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ppc4xx: Add T3COPR board support (PPC460GT based)

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This patch adds support for the T3CORP board, based on the
AppliedMicro (APM) PPC460GT.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese
2010-05-19 11:11:15 +02:00
parent 4978e60584
commit 273ed0370d
9 changed files with 990 additions and 0 deletions
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53
board/t3corp/Makefile Normal file
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#
# (C) Copyright 2010
# Stefan Roese, DENX Software Engineering, sr@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS-y := $(BOARD).o
COBJS-$(CONFIG_CMD_CHIP_CONFIG) += chip_config.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
#########################################################################

59
board/t3corp/chip_config.c Normal file
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/*
* (C) Copyright 2010
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <asm/ppc4xx_config.h>
struct ppc4xx_config ppc4xx_config_val[] = {
{
"600", "CPU: 600 PLB: 200 OPB: 100 EBC: 100",
{
0x86, 0x80, 0xce, 0x1f, 0x79, 0x80, 0x00, 0xa0,
0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
}
},
{
"800", "CPU: 800 PLB: 200 OPB: 100 EBC: 100",
{
0x86, 0x80, 0xba, 0x14, 0x99, 0x80, 0x00, 0xa0,
0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
}
},
{
"1000", "CPU:1000 PLB: 200 OPB: 100 EBC: 100",
{
0x86, 0x82, 0x96, 0x19, 0xb9, 0x80, 0x00, 0xa0,
0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
}
},
{
"1066", "CPU:1066 PLB: 266 OPB: 88 EBC: 88",
{
0x86, 0x80, 0xb3, 0x01, 0x9d, 0x80, 0x00, 0xa0,
0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
}
},
};
int ppc4xx_config_count = ARRAY_SIZE(ppc4xx_config_val);

39
board/t3corp/config.mk Normal file
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#
# (C) Copyright 2010
# Stefan Roese, DENX Software Engineering, sr@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
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

99
board/t3corp/init.S Normal file
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/*
* (C) Copyright 2010
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <ppc_asm.tmpl>
#include <config.h>
#include <asm/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(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M,
CONFIG_SYS_BOOT_BASE_ADDR, 4, AC_RWX | SA_G)
/*
* TLB entries for SDRAM are not needed on this platform.
* They are dynamically generated in the DDR(2) detection
* routine.
*/
#ifdef CONFIG_SYS_INIT_RAM_DCACHE
/* 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)
#endif
tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xc,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xc,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xd,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xd,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xd,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xd,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xd,
AC_RW | SA_IG)
/* PCIe UTL register */
tlbentry(CONFIG_SYS_PCIE_BASE, SZ_16K, 0x08010000, 0xc, AC_RW | SA_IG)
/* TLB-entry for FPGA(s) */
tlbentry(CONFIG_SYS_FPGA1_BASE, SZ_1M, CONFIG_SYS_FPGA1_BASE, 4,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_FPGA2_BASE, SZ_1M, CONFIG_SYS_FPGA2_BASE, 4,
AC_RW | SA_IG)
tlbentry(CONFIG_SYS_FPGA3_BASE, SZ_1M, CONFIG_SYS_FPGA3_BASE, 4,
AC_RW | SA_IG)
/* TLB-entry for OCM */
tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4,
AC_RWX | SA_I)
/* TLB-entry for Local Configuration registers => peripherals */
tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M,
CONFIG_SYS_LOCAL_CONF_REGS, 4, AC_RWX | SA_IG)
tlbtab_end

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board/t3corp/t3corp.c Normal file
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/*
* (C) Copyright 2010
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* 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 <ppc440.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/4xx_pcie.h>
#include <asm/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
* enable GPIO 49-63
* UART0: 4 pins
*/
mtsdr(SDR0_PFC0, 0x00007fff);
mtsdr(SDR0_PFC1, 0x00040000);
/* Enable PCI host functionality in SDR0_PCI0 */
mtsdr(SDR0_PCI0, 0xe0000000);
mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */
/* Setup PLB4-AHB bridge based on the system address map */
mtdcr(AHB_TOP, 0x8000004B);
mtdcr(AHB_BOT, 0x8000004B);
return 0;
}
int checkboard(void)
{
char *s = getenv("serial#");
printf("Board: T3CORP");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\n');
return 0;
}
int board_early_init_r(void)
{
/*
* T3CORP has 64MBytes of NOR flash (Spansion 29GL512), but the
* boot EBC mapping only supports a maximum of 16MBytes
* (4.ff00.0000 - 4.ffff.ffff).
* To solve this problem, the flash has to get remapped to another
* EBC address which accepts bigger regions:
*
* 0xfn00.0000 -> 4.cn00.0000
*/
/* Remap the NOR flash to 0xcn00.0000 ... 0xcfff.ffff */
mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L | EBC_BXCR_BS_64MB |
EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
/* Remove TLB entry of boot EBC mapping */
remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
/* Add TLB entry for 0xfn00.0000 -> 0x4.cn00.0000 */
program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE,
CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE);
/*
* Now accessing of the whole 64Mbytes of NOR flash at virtual address
* 0xfc00.0000 is possible
*/
/*
* Clear potential errors resulting from auto-calibration.
* If not done, then we could get an interrupt later on when
* exceptions are enabled.
*/
set_mcsr(get_mcsr());
return 0;
}
int misc_init_r(void)
{
u32 sdr0_srst1 = 0;
u32 eth_cfg;
/*
* Set EMAC mode/configuration (GMII, SGMII, RGMII...).
* This is board specific, so let's do it here.
*/
mfsdr(SDR0_ETH_CFG, eth_cfg);
/* disable SGMII mode */
eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE |
SDR0_ETH_CFG_SGMII1_ENABLE |
SDR0_ETH_CFG_SGMII0_ENABLE);
/* Set the for 2 RGMII mode */
/* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
eth_cfg &= ~SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
mtsdr(SDR0_ETH_CFG, eth_cfg);
/*
* 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;
}
int board_pcie_last(void)
{
/*
* Only PCIe0 for now, PCIe1 hangs on this board
*/
return 0;
}
/*
* Board specific WRDTR and CLKTR values used by the auto-
* calibration code (4xx_ibm_ddr2_autocalib.c).
*/
static struct sdram_timing board_scan_options[] = {
{1, 2},
{-1, -1}
};
struct sdram_timing *ddr_scan_option(struct sdram_timing *default_val)
{
return board_scan_options;
}