APM821xx: Add bluestone board support
authorTirumala Marri <tmarri@apm.com>
Tue, 28 Sep 2010 21:15:21 +0000 (14:15 -0700)
committerStefan Roese <sr@denx.de>
Mon, 4 Oct 2010 09:17:38 +0000 (11:17 +0200)
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: Stefan Roese <sr@denx.de>
MAINTAINERS
board/amcc/bluestone/Makefile [new file with mode: 0644]
board/amcc/bluestone/bluestone.c [new file with mode: 0644]
board/amcc/bluestone/config.mk [new file with mode: 0644]
board/amcc/bluestone/init.S [new file with mode: 0644]
boards.cfg
include/configs/bluestone.h [new file with mode: 0644]

index 2cf29dd..e235884 100644 (file)
@@ -501,6 +501,10 @@ Detlev Zundel <dzu@denx.de>
 
        inka4x0         MPC5200
 
+Tirumala Marri <tmarri@apm.com>
+
+       bluestone       APM821XX
+
 -------------------------------------------------------------------------
 
 Unknown / orphaned boards:
diff --git a/board/amcc/bluestone/Makefile b/board/amcc/bluestone/Makefile
new file mode 100644 (file)
index 0000000..41751c8
--- /dev/null
@@ -0,0 +1,52 @@
+#
+# 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
+
+#########################################################################
diff --git a/board/amcc/bluestone/bluestone.c b/board/amcc/bluestone/bluestone.c
new file mode 100644 (file)
index 0000000..fe8929c
--- /dev/null
@@ -0,0 +1,111 @@
+/*
+ * 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;
+}
diff --git a/board/amcc/bluestone/config.mk b/board/amcc/bluestone/config.mk
new file mode 100644 (file)
index 0000000..e2194e4
--- /dev/null
@@ -0,0 +1,40 @@
+#
+# 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
diff --git a/board/amcc/bluestone/init.S b/board/amcc/bluestone/init.S
new file mode 100644 (file)
index 0000000..e969fcf
--- /dev/null
@@ -0,0 +1,60 @@
+/*
+ * 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
index f55bd70..d5d4445 100644 (file)
@@ -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
diff --git a/include/configs/bluestone.h b/include/configs/bluestone.h
new file mode 100644 (file)
index 0000000..560c64f
--- /dev/null
@@ -0,0 +1,178 @@
+/*
+ * 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 */