ppc4xx: Add initial Zeus (PPC405EP) board support
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/configs/zeus.h b/include/configs/zeus.h
new file mode 100644
index 0000000..86a16e7
--- /dev/null
+++ b/include/configs/zeus.h
@@ -0,0 +1,375 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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
+ */
+
+/************************************************************************
+ * zeus.h - configuration for Zeus board
+ ***********************************************************************/
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*-----------------------------------------------------------------------
+ * High Level Configuration Options
+ *----------------------------------------------------------------------*/
+#define CONFIG_ZEUS 1 /* Board is Zeus */
+#define CONFIG_4xx 1 /* ... PPC4xx family */
+#define CONFIG_405EP 1 /* Specifc 405EP support*/
+
+#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
+
+#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
+#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */
+
+#define PLLMR0_DEFAULT PLLMR0_333_111_55_111
+#define PLLMR1_DEFAULT PLLMR1_333_111_55_111
+
+#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
+
+#define CONFIG_OVERWRITE_ETHADDR_ONCE 1
+
+#define CONFIG_MII 1 /* MII PHY management */
+#define CONFIG_PHY_ADDR 0x01 /* PHY address */
+#define CONFIG_HAS_ETH1 1
+#define CONFIG_PHY1_ADDR 0x11 /* EMAC1 PHY address */
+#define CONFIG_NET_MULTI 1
+#define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */
+#define CONFIG_PHY_RESET 1
+#define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */
+
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
+ CFG_CMD_ASKENV | \
+ CFG_CMD_CACHE | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_DIAG | \
+ CFG_CMD_EEPROM | \
+ CFG_CMD_ELF | \
+ CFG_CMD_I2C | \
+ CFG_CMD_IRQ | \
+ CFG_CMD_LOG | \
+ CFG_CMD_MII | \
+ CFG_CMD_NET | \
+ CFG_CMD_NFS | \
+ CFG_CMD_PING | \
+ CFG_CMD_REGINFO)
+
+/* POST support */
+#define CONFIG_POST (CFG_POST_MEMORY | \
+ CFG_POST_CPU | \
+ CFG_POST_CACHE | \
+ CFG_POST_UART | \
+ CFG_POST_ETHER)
+
+#define CFG_POST_ETHER_EXT_LOOPBACK /* eth POST using ext loopack connector */
+
+/* Define here the base-addresses of the UARTs to test in POST */
+#define CFG_POST_UART_TABLE {UART0_BASE}
+
+#define CONFIG_LOGBUFFER
+#define CFG_POST_CACHE_ADDR 0x00800000 /* free virtual address */
+
+#define CFG_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+
+/*-----------------------------------------------------------------------
+ * SDRAM
+ *----------------------------------------------------------------------*/
+/*
+ * SDRAM configuration (please see cpu/ppc/sdram.[ch])
+ */
+#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
+#define CONFIG_SDRAM_BANK1 1 /* init onboard SDRAM bank 1 */
+
+/* SDRAM timings used in datasheet */
+#define CFG_SDRAM_CL 3 /* CAS latency */
+#define CFG_SDRAM_tRP 20 /* PRECHARGE command period */
+#define CFG_SDRAM_tRC 66 /* ACTIVE-to-ACTIVE command period */
+#define CFG_SDRAM_tRCD 20 /* ACTIVE-to-READ delay */
+#define CFG_SDRAM_tRFC 66 /* Auto refresh period */
+
+/*-----------------------------------------------------------------------
+ * Serial Port
+ *----------------------------------------------------------------------*/
+#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
+#define CFG_BASE_BAUD 691200
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SERIAL_MULTI
+
+/* The following table includes the supported baudrates */
+#define CFG_BAUDRATE_TABLE \
+ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
+
+/*-----------------------------------------------------------------------
+ * Miscellaneous configurable options
+ *----------------------------------------------------------------------*/
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
+
+#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
+#define CONFIG_LOOPW 1 /* enable loopw command */
+#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
+#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
+#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
+
