diff options
Diffstat (limited to 'qemu/roms/u-boot/include/configs/stxxtc.h')
| -rw-r--r-- | qemu/roms/u-boot/include/configs/stxxtc.h | 485 |
1 files changed, 485 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/include/configs/stxxtc.h b/qemu/roms/u-boot/include/configs/stxxtc.h new file mode 100644 index 000000000..4e3b7277f --- /dev/null +++ b/qemu/roms/u-boot/include/configs/stxxtc.h @@ -0,0 +1,485 @@ +/* + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Dan Malek, Embedded Edge, LLC, dan@embeddededge.com + * U-Boot port on STx XTc 8xx board + * Mostly copied from Panto's NETTA2 board. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_MPC875 1 /* This is a MPC875 CPU */ +#define CONFIG_STXXTC 1 /* ...on a STx XTc board */ + +#define CONFIG_SYS_TEXT_BASE 0x40F00000 + +#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ +#undef CONFIG_8xx_CONS_SMC2 +#undef CONFIG_8xx_CONS_NONE + +#define CONFIG_BAUDRATE 115200 /* console baudrate = 115.2kbps */ + +#define CONFIG_XIN 10000000 /* 10 MHz input xtal */ + +/* Select one of few clock rates defined later in this file. +*/ +/* #define MPC8XX_HZ 50000000 */ +#define MPC8XX_HZ 66666666 + +#define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ + +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#endif + +#undef CONFIG_CLOCKS_IN_MHZ /* clocks NOT passsed to Linux in MHz */ + +#undef CONFIG_BOOTARGS +#define CONFIG_BOOTCOMMAND \ + "tftpboot; " \ + "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ + "bootm" + +#define CONFIG_SOURCE +#define CONFIG_LOADS_ECHO 0 /* echo off for serial download */ +#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +#define CONFIG_STATUS_LED 1 /* Status LED enabled */ +#define CONFIG_BOARD_SPECIFIC_LED /* version has board specific leds */ + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_SUBNETMASK +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_NISDOMAIN + + +#undef CONFIG_MAC_PARTITION +#undef CONFIG_DOS_PARTITION + +#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ + +#define FEC_ENET 1 /* eth.c needs it that way... */ +#undef CONFIG_SYS_DISCOVER_PHY +#define CONFIG_MII 1 +#define CONFIG_MII_INIT 1 +#undef CONFIG_RMII + +#define CONFIG_ETHER_ON_FEC1 1 +#define CONFIG_FEC1_PHY 1 /* phy address of FEC */ +#undef CONFIG_FEC1_PHY_NORXERR + +#define CONFIG_ETHER_ON_FEC2 1 +#define CONFIG_FEC2_PHY 3 +#undef CONFIG_FEC2_PHY_NORXERR + +#define CONFIG_ENV_OVERWRITE 1 /* allow modification of vendor params */ + + +/* + * Command line configuration. + */ +#include <config_cmd_default.h> + +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_MII +#define CONFIG_CMD_NFS +#define CONFIG_CMD_PING + + +#define CONFIG_BOARD_EARLY_INIT_F 1 +#define CONFIG_MISC_INIT_R + +/* + * Miscellaneous configurable options + */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_PROMPT "xtc> " /* Monitor Command Prompt */ + +#define CONFIG_SYS_HUSH_PARSER 1 + +#if defined(CONFIG_CMD_KGDB) +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ + +#define CONFIG_SYS_MEMTEST_START 0x0300000 /* memtest works on */ +#define CONFIG_SYS_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */ + +#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ + +/* + * Low Level Configuration Settings + * (address mappings, register initial values, etc.) + * You should know what you are doing if you make changes here. + */ +/*----------------------------------------------------------------------- + * Internal Memory Mapped Register + */ +#define CONFIG_SYS_IMMR 0xFF000000 + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in DPRAM) + */ +#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR +#define CONFIG_SYS_INIT_RAM_SIZE 0x3000 /* Size of used area in DPRAM */ +#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 + */ +#define CONFIG_SYS_SDRAM_BASE 0x00000000 +#define CONFIG_SYS_FLASH_BASE 0x40000000 +#if defined(DEBUG) +#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#else +#define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ +#endif + +/* yes this is weird, I know :) */ +#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE | 0x00F00000) +#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ + +#define CONFIG_SYS_RESET_ADDRESS 0x80000000 + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CONFIG_ENV_IS_IN_FLASH 1 +#define CONFIG_ENV_SECT_SIZE 0x10000 + +#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x00000000) +#define CONFIG_ENV_OFFSET 0 +#define CONFIG_ENV_SIZE 0x4000 + +#define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + 0x00010000) +#define CONFIG_ENV_OFFSET_REDUND 0 +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE + +#define CONFIG_SYS_FLASH_CFI 1 +#define CONFIG_FLASH_CFI_DRIVER 1 +#undef CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes (20x faster) */ +#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ +#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */ + +#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE + 0x2000000 } + +#define CONFIG_SYS_FLASH_PROTECTION + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ +#if defined(CONFIG_CMD_KGDB) +#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ +#endif + +/*----------------------------------------------------------------------- + * SYPCR - System Protection Control 11-9 + * SYPCR can only be written once after reset! + *----------------------------------------------------------------------- + * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze + */ +#if defined(CONFIG_WATCHDOG) +#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ + SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) +#else +#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) +#endif + +/*----------------------------------------------------------------------- + * SIUMCR - SIU Module Configuration 11-6 + *----------------------------------------------------------------------- + * PCMCIA config., multi-function pin tri-state + */ +#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC | SIUMCR_GB5E) + +/*----------------------------------------------------------------------- + * TBSCR - Time Base Status and Control 11-26 + *----------------------------------------------------------------------- + * Clear Reference Interrupt Status, Timebase freezing enabled + */ +#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) + +/*----------------------------------------------------------------------- + * RTCSC - Real-Time Clock Status and Control Register 11-27 + *----------------------------------------------------------------------- + */ +#define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) + +/*----------------------------------------------------------------------- + * PISCR - Periodic Interrupt Status and Control 11-31 + *----------------------------------------------------------------------- + * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled + */ +#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) + +/*----------------------------------------------------------------------- + * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 + *----------------------------------------------------------------------- + * Reset PLL lock status sticky bit, timer expired status bit and timer + * interrupt status bit + * + */ + +#if CONFIG_XIN == 10000000 + +#if MPC8XX_HZ == 50000000 +#define CONFIG_SYS_PLPRCR ((0 << PLPRCR_MFN_SHIFT) | (0 << PLPRCR_MFD_SHIFT) | \ + (1 << PLPRCR_S_SHIFT) | (10 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \ + PLPRCR_TEXPS) +#elif MPC8XX_HZ == 66666666 +#define CONFIG_SYS_PLPRCR ((1 << PLPRCR_MFN_SHIFT) | (2 << PLPRCR_MFD_SHIFT) | \ + (1 << PLPRCR_S_SHIFT) | (13 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \ + PLPRCR_TEXPS) +#else +#error unsupported CPU freq for XIN = 10MHz +#endif +#else +#error unsupported freq for XIN (must be 10MHz) +#endif + + +/* + *----------------------------------------------------------------------- + * SCCR - System Clock and reset Control Register 15-27 + *----------------------------------------------------------------------- + * Set clock output, timebase and RTC source and divider, + * power management and some other internal clocks + * + * Note: When TBS == 0 the timebase is independent of current cpu clock. + */ + +#define SCCR_MASK SCCR_EBDF11 +#if MPC8XX_HZ > 66666666 +#define CONFIG_SYS_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \ + SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ + SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ + SCCR_DFALCD00 | SCCR_EBDF01) +#else +#define CONFIG_SYS_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \ + SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ + SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ + SCCR_DFALCD00) +#endif + +/*----------------------------------------------------------------------- + * + *----------------------------------------------------------------------- + * + */ +/*#define CONFIG_SYS_DER 0x2002000F*/ +#define CONFIG_SYS_DER 0 + +/* + * Init Memory Controller: + * + * BR0/1 and OR0/1 (FLASH) + */ + +#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ +#define FLASH_BASE1_PRELIM 0x42000000 /* FLASH bank #1 */ + +/* used to re-map FLASH both when starting from SRAM or FLASH: + * restrict access enough to keep SRAM working (if any) + * but not too much to meddle with FLASH accesses + */ + +#define FLASH_BANK_MAX_SIZE 0x01000000 /* max size per chip */ + +#define CONFIG_SYS_REMAP_OR_AM 0x80000000 +#define CONFIG_SYS_PRELIM_OR_AM (0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1)) + +/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ +#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX) + +#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) +#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) +#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) + +#define