diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-arm/arch-mx28/clkctrl.h | 64 | ||||
| -rw-r--r-- | include/asm-arm/arch-mx28/dbguart.h | 30 | ||||
| -rw-r--r-- | include/asm-arm/arch-mx28/mx28.h | 40 | ||||
| -rw-r--r-- | include/asm-arm/arch-mx28/ocotp.h | 69 | ||||
| -rw-r--r-- | include/asm-arm/arch-mx28/pinmux.h | 42 | ||||
| -rw-r--r-- | include/asm-arm/arch-mx28/spi.h | 69 | ||||
| -rw-r--r-- | include/asm-arm/arch-mx28/ssp.h | 100 | ||||
| -rw-r--r-- | include/asm-arm/arch-mx28/timrot.h | 63 | ||||
| -rw-r--r-- | include/configs/mx28.h | 150 |
9 files changed, 627 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mx28/clkctrl.h b/include/asm-arm/arch-mx28/clkctrl.h new file mode 100644 index 000000000..76db80c79 --- /dev/null +++ b/include/asm-arm/arch-mx28/clkctrl.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * Clock control register descriptions + * + * 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 CLKCTRL_H +#define CLKCTRL_H + +#include <asm/arch/mx28.h> + +#define CLKCTRL_BASE (MX28_REGS_BASE + 0x40000) + +#define CLKCTRL_PLLCTRL0 0x000 +#define CLKCTRL_PLLCTRL1 0x010 +#define CLKCTRL_CPU 0x020 +#define CLKCTRL_HBUS 0x030 +#define CLKCTRL_XBUS 0x040 +#define CLKCTRL_XTAL 0x050 +#define CLKCTRL_PIX 0x060 +#define CLKCTRL_SSP 0x070 +#define CLKCTRL_GPMI 0x080 +#define CLKCTRL_SPDIF 0x090 +#define CLKCTRL_EMI 0x0a0 +#define CLKCTRL_IR 0x0b0 +#define CLKCTRL_SAIF 0x0c0 +#define CLKCTRL_TV 0x0d0 +#define CLKCTRL_ETM 0x0e0 +#define CLKCTRL_FRAC 0x0f0 +#define CLKCTRL_FRAC1 0x100 +#define CLKCTRL_CLKSEQ 0x110 +#define CLKCTRL_RESET 0x120 +#define CLKCTRL_STATUS 0x130 +#define CLKCTRL_VERSION 0x140 + +/* CLKCTRL_SSP register bits, bit fields and values */ +#define SSP_CLKGATE (1 << 31) +#define SSP_BUSY (1 << 29) +#define SSP_DIV_FRAC_EN (1 << 9) +#define SSP_DIV 0 + +/* CLKCTRL_FRAC register bits, bit fields and values */ +#define FRAC_CLKGATEIO (1 << 31) +#define FRAC_IOFRAC 24 + +/* CLKCTRL_FRAC register bits, bit fields and values */ +#define CLKSEQ_BYPASS_SSP (1 << 5) + +#endif /* CLKCTRL_H */ diff --git a/include/asm-arm/arch-mx28/dbguart.h b/include/asm-arm/arch-mx28/dbguart.h new file mode 100644 index 000000000..b9a4bae71 --- /dev/null +++ b/include/asm-arm/arch-mx28/dbguart.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * Debug UART register definitions + * + * 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 DBGUART_H +#define DBGUART_H + +#include <asm/arch/mx28.h> + +#define DBGUART_BASE (MX28_REGS_BASE + 0x00070000) + +#endif /* DBGUART_H */ diff --git a/include/asm-arm/arch-mx28/mx28.h b/include/asm-arm/arch-mx28/mx28.h new file mode 100644 index 000000000..b6343f3a5 --- /dev/null +++ b/include/asm-arm/arch-mx28/mx28.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * 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 MX28_H +#define MX28_H + +/* + * Most of MX28 SoC registers are associated with four addresses + * used for different operations - read/write, set, clear and toggle bits. + * + * Some of registers do not implement such feature and, thus, should be + * accessed/manipulated via single address in common way. + */ +#define REG_RD(x) (*(volatile unsigned int *)(x)) +#define REG_WR(x, v) ((*(volatile unsigned int *)(x)) = (v)) +#define REG_SET(x, v) ((*(volatile unsigned int *)((x) + 0x04)) = (v)) +#define REG_CLR(x, v) ((*(volatile unsigned int *)((x) + 0x08)) = (v)) +#define REG_TOG(x, v) ((*(volatile