July 2008 - U-Boot

[U-Boot-Users] [PATCH 3/3] Initial framework of the AMCC PPC460SX redwood reference board.
by fkan＠amcc.com 03 Jul '08

03 Jul '08

From: Feng Kan <fkan(a)amcc.com> Add AMCC Redwood reference board that uses the latest PPC 464 CPU processor combined with a rich mix of peripheral controllers. The board will support PCIe, mutiple Gig ethernet ports, advanced hardware RAID assistance and IEEE 1588. Signed-off-by: Feng Kan <fkan(a)amcc.com> --- MAINTAINERS | 3 + MAKEALL | 1 + Makefile | 3 + board/amcc/redwood/Makefile | 50 ++++ board/amcc/redwood/config.mk | 42 ++++ board/amcc/redwood/init.S | 77 +++++++ board/amcc/redwood/redwood.c | 496 +++++++++++++++++++++++++++++++++++++++++ board/amcc/redwood/redwood.h | 50 ++++ board/amcc/redwood/u-boot.lds | 147 ++++++++++++ 9 files changed, 869 insertions(+), 0 deletions(-) create mode 100644 board/amcc/redwood/Makefile create mode 100644 board/amcc/redwood/config.mk create mode 100644 board/amcc/redwood/init.S create mode 100644 board/amcc/redwood/redwood.c create mode 100644 board/amcc/redwood/redwood.h create mode 100644 board/amcc/redwood/u-boot.lds diff --git a/MAINTAINERS b/MAINTAINERS index a3d70b1..a4637fd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -420,6 +420,9 @@ Guennadi Liakhovetski <g.liakhovetski(a)gmx.de> linkstation MPC8241 +Feng Kan <fkan(a)amcc.com> + + redwood PPC4xx ------------------------------------------------------------------------- Unknown / orphaned boards: diff --git a/MAKEALL b/MAKEALL index 32caab7..566e63a 100755 --- a/MAKEALL +++ b/MAKEALL @@ -221,6 +221,7 @@ LIST_4xx=" \ PPChameleonEVB \ quad100hd \ rainier \ + redwood \ sbc405 \ sc3 \ sequoia \ diff --git a/Makefile b/Makefile index 8bfc891..ff38e0c 100644 --- a/Makefile +++ b/Makefile @@ -1417,6 +1417,9 @@ rainier_nand_config: unconfig @echo "TEXT_BASE = 0x01000000" > $(obj)board/amcc/sequoia/config.tmp @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk +redwood_config: unconfig + @$(MKCONFIG) $(@:_config=) ppc ppc4xx redwood amcc + sc3_config:unconfig @$(MKCONFIG) $(@:_config=) ppc ppc4xx sc3 diff --git a/board/amcc/redwood/Makefile b/board/amcc/redwood/Makefile new file mode 100644 index 0000000..a8bdb05 --- /dev/null +++ b/board/amcc/redwood/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2008 +# Feng Kan, Applied Micro Circuits Corp., fkan(a)amcc.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 = $(BOARD).o +SOBJS = init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend *~ + +######################################################################### + +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/amcc/redwood/config.mk b/board/amcc/redwood/config.mk new file mode 100644 index 0000000..531d9d3 --- /dev/null +++ b/board/amcc/redwood/config.mk @@ -0,0 +1,42 @@ +# +# (C) Copyright 2008 +# Feng Kan, Applied Micro Circuits Corp., fkan(a)amcc.com. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# AMCC 460SX Reference Platform (redwood) board +# + +ifeq ($(ramsym),1) +TEXT_BASE = 0x07FD0000 +else +TEXT_BASE = 0xfffb0000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000 +endif diff --git a/board/amcc/redwood/init.S b/board/amcc/redwood/init.S new file mode 100644 index 0000000..876f96a --- /dev/null +++ b/board/amcc/redwood/init.S @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2008 + * Feng Kan, Applied Micro Circuits Corp., fkan(a)amcc.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-ppc/mmu.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 + + /* + * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the + * speed up boot process. It is patched after relocation to enable SA_I + */ + tlbentry(0xff000000, SZ_16M, 0xff000000, 4, AC_R|AC_W|AC_X|SA_G) + + /* + * TLB entries for SDRAM are not needed on this platform. + * They are dynamically generated in the SPD DDR(2) detection + * routine. + */ + + /* Although 512 KB, map 256k at a time */ + tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I) + tlbentry(CFG_ISRAM_BASE + 0x40000, SZ_256K, 0x00040000, 4, AC_R|AC_W|AC_X|SA_I) + + tlbentry(CFG_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_R|AC_W|AC_X|SA_G|SA_I) + + /* + * Peripheral base + */ + tlbentry(CFG_PERIPHERAL_BASE, SZ_16K, 0xEF600000, 4, AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_PCIE0_XCFGBASE,SZ_16M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE1_XCFGBASE,SZ_16M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE2_XCFGBASE,SZ_16M, 0x20000000, 0xC, AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_PCIE0_MEMBASE, SZ_256M, 0x00000000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE1_MEMBASE, SZ_256M, 0x00000000, 0xE, AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_PCIE0_REGBASE, SZ_64K, 0x30000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE1_REGBASE, SZ_64K, 0x30010000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE2_REGBASE, SZ_64K, 0x30020000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbtab_end diff --git a/board/amcc/redwood/redwood.c b/board/amcc/redwood/redwood.c new file mode 100644 index 0000000..0587e39 --- /dev/null +++ b/board/amcc/redwood/redwood.c @@ -0,0 +1,496 @@ +/* + * This is the main board level file for the Redwood AMCC board. + * + * (C) Copyright 2008 + * Feng Kan, Applied Micro Circuits Corp., fkan(a)amcc.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 <common.h> +#include "redwood.h" +#include <ppc4xx.h> +#include <asm/processor.h> +#include <i2c.h> +#include <asm-ppc/io.h> + +int compare_to_true(char *str); +char *remove_l_w_space(char *in_str); +char *remove_t_w_space(char *in_str); +int get_console_port(void); + +static void early_init_EBC(void); +static int bootdevice_selected(void); +static void early_reinit_EBC(int); +static void early_init_UIC(void); + +/*----------------------------------------------------------------------------+ +| Define Boot devices ++----------------------------------------------------------------------------*/ +#define BOOT_FROM_8BIT_SRAM 0x00 +#define BOOT_FROM_16BIT_SRAM 0x01 +#define BOOT_FROM_32BIT_SRAM 0x02 +#define BOOT_FROM_8BIT_NAND 0x03 +#define BOOT_FROM_16BIT_NOR 0x04 +#define BOOT_DEVICE_UNKNOWN 0xff + +/*----------------------------------------------------------------------------+ +| EBC Devices Characteristics +| Peripheral Bank Access Parameters - EBC_BxAP +| Peripheral Bank Configuration Register - EBC_BxCR ++----------------------------------------------------------------------------*/ + +/* + * 8 bit width SRAM + * BU Value + * BxAP : 0x03800000 - 0 00000111 0 00 00 00 00 00 000 0 0 0 0 00000 + * B0CR : 0xff098000 - BAS = ff0 - 100 11 00 0000000000000 + * B2CR : 0xe7098000 - BAS = e70 - 100 11 00 0000000000000 + */ +#define EBC_BXAP_8BIT_SRAM EBC_BXAP_BME_DISABLED | \ + EBC_BXAP_TWT_ENCODE(7) | \ + EBC_BXAP_BCE_DISABLE | \ + EBC_BXAP_BCT_2TRANS | \ + EBC_BXAP_CSN_ENCODE(0) | \ + EBC_BXAP_OEN_ENCODE(0) | \ + EBC_BXAP_WBN_ENCODE(0) | \ + EBC_BXAP_WBF_ENCODE(0) | \ + EBC_BXAP_TH_ENCODE(0) | \ + EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_SOR_DELAYED | \ + EBC_BXAP_BEM_WRITEONLY | \ + EBC_BXAP_PEN_DISABLED + +#define EBC_BXAP_16BIT_SRAM EBC_BXAP_8BIT_SRAM +#define EBC_BXAP_32BIT_SRAM EBC_BXAP_8BIT_SRAM + +/* + * NAND flash + * BU Value + * BxAP : 0x048ff240 - 0 00000111 0 00 00 00 00 00 000 0 0 0 0 00000 + * B0CR : 0xff09a000 - BAS = ff0 - 100 11 01 0000000000000 + * B2CR : 0xe709a000 - BAS = e70 - 100 11 01 0000000000000 +*/ +#define EBC_BXAP_NAND EBC_BXAP_BME_DISABLED | \ + EBC_BXAP_TWT_ENCODE(7) | \ + EBC_BXAP_BCE_DISABLE | \ + EBC_BXAP_BCT_2TRANS | \ + EBC_BXAP_CSN_ENCODE(0) | \ + EBC_BXAP_OEN_ENCODE(0) | \ + EBC_BXAP_WBN_ENCODE(0) | \ + EBC_BXAP_WBF_ENCODE(0) | \ + EBC_BXAP_TH_ENCODE(0) | \ + EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_SOR_DELAYED | \ + EBC_BXAP_BEM_WRITEONLY | \ + EBC_BXAP_PEN_DISABLED + +/* + * NOR flash + * BU Value + * BxAP : 0x048ff240 - 0 00000111 0 00 00 00 00 00 000 0 0 0 0 00000 + * B0CR : 0xff09a000 - BAS = ff0 - 100 11 01 0000000000000 + * B2CR : 0xe709a000 - BAS = e70 - 100 11 01 0000000000000 +*/ +#define EBC_BXAP_NOR EBC_BXAP_BME_DISABLED | \ + EBC_BXAP_TWT_ENCODE(7) | \ + EBC_BXAP_BCE_DISABLE | \ + EBC_BXAP_BCT_2TRANS | \ + EBC_BXAP_CSN_ENCODE(0) | \ + EBC_BXAP_OEN_ENCODE(0) | \ + EBC_BXAP_WBN_ENCODE(0) | \ + EBC_BXAP_WBF_ENCODE(0) | \ + EBC_BXAP_TH_ENCODE(0) | \ + EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_SOR_DELAYED | \ + EBC_BXAP_BEM_WRITEONLY | \ + EBC_BXAP_PEN_DISABLED + +/* + * FPGA + * BU value : + * B1AP = 0x05895240 - 0 00001011 0 00 10 01 01 01 001 0 0 1 0 00000 + * B1CR = 0xe201a000 - BAS = e20 - 000 11 01 00000000000000 + */ +#define EBC_BXAP_FPGA EBC_BXAP_BME_DISABLED | \ + EBC_BXAP_TWT_ENCODE(11) | \ + EBC_BXAP_BCE_DISABLE | \ + EBC_BXAP_BCT_2TRANS | \ + EBC_BXAP_CSN_ENCODE(10) | \ + EBC_BXAP_OEN_ENCODE(1) | \ + EBC_BXAP_WBN_ENCODE(1) | \ + EBC_BXAP_WBF_ENCODE(1) | \ + EBC_BXAP_TH_ENCODE(1) | \ + EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_SOR_DELAYED | \ + EBC_BXAP_BEM_RW | \ + EBC_BXAP_PEN_DISABLED + +#define EBC_BXCR_8BIT_SRAM_CS0 EBC_BXCR_BAS_ENCODE(0xFFE00000) | \ + EBC_BXCR_BS_1MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_8BIT + +#define EBC_BXCR_32BIT_SRAM_CS0 EBC_BXCR_BAS_ENCODE(0xFFC00000) | \ + EBC_BXCR_BS_1MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_32BIT + +#define EBC_BXCR_NAND_CS0 EBC_BXCR_BAS_ENCODE(0xFF000000) | \ + EBC_BXCR_BS_16MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_8BIT + +#define EBC_BXCR_16BIT_SRAM_CS0 EBC_BXCR_BAS_ENCODE(0xFFE00000) | \ + EBC_BXCR_BS_2MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_16BIT + +#define EBC_BXCR_NOR_CS0 EBC_BXCR_BAS_ENCODE(0xFF000000) | \ + EBC_BXCR_BS_16MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_16BIT + +#define EBC_BXCR_NOR_CS1 EBC_BXCR_BAS_ENCODE(0xE0000000) | \ + EBC_BXCR_BS_128MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_16BIT + +#define EBC_BXCR_NAND_CS1 EBC_BXCR_BAS_ENCODE(0xE0000000) | \ + EBC_BXCR_BS_128MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_8BIT + +#define EBC_BXCR_NAND_CS2 EBC_BXCR_BAS_ENCODE(0xC0000000) | \ + EBC_BXCR_BS_128MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_8BIT + +#define EBC_BXCR_SRAM_CS2 EBC_BXCR_BAS_ENCODE(0xC0000000) | \ + EBC_BXCR_BS_4MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_32BIT + +#define EBC_BXCR_LARGE_FLASH_CS2 EBC_BXCR_BAS_ENCODE(0xE7000000) | \ + EBC_BXCR_BS_16MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_16BIT + +#define EBC_BXCR_FPGA_CS3 EBC_BXCR_BAS_ENCODE(0xe2000000) | \ + EBC_BXCR_BS_1MB | \ + EBC_BXCR_BU_RW | \ + EBC_BXCR_BW_16BIT + +/***************************************************************************** + * UBOOT initiated board specific function calls + ****************************************************************************/ + +int board_early_init_f(void) +{ + int computed_boot_device = BOOT_DEVICE_UNKNOWN; + + /* + * Initialise EBC + */ + early_init_EBC(); + + /* + * Determine which boot device was selected + */ + computed_boot_device = bootdevice_selected(); + + /* + * Reinit EBC based on selected boot device + */ + early_reinit_EBC(computed_boot_device); + + /* + * Setup for UIC on 460SX redwood board + */ + early_init_UIC(); + + return 0; +} + +int