Commit d0e6665a authored by Tirumala Marri's avatar Tirumala Marri Committed by Stefan Roese

APM821xx: Add bluestone board support

Add support code for bluestone board wth APM821XX processor based.
This patch includes early board init, misc init, configure EBC,
initializes UIC, MAKEALL, board.cfg and MAINTAINERS file.

Signed-off-by: Tirumala R Marri <tmarri@apm.com
Signed-off-by: default avatarStefan Roese <sr@denx.de>
parent 1b8fec13
......@@ -501,6 +501,10 @@ Detlev Zundel <dzu@denx.de>
inka4x0 MPC5200
Tirumala Marri <tmarri@apm.com>
bluestone APM821XX
-------------------------------------------------------------------------
Unknown / orphaned boards:
......
#
# Copyright (c) 2010, Applied Micro Circuits Corporation
# Author: Tirumala R Marri <tmarri@apm.com>
#
# 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).a
COBJS-y := $(BOARD).o
SOBJS := init.o
COBJS := $(COBJS-y)
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(OBJS) $(SOBJS)
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak $(obj).depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
/*
* Bluestone board support
*
* Copyright (c) 2010, Applied Micro Circuits Corporation
* Author: Tirumala R Marri <tmarri@apm.com>
*
* 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 <common.h>
#include <asm/apm821xx.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <i2c.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <asm/ppc4xx-gpio.h>
int board_early_init_f(void)
{
/*
* Setup the interrupt controller polarities, triggers, etc.
*/
mtdcr(UIC0SR, 0xffffffff); /* clear all */
mtdcr(UIC0ER, 0x00000000); /* disable all */
mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
mtdcr(UIC0PR, 0xffffffff); /* per ref-board manual */
mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(UIC0SR, 0xffffffff); /* clear all */
mtdcr(UIC1SR, 0xffffffff); /* clear all */
mtdcr(UIC1ER, 0x00000000); /* disable all */
mtdcr(UIC1CR, 0x00000000); /* all non-critical */
mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(UIC1SR, 0xffffffff); /* clear all */
mtdcr(UIC2SR, 0xffffffff); /* clear all */
mtdcr(UIC2ER, 0x00000000); /* disable all */
mtdcr(UIC2CR, 0x00000000); /* all non-critical */
mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(UIC2SR, 0xffffffff); /* clear all */
mtdcr(UIC3SR, 0xffffffff); /* clear all */
mtdcr(UIC3ER, 0x00000000); /* disable all */
mtdcr(UIC3CR, 0x00000000); /* all non-critical */
mtdcr(UIC3PR, 0xffffffff); /* per ref-board manual */
mtdcr(UIC3TR, 0x00000000); /* per ref-board manual */
mtdcr(UIC3VR, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(UIC3SR, 0xffffffff); /* clear all */
/*
* Configure PFC (Pin Function Control) registers
* UART0: 2 pins
*/
mtsdr(SDR0_PFC1, 0x0000000);
return 0;
}
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: Bluestone Evaluation Board");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\n');
return 0;
}
int misc_init_r(void)
{
u32 sdr0_srst1 = 0;
/* Setup PLB4-AHB bridge based on the system address map */
mtdcr(AHB_TOP, 0x8000004B);
mtdcr(AHB_BOT, 0x8000004B);
/*
* The AHB Bridge core is held in reset after power-on or reset
* so enable it now
*/
mfsdr(SDR0_SRST1, sdr0_srst1);
sdr0_srst1 &= ~SDR0_SRST1_AHB;
mtsdr(SDR0_SRST1, sdr0_srst1);
return 0;
}
#
# Copyright (c) 2010, Applied Micro Circuits Corporation
# Author: Tirumala R Marri <tmarri@apm.com>
#
# 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
#
# Applied Micro APM821XX Evaluation board.
#
sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
ifndef TEXT_BASE
TEXT_BASE = 0xFFFA0000
endif
PLATFORM_CPPFLAGS += -DCONFIG_440=1
ifeq ($(debug),1)
PLATFORM_CPPFLAGS += -DDEBUG
endif
ifeq ($(dbcr),1)
PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000
endif
/*
* Copyright (c) 2010, Applied Micro Circuits Corporation
* Author: Tirumala R Marri <tmarri@apm.com>
*
* 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 <ppc_asm.tmpl>
#include <config.h>
#include <asm/mmu.h>
#include <asm/ppc4xx.h>
/**************************************************************************
* TLB TABLE
*
* This table is used by the cpu boot code to setup the initial tlb
* entries. Rather than make broad assumptions in the cpu source tree,
* this table lets each board set things up however they like.
*
* Pointer to the table is returned in r1
*
*************************************************************************/
.section .bootpg,"ax"
.globl tlbtab
tlbtab:
tlbtab_start
/* TLB 0 */
tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR,
4, AC_RWX | SA_G)
/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR,
0, AC_RWX | SA_G)
/* TLB-entry for OCM */
tlbentry(CONFIG_SYS_OCM_BASE, SZ_64K, 0x00040000, 4,
AC_RWX | SA_I)
/* TLB-entry for Local Configuration registers => peripherals */
tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_16K,
CONFIG_SYS_PERIPHERAL_BASE, 4, AC_RWX | SA_IG)
tlbtab_end