+/*-----------------------------------------------------------------------
+ * I2C
+ *----------------------------------------------------------------------*/
+#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
+#undef CONFIG_SOFT_I2C /* I2C bit-banged */
+#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE 0x7F
+
+/* these are for the ST M24C02 2kbit serial i2c eeprom */
+#define CFG_I2C_EEPROM_ADDR 0x50 /* base address */
+#define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
+/* mask of address bits that overflow into the "EEPROM chip address" */
+#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
+
+#define CFG_EEPROM_PAGE_WRITE_ENABLE 1 /* write eeprom in pages */
+#define CFG_EEPROM_PAGE_WRITE_BITS 3 /* 8 byte write page size */
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
+
+/*
+ * The layout of the I2C EEPROM, used for bootstrap setup and for board-
+ * specific values, like ethaddr... that can be restored via the sw-reset
+ * button
+ */
+#define FACTORY_RESET_I2C_EEPROM 0x50
+#define FACTORY_RESET_ENV_OFFS 0x80
+#define FACTORY_RESET_ENV_SIZE 0x80
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_FLASH_BASE 0xFF000000
+#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
+#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
+#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
+
+/*
+ * 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 CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_FLASH_CFI /* The flash is CFI compatible */
+#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
+
+#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
+
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
+#define CFG_FLASH_PROTECTION 1 /* use hardware flash protection */
+
+#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
+#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash */
+
+#ifdef CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
+#define CFG_ENV_ADDR ((-CFG_MONITOR_LEN)-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
+
+/* Address and size of Redundant Environment Sector */
+#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
+#endif
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_DCACHE_SIZE 16384 /* For IBM 405EP CPU */
+#define CFG_CACHELINE_SIZE 32 /* ... */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
+#endif
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in data cache)
+ */
+/* use on chip memory (OCM) for temperary stack until sdram is tested */
+#define CFG_TEMP_STACK_OCM 1
+
+/* On Chip Memory location */
+#define CFG_OCM_DATA_ADDR 0xF8000000
+#define CFG_OCM_DATA_SIZE 0x1000
+#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of OCM */
+#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
+
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+/* reserve some memory for POST and BOOT limit info */
+#define CFG_INIT_SP_OFFSET (CFG_GBL_DATA_OFFSET - 16)
+
+/* extra data in OCM */
+#define CFG_POST_WORD_ADDR (CFG_GBL_DATA_OFFSET - 4)
+#define CFG_POST_MAGIC (CFG_OCM_DATA_ADDR + CFG_GBL_DATA_OFFSET - 8)
+#define CFG_POST_VAL (CFG_OCM_DATA_ADDR + CFG_GBL_DATA_OFFSET - 12)
+
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
+ */
+
+/* Memory Bank 0 (Flash 16M) initialization */
+#define CFG_EBC_PB0AP 0x05815600
+#define CFG_EBC_PB0CR 0xFF09A000 /* BAS=0xFF0,BS=16MB,BU=R/W,BW=16bit */
+
+/*-----------------------------------------------------------------------
+ * Definitions for GPIO setup (PPC405EP specific)
+ *
+ * GPIO0[0] - External Bus Controller BLAST output
+ * GPIO0[1-9] - Instruction trace outputs
+ * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
+ * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs
+ * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
+ * GPIO0[24-27] - UART0 control signal inputs/outputs
+ * GPIO0[28-29] - UART1 data signal input/output
+ * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
+ */
+#define CFG_GPIO0_OSRH 0x15555550 /* Chip selects */
+#define CFG_GPIO0_OSRL 0x00000110 /* UART_DTR-pin 27 alt out */
+#define CFG_GPIO0_ISR1H 0x10000041 /* Pin 2, 12 is input */
+#define CFG_GPIO0_ISR1L 0x15505440 /* OUT: LEDs 22/23; IN: pin12,2, NVALID# */