checkboard(void) +{ + char *s = getenv("serial#"); + + printf("Board: Redwood - AMCC 460SX Reference Board"); + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return 0; +} + +static void early_init_EBC(void) +{ + /*-------------------------------------------------------------------+ + | Initialize EBC CONFIG - + | Keep the Default value, but the bit PDT which has to be set to 1 ?TBC + | default value : + | 0x07C00000 - 0 0 000 1 1 1 1 1 0000 0 00000 000000000000 + | + +-------------------------------------------------------------------*/ + mtebc(xbcfg, EBC_CFG_LE_UNLOCK | + EBC_CFG_PTD_ENABLE | + EBC_CFG_RTC_16PERCLK | + EBC_CFG_ATC_PREVIOUS | + EBC_CFG_DTC_PREVIOUS | + EBC_CFG_CTC_PREVIOUS | + EBC_CFG_OEO_PREVIOUS | + EBC_CFG_EMC_DEFAULT | EBC_CFG_PME_DISABLE | EBC_CFG_PR_16); + + /*-------------------------------------------------------------------+ + | + | PART 1 : Initialize EBC Bank 3 + | ============================== + | Bank1 is always associated to the EPLD. + | It has to be initialized prior to other banks settings computation + | since some board registers values may be needed to determine the + | boot type + | + +-------------------------------------------------------------------*/ + mtebc(pb1ap, EBC_BXAP_FPGA); + mtebc(pb1cr, EBC_BXCR_FPGA_CS3); + +} + +static int bootdevice_selected(void) +{ + unsigned long sdr0_pinstp; + unsigned long bootstrap_settings; + int computed_boot_device = BOOT_DEVICE_UNKNOWN; + + /*-------------------------------------------------------------------+ + | + | Determine which boot device was selected + | ================================================= + | + | Read Pin Strap Register in PPC460SX + | Result can either be : + | - Boot strap = boot from EBC 8bits => Small Flash + | - Boot strap = boot from PCI + | - Boot strap = IIC + | In case of boot from IIC, read Serial Device Strap Register1 + | + | Result can either be : + | - Boot from EBC - EBC Bus Width = 8bits => Small Flash + | - Boot from EBC - EBC Bus Width = 16bits => Large Flash or SRAM + | - Boot from PCI + | + +-------------------------------------------------------------------*/ + /* Read Pin Strap Register in PPC460SX */ + mfsdr(SDR0_PINSTP, sdr0_pinstp); + bootstrap_settings = sdr0_pinstp & SDR0_PSTRP0_BOOTSTRAP_MASK; + + switch (bootstrap_settings) { + case SDR0_PSTRP0_BOOTSTRAP_SETTINGS0: + /* + * Boot from SRAM, 8bit width + */ + computed_boot_device = BOOT_FROM_8BIT_SRAM; + break; + case SDR0_PSTRP0_BOOTSTRAP_SETTINGS1: + /* + * Boot from SRAM, 32bit width + */ + computed_boot_device = BOOT_FROM_32BIT_SRAM; + break; + case SDR0_PSTRP0_BOOTSTRAP_SETTINGS2: + /* + * Boot from NAND, 8bit width + */ + computed_boot_device = BOOT_FROM_8BIT_NAND; + break; + case SDR0_PSTRP0_BOOTSTRAP_SETTINGS4: + /* + * Boot from SRAM, 16bit width + * Boot setting in IIC EEPROM 0x50 + */ + computed_boot_device = BOOT_FROM_16BIT_SRAM; + break; + case SDR0_PSTRP0_BOOTSTRAP_SETTINGS5: + /* + * Boot from NOR, 16bit width + * Boot setting in IIC EEPROM 0x54 + */ + computed_boot_device = BOOT_FROM_16BIT_NOR; + break; + default: + /* should not be */ + computed_boot_device = BOOT_DEVICE_UNKNOWN; + break; + } + + return computed_boot_device; +} + +static void early_reinit_EBC(int computed_boot_device) +{ + /*-------------------------------------------------------------------+ + | + | Compute EBC settings depending on selected boot device + | ====== ====================================================== + | + | Resulting EBC init will be among following configurations : + | + | - Boot from EBC 8bits => boot from Small Flash selected + | EBC-CS0 = Small Flash + | EBC-CS2 = Large Flash and SRAM + | + | - Boot from EBC 16bits => boot from Large Flash or SRAM + | EBC-CS0 = Large Flash or SRAM + | EBC-CS2 = Small Flash + | + | - Boot from PCI + | EBC-CS0 = not initialized to avoid address contention + | EBC-CS2 = same as boot from Small Flash selected + | + +-------------------------------------------------------------------*/ + unsigned long ebc0_cs0_bxap_value = 0, ebc0_cs0_bxcr_value = 0; + unsigned long ebc0_cs1_bxap_value = 0, ebc0_cs1_bxcr_value = 0; + unsigned long ebc0_cs2_bxap_value = 0, ebc0_cs2_bxcr_value = 0; + + switch (computed_boot_device) { + /*-------------------------------------------------------------------*/ + case BOOT_FROM_8BIT_SRAM: + /*-------------------------------------------------------------------*/ + ebc0_cs0_bxap_value = EBC_BXAP_8BIT_SRAM; + ebc0_cs0_bxcr_value = EBC_BXCR_8BIT_SRAM_CS0; + ebc0_cs1_bxap_value = EBC_BXAP_NOR; + ebc0_cs1_bxcr_value = EBC_BXCR_NOR_CS1; + ebc0_cs2_bxap_value = EBC_BXAP_NAND; + ebc0_cs2_bxcr_value = EBC_BXCR_NAND_CS2; + break; + + /*-------------------------------------------------------------------*/ + case BOOT_FROM_16BIT_SRAM: + /*-------------------------------------------------------------------*/ + ebc0_cs0_bxap_value = EBC_BXAP_16BIT_SRAM; + ebc0_cs0_bxcr_value = EBC_BXCR_16BIT_SRAM_CS0; + ebc0_cs1_bxap_value = EBC_BXAP_NOR; + ebc0_cs1_bxcr_value = EBC_BXCR_NOR_CS1; + ebc0_cs2_bxap_value = EBC_BXAP_NAND; + ebc0_cs2_bxcr_value = EBC_BXCR_NAND_CS2; + break; + + /*-------------------------------------------------------------------*/ + case BOOT_FROM_32BIT_SRAM: + /*-------------------------------------------------------------------*/ + ebc0_cs0_bxap_value = EBC_BXAP_32BIT_SRAM; + ebc0_cs0_bxcr_value = EBC_BXCR_32BIT_SRAM_CS0; + ebc0_cs1_bxap_value = EBC_BXAP_NOR; + ebc0_cs1_bxcr_value = EBC_BXCR_NOR_CS1; + ebc0_cs2_bxap_value = EBC_BXAP_NAND; + ebc0_cs2_bxcr_value = EBC_BXCR_NAND_CS2; + break; + + /*-------------------------------------------------------------------*/ + case BOOT_FROM_16BIT_NOR: + /*-------------------------------------------------------------------*/ + ebc0_cs0_bxap_value = EBC_BXAP_NOR; + ebc0_cs0_bxcr_value = EBC_BXCR_NOR_CS0; + ebc0_cs1_bxap_value = EBC_BXAP_NAND; + ebc0_cs1_bxcr_value = EBC_BXCR_NAND_CS1; + ebc0_cs2_bxap_value = EBC_BXAP_32BIT_SRAM; + ebc0_cs2_bxcr_value = EBC_BXCR_SRAM_CS2; + break; + + /*-------------------------------------------------------------------*/ + case BOOT_FROM_8BIT_NAND: + /*-------------------------------------------------------------------*/ + ebc0_cs0_bxap_value = EBC_BXAP_NAND; + ebc0_cs0_bxcr_value = EBC_BXCR_NAND_CS0; + ebc0_cs1_bxap_value = EBC_BXAP_NOR; + ebc0_cs1_bxcr_value = EBC_BXCR_NOR_CS1; + ebc0_cs2_bxap_value = EBC_BXAP_32BIT_SRAM; + ebc0_cs2_bxcr_value = EBC_BXCR_SRAM_CS2; + break; + + /*-------------------------------------------------------------------*/ + default: + /*-------------------------------------------------------------------*/ + /* BOOT_DEVICE_UNKNOWN */ + break; + } + + mtebc(pb0ap, ebc0_cs0_bxap_value); + mtebc(pb0cr, ebc0_cs0_bxcr_value); + mtebc(pb1ap, ebc0_cs1_bxap_value); + mtebc(pb1cr, ebc0_cs1_bxcr_value); + mtebc(pb2ap, ebc0_cs2_bxap_value); + mtebc(pb2cr, ebc0_cs2_bxcr_value); +} + +static void early_init_UIC(void) +{ + /*--------------------------------------------------------------------+ + | Initialise UIC registers. Clear all interrupts. Disable all + | interrupts. + | Set critical interrupt values. Set interrupt polarities. Set + | interrupt trigger levels. Make bit 0 High priority. Clear all + | interrupts again. + +-------------------------------------------------------------------*/ + mtdcr(uic3sr, 0xffffffff); /* Clear all interrupts */ + mtdcr(uic3er, 0x00000000); /* disable all interrupts */ + mtdcr(uic3cr, 0x00000000); /* Set Critical / Non Critical + * interrupts */ + mtdcr(uic3pr, 0xffffffff); /* Set Interrupt Polarities */ + mtdcr(uic3tr, 0x001fffff); /* Set Interrupt Trigger Levels */ + + mtdcr(uic3sr, 0x00000000); /* clear all interrupts */ + mtdcr(uic3sr, 0xffffffff); /* clear all interrupts */ + + mtdcr(uic2sr, 0xffffffff); /* Clear all interrupts */ + mtdcr(uic2er, 0x00000000); /* disable all interrupts */ + mtdcr(uic2cr, 0x00000000); /* Set Critical / Non Critical + * interrupts */ + mtdcr(uic2pr, 0xebebebff); /* Set Interrupt Polarities */ + mtdcr(uic2tr, 0x74747400); /* Set Interrupt Trigger Levels */ + + mtdcr(uic2sr, 0x00000000); /* clear all interrupts */ + mtdcr(uic2sr, 0xffffffff); /* clear all interrupts */ + + mtdcr(uic1sr, 0xffffffff); /* Clear all interrupts */ + mtdcr(uic1er, 0x00000000); /* disable all interrupts */ + mtdcr(uic1cr, 0x00000000); /* Set Critical / Non Critical + * interrupts */ + mtdcr(uic1pr, 0xffffffff); /* Set Interrupt Polarities */ + mtdcr(uic1tr, 0x001fc0ff); /* Set Interrupt Trigger Levels */ + + mtdcr(uic1sr, 0x00000000); /* clear all interrupts */ + mtdcr(uic1sr, 0xffffffff); /* clear all interrupts */ + + mtdcr(uic0sr, 0xffffffff); /* Clear all interrupts */ + mtdcr(uic0er, 0x00000000); /* disable all interrupts excepted + * cascade to be checked */ + mtdcr(uic0cr, 0x00104001); /* Set Critical / Non Critical + * interrupts */ + mtdcr(uic0pr, 0xffffffff); /* Set Interrupt Polarities */ + mtdcr(uic0tr, 0x000f003c); /* Set Interrupt Trigger Levels */ + + mtdcr(uic0sr, 0x00000000); /* clear all interrupts */ + mtdcr(uic0sr, 0xffffffff); /* clear all interrupts */ + +} diff --git a/board/amcc/redwood/redwood.h b/board/amcc/redwood/redwood.h new file mode 100644 index 0000000..89b87e6 --- /dev/null +++ b/board/amcc/redwood/redwood.h @@ -0,0 +1,50 @@ +/* + * (C) Copyright 2008 + * Feng Kan, Applied Micro Circuit Corp., fkan(a)amcc.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 + */ + +#ifndef __REDWOOD_H_ +#define __REDWOOD_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +/*----------------------------------------------------------------------------+ +| Defines ++----------------------------------------------------------------------------*/ +/* Pin Straps Reg */ +#define SDR0_PSTRP0 0x0040 +#define SDR0_PSTRP0_BOOTSTRAP_MASK 0xE0000000 /* Strap Bits */ + +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS0 0x00000000 /* Default strap settings 0 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS1 0x20000000 /* Default strap settings 1 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS2 0x40000000 /* Default strap settings 2 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS3 0x60000000 /* Default strap settings 3 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS4 0x80000000 /* Default strap settings 4 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS5 0xA0000000 /* Default strap settings 5 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS6 0xC0000000 /* Default strap settings 6 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS7 0xE0000000 /* Default strap settings 7 */ + +#ifdef __cplusplus +} +#endif +#endif /* __REDWOOD_H_ */ diff --git a/board/amcc/redwood/u-boot.lds b/board/amcc/redwood/u-boot.lds new file mode 100644 index 0000000..2104cc2 --- /dev/null +++ b/board/amcc/redwood/u-boot.lds @@ -0,0 +1,147 @@ +/* + * (C) Copyright 2004 + * Wolfgang Denk, DENX Software Engineering, wd(a)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 + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + .bootpg 0xFFFFF000 : + { + cpu/ppc4xx/start.o (.bootpg) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/ppc4xx/start.o (.text) + board/amcc/redwood/init.o (.text) + +/* . = env_offset;*/ +/* common/environment.o(.text)*/ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} -- 1.5.6.1