......@@ -184,6 +184,7 @@ t3corp powerpc ppc4xx
zeus powerpc ppc4xx
acadia powerpc ppc4xx - amcc
bamboo powerpc ppc4xx - amcc
bluestone powerpc ppc4xx - amcc
bubinga powerpc ppc4xx - amcc
ebony powerpc ppc4xx - amcc
katmai powerpc ppc4xx - amcc
......
/*
* bluestone.h - configuration for Bluestone (APM821XX)
*
* Copyright (c) 2010, Applied Micro Circuits Corporation
* Author: Tirumala R Marri <tmarri@apm.com>
*
* 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
/*
* High Level Configuration Options
*/
#define CONFIG_APM821XX 1 /* APM821XX series */
#define CONFIG_HOSTNAME bluestone
#define CONFIG_4xx 1 /* ... PPC4xx family */
#define CONFIG_440 1
/*
* Include common defines/options for all AMCC eval boards
*/
#include "amcc-common.h"
#define CONFIG_SYS_CLK_FREQ 50000000
#define CONFIG_BOARD_TYPES 1 /* support board types */
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */
/*
* Base addresses -- Note these are effective addresses where the
* actual resources get mapped (not physical addresses)
*/
/* EBC stuff */
/* later mapped to this addr */
#define CONFIG_SYS_FLASH_BASE 0xFFF00000
#define CONFIG_SYS_FLASH_SIZE (4 << 20) /* 1MB usable */
/* EBC Boot Space: 0xFF000000 */
#define CONFIG_SYS_BOOT_BASE_ADDR 0xFF000000
#define CONFIG_SYS_OCM_BASE 0xE3000000 /* OCM: 32k */
#define CONFIG_SYS_SRAM_BASE 0xE8000000 /* SRAM: 256k */
#define CONFIG_SYS_AHB_BASE 0xE2000000 /* internal AHB peripherals*/
#define CONFIG_SYS_SRAM_SIZE (256 << 10)
/*
* Initial RAM & stack pointer (placed in OCM)
*/
#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_BASE /* OCM */
#define CONFIG_SYS_INIT_RAM_END (4 << 10)
#define CONFIG_SYS_GBL_DATA_SIZE 256 /* num bytes initial data */
#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
/*
* Environment
*/
/*
* Define here the location of the environment variables (FLASH).
*/
#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
/*
* FLASH related
*/
#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */
#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */
#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE}
/* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_BANKS 1
/* max number of sectors on one chip */
#define CONFIG_SYS_MAX_FLASH_SECT 80
/* Timeout for Flash Erase (in ms) */
#define CONFIG_SYS_FLASH_ERASE_TOUT 120000
/* Timeout for Flash Write (in ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT 500
/* use buffered writes (20x faster) */
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
/* print 'E' for empty sector on flinfo */
#define CONFIG_SYS_FLASH_EMPTY_INFO
#ifdef CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
/* Address and size of Redundant Environment Sector */
#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR - CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
#endif /* CONFIG_ENV_IS_IN_FLASH */
/* SDRAM */
#define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */
#define SPD_EEPROM_ADDRESS {0x53, 0x51} /* SPD i2c spd addresses */
#define CONFIG_PPC4xx_DDR_AUTOCALIBRATION /* IBM DDR autocalibration */
#define CONFIG_AUTOCALIB "silent\0" /* default is non-verbose */
#define CONFIG_DDR_ECC 1 /* with ECC support */
/*
* Serial Port
*/
#define CONFIG_CONS_INDEX 1 /* Use UART0 */
/*
* I2C
*/
#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed */
#define CONFIG_SYS_I2C_MULTI_EEPROMS
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x54
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 /* Data sheet */
/* I2C bootstrap EEPROM */
#define CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR 0x52
#define CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET 0
#define CONFIG_4xx_CONFIG_BLOCKSIZE 16
/*
* Ethernet
*/
#define CONFIG_IBM_EMAC4_V4 1
#define CONFIG_EMAC_PHY_MODE EMAC_PHY_MODE_NONE_RGMII
#define CONFIG_HAS_ETH0
/* PHY address, See schematics */
#define CONFIG_PHY_ADDR 0x1f
/* reset phy upon startup */
#define CONFIG_PHY_RESET 1
/* Include GbE speed/duplex detection */
#define CONFIG_PHY_GIGE 1
#define CONFIG_PHY_DYNAMIC_ANEG 1
/*
* External Bus Controller (EBC) Setup
**/
#define CONFIG_SYS_EBC_CFG (EBC_CFG_LE_LOCK | \
EBC_CFG_PTD_ENABLE | \
EBC_CFG_RTC_2048PERCLK | \
EBC_CFG_ATC_HI | \
EBC_CFG_DTC_HI | \
EBC_CFG_CTC_HI | \
EBC_CFG_OEO_PREVIOUS)
/* NOR Flash */
#define CONFIG_SYS_EBC_PB0AP (EBC_BXAP_BME_DISABLED | \
EBC_BXAP_TWT_ENCODE(64) | \
EBC_BXAP_BCE_DISABLE | \
EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(1) | \
EBC_BXAP_OEN_ENCODE(2) | \
EBC_BXAP_WBN_ENCODE(2) | \
EBC_BXAP_WBF_ENCODE(2) | \
EBC_BXAP_TH_ENCODE(7) | \
EBC_BXAP_SOR_DELAYED | \
EBC_BXAP_BEM_WRITEONLY | \
EBC_BXAP_PEN_DISABLED)
/* Peripheral Bank Configuration Register - EBC_BxCR */
#define CONFIG_SYS_EBC_PB0CR \
(EBC_BXCR_BAS_ENCODE(CONFIG_SYS_FLASH_BASE) | \
EBC_BXCR_BS_1MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_8BIT)
#endif /* __CONFIG_H */
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