| /* |
| * (C) Copyright 2009 |
| * 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., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* |
| * configuration options, keymile 8xx board specific |
| */ |
| |
| #ifndef __CONFIG_KM8XX_H |
| #define __CONFIG_KM8XX_H |
| |
| /* |
| * High Level Configuration Options |
| * (easy to change) |
| */ |
| |
| #define CONFIG_KM8XX 1 /* on a km8xx board */ |
| |
| /* include common defines/options for all Keymile boards */ |
| #include "keymile-common.h" |
| |
| #if defined(CONFIG_KMSUPX4) |
| #undef CONFIG_I2C_MUX /* no I2C mux on this board */ |
| #endif |
| |
| #define CONFIG_8xx_GCLK_FREQ 66000000 |
| |
| #define CONFIG_SYS_SMC_UCODE_PATCH 1 /* Relocate SMC1 */ |
| #define CONFIG_SYS_SMC_DPMEM_OFFSET 0x1fc0 |
| #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| #define CONFIG_SYS_SMC_RXBUFLEN 128 |
| #define CONFIG_SYS_MAXIDLE 10 |
| |
| #define CONFIG_SYS_CPM_BOOTCOUNT_ADDR 0x1eb0 /* In case of SMC relocation, |
| * the default value is not |
| * working |
| */ |
| |
| #define BOOTFLASH_START F0000000 |
| #define CONFIG_PRAM 512 /* protected RAM [KBytes] */ |
| |
| #define CONFIG_PREBOOT "echo;" \ |
| "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \ |
| "echo" |
| |
| #define BOOTFLASH_START F0000000 |
| #define CONFIG_PRAM 512 /* protected RAM [KBytes] */ |
| |
| #if defined(CONFIG_MGSUVD) |
| #define CONFIG_ENV_IVM "EEprom_ivm=pca9544a:70:4 \0" |
| #else |
| #define CONFIG_ENV_IVM "" |
| #endif |
| |
| #define MTDIDS_DEFAULT "nor0=app" |
| #define MTDPARTS_DEFAULT \ |
| "mtdparts=app:384k(u-boot),128k(env),128k(envred),128k(free)," \ |
| "1536k(esw0),8704k(rootfs0),1536k(esw1),2432k(rootfs1),640k(var)," \ |
| "768k(cfg)" |
| |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| CONFIG_KM_DEF_ENV \ |
| "rootpath=/opt/eldk/ppc_8xx\0" \ |
| "addcon=setenv bootargs ${bootargs} " \ |
| "console=ttyCPM0,${baudrate}\0" \ |
| "mtdids=nor0=app \0" \ |
| "mtdparts=" MK_STR(MTDPARTS_DEFAULT) "\0" \ |
| "partition=nor0,9 \0" \ |
| "new_env=prot off F0060000 F009FFFF; era F0060000 F009FFFF \0" \ |
| CONFIG_ENV_IVM \ |
| "" |
| |
| #undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */ |
| |
| #define CONFIG_TIMESTAMP /* but print image timestmps */ |
| |
| /* |
| * 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 0xFFF00000 |
| |
| /*----------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area (in DPRAM) |
| */ |
| #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
| #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
| #define CONFIG_SYS_GBL_DATA_SIZE 64 |
| #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_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 0xf0000000 |
| #define CONFIG_SYS_MONITOR_LEN (384 << 10) /* 384 kB for Monitor */ |
| #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE |
| #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* 256 kB for malloc() */ |
| |
| /* |
| * 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) |
| |
| /*----------------------------------------------------------------------- |
| * FLASH organization |
| */ |
| /* max number of memory banks */ |
| #define CONFIG_SYS_MAX_FLASH_BANKS 1 |
| #define CONFIG_SYS_FLASH_SIZE 32 |
| #define CONFIG_SYS_FLASH_CFI |
| #define CONFIG_FLASH_CFI_DRIVER |
| /* max num of sects on one chip */ |
| #define CONFIG_SYS_MAX_FLASH_SECT 256 |
| |
| #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* (in ms) */ |
| #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* (in ms) */ |
| |
| #define CONFIG_ENV_IS_IN_FLASH 1 |
| #define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN |
| #define CONFIG_ENV_SIZE 0x04000 /* Total Size of Environment Sector */ |
| #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */ |
| |
| /* Address and size of Redundant Environment Sector */ |
| #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE) |
| #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE) |
| #define CONFIG_ENV_BUFFER_PRINT 1 |
| |
| /*----------------------------------------------------------------------- |
| * 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 |
| */ |
| #define CONFIG_SYS_SYPCR 0xffffff89 |
| |
| /*----------------------------------------------------------------------- |
| * SIUMCR - SIU Module Configuration 11-6 |
| *----------------------------------------------------------------------- |
| */ |
| #if defined(CONFIG_MGSUVD) |
| #define CONFIG_SYS_SIUMCR 0x00610480 |
| #else |
| #define CONFIG_SYS_SIUMCR 0x00610400 |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * 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) |
| |