1 0

[U-Boot-Users] [PATCH 2/3] Add initial PPC460SX reference board (redwood) config file and defines.
by fkan＠amcc.com 03 Jul '08

03 Jul '08

From: Feng Kan <fkan(a)amcc.com> Add config file for AMCC redwood reference board for PPC460SX. Also include defines for PPC460SX processor. Signed-off-by: Feng Kan <fkan(a)amcc.com> --- include/asm-ppc/ppc4xx-sdram.h | 3 +- include/asm-ppc/processor.h | 4 + include/configs/redwood.h | 211 ++++++++++++++++++++++++++++++++++++++++ include/ppc440.h | 20 +++-- include/ppc4xx.h | 3 +- 5 files changed, 232 insertions(+), 9 deletions(-) create mode 100644 include/configs/redwood.h diff --git a/include/asm-ppc/ppc4xx-sdram.h b/include/asm-ppc/ppc4xx-sdram.h index 83931f1..6eb8209 100644 --- a/include/asm-ppc/ppc4xx-sdram.h +++ b/include/asm-ppc/ppc4xx-sdram.h @@ -282,7 +282,8 @@ * Memory Bank 0-7 configuration */ #if defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) #define SDRAM_RXBAS_SDBA_MASK 0xFFE00000 /* Base address */ #define SDRAM_RXBAS_SDBA_ENCODE(n) ((((u32)(n))&0xFFE00000)>>2) #define SDRAM_RXBAS_SDBA_DECODE(n) ((((u32)(n))&0xFFE00000)<<2) diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h index 5b50679..7f1e34f 100644 --- a/include/asm-ppc/processor.h +++ b/include/asm-ppc/processor.h @@ -810,6 +810,10 @@ #define PVR_460EX_RA 0x130218A3 /* 460EX rev A without Security Engine */ #define PVR_460GT_SE_RA 0x130218A0 /* 460GT rev A with Security Engine */ #define PVR_460GT_RA 0x130218A1 /* 460GT rev A without Security Engine */ +#define PVR_460SX_RA 0x13541800 /* 460SX rev A */ +#define PVR_460SX_RA_V1 0x13541801 /* 460SX rev A Variant 1 Security disabled */ +#define PVR_460GX_RA 0x13541802 /* 460GX rev A */ +#define PVR_460GX_RA_V1 0x13541803 /* 460GX rev A Variant 1 Security disabled */ #define PVR_601 0x00010000 #define PVR_602 0x00050000 #define PVR_603 0x00030000 diff --git a/include/configs/redwood.h b/include/configs/redwood.h new file mode 100644 index 0000000..bf4468b --- /dev/null +++ b/include/configs/redwood.h @@ -0,0 +1,211 @@ +/* + * Configuration for AMCC 460SX Ref (redwood) + * + * (C) Copyright 2008 + * Feng Kan, Applied Micro Circuits Corp., fkan(a)amcc.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 + */ +#ifndef __CONFIG_H +#define __CONFIG_H + +/*----------------------------------------------------------------------- + * High Level Configuration Options + *----------------------------------------------------------------------*/ +#define CONFIG_4xx 1 /* ... PPC4xx family */ +#define CONFIG_440 1 /* ... PPC460 family */ +#define CONFIG_460SX 1 /* ... PPC460 family */ +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_pre_init */ + +/*----------------------------------------------------------------------- + * Include common defines/options for all AMCC boards + *----------------------------------------------------------------------*/ +#define CONFIG_HOSTNAME redwood + +#include "amcc-common.h" + +#define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */ + +/*----------------------------------------------------------------------- + * Base addresses -- Note these are effective addresses where the + * actual resources get mapped (not physical addresses) + *----------------------------------------------------------------------*/ +#define CFG_FLASH_BASE 0xfff00000 /* start of FLASH */ +#define CFG_PERIPHERAL_BASE 0xa0000000 /* internal peripherals */ +#define CFG_ISRAM_BASE 0x90000000 /* internal SRAM */ + +#define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */ + +#define CFG_PCIE_MEMBASE 0x90000000 /* mapped PCIe memory */ +#define CFG_PCIE0_MEMBASE 0x90000000 /* mapped PCIe memory */ +#define CFG_PCIE1_MEMBASE 0xa0000000 /* mapped PCIe memory */ +#define CFG_PCIE_MEMSIZE 0x01000000 + +#define CFG_PCIE0_XCFGBASE 0xb0000000 +#define CFG_PCIE1_XCFGBASE 0xb2000000 +#define CFG_PCIE2_XCFGBASE 0xb4000000 +#define CFG_PCIE0_CFGBASE 0xb6000000 +#define CFG_PCIE1_CFGBASE 0xb8000000 +#define CFG_PCIE2_CFGBASE 0xba000000 + +/* PCIe mapped UTL registers */ +#define CFG_PCIE0_REGBASE 0xd0000000 +#define CFG_PCIE1_REGBASE 0xd0010000 +#define CFG_PCIE2_REGBASE 0xd0020000 + +/* System RAM mapped to PCI space */ +#define CONFIG_PCI_SYS_MEM_BUS CFG_SDRAM_BASE +#define CONFIG_PCI_SYS_MEM_PHYS CFG_SDRAM_BASE +#define CONFIG_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024) + +#define CFG_FPGA_BASE 0xe2000000 /* epld */ +#define CFG_OPER_FLASH 0xe7000000 /* SRAM - OPER Flash */ + +/*----------------------------------------------------------------------- + * Initial RAM & stack pointer (placed in internal SRAM) + *----------------------------------------------------------------------*/ +#define CFG_TEMP_STACK_OCM 1 +#define CFG_OCM_DATA_ADDR CFG_ISRAM_BASE +#define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE /* Initial RAM address */ +#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */ +#define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */ + +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_POST_WORD_ADDR (CFG_GBL_DATA_OFFSET - 0x4) +#define CFG_INIT_SP_OFFSET CFG_POST_WORD_ADDR + +/*----------------------------------------------------------------------- + * DDR SDRAM + *----------------------------------------------------------------------*/ +#define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */ +#define CONFIG_DDR_ECC 1 /* with ECC support */ + +#define CFG_SPD_MAX_DIMMS 2 + +/* SPD i2c spd addresses */ +#if CFG_SPD_MAX_DIMMS == 4 +#define SPD_EEPROM_ADDRESS {IIC0_DIMM0_ADDR, IIC0_DIMM1_ADDR, IIC0_DIMM2_ADDR, IIC0_DIMM3_ADDR} +#define IIC0_DIMM0_ADDR 0x53 +#define IIC0_DIMM1_ADDR 0x52 +#define IIC0_DIMM2_ADDR 0x51 +#define IIC0_DIMM3_ADDR 0x50 + +#elif CFG_SPD_MAX_DIMMS == 3 +#define SPD_EEPROM_ADDRESS {IIC0_DIMM0_ADDR, IIC0_DIMM1_ADDR, IIC0_DIMM2_ADDR} +#define IIC0_DIMM0_ADDR 0x53 +#define IIC0_DIMM1_ADDR 0x52 +#define IIC0_DIMM2_ADDR 0x51 + +#elif CFG_SPD_MAX_DIMMS == 2 + #define SPD_EEPROM_ADDRESS {IIC0_DIMM0_ADDR, IIC0_DIMM1_ADDR} + #define IIC0_DIMM0_ADDR 0x53 + #define IIC0_DIMM1_ADDR 0x52 + +#elif CFG_SPD_MAX_DIMMS == 1 + #define SPD_EEPROM_ADDRESS {IIC0_DIMM0_ADDR} + #define IIC0_DIMM0_ADDR 0x53 +#endif + +/*----------------------------------------------------------------------- + * I2C + *----------------------------------------------------------------------*/ +#define CFG_I2C_SPEED 400000 /* I2C speed */ + +#define IIC0_BOOTPROM_ADDR 0x50 +#define IIC0_ALT_BOOTPROM_ADDR 0x54 + +/* Don't probe these addrs */ +#define CFG_I2C_NOPROBES {0x50, 0x52, 0x53, 0x54} + +#define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */ + +/*----------------------------------------------------------------------- + * Environment + *----------------------------------------------------------------------*/ +#undef CFG_ENV_IS_IN_NVRAM /* ... not in NVRAM */ +#define CFG_ENV_IS_IN_FLASH 1 /* Environment uses flash */ +#undef CFG_ENV_IS_IN_EEPROM /* ... not in EEPROM */ + +#define CONFIG_PREBOOT "echo;" \ + "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ + "echo" + +#undef CONFIG_BOOTARGS + +#define CONFIG_EXTRA_ENV_SETTINGS \ + CONFIG_AMCC_DEF_ENV \ + CONFIG_AMCC_DEF_ENV_POWERPC \ + CONFIG_AMCC_DEF_ENV_NOR_UPD \ + CONFIG_AMCC_DEF_ENV_NAND_UPD \ + "kernel_addr=fc000000\0" \ + "fdt_addr=fc1e0000\0" \ + "ramdisk_addr=fc200000\0" \ + "" + +/*----------------------------------------------------------------------------+ +| Commands in addition to amcc-common.h ++----------------------------------------------------------------------------*/ +#define CONFIG_CMD_SDRAM + +#define CONFIG_BOOTCOMMAND "run flash_self" + +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ + +#define CONFIG_IBM_EMAC4_V4 1 +#define CONFIG_PHY_RESET 1 /* reset phy upon startup */ +#define CONFIG_PHY_RESET_DELAY 1000 +#define CONFIG_M88E1141_PHY 1 /* Enable phy */ +#define CONFIG_PHY_GIGE 1 /* Include GbE speed/duplex detection */ + +#define CONFIG_HAS_ETH0 +#define CONFIG_HAS_ETH1 +#define CONFIG_PHY_ADDR 0 /* PHY address, See schematics */ +#define CONFIG_PHY1_ADDR 1 /* PHY address, See schematics */ +#define CONFIG_PHY2_ADDR 2 /* PHY address, See schematics */ +#define CONFIG_PHY3_ADDR 3 /* PHY address, See schematics */ + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +/*----------------------------------------------------------------------- + * FLASH related + *----------------------------------------------------------------------*/ +#define CFG_FLASH_CFI /* The flash is CFI compatible */ +#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ +#define CFG_FLASH_CFI_AMD_RESET 1 /* Use AMD (Spansion) reset cmd */ + +#define CFG_MAX_FLASH_BANKS 3 /* number of banks */ +#define CFG_MAX_FLASH_SECT 256 /* sectors per device */ + +#undef CFG_FLASH_CHECKSUM +#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_ADDR0 0x5555 +#define CFG_FLASH_ADDR1 0x2aaa +#define CFG_FLASH_WORD_SIZE unsigned char + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ +#define CFG_ENV_ADDR 0xfffa0000 +#define CFG_ENV_SIZE 0x10000 /* Size of Environment vars */ +#endif /* CFG_ENV_IS_IN_FLASH */ + +/*---------------------------------------------------------------------------*/ + +#endif /* __CONFIG_H */ diff --git a/include/ppc440.h b/include/ppc440.h index c581f1b..fe988fb 100644 --- a/include/ppc440.h +++ b/include/ppc440.h @@ -749,7 +749,8 @@ +----------------------------------------------------------------------------*/ #if defined (CONFIG_440GX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) #define L2_CACHE_BASE 0x030 #define l2_cache_cfg (L2_CACHE_BASE+0x00) /* L2 Cache Config */ #define l2_cache_cmd (L2_CACHE_BASE+0x01) /* L2 Cache Command */ @@ -837,7 +838,8 @@ /*----------------------------------------------------------------------------- | Clocking, Power Management and Chip Control +----------------------------------------------------------------------------*/ -#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) #define CNTRL_DCR_BASE 0x160 #else #define CNTRL_DCR_BASE 0x0b0 @@ -896,7 +898,8 @@ #if defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) #define UIC2_DCR_BASE 0xe0 #define uic2sr (UIC2_DCR_BASE+0x0) /* UIC2 status-Read Clear */ #define uic2srs (UIC2_DCR_BASE+0x1) /* UIC2 status-Read Set */ @@ -1608,7 +1611,8 @@ #define UICB0_ALL (UICB0_UIC0CI | UICB0_UIC0NCI | UICB0_UIC1CI | \ UICB0_UIC1NCI | UICB0_UIC2CI | UICB0_UIC2NCI) -#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) +#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) #define UICB0_UIC1NCI 0x00000002 /* UIC1 Noncritical Interrupt */ #define UICB0_UIC1CI 0x00000001 /* UIC1 Critical Interrupt */ @@ -1855,7 +1859,7 @@ #define SDR0_DDR0_TUNE_DECODE(n) ((((unsigned long)(n))>>0)&0x2FF) #endif -#if defined(CONFIG_440SPE) +#if defined(CONFIG_440SPE) || defined(CONFIG_460SX) #define SDR0_CP440 0x0180 #define SDR0_CP440_ERPN_MASK 0x30000000 #define SDR0_CP440_ERPN_MASK_HI 0x3000 @@ -2793,7 +2797,8 @@ /*-----------------------------------------------------------------------------+ | Clocking +-----------------------------------------------------------------------------*/ -#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) #define PLLSYS0_FWD_DIV_A_MASK 0x000000f0 /* Fwd Div A */ #define PLLSYS0_FWD_DIV_B_MASK 0x0000000f /* Fwd Div B */ #define PLLSYS0_FB_DIV_MASK 0x0000ff00 /* Feedback divisor */ @@ -3145,7 +3150,8 @@ * GPIO macro register defines ******************************************************************************/ #if defined(CONFIG_440GP) || defined(CONFIG_440GX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460SX) #define GPIO0_BASE (CFG_PERIPHERAL_BASE+0x00000700) #define GPIO0_OR (GPIO0_BASE+0x0) diff --git a/include/ppc4xx.h b/include/ppc4xx.h index 0a8479f..54897f7 100644 --- a/include/ppc4xx.h +++ b/include/ppc4xx.h @@ -41,7 +41,8 @@ #if defined(CONFIG_405EX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) #define CONFIG_SDRAM_PPC4xx_IBM_DDR2 /* IBM DDR(2) controller */ #endif -- 1.5.6.1