+#define CFG_GPIO0_TSRH 0x00000000
+#define CFG_GPIO0_TSRL 0x00000000
+#define CFG_GPIO0_TCR 0xBFF68317 /* 3-state OUT: 22/23/29; 12,2 is not 3-state */
+#define CFG_GPIO0_ODR 0x00000000
+
+#define CFG_GPIO_SW_RESET 1
+#define CFG_GPIO_ZEUS_PE 12
+#define CFG_GPIO_LED_RED 22
+#define CFG_GPIO_LED_GREEN 23
+
+/* Time in milli-seconds */
+#define CFG_TIME_POST 5000
+#define CFG_TIME_FACTORY_RESET 10000
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
+#endif
+
+/* ENVIRONMENT VARS */
+
+#define CONFIG_PREBOOT "echo;echo Welcome to Bulletendpoints board v1.1;echo"
+#define CONFIG_IPADDR 192.168.1.10
+#define CONFIG_SERVERIP 192.168.1.100
+#define CONFIG_GATEWAYIP 192.168.1.100
+#define CONFIG_ETHADDR 50:00:00:00:06:00
+#define CONFIG_ETH1ADDR 50:00:00:00:06:01
+#if 0
+#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
+#else
+#define CONFIG_BOOTDELAY 3 /* autoboot after 5 seconds */
+#endif
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "logversion=2\0" \
+ "hostname=zeus\0" \
+ "netdev=eth0\0" \
+ "ethact=ppc_4xx_eth0\0" \
+ "netmask=255.255.255.0\0" \
+ "ramdisk_size=50000\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw" \
+ " nfsroot=${serverip}:${rootpath}\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw" \
+ " ramdisk=${ramdisk_size}\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
+ ":${hostname}:${netdev}:off panic=1\0" \
+ "addtty=setenv bootargs ${bootargs} console=ttyS0," \
+ "${baudrate}\0" \
+ "net_nfs=tftp ${kernel_mem_addr} ${file_kernel};" \
+ "run nfsargs addip addtty;bootm\0" \
+ "net_ram=tftp ${kernel_mem_addr} ${file_kernel};" \
+ "tftp ${ramdisk_mem_addr} ${file_fs};" \
+ "run ramargs addip addtty;" \
+ "bootm ${kernel_mem_addr} ${ramdisk_mem_addr}\0" \
+ "rootpath=/target_fs/zeus\0" \
+ "kernel_fl_addr=ff000000\0" \
+ "kernel_mem_addr=200000\0" \
+ "ramdisk_fl_addr=ff300000\0" \
+ "ramdisk_mem_addr=4000000\0" \
+ "uboot_fl_addr=fffc0000\0" \
+ "uboot_mem_addr=100000\0" \
+ "file_uboot=/zeus/u-boot.bin\0" \
+ "tftp_uboot=tftp 100000 ${file_uboot}\0" \
+ "update_uboot=protect off fffc0000 ffffffff;" \
+ "era fffc0000 ffffffff;cp.b 100000 fffc0000 40000;" \
+ "protect on fffc0000 ffffffff\0" \
+ "upd_uboot=run tftp_uboot;run update_uboot\0" \
+ "file_kernel=/zeus/uImage_ba\0" \
+ "tftp_kernel=tftp 100000 ${file_kernel}\0" \
+ "update_kernel=protect off ff000000 ff17ffff;" \
+ "era ff000000 ff17ffff;cp.b 100000 ff000000 180000\0" \
+ "upd_kernel=run tftp_kernel;run update_kernel\0" \
+ "file_fs=/zeus/rootfs_ba.img\0" \
+ "tftp_fs=tftp 100000 ${file_fs}\0" \
+ "update_fs=protect off ff300000 ff87ffff;era ff300000 ff87ffff;"\
+ "cp.b 100000 ff300000 580000\0" \
+ "upd_fs=run tftp_fs;run update_fs\0" \
+ "bootcmd=chkreset;run ramargs addip addtty addmisc;" \
+ "bootm ${kernel_fl_addr} ${ramdisk_fl_addr}\0" \
+ ""
+
+#endif /* __CONFIG_H */
diff --git a/include/ppc405.h b/include/ppc405.h
index 8e64731..4fc5283 100644
--- a/include/ppc405.h
+++ b/include/ppc405.h
@@ -541,6 +541,18 @@
#define PLLMR1_266_66_33_33 (PLL_FBKDIV_8 | \
PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
+#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \
+ PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
+ PLL_MALDIV_1 | PLL_PCIDIV_3)
+#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10 | \
+ PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
+ PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
+#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \
+ PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
+ PLL_MALDIV_1 | PLL_PCIDIV_1)
+#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10 | \
+ PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
+ PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
/*
* PLL Voltage Controlled Oscillator (VCO) definitions
@@ -1226,6 +1238,8 @@
#define mtebc(reg, data) mtdcr(ebccfga,reg);mtdcr(ebccfgd,data)
#define mfebc(reg, data) mtdcr(ebccfga,reg);data = mfdcr(ebccfgd)
+#define mtsdram(reg, data) do { mtdcr(memcfga,reg);mtdcr(memcfgd,data); } while (0)
+#define mfsdram(reg, data) do { mtdcr(memcfga,reg);data = mfdcr(memcfgd); } while (0)
#ifndef __ASSEMBLY__