unsigned int *)((x) + 0x0c)) = (v)) + +#define MX28_OCRAM_BASE 0x00000000 +#define MX28_SDRAM_BASE 0x40000000 +#define MX28_REGS_BASE 0x80000000 + +#endif /* MX28_H */ diff --git a/include/asm-arm/arch-mx28/ocotp.h b/include/asm-arm/arch-mx28/ocotp.h new file mode 100644 index 000000000..9396820a0 --- /dev/null +++ b/include/asm-arm/arch-mx28/ocotp.h @@ -0,0 +1,69 @@ +/* Copyright 2009 Freescale Semiconductor, Inc. + * + * On-Chip OTP register descriptions + * + * 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 OCOTP_H +#define OCOTP_H + +#include <asm/arch/mx28.h> + +#define OCOTP_BASE (MX28_REGS_BASE + 0x2c000) + +#define OCOTP_CTRL 0x000 +#define OCOTP_CTRL_SET 0x004 +#define OCOTP_CTRL_CLR 0x008 +#define OCOTP_CTRL_TOG 0x00c +#define OCOTP_DATA 0x010 +#define OCOTP_CUST0 0x020 +#define OCOTP_CUST1 0x030 +#define OCOTP_CUST2 0x040 +#define OCOTP_CUST3 0x050 +#define OCOTP_CRYPTO1 0x070 +#define OCOTP_CRYPTO2 0x080 +#define OCOTP_CRYPTO3 0x090 +#define OCOTP_HWCAP0 0x0a0 +#define OCOTP_HWCAP1 0x0b0 +#define OCOTP_HWCAP2 0x0c0 +#define OCOTP_HWCAP3 0x0d0 +#define OCOTP_HWCAP4 0x0e0 +#define OCOTP_HWCAP5 0x0f0 +#define OCOTP_SWCAP 0x100 +#define OCOTP_CUSTCAP 0x110 +#define OCOTP_LOCK 0x120 +#define OCOTP_OPS0 0x130 +#define OCOTP_OPS1 0x140 +#define OCOTP_OPS2 0x150 +#define OCOTP_OPS3 0x160 +#define OCOTP_UN0 0x170 +#define OCOTP_UN1 0x180 +#define OCOTP_UN2 0x190 +#define OCOTP_ROM0 0x1a0 +#define OCOTP_ROM1 0x1b0 +#define OCOTP_ROM2 0x1c0 +#define OCOTP_ROM3 0x1d0 +#define OCOTP_ROM4 0x1e0 +#define OCOTP_ROM5 0x1f0 +#define OCOTP_ROM6 0x200 +#define OCOTP_ROM7 0x210 +#define OCOTP_VERSION 0x220 + + +/* OCOTP_CTRL register bits, bit fields and values */ +#define CTRL_RD_BANK_OPEN (1 << 12) +#define CTRL_BUSY (8 << 12) + +#endif /* OCOTP_H */ diff --git a/include/asm-arm/arch-mx28/pinmux.h b/include/asm-arm/arch-mx28/pinmux.h new file mode 100644 index 000000000..db581bcd8 --- /dev/null +++ b/include/asm-arm/arch-mx28/pinmux.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * Clock control register descriptions + * + * 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 PINMUX_H +#define PINMUX_H + +#include <asm/arch/mx28.h> + +#define PINCTRL_BASE (MX28_REGS_BASE + 0x18000) + +#define PINCTRL_CTRL 0x000 +#define PINCTRL_MUXSEL(n) (0x100 + 0x10*(n)) +#define PINCTRL_DRIVE(n) (0x200 + 0x10*(n)) +#define PINCTRL_PULL(n) (0x400 + 0x10*(n)) +#define PINCTRL_DOUT(n) (0x500 + 0x10*(n)) +#define PINCTRL_DIN(n) (0x600 + 0x10*(n)) +#define PINCTRL_DOE(n) (0x700 + 0x10*(n)) +#define PINCTRL_PIN2IRQ(n) (0x800 + 0x10*(n)) +#define PINCTRL_IRQEN(n) (0x900 + 0x10*(n)) +#define PINCTRL_IRQLEVEL(n) (0xa00 + 0x10*(n)) +#define PINCTRL_IRQPOL(n) (0xb00 + 0x10*(n)) +#define PINCTRL_IRQSTAT(n) (0xc00 + 0x10*(n)) + +#endif /* PINMUX_H */ diff --git a/include/asm-arm/arch-mx28/spi.h b/include/asm-arm/arch-mx28/spi.h new file mode 100644 index 000000000..afd324594 --- /dev/null +++ b/include/asm-arm/arch-mx28/spi.