --- /dev/null +++ b/board/ait/cam_enc_4xx/ublimage.cfg @@ -0,0 +1,48 @@ +# +# (C Copyright 2011 +# Heiko Schocher DENX Software Engineering hs@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. 51 Franklin Street Fifth Floor Boston, +# MA 02110-1301 USA +# +# Refer doc/README.ublimage for more details about how-to configure +# and create ublimage boot image +# +# The syntax is taken as close as possible with the kwbimage + +# UBL special mode : one of +# safe (the board has no nand neither onenand) +MODE safe + +# Entry point address for the user bootloader (absolute address) +# nand spl TEXT_BASE = 0x20 !! +ENTRY 0x00000020 + +# Number of pages (size of user bootloader in number of pages) +# @ nand spl 6 pages +PAGES 6 + +# Block number where user bootloader is present +# RBL starts always with block 1 +START_BLOCK 5 + +# Page number where user bootloader is present +# Page 0 is always UBL header +START_PAGE 0 + +LD_ADDR 0x20 |