CONFIG_SYS_OR1_PRELIM ((0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1)) | CONFIG_SYS_OR_TIMING_FLASH) +#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) + +/* + * BR4 and OR4 (SDRAM) + * + */ +#define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */ +#define SDRAM_MAX_SIZE (256 << 20) /* max 256MB per bank */ + +/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ +#define CONFIG_SYS_OR_TIMING_SDRAM (OR_CSNT_SAM | OR_G5LS) + +#define CONFIG_SYS_OR4_PRELIM ((0xFFFFFFFFLU & ~(SDRAM_MAX_SIZE - 1)) | CONFIG_SYS_OR_TIMING_SDRAM) +#define CONFIG_SYS_BR4_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_PS_32 | BR_V) + +/* + * Memory Periodic Timer Prescaler + */ + +/* + * Memory Periodic Timer Prescaler + * + * The Divider for PTA (refresh timer) configuration is based on an + * example SDRAM configuration (64 MBit, one bank). The adjustment to + * the number of chip selects (NCS) and the actually needed refresh + * rate is done by setting MPTPR. + * + * PTA is calculated from + * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) + * + * gclk CPU clock (not bus clock!) + * Trefresh Refresh cycle * 4 (four word bursts used) + * + * 4096 Rows from SDRAM example configuration + * 1000 factor s -> ms + * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration + * 4 Number of refresh cycles per period + * 64 Refresh cycle in ms per number of rows + * -------------------------------------------- + * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 + * + * 50 MHz => 50.000.000 / Divider = 98 + * 66 Mhz => 66.000.000 / Divider = 129 + * 80 Mhz => 80.000.000 / Divider = 156 + */ + +#define CONFIG_SYS_MAMR_PTA 234 + +/* + * For 16 MBit, refresh rates could be 31.3 us + * (= 64 ms / 2K = 125 / quad bursts). + * For a simpler initialization, 15.6 us is used instead. + * + * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks + * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank + */ +#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ +#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ + +/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ +#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ +#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ + +/* + * MAMR settings for SDRAM + */ + +/* 8 column SDRAM */ +#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ + MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ + MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) + +/* 9 column SDRAM */ +#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ + MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ + MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) + +#define CONFIG_LAST_STAGE_INIT /* needed to reset the damn phys */ + +/****************************************************************/ + +#define NAND_SIZE 0x00010000 /* 64K */ +#define NAND_BASE 0xF1000000 + +/*****************************************************************************/ + +#define CONFIG_SYS_DIRECT_FLASH_TFTP + +/*****************************************************************************/ + +/* Status Leds are on the MODCK pins, which become the PCMCIA PGCRB, + * CxOE and CxRESET. We use the CxOE. + */ +#define STATUS_LED_BIT 0x00000080 /* bit 24 */ + +#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) +#define STATUS_LED_STATE STATUS_LED_BLINKING + +#define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */ +#define STATUS_LED_BOOT 0 /* LED 0 used for boot status */ + +#ifndef __ASSEMBLY__ + +/* LEDs */ + +/* led_id_t is unsigned int mask */ +typedef unsigned int led_id_t; + +#define __led_toggle(_msk) \ + do { \ + ((volatile immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcrb ^= (_msk); \ + } while(0) + +#define __led_set(_msk, _st) \ + do { \ + if ((_st)) \ + ((volatile immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcrb |= (_msk); \ + else \ + ((volatile immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcrb &= ~(_msk); \ + } while(0) + +#define __led_init(msk, st) __led_set(msk, st) + +#endif + +/******************************************************************************/ + +#define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 +#define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE 1 +#define CONFIG_SYS_CONSOLE_ENV_OVERWRITE 1 + +/******************************************************************************/ + +/* use board specific hardware */ +#undef CONFIG_WATCHDOG /* watchdog disabled */ +#define CONFIG_HW_WATCHDOG + +/*****************************************************************************/ + +#define CONFIG_AUTO_COMPLETE 1 +#define CONFIG_CRC32_VERIFY 1 +#define CONFIG_HUSH_OLD_PARSER_COMPATIBLE 1 + +/*****************************************************************************/ + +/* pass open firmware flattened device tree */ +#define CONFIG_OF_LIBFDT 1 + +#define OF_TBCLK (MPC8XX_HZ / 16) + +#endif /* __CONFIG_H */ |