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * SSP/SPI driver + * + * 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 SPI_H +#define SPI_H + +#include <config.h> +#include <common.h> +#include <asm/arch/ssp.h> + +/* + * Flags to set SPI mode + */ +#define SPI_PHASE 0x1 /* Set phase to 1 */ +#define SPI_POLARITY 0x2 /* Set polarity to 1 */ + +/* Various flags to control SPI transfers */ +#define SPI_START 0x1 /* Lock CS signal */ +#define SPI_STOP 0x2 /* Unlock CS signal */ + +/* + * Init SSPx interface, must be called first + */ +void spi_init(void); + +/* + * Set phase, polarity and CS number (SS0, SS1, SS2) + */ +void spi_set_cfg(unsigned int bus, unsigned int cs, unsigned long mode); + + +/* + * Send @rx_len bytes from @dout, then receive @rx_len bytes + * saving them to @din + */ +void spi_txrx(const char *dout, unsigned int tx_len, char *din, + unsigned int rx_len, unsigned long flags); + + +/* Lock/unlock SPI bus */ +static inline void spi_lock(void) +{ + disable_interrupts(); +} + +static inline void spi_unlock(void) +{ + enable_interrupts(); +} + +#endif /* SPI_H */ diff --git a/include/asm-arm/arch-mx28/ssp.h b/include/asm-arm/arch-mx28/ssp.h new file mode 100644 index 000000000..f6e8e28c4 --- /dev/null +++ b/include/asm-arm/arch-mx28/ssp.h @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * SSP register definitions + * + * 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 SSP_H +#define SSP_H + +#include <asm/arch/mx28.h> + +#define SSP1_BASE (MX28_REGS_BASE + 0x10000) +#define SSP2_BASE (MX28_REGS_BASE + 0x34000) + +#define SSP_CTRL0 0x000 +#define SSP_CMD0 0x010 +#define SSP_CMD1 0x020 +#define SSP_COMPREF 0x030 +#define SSP_COMPMASK 0x040 +#define SSP_TIMING 0x050 +#define SSP_CTRL1 0x060 +#define SSP_DATA 0x070 +#define SSP_SDRESP0 0x080 +#define SSP_SDRESP1 0x090 +#define SSP_SDRESP2 0x0a0 +#define SSP_SDRESP3 0x0b0 +#define SSP_STATUS 0x0c0 +#define SSP_DEBUG 0x100 +#define SSP_VERSION 0x110 + +/* CTRL0 bits, bit fields and values */ +#define CTRL0_SFTRST (0x1 << 31) +#define CTRL0_CLKGATE (0x1 << 30) +#define CTRL0_RUN (0x1 << 29) +#define CTRL0_LOCK_CS (0x1 << 27) +#define CTRL0_IGNORE_CRC (0x1 << 26) +#define CTRL0_DATA_XFER (0x1 << 24) +#define CTRL0_READ (0x1 << 25) +#define CTRL0_BUS_WIDTH 22 +#define CTRL0_WAIT_FOR_IRQ (0x1 << 21) +#define CTRL0_WAIT_FOR_CMD (0x1 << 20) +#define CTRL0_XFER_COUNT 0 + +#define BUS_WIDTH_SPI1 (0x0 << CTRL0_BUS_WIDTH) +#define BUS_WIDTH_SPI4 (0x1 << CTRL0_BUS_WIDTH) +#define BUS_WIDTH_SPI8 (0x2 << CTRL0_BUS_WIDTH) + +#define SPI_CS0 0x0 +#define SPI_CS1 CTRL0_WAIT_FOR_CMD +#define SPI_CS2 CTRL0_WAIT_FOR_IRQ +#define SPI_CS_CLR_MASK (CTRL0_WAIT_FOR_CMD | CTRL0_WAIT_FOR_IRQ) + +/* CMD0 bits, bit fields and values */ +#define CMD0_BLOCK_SIZE 16 +#define CMD0_BLOCK_COUNT 12 +#define CMD0_CMD 0 + +/* TIMING bits, bit fields and values */ +#define TIMING_TIMEOUT 16 +#define TIMING_CLOCK_DIVIDE 8 +#define TIMING_CLOCK_RATE 0 + +/* CTRL1 bits, bit fields and values */ +#define CTRL1_DMA_ENABLE (0x1 << 13) +#define CTRL1_PHASE (0x1 << 10) +#define CTRL1_POLARITY (0x1 << 9) +#define CTRL1_SLAVE_MODE (0x1 << 8) +#define CTRL1_WORD_LENGTH 4 +#define CTRL1_SSP_MODE 0 + +#define WORD_LENGTH4 (0x3 << CTRL1_WORD_LENGTH) +#define WORD_LENGTH8 (0x7 << CTRL1_WORD_LENGTH) +#define WORD_LENGTH16 (0xF << CTRL1_WORD_LENGTH) + +#define SSP_MODE_SPI (0x0 << CTRL1_SSP_MODE) +#define SSP_MODE_SSI (0x1 << CTRL1_SSP_MODE) +#define SSP_MODE_SD_MMC (0x3 << CTRL1_SSP_MODE) +#define SSP_MODE_MS (0x4 << CTRL1_SSP_MODE) +#define SSP_MODE_ATA (0x7 << CTRL1_SSP_MODE) + +/* CTRL1 bits, bit fields and values */ +#define STATUS_FIFO_EMPTY (1 << 5) +#define STATUS_FIFO_FULL (1 << 8) + +#endif /* SSP_H */ diff --git a/include/asm-arm/arch-mx28/timrot.h b/include/asm-arm/arch-mx28/timrot.h new file mode 100644 index 000000000..ec9e71612 --- /dev/null +++ b/include/asm-arm/arch-mx28/timrot.