1 0

[U-Boot-Users] [PATCH 1/3] Add initial PPC460SX defines for the cpu/ppc4xx directory.
by fkan＠amcc.com 03 Jul '08

03 Jul '08

From: Feng Kan <fkan(a)amcc.com> Add AMCC PPC460SX defines to prep for new 460SX boards. Signed-off-by: Feng Kan <fkan(a)amcc.com> --- cpu/ppc4xx/44x_spd_ddr2.c | 3 ++- cpu/ppc4xx/cpu.c | 33 +++++++++++++++++++++++++++++++++ cpu/ppc4xx/speed.c | 3 ++- cpu/ppc4xx/start.S | 19 +++++++++++++++++-- 4 files changed, 54 insertions(+), 4 deletions(-) diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c index c28fc46..582d5ed 100644 --- a/cpu/ppc4xx/44x_spd_ddr2.c +++ b/cpu/ppc4xx/44x_spd_ddr2.c @@ -52,7 +52,8 @@ #if defined(CONFIG_SPD_EEPROM) && \ (defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT)) + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX)) /*-----------------------------------------------------------------------------+ * Defines diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c index 39f439d..ef32bc6 100644 --- a/cpu/ppc4xx/cpu.c +++ b/cpu/ppc4xx/cpu.c @@ -184,6 +184,19 @@ static char *bootstrap_str[] = { static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' }; #endif +#if defined(CONFIG_460SX) +#define SDR0_PINSTP_SHIFT 29 +static char *bootstrap_str[] = { + "EBC (8 bits)", + "EBC (16 bits)", + "EBC (32 bits)", + "NAND (8 bits)", + "I2C (Addr 0x54)", /* A8 */ + "I2C (Addr 0x52)", /* A4 */ +}; +static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G' }; +#endif + #if defined(CONFIG_405EZ) #define SDR0_PINSTP_SHIFT 28 static char *bootstrap_str[] = { @@ -509,6 +522,26 @@ int checkcpu (void) strcpy(addstr, "Security/Kasumi support"); break; + case PVR_460SX_RA: + puts("SX Rev. A"); + strcpy(addstr, "Security support"); + break; + + case PVR_460SX_RA_V1: + puts("SX Rev. A"); + strcpy(addstr, "No Security support"); + break; + + case PVR_460GX_RA: + puts("GX Rev. A"); + strcpy(addstr, "Security support"); + break; + + case PVR_460GX_RA_V1: + puts("GX Rev. A"); + strcpy(addstr, "No Security support"); + break; + default: printf (" UNKNOWN (PVR=%08x)", pvr); break; diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c index ef47ffc..336ca02 100644 --- a/cpu/ppc4xx/speed.c +++ b/cpu/ppc4xx/speed.c @@ -205,7 +205,8 @@ ulong get_PCI_freq (void) #elif defined(CONFIG_440) -#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) static u8 pll_fwdv_multi_bits[] = { /* values for: 1 - 16 */ 0x00, 0x01, 0x0f, 0x04, 0x09, 0x0a, 0x0d, 0x0e, 0x03, 0x0c, diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 426bf3c..97411bd 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -677,7 +677,8 @@ _start: /* not all PPC's have internal SRAM usable as L2-cache */ #if defined(CONFIG_440GX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) mtdcr l2_cache_cfg,r0 /* Ensure L2 Cache is off */ #endif @@ -720,6 +721,19 @@ _start: lis r1,0x4000 /* BAS = 8000_0000 */ ori r1,r1,0x4580 /* 16k */ mtdcr isram0_sb0cr,r1 +#elif defined(CONFIG_460SX) + lis r1,0x0000 /* BAS = 0000_0000 */ + ori r1,r1,0x0B84 /* first 128k */ + mtdcr isram0_sb0cr,r1 + lis r1,0x0001 + ori r1,r1,0x0B84 /* second 128k */ + mtdcr isram0_sb1cr,r1 + lis r1, 0x0002 + ori r1,r1, 0x0B84 /* third 128k */ + mtdcr isram0_sb2cr,r1 + lis r1, 0x0003 + ori r1,r1, 0x0B84 /* fourth 128k */ + mtdcr isram0_sb3cr,r1 #elif defined(CONFIG_440GP) ori r1,r1,0x0380 /* 8k rw */ mtdcr isram0_sb0cr,r1 @@ -1415,7 +1429,8 @@ relocate_code: #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) /* * On some 440er platforms the cache is enabled in the first TLB (Boot-CS) * to speed up the boot process. Now this cache needs to be disabled. -- 1.5.6.1

1 0

[U-Boot-Users] You're on Whozat!
by team＠whozat.com 03 Jul '08

03 Jul '08

1 0

[U-Boot-Users] [PATCH 3/3] sh: Renesas RSK+ 7203 board support
by Nobuhiro Iwamatsu 03 Jul '08