| /*----------------------------------------------------------------------- |
| * PISCR - Periodic Interrupt Status and Control 11-31 |
| *----------------------------------------------------------------------- |
| * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
| */ |
| #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
| |
| /*----------------------------------------------------------------------- |
| * 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 |
| */ |
| #if defined(CONFIG_MGSUVD) |
| #define SCCR_MASK 0x01800000 |
| #else |
| #define SCCR_MASK 0x00000000 |
| #endif |
| #define CONFIG_SYS_SCCR 0x01800000 |
| |
| #define CONFIG_SYS_DER 0 |
| |
| /* |
| * Init Memory Controller: |
| * |
| * BR0/1 and OR0/1 (FLASH) |
| */ |
| |
| #define FLASH_BASE0_PRELIM 0xf0000000 /* FLASH bank #0 */ |
| |
| /* 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 CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
| #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ |
| |
| /* |
| * FLASH timing: Default value of OR0 after reset |
| */ |
| #define CONFIG_SYS_OR0_PRELIM 0xfe000954 |
| #define CONFIG_SYS_BR0_PRELIM 0xf0000401 |
| |
| /* |
| * BR1 and OR1 (SDRAM) |
| * |
| */ |
| #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */ |
| #define SDRAM_MAX_SIZE (64 << 20) /* max 64 MB per bank */ |
| |
| /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
| #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00 |
| |
| #define CONFIG_SYS_OR1_PRELIM 0xfc000800 |
| #define CONFIG_SYS_BR1_PRELIM (0x000000C0 | 0x01) |
| |
| #define CONFIG_SYS_MPTPR 0x0200 |
| /* PTB=16, AMB=001, FIXME 1 RAS precharge cycles, 1 READ loop cycle (not used), |
| 1 Write loop Cycle (not used), 1 Timer Loop Cycle */ |
| #if defined(CONFIG_MGSUVD) |
| #define CONFIG_SYS_MBMR 0x10964111 |
| #else |
| #define CONFIG_SYS_MBMR 0x20964111 |
| #endif |
| #define CONFIG_SYS_MAR 0x00000088 |
| |
| /* |
| * 4096 Rows from SDRAM example configuration |
| * 1000 factor s -> ms |
| * 64 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 |
| */ |
| #define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64)) |
| |
| /* GPIO/PIGGY on CS3 initialization values |
| */ |
| #define CONFIG_SYS_PIGGY_BASE (0x30000000) |
| #if defined(CONFIG_MGSUVD) |
| #define CONFIG_SYS_OR3_PRELIM (0xfe000d24) |
| #define CONFIG_SYS_BR3_PRELIM (0x30000401) |
| #else |
| #define CONFIG_SYS_OR3_PRELIM (0xf8000d26) |
| #define CONFIG_SYS_BR3_PRELIM (0x30000401) |
| #endif |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| #define CONFIG_SCC3_ENET |
| #define CONFIG_ETHPRIME "SCC ETHERNET" |
| #define CONFIG_HAS_ETH0 |
| |
| /* pass open firmware flat tree */ |
| #define CONFIG_OF_LIBFDT 1 |
| #define CONFIG_OF_BOARD_SETUP 1 |
| |
| #define OF_STDOUT_PATH "/soc/cpm/serial@a80" |
| |
| /* enable I2C and select the hardware/software driver */ |
| #undef CONFIG_HARD_I2C /* I2C with hardware support */ |
| #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ |
| /* I2C speed and slave address */ |
| #define CONFIG_SYS_I2C_SPEED 50000 |
| #define CONFIG_SYS_I2C_SLAVE 0x7F |
| #define I2C_SOFT_DECLARATIONS |
| |
| /* |
| * Software (bit-bang) I2C driver configuration |
| */ |
| #define I2C_BASE_DIR ((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04)) |
| #define I2C_BASE_PORT ((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09)) |
| |
| #define SDA_BIT 0x40 |
| #define SCL_BIT 0x80 |
| #define SDA_CONF 0x1000 |
| #define SCL_CONF 0x2000 |
| |
| #define I2C_ACTIVE do {} while (0) |
| #define I2C_TRISTATE do {} while (0) |
| #define I2C_READ ((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT) |
| #define I2C_SDA(bit) if(bit) { \ |
| clrbits(be16, I2C_BASE_DIR, SDA_CONF); \ |
| } else { \ |
| clrbits(8, I2C_BASE_PORT, SDA_BIT); \ |
| setbits(be16, I2C_BASE_DIR, SDA_CONF); \ |
| } |
| #define I2C_SCL(bit) if(bit) { \ |
| clrbits(be16, I2C_BASE_DIR, SCL_CONF); \ |
| } else { \ |
| clrbits(8, I2C_BASE_PORT, SCL_BIT); \ |
| setbits(be16, I2C_BASE_DIR, SCL_CONF); \ |
| } |
| #define I2C_DELAY udelay(50) /* 1/4 I2C clock duration */ |
| |
| #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 |
| |
| /* I2C SYSMON (LM75, AD7414 is almost compatible) */ |
| #define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */ |
| #if defined(CONFIG_MGSUVD) |
| #define CONFIG_DTT_SENSORS {0, 2, 4, 6} /* Sensor addresses */ |
| #else |
| #define CONFIG_DTT_SENSORS {0} /* Sensor addresses */ |
| #endif |
| #define CONFIG_SYS_DTT_MAX_TEMP 70 |
| #define CONFIG_SYS_DTT_LOW_TEMP -30 |
| #define CONFIG_SYS_DTT_HYSTERESIS 3 |
| #define CONFIG_SYS_DTT_BUS_NUM (CONFIG_SYS_MAX_I2C_BUS) |
| #endif /* __CONFIG_KM8XX_H */ |