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * Timers and rotary encoder register definitions + * + * 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 TIMROT_H +#define TIMROT_H + +#include <asm/arch/mx28.h> + +#define TIMROT_BASE (MX28_REGS_BASE + 0x00068000) + +/* Timer and rotary encoder register offsets */ +#define ROTCTRL 0x0 +#define ROTCOUNT 0x10 +#define TIMCTRL0 0x20 +#define TIMCOUNT0 0x30 +#define TIMCTRL1 0x40 +#define TIMCOUNT1 0x50 +#define TIMCTRL2 0x60 +#define TIMCOUNT2 0x70 +#define TIMCTRL3 0x80 +#define TIMCTRL3 0x90 + +/* TIMCTRL bits, bit fields and values */ +#define TIMCTRL_SELECT 0 +#define TIMCTRL_PRESCALE 4 +#define TIMCTRL_RELOAD (1 << 6) +#define TIMCTRL_UPDATE (1 << 7) +#define TIMCTRL_POLARITY (1 << 8) +#define TIMCTRL_IRQEN (1 << 14) +#define TIMCTRL_IRQ (1 << 15) + +#define TIMCTRL_SELECT_PWM0 (0x1 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM1 (0x2 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM2 (0x3 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM3 (0x4 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM4 (0x5 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_ROTARYA (0x6 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_ROTARYB (0x7 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_32KHZ (0x8 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_8KHZ (0x9 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_4KHZ (0xa << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_1KHZ (0xb << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_ALWAYS (0xc << TIMCTRL_SELECT) + +#endif /* TIMROT_H */ diff --git a/include/configs/mx28.h b/include/configs/mx28.h new file mode 100644 index 000000000..4af0a285d --- /dev/null +++ b/include/configs/mx28.h @@ -0,0 +1,150 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions, Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * 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 __CONFIG_H +#define __CONFIG_H +#include <asm/sizes.h> + +/* + * Define this to make U-Boot skip low level initialization when loaded + * by initial bootloader. Not required by NAND U-Boot version but IS + * required for a NOR version used to burn the real NOR U-Boot into + * NOR Flash. NAND and NOR support for DaVinci chips is mutually exclusive + * so it is NOT possible to build a U-Boot with both NAND and NOR routines. + * NOR U-Boot is loaded directly from Flash so it must perform all the + * low level initialization itself. NAND version is loaded by an initial + * bootloader (UBL in TI-ese) that performs such an initialization so it's + * skipped in NAND version. The third DaVinci boot mode loads a bootloader + * via UART0 and that bootloader in turn loads and runs U-Boot (or whatever) + * performing low level init prior to loading. All that means we can NOT use + * NAND version to put U-Boot into NOR because it doesn't have NOR support and + * we can NOT use NOR version because it performs low level initialization + * effectively destroying itself in DDR memory. That's why a separate NOR + * version with this define is needed. It is loaded via UART, then one uses + * it to somehow download a proper NOR version built WITHOUT this define to + * RAM (tftp?) and burn it to NOR Flash. I would be probably able to squeeze + * NOR support into the initial bootloader so it won't be needed but DaVinci + * static RAM might be too small for this (I have something like 2Kbytes left + * as of now, without NOR support) so this might've not happened... + * + */ + +/*===================*/ +/* SoC Configuration */ +/*===================*/ +#define CONFIG_ARM926EJS /* arm926ejs CPU core */ +#define CONFIG_MX28 /* STMP378x SoC */ +#define CONFIG_SYS_CLK_FREQ 120000000 /* Arm Clock frequency */ +#define CONFIG_USE_TIMER0 /* use timer 0 */ +#define CONFIG_SYS_HZ 1000 /* Ticks per second */ +/*=============*/ +/* Memory Info */ +/*=============*/ +#define CONFIG_SYS_MALLOC_LEN (0x10000 + 128*1024) /* malloc() len */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* reserved for initial data */ +#define CONFIG_SYS_MEMTEST_START 0x40000000 /* memtest start address */ +#define CONFIG_SYS_MEMTEST_END 0x41000000 /* 16MB RAM test */ +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ +#define CONFIG_STACKSIZE (256*1024) /* regular stack */ +#define PHYS_SDRAM_1 0x40000000 /* mDDR Start */ +#define PHYS_SDRAM_1_SIZE 0x02000000 /* mDDR size 32MB */ + +/*====================*/ +/* Serial Driver info */ +/*====================*/ +#define CONFIG_STMP3XXX_DBGUART /* 378x debug UART */ +#define CONFIG_DBGUART_CLK 24000000 +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/*====================*/ +/* SPI Driver info */ +/*====================*/ +#define CONFIG_SSP_CLK 48000000 +#define CONFIG_SPI_CLK 3000000 +#define CONFIG_SPI_SSP1 +#undef CONFIG_SPI_SSP2 + +/*=====================*/ +/* Flash & Environment */ +/*=====================*/ +#define CONFIG_SYS_NO_FLASH /* Flash is not supported */ +#define CONFIG_ENV_IS_NOWHERE /* Store ENV in memory only */ +#define CONFIG_ENV_SIZE 0x20000 + +/*==============================*/ +/* U-Boot general configuration */ +/*==============================*/ +#undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */ +#define CONFIG_MISC_INIT_R +#define CONFIG_NETMASK 255.255.255.0 +#define CONFIG_IPADDR 192.167.10.2 +#define CONFIG_SERVERIP 192.167.10.1 +#define CONFIG_BOOTDELAY 2 +#define CONFIG_BOOTFILE "uImage" /* Boot file name */ +#define CONFIG_SYS_PROMPT "stmp378x U-Boot > " + /* Monitor Command Prompt */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) + /* Print buffer sz */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + /* Boot Argument Buffer Size */ +#define CONFIG_SYS_LOAD_ADDR 0x40400000 + /* default Linux kernel load address */ +#define CONFIG_VERSION_VARIABLE +#define CONFIG_AUTO_COMPLETE /* Won't work with hush so far, may be later */ +#define CFG_HUSH_PARSER +#define CFG_PROMPT_HUSH_PS2 "> " +#define CONFIG_CMDLINE_EDITING +#define CFG_LONGHELP +#define CONFIG_CRC32_VERIFY +#define CONFIG_MX_CYCLIC + +/*===================*/ +/* Linux Information */ +/*===================*/ +#define LINUX_BOOT_PARAM_ADDR 0x40000100 +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_BOOTARGS "console=ttyAM0,115200n8 "\ + "root=/dev/mtdblock1 rootfstype=jffs2 lcd_panel=lms350" +#define CONFIG_BOOTCOMMAND "tftpboot ; bootm" + +/*=================*/ +/* U-Boot commands */ +/*=================*/ +#include <config_cmd_default.h> +#define CONFIG_CMD_ASKENV +#define CONFIG_CMD_DHCP +#undef CONFIG_CMD_DIAG +#define CONFIG_CMD_MII +#define CONFIG_CMD_PING +#define CONFIG_CMD_NET +#define CONFIG_CMD_SAVES +#undef CONFIG_CMD_IMLS + +/* Ethernet chip - select an alternative driver */ +#define CONFIG_ENC28J60_ETH +#define CONFIG_ENC28J60_ETH_SPI_BUS 0 +#define CONFIG_ENC28J60_ETH_SPI_CS 0 + +#endif /* __CONFIG_H */ |