03 Jul '08

This adds initial support for the RTE RSK+ SH7203 board. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro(a)renesas.com> --- MAINTAINERS | 2 + MAKEALL | 3 + Makefile | 8 ++ board/rsk7203/Makefile | 45 +++++++ board/rsk7203/config.mk | 28 +++++ board/rsk7203/lowlevel_init.S | 265 +++++++++++++++++++++++++++++++++++++++++ board/rsk7203/rsk7203.c | 50 ++++++++ board/rsk7203/u-boot.lds | 102 ++++++++++++++++ include/configs/rsk7203.h | 107 +++++++++++++++++ 9 files changed, 610 insertions(+), 0 deletions(-) create mode 100644 board/rsk7203/Makefile create mode 100644 board/rsk7203/config.mk create mode 100644 board/rsk7203/lowlevel_init.S create mode 100644 board/rsk7203/rsk7203.c create mode 100644 board/rsk7203/u-boot.lds create mode 100644 include/configs/rsk7203.h diff --git a/MAINTAINERS b/MAINTAINERS index a3d70b1..abb63c9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -717,12 +717,14 @@ Haavard Skinnemoen <hskinnemoen(a)atmel.com> ######################################################################### Nobuhiro Iwamatsu <iwamatsu(a)nigauri.org> + <iwamatsu.nobuhiro(a)renesas.com> MS7750SE SH7750 MS7722SE SH7722 R7780MP SH7780 R2DPlus SH7751R SH7763RDP SH7763 + RSK7203 SH7203 Mark Jonas <mark.jonas(a)de.bosch.com> diff --git a/MAKEALL b/MAKEALL index 32caab7..aa97597 100755 --- a/MAKEALL +++ b/MAKEALL @@ -740,6 +740,9 @@ LIST_blackfin=" \ ## SH Systems ######################################################################### +LIST_sh2=" \ + rsk7203 \ +" LIST_sh3=" \ mpr2 \ ms7720se \ diff --git a/Makefile b/Makefile index 8bfc891..75f2520 100644 --- a/Makefile +++ b/Makefile @@ -2907,6 +2907,14 @@ atngw100_config : unconfig ######################################################################### ######################################################################### +## sh2 (Renesas SuperH) +######################################################################### +rsk7203_config: unconfig + @ >include/config.h + @echo "#define CONFIG_RSK7203 1" >> include/config.h + @./mkconfig -a $(@:_config=) sh sh2 rsk7203 + +######################################################################### ## sh3 (Renesas SuperH) ######################################################################### mpr2_config: unconfig diff --git a/board/rsk7203/Makefile b/board/rsk7203/Makefile new file mode 100644 index 0000000..32055be --- /dev/null +++ b/board/rsk7203/Makefile @@ -0,0 +1,45 @@ +# +# Copyright (C) 2007,2008 Nobuhiro Iwamatsu +# Copyright (C) 2008 Renesas Solutions Corp. +# +# u-boot/board/rsk7203/Makefile +# +# 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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := rsk7203.o +SOBJS := lowlevel_init.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/rsk7203/config.mk b/board/rsk7203/config.mk new file mode 100644 index 0000000..61aa51f --- /dev/null +++ b/board/rsk7203/config.mk @@ -0,0 +1,28 @@ +# +# Copyright (C) 2007,2008 Nobuhiro Iwamatsu +# Copyright (C) 2008 Renesas Solutions Corp. +# +# u-boot/board/rsk7203/config.mk +# +# 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 + +# +# TEXT_BASE refers to image _after_ relocation. +# +# NOTE: Must match value used in u-boot.lds (in this directory). +# + +TEXT_BASE = 0x0C7C0000 diff --git a/board/rsk7203/lowlevel_init.S b/board/rsk7203/lowlevel_init.S new file mode 100644 index 0000000..19ab798 --- /dev/null +++ b/board/rsk7203/lowlevel_init.S @@ -0,0 +1,265 @@ +/* + * Copyright (C) 2008 Nobuhiro Iwamatsu + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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 <config.h> +#include <version.h> + +#include <asm/processor.h> + + .global lowlevel_init + + .text + .align 2 + +lowlevel_init: + /* Cache setting */ + mov.l CCR1_A ,r1 + mov.l CCR1_D ,r0 + mov.l r0,@r1 + + /* ConfigurePortPins */ + mov.l PECRL3_A, r1 + mov.l PECRL3_D, r0 + mov.w r0,@r1 + + mov.l PCCRL4_A, r1 + mov.l PCCRL4_D0, r0 + mov.w r0,@r1 + + mov.l PECRL4_A, r1 + mov.l PECRL4_D0, r0 + mov.w r0,@r1 + + mov.l PEIORL_A, r1 + mov.l PEIORL_D0, r0 + mov.w r0,@r1 + + mov.l PCIORL_A, r1 + mov.l PCIORL_D, r0 + mov.w r0,@r1 + + mov.l PFCRH2_A, r1 + mov.l PFCRH2_D, r0 + mov.w r0,@r1 + + mov.l PFCRH3_A, r1 + mov.l PFCRH3_D, r0 + mov.w r0,@r1 + + mov.l PFCRH1_A, r1 + mov.l PFCRH1_D, r0 + mov.w r0,@r1 + + mov.l PFIORH_A, r1 + mov.l PFIORH_D, r0 + mov.w r0,@r1 + + mov.l PECRL1_A, r1 + mov.l PECRL1_D0, r0 + mov.w r0,@r1 + + mov.l PEIORL_A, r1 + mov.l PEIORL_D1, r0 + mov.w r0,@r1 + + /* ConfigureOperatingFrequency */ + mov.l WTCSR_A ,r1 + mov.l WTCSR_D0 ,r0 + mov.w r0,@r1 + + mov.l WTCSR_A ,r1 + mov.l WTCSR_D1 ,r0 + mov.w r0,@r1 + + mov.l WTCNT_A ,r1 + mov.l WTCNT_D ,r0 + mov.w r0,@r1 + + /* Set clock mode*/ + mov.l FRQCR_A,r1 + mov.l FRQCR_D,r0 + mov.w r0,@r1 + + /* ConfigureBusAndMemory */ +init_bsc_cs0: + mov.l PCCRL4_A,r1 + mov.l PCCRL4_D1,r0 + mov.w r0,@r1 + + mov.l PECRL1_A,r1 + mov.l PECRL1_D1,r0 + mov.w r0,@r1 + + mov.l CMNCR_A,r1 + mov.l CMNCR_D,r0 + mov.l r0,@r1 + + mov.l SC0BCR_A,r1 + mov.l SC0BCR_D,r0 + mov.l r0,@r1 + + mov.l CS0WCR_A,r1 + mov.l CS0WCR_D,r0 + mov.l r0,@r1 + +init_bsc_cs1: + mov.l PECRL4_A,r1 + mov.l PECRL4_D1,r0 + mov.w r0,@r1 + + mov.l CS1WCR_A,r1 + mov.l CS1WCR_D,r0 + mov.l r0,@r1 + +init_sdram: + mov.l PCCRL2_A,r1 + mov.l PCCRL2_D,r0 + mov.w r0,@r1 + + mov.l PCCRL4_A,r1 + mov.l PCCRL4_D2,r0 + mov.w r0,@r1 + + mov.l PCCRL1_A,r1 + mov.l PCCRL1_D,r0 + mov.w r0,@r1 + + mov.l PCCRL3_A,r1 + mov.l PCCRL3_D,r0 + mov.w r0,@r1 + + mov.l CS3BCR_A,r1 + mov.l CS3BCR_D,r0 + mov.l r0,@r1 + + mov.l CS3WCR_A,r1 + mov.l CS3WCR_D,r0 + mov.l r0,@r1 + + mov.l SDCR_A,r1 + mov.l SDCR_D,r0 + mov.l r0,@r1 + + mov.l RTCOR_A,r1 + mov.l RTCOR_D,r0 + mov.l r0,@r1 + + mov.l RTCSR_A,r1 + mov.l RTCSR_D,r0 + mov.l r0,@r1 + + /* wait 200us */ + mov.l REPEAT_D,r3 + mov #0,r2 +repeat0: + add #1,r2 + cmp/hs r3,r2 + bf repeat0 + nop + + mov.l SDRAM_MODE, r1 + mov #0,r0 + mov.l r0, @r1 + + nop + rts + + .align 4 + +CCR1_A: .long CCR1 +CCR1_D: .long 0x0000090B +PCCRL4_A: .long 0xFFFE3910 +PCCRL4_D0: .long 0x00000000 +PECRL4_A: .long 0xFFFE3A10 +PECRL4_D0: .long 0x00000000 +PECRL3_A: .long 0xFFFE3A12 +PECRL3_D: .long 0x00000000 +PEIORL_A: .long 0xFFFE3A06 +PEIORL_D0: .long 0x00001C00 +PEIORL_D1: .long 0x00001C02 +PCIORL_A: .long 0xFFFE3906 +PCIORL_D: .long 0x00004000 +PFCRH2_A: .long 0xFFFE3A8C +PFCRH2_D: .long 0x00000000 +PFCRH3_A: .long 0xFFFE3A8A +PFCRH3_D: .long 0x00000000 +PFCRH1_A: .long 0xFFFE3A8E +PFCRH1_D: .long 0x00000000 +PFIORH_A: .long 0xFFFE3A84 +PFIORH_D: .long 0x00000729 +PECRL1_A: .long 0xFFFE3A16 +PECRL1_D0: .long 0x00000033 + + +WTCSR_A: .long 0xFFFE0000 +WTCSR_D0: .long 0x0000A518 +WTCSR_D1: .long 0x0000A51D +WTCNT_A: .long 0xFFFE0002 +WTCNT_D: .long 0x00005A84 +FRQCR_A: .long 0xFFFE0010 +FRQCR_D: .long 0x00000104 + +PCCRL4_D1: .long 0x00000010 +PECRL1_D1: .long 0x00000133 + +CMNCR_A: .long 0xFFFC0000 +CMNCR_D: .long 0x00001810 +SC0BCR_A: .long 0xFFFC0004 +SC0BCR_D: .long 0x10000400 +CS0WCR_A: .long 0xFFFC0028 +CS0WCR_D: .long 0x00000B41 +PECRL4_D1: .long 0x00000100 +CS1WCR_A: .long 0xFFFC002C +CS1WCR_D: .long 0x00000B01 +PCCRL4_D2: .long 0x00000011 +PCCRL3_A: .long 0xFFFE3912 +PCCRL3_D: .long 0x00000011 +PCCRL2_A: .long 0xFFFE3914 +PCCRL2_D: .long 0x00001111 +PCCRL1_A: .long 0xFFFE3916 +PCCRL1_D: .long 0x00001010 +PDCRL4_A: .long 0xFFFE3990 +PDCRL4_D: .long 0x00000011 +PDCRL3_A: .long 0xFFFE3992 +PDCRL3_D: .long 0x00000011 +PDCRL2_A: .long 0xFFFE3994 +PDCRL2_D: .long 0x00001111 +PDCRL1_A: .long 0xFFFE3996 +PDCRL1_D: .long 0x00001000 +CS3BCR_A: .long 0xFFFC0010 +CS3BCR_D: .long 0x00004400 +CS3WCR_A: .long 0xFFFC0034 +CS3WCR_D: .long 0x00002892 +SDCR_A: .long 0xFFFC004C +SDCR_D: .long 0x00000809 +RTCOR_A: .long 0xFFFC0058 +RTCOR_D: .long 0xA55A0041 +RTCSR_A: .long 0xFFFC0050 +RTCSR_D: .long 0xa55a0010 + +STBCR3_A: .long 0xFFFE0408 +STBCR3_D: .long 0x00000000 +STBCR4_A: .long 0xFFFE040C +STBCR4_D: .long 0x00000008 +STBCR5_A: .long 0xFFFE0410 +STBCR5_D: .long 0x00000000 +STBCR6_A: .long 0xFFFE0414 +STBCR6_D: .long 0x00000002 +SDRAM_MODE: .long 0xFFFC5040 +REPEAT_D: .long 0x00009C40 diff --git a/board/rsk7203/rsk7203.c b/board/rsk7203/rsk7203.c new file mode 100644 index 0000000..beb943e --- /dev/null +++ b/board/rsk7203/rsk7203.c @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2008 Nobuhiro Iwamatsu + * Copyright (C) 2008 Renesas Solutions Corp. + * + * u-boot/board/rsk7203/rsk7203.c + * + * 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/io.h> +#include <asm/processor.h> + +int checkboard(void) +{ + puts("BOARD: Renesas Technology RSK7203\n"); + return 0; +} + +int board_init(void) +{ + return 0; +} + +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_memstart = CFG_SDRAM_BASE; + gd->bd->bi_memsize = CFG_SDRAM_SIZE; + printf("DRAM: %dMB\n", CFG_SDRAM_SIZE / (1024 * 1024)); + return 0; +} + +void led_set_state(unsigned short value) +{ +} diff --git a/board/rsk7203/u-boot.lds b/board/rsk7203/u-boot.lds new file mode 100644 index 0000000..7d58cfd --- /dev/null +++ b/board/rsk7203/u-boot.lds @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2008 Nobuhiro Iwamatsu + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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 + */ + +OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux") +OUTPUT_ARCH(sh) +ENTRY(_start) + +SECTIONS +{ + /* + Base address of internal SDRAM is 0x0C000000. + + NOTE: This address must match with the definition of + TEXT_BASE in config.mk (in this directory). + */ + + . = 0x0C000000 + (8*1024*1024) - (256*1024); + + PROVIDE (reloc_dst = .); + + PROVIDE (_ftext = .); + PROVIDE (_fcode = .); + PROVIDE (_start = .); + + .text : + { + cpu/sh2/start.o (.text) + . = ALIGN(8192); + common/environment.o (.ppcenv) + . = ALIGN(8192); + common/environment.o (.ppcenvr) + . = ALIGN(8192); + *(.text) + . = ALIGN(4); + } =0xFF + PROVIDE (_ecode = .); + .rodata : + { + *(.rodata) + . = ALIGN(4); + } + PROVIDE (_etext = .); + + + PROVIDE (_fdata = .); + .data : + { + *(.data) + . = ALIGN(4); + } + PROVIDE (_edata = .); + + PROVIDE (_fgot = .); + .got : + { + *(.got) + . = ALIGN(4); + } + PROVIDE (_egot = .); + + PROVIDE (__u_boot_cmd_start = .); + .u_boot_cmd : + { + *(.u_boot_cmd) + . = ALIGN(4); + } + PROVIDE (__u_boot_cmd_end = .); + + PROVIDE (reloc_dst_end = .); + /* _reloc_dst_end = .; */ + + PROVIDE (bss_start = .); + PROVIDE (__bss_start = .); + .bss : + { + *(.bss) + . = ALIGN(4); + } + PROVIDE (bss_end = .); + + PROVIDE (_end = .); +} diff --git a/include/configs/rsk7203.h b/include/configs/rsk7203.h new file mode 100644 index 0000000..270c149 --- /dev/null +++ b/include/configs/rsk7203.h @@ -0,0 +1,107 @@ +/* + * Configuation settings for the Renesas Technology RSK 7203 + * + * Copyright (C) 2008 Nobuhiro Iwamatsu + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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 + */ + +#ifndef __RSK7203_H +#define __RSK7203_H + +#undef DEBUG +#define CONFIG_SH 1 +#define CONFIG_SH2 1 +#define CONFIG_SH2A 1 +#define CONFIG_CPU_SH7203 1 +#define CONFIG_RSK7203 1 + +#define CONFIG_CMD_FLASH +#define CONFIG_CMD_NET +#define CONFIG_CMD_NFS +#define CONFIG_CMD_PING +#define CONFIG_CMD_ENV +#define CONFIG_CMD_SDRAM +#define CONFIG_CMD_MEMORY +#define CONFIG_CMD_CACHE + +#define CONFIG_BAUDRATE 115200 +#define CONFIG_BOOTARGS "console=ttySC0,115200" +#define CONFIG_LOADADDR 0x0C100000 /* RSK7203_SDRAM_BASE + 1MB */ + +#define CONFIG_VERSION_VARIABLE +#undef CONFIG_SHOW_BOOT_PROGRESS + +/* MEMORY */ +#define RSK7203_SDRAM_BASE 0x0C000000 +#define RSK7203_FLASH_BASE_1 0x20000000 /* Non cache */ +#define RSK7203_FLASH_BANK_SIZE (4 * 1024 * 1024) + +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Buffer size for input from the Console */ +#define CFG_PBSIZE 256 /* Buffer size for Console output */ +#define CFG_MAXARGS 16 /* max args accepted for monitor commands */ +/* Buffer size for Boot Arguments passed to kernel */ +#define CFG_BARGSIZE 512 +/* List of legal baudrate settings for this board */ +#define CFG_BAUDRATE_TABLE { 115200 } + +/* SCIF */ +#define CFG_SCIF_CONSOLE 1 +#define CONFIG_CONS_SCIF0 1 + +#define CFG_MEMTEST_START RSK7203_SDRAM_BASE +#define CFG_MEMTEST_END (CFG_MEMTEST_START + (3 * 1024 * 1024)) + +#define CFG_SDRAM_BASE RSK7203_SDRAM_BASE +#define CFG_SDRAM_SIZE (32 * 1024 * 1024) + +#define CFG_LOAD_ADDR (CFG_SDRAM_BASE + 1024 * 1024) +#define CFG_MONITOR_BASE RSK7203_FLASH_BASE_1 +#define CFG_MONITOR_LEN (128 * 1024) +#define CFG_MALLOC_LEN (256 * 1024) +#define CFG_GBL_DATA_SIZE 256 +#define CFG_BOOTMAPSZ (8 * 1024 * 1024) + +/* FLASH */ +#define CFG_FLASH_CFI +#define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT +#define CFG_FLASH_CFI_DRIVER +#undef CFG_FLASH_QUIET_TEST +#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ +#define CFG_FLASH_BASE RSK7203_FLASH_BASE_1 +#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } +#define CFG_MAX_FLASH_SECT 64 +#define CFG_MAX_FLASH_BANKS 1 + +#define CFG_ENV_IS_IN_FLASH +#define CFG_ENV_SECT_SIZE (64 * 1024) +#define CFG_ENV_SIZE CFG_ENV_SECT_SIZE +#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN) +#define CFG_FLASH_ERASE_TOUT 12000 +#define CFG_FLASH_WRITE_TOUT 500 + +/* Board Clock */ +#define CONFIG_SYS_CLK_FREQ 33333333 +#define CMT_CLK_DIVIDER 32 /* 8 (default), 32, 128 or 512 */ +#define CFG_HZ (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER) + +#endif /* __RSK7203_H */ -- 1.5.5.1

1 0

[U-Boot-Users] [PATCH 2/3] sh: Add support Renesas SH7203 processor
by Nobuhiro Iwamatsu 03 Jul '08

03 Jul '08

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro(a)renesas.com> --- drivers/serial/serial_sh.c | 3 ++- include/asm-sh/cpu_sh2.h | 4 ++++ include/asm-sh/cpu_sh7203.h | 41 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 47 insertions(+), 1 deletions(-) create mode 100644 include/asm-sh/cpu_sh7203.h diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 0801ac4..4ea117c 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -72,7 +72,8 @@ # endif #elif defined(CONFIG_CPU_SH7750) || \ defined(CONFIG_CPU_SH7751) || \ - defined(CONFIG_CPU_SH7722) + defined(CONFIG_CPU_SH7722) || \ + defined(CONFIG_CPU_SH7203) # define SCSPTR (vu_short *)(SCIF_BASE + 0x20) # define SCLSR (vu_short *)(SCIF_BASE + 0x24) # define LSR_ORER 1 diff --git a/include/asm-sh/cpu_sh2.h b/include/asm-sh/cpu_sh2.h index d776cb9..7d8f92a 100644 --- a/include/asm-sh/cpu_sh2.h +++ b/include/asm-sh/cpu_sh2.h @@ -31,6 +31,10 @@ #define CACHE_OC_NUM_ENTRIES 256 #define CACHE_OC_ENTRY_SHIFT 4 +#if defined(CONFIG_CPU_SH7203) +# include <asm/cpu_sh7203.h> +#else # error "Unknown SH2 variant" +#endif #endif /* _ASM_CPU_SH2_H_ */ diff --git a/include/asm-sh/cpu_sh7203.h b/include/asm-sh/cpu_sh7203.h new file mode 100644 index 0000000..77dcac4 --- /dev/null +++ b/include/asm-sh/cpu_sh7203.h @@ -0,0 +1,41 @@ +#ifndef _ASM_CPU_SH7203_H_ +#define _ASM_CPU_SH7203_H_ + +/* Cache */ +#define CCR1 0xFFFC1000 +#define CCR CCR1 + +/* PFC */ +#define PACR 0xA4050100 +#define PBCR 0xA4050102 +#define PCCR 0xA4050104 +#define PETCR 0xA4050106 + +/* Port Data Registers */ +#define PADR 0xA4050120 +#define PBDR 0xA4050122 +#define PCDR 0xA4050124 + +/* BSC */ + +/* SDRAM controller */ + +/* SCIF */ +#define SCSMR_0 0xFFFE8000 +#define SCIF0_BASE SCSMR_0 + +/* Timer(CMT) */ +#define CMSTR 0xFFFEC000 +#define CMCSR_0 0xFFFEC002 +#define CMCNT_0 0xFFFEC004 +#define CMCOR_0 0xFFFEC006 +#define CMCSR_1 0xFFFEC008 +#define CMCNT_1 0xFFFEC00A +#define CMCOR_1 0xFFFEC00C + +/* On chip oscillator circuits */ +#define FRQCR 0xA415FF80 +#define WTCNT 0xA415FF84 +#define WTCSR 0xA415FF86 + +#endif /* _ASM_CPU_SH7203_H_ */ -- 1.5.5.1

1 0

[U-Boot-Users] [PATCH 1/3] sh: Add support SH2/SH2A which is CPU of Renesas Technology
by Nobuhiro Iwamatsu 03 Jul '08

03 Jul '08

Add support SH2/SH2A basic function. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro(a)renesas.com> --- cpu/sh2/Makefile | 46 ++++++++++++++++++ cpu/sh2/cache.c | 112 ++++++++++++++++++++++++++++++++++++++++++++ cpu/sh2/config.mk | 29 +++++++++++ cpu/sh2/cpu.c | 98 ++++++++++++++++++++++++++++++++++++++ cpu/sh2/interrupts.c | 39 +++++++++++++++ cpu/sh2/start.S | 84 +++++++++++++++++++++++++++++++++ cpu/sh2/time.c | 111 +++++++++++++++++++++++++++++++++++++++++++ cpu/sh2/watchdog.c | 33 +++++++++++++ examples/Makefile | 3 + include/asm-sh/cpu_sh2.h | 36 ++++++++++++++ include/asm-sh/processor.h | 5 ++- 11 files changed, 595 insertions(+), 1 deletions(-) create mode 100644 cpu/sh2/Makefile create mode 100644 cpu/sh2/cache.c create mode 100644 cpu/sh2/config.mk create mode 100644 cpu/sh2/cpu.c create mode 100644 cpu/sh2/interrupts.c create mode 100644 cpu/sh2/start.S create mode 100644 cpu/sh2/time.c create mode 100644 cpu/sh2/watchdog.c create mode 100644 include/asm-sh/cpu_sh2.h diff --git a/cpu/sh2/Makefile b/cpu/sh2/Makefile new file mode 100644 index 0000000..afd4f80 --- /dev/null +++ b/cpu/sh2/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd(a)denx.de. +# +# Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu(a)nigauri.org> +# Copyright (C) 2008 Renesas Solutions Corp. +# +# 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 = $(obj)lib$(CPU).a + +START = start.o +OBJS = cpu.o interrupts.o watchdog.o time.o # cache.o + +all: .depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/cpu/sh2/cache.c b/cpu/sh2/cache.c new file mode 100644 index 0000000..d7ac2a5 --- /dev/null +++ b/cpu/sh2/cache.c @@ -0,0 +1,112 @@ +/* + * (C) Copyright 2007 + * Yoshihiro Shimoda <shimoda.yoshihiro(a)renesas.com> + * + * Copyright (C) 2007, 2008 Nobobuhiro Iwamatsu <iwamatsu(a)nigauri.org> + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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 <common.h> +#include <command.h> +#include <asm/processor.h> +#include <asm/io.h> + +/* + * Jump to P2 area. + * When handling TLB or caches, we need to do it from P2 area. + */ +#define jump_to_P2() \ + do { \ + unsigned long __dummy; \ + __asm__ __volatile__( \ + "mov.l 1f, %0\n\t" \ + "or %1, %0\n\t" \ + "jmp @%0\n\t" \ + " nop\n\t" \ + ".balign 4\n" \ + "1: .long 2f\n" \ + "2:" \ + : "=&r" (__dummy) \ + : "r" (0x20000000)); \ + } while (0) + +/* + * Back to P1 area. + */ +#define back_to_P1() \ + do { \ + unsigned long __dummy; \ + __asm__ __volatile__( \ + "nop;nop;nop;nop;nop;nop;nop\n\t" \ + "mov.l 1f, %0\n\t" \ + "jmp @%0\n\t" \ + " nop\n\t" \ + ".balign 4\n" \ + "1: .long 2f\n" \ + "2:" \ + : "=&r" (__dummy)); \ + } while (0) + +#define CACHE_VALID 1 +#define CACHE_UPDATED 2 + +static inline void cache_wback_all(void) +{ + unsigned long addr, data, i, j; + + jump_to_P2(); + for (i = 0; i < CACHE_OC_NUM_ENTRIES; i++) { + for (j = 0; j < CACHE_OC_NUM_WAYS; j++) { + addr = CACHE_OC_ADDRESS_ARRAY + | (j << CACHE_OC_WAY_SHIFT) + | (i << CACHE_OC_ENTRY_SHIFT); + data = inl(addr); + if (data & CACHE_UPDATED) { + data &= ~CACHE_UPDATED; + outl(data, addr); + } + } + } + back_to_P1(); +} + + +#define CACHE_ENABLE 0 +#define CACHE_DISABLE 1 + +int cache_control(unsigned int cmd) +{ + unsigned long ccr; + + jump_to_P2(); + ccr = inl(CCR); + + if (ccr & CCR_CACHE_ENABLE) + cache_wback_all(); + + if (cmd == CACHE_DISABLE) + outl(CCR_CACHE_STOP, CCR); + else + outl(CCR_CACHE_INIT, CCR); + back_to_P1(); + + return 0; +} diff --git a/cpu/sh2/config.mk b/cpu/sh2/config.mk new file mode 100644 index 0000000..c2703fe --- /dev/null +++ b/cpu/sh2/config.mk @@ -0,0 +1,29 @@ +# +# (C) Copyright 2007-2008 +# Nobuhiro Iwamatsu <iwamatsu(a)nigauri.org> +# +# 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 +# +# +#export CFLAGS = -m3e -mb +#export LDFLAGS = -m3e -mb -Wl,-EB -Wl,-elf2flt=-s65536 + +PLATFORM_CPPFLAGS += -m3e -mb +PLATFORM_RELFLAGS += -ffixed-r13 +PLATFORM_LDFLAGS += -EB diff --git a/cpu/sh2/cpu.c b/cpu/sh2/cpu.c new file mode 100644 index 0000000..e0cb047 --- /dev/null +++ b/cpu/sh2/cpu.c @@ -0,0 +1,98 @@ +/* + * Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu(a)nigauri.org> + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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 <common.h> +#include <command.h> +#include <asm/processor.h> +#include <asm/io.h> + +#define STBCR4 0xFFFE040C +#define cmt_clock_enable() do {\ + writeb(readb(STBCR4) & ~0x04, STBCR4);\ + } while (0) +#define scif0_enable() do {\ + writeb(readb(STBCR4) & ~0x80, STBCR4);\ + } while (0) + +int checkcpu(void) +{ +#if defined(CONFIG_SH2A) + puts("CPU: SH2A\n"); +#else + puts("CPU: SH2\n"); +#endif + return 0; +} + +int cpu_init(void) +{ + /* SCIF enable */ + scif0_enable(); + /* CMT clock enable */ + cmt_clock_enable() ; + return 0; +} + +int cleanup_before_linux(void) +{ + disable_interrupts(); + return 0; +} + +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + disable_interrupts(); + reset_cpu(0); + return 0; +} + +void flush_cache(unsigned long addr, unsigned long size) +{ + +} + +void icache_enable(void) +{ +} + +void icache_disable(void) +{ +} + +int icache_status(void) +{ + return 0; +} + +void dcache_enable(void) +{ +} + +void dcache_disable(void) +{ +} + +int dcache_status(void) +{ + return 0; +} diff --git a/cpu/sh2/interrupts.c b/cpu/sh2/interrupts.c new file mode 100644 index 0000000..fe6ff3a --- /dev/null +++ b/cpu/sh2/interrupts.c @@ -0,0 +1,39 @@ +/* + * Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu(a)nigauri.org> + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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 <common.h> + +int interrupt_init(void) +{ + return 0; +} + +void enable_interrupts(void) +{ + +} + +int disable_interrupts(void) +{ + return 0; +} diff --git a/cpu/sh2/start.S b/cpu/sh2/start.S new file mode 100644 index 0000000..969fe00 --- /dev/null +++ b/cpu/sh2/start.S @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu(a)nigauri.org> + * Copyright (C) 2008 Renesas Solutions Corp. + + * 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 <config.h> +#include <version.h> + + .text + .align 2 + + .global _start +_start: +#if 1 + .long 0x00000010 /* Ppower ON reset PC*/ + .long 0x00000000 + .long 0x00000010 /* Manual reset PC */ + .long 0x00000000 +#endif +_init: + mov.l ._lowlevel_init, r0 +100: bsrf r0 + nop + bsr 1f + nop +1: sts pr, r5 + mov.l ._reloc_dst, r4 +#if 1 + add #(_start-1b), r5 +#else + mov #16, r5 +#endif + mov.l ._reloc_dst_end, r6 + +2: mov.l @r5+, r1 + mov.l r1, @r4 + add #4, r4 + cmp/hs r6, r4 + bf 2b + + mov.l ._bss_start, r4 + mov.l ._bss_end, r5 + mov #0, r1 + +3: mov.l r1, @r4 /* bss clear */ + add #4, r4 + cmp/hs r5, r4 + bf 3b + + mov.l ._gd_init, r13 /* global data */ + mov.l ._stack_init, r15 /* stack */ + + mov.l ._sh_generic_init, r0 + jsr @r0 + nop + +loop: + bra loop + + .align 2 + +._lowlevel_init: .long (lowlevel_init - (100b + 4)) +._reloc_dst: .long reloc_dst +._reloc_dst_end: .long reloc_dst_end +._bss_start: .long bss_start +._bss_end: .long bss_end +._gd_init: .long (_start - CFG_GBL_DATA_SIZE) +._stack_init: .long (_start - CFG_GBL_DATA_SIZE - CFG_MALLOC_LEN - 16) +._sh_generic_init: .long sh_generic_init diff --git a/cpu/sh2/time.c b/cpu/sh2/time.c new file mode 100644 index 0000000..d6eb0cb --- /dev/null +++ b/cpu/sh2/time.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2007,2008 Nobobuhiro Iwamatsu <iwamatsu(a)nigauri.org> + * Copyright (C) 2008 Renesas Solutions Corp. + * + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd(a)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 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/processor.h> + +#define CMT_CMCSR_INIT 0x0001 /* PCLK/32 */ +#define CMT_CMCSR_CALIB 0x0000 +#define CMT_MAX_COUNTER (0xFFFFFFFF) +#define CMT_TIMER_RESET (0xFFFF) + +static vu_long cmt0_timer; + +static void cmt_timer_start(unsigned int timer) +{ + writew(readw(CMSTR) | 0x01, CMSTR); +} + +static void cmt_timer_stop(unsigned int timer) +{ + writew(readw(CMSTR) & ~0x01, CMSTR); +} + +int timer_init(void) +{ + cmt0_timer = 0; + /* Divide clock by 32 */ + readw(CMCSR_0); + writew(CMT_CMCSR_INIT, CMCSR_0); + + /* User Device 0 only */ + cmt_timer_stop(0); + set_timer(CMT_TIMER_RESET); + cmt_timer_start(0); + + return 0; +} + +unsigned long long get_ticks(void) +{ + return cmt0_timer; +} + +static vu_long cmcnt; +ulong get_timer(ulong base) +{ + ulong data = readw(CMCNT_0); + + if (data >= cmcnt) + cmcnt = data - cmcnt; + else + cmcnt = (CMT_TIMER_RESET - cmcnt) + data; + + if ((cmt0_timer + cmcnt) > CMT_MAX_COUNTER) + cmt0_timer = ((cmt0_timer + cmcnt) - CMT_MAX_COUNTER); + else + cmt0_timer += cmcnt; + + cmcnt = data; + return cmt0_timer - base; +} + +void set_timer(ulong t) +{ + writew((u16) t, CMCOR_0); +} + +void reset_timer(void) +{ + cmt_timer_stop(0); + set_timer(CMT_TIMER_RESET); + cmt0_timer = 0; + cmt_timer_start(0); +} + +void udelay(unsigned long usec) +{ + unsigned int start = get_timer(0); + + while (get_timer((ulong) start) < (usec * (CFG_HZ / 1000000))) + continue; +} + +unsigned long get_tbclk(void) +{ + return CFG_HZ; +} diff --git a/cpu/sh2/watchdog.c b/cpu/sh2/watchdog.c new file mode 100644 index 0000000..de0254b --- /dev/null +++ b/cpu/sh2/watchdog.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhoro(a)renesas.com> + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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/processor.h> + +int watchdog_init(void) +{ + return 0; +} + +void reset_cpu(unsigned long ignored) +{ + while (1) + ; +} diff --git a/examples/Makefile b/examples/Makefile index 66b354d..b0a8853 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -67,6 +67,9 @@ endif ifeq ($(ARCH),sh) LOAD_ADDR = 0x8C000000 +ifeq ($(CPU),sh2) +BIG_ENDIAN=y +endif endif ifeq ($(ARCH),sparc) diff --git a/include/asm-sh/cpu_sh2.h b/include/asm-sh/cpu_sh2.h new file mode 100644 index 0000000..d776cb9 --- /dev/null +++ b/include/asm-sh/cpu_sh2.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu(a)nigauri.org> + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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 _ASM_CPU_SH2_H_ +#define _ASM_CPU_SH2_H_ + +/* cache control */ +#define CCR_CACHE_STOP 0x00000008 +#define CCR_CACHE_ENABLE 0x00000005 +#define CCR_CACHE_ICI 0x00000008 + +#define CACHE_OC_ADDRESS_ARRAY 0xf0000000 +#define CACHE_OC_WAY_SHIFT 13 +#define CACHE_OC_NUM_ENTRIES 256 +#define CACHE_OC_ENTRY_SHIFT 4 + +# error "Unknown SH2 variant" + +#endif /* _ASM_CPU_SH2_H_ */ diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h index 388aa69..938a89c 100644 --- a/include/asm-sh/processor.h +++ b/include/asm-sh/processor.h @@ -1,6 +1,9 @@ #ifndef _ASM_SH_PROCESSOR_H_ #define _ASM_SH_PROCESSOR_H_ -#if defined CONFIG_SH3 +#if defined(CONFIG_SH2) || \ + defined (CONFIG_SH2A) +# include <asm/cpu_sh2.h> +#elif defined (CONFIG_SH3) # include <asm/cpu_sh3.h> #elif defined (CONFIG_SH4) || \ defined (CONFIG_SH4A) -- 1.5.5.1

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[U-Boot-Users] What do you think she wants
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03 Jul '08

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[U-Boot-Users] (no subject)
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03 Jul '08

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03 Jul '08

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