diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/t3corp/Makefile | 53 | ||||
| -rw-r--r-- | board/t3corp/chip_config.c | 59 | ||||
| -rw-r--r-- | board/t3corp/config.mk | 39 | ||||
| -rw-r--r-- | board/t3corp/init.S | 99 | ||||
| -rw-r--r-- | board/t3corp/t3corp.c | 193 |
5 files changed, 443 insertions, 0 deletions
diff --git a/board/t3corp/Makefile b/board/t3corp/Makefile new file mode 100644 index 0000000000..e2bb54673e --- /dev/null +++ b/board/t3corp/Makefile @@ -0,0 +1,53 @@ +# +# (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 + +######################################################################### diff --git a/board/t3corp/chip_config.c b/board/t3corp/chip_config.c new file mode 100644 index 0000000000..c00bf16bd9 --- /dev/null +++ b/board/t3corp/chip_config.c @@ -0,0 +1,59 @@ +/* + * (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); diff --git a/board/t3corp/config.mk b/board/t3corp/config.mk new file mode 100644 index 0000000000..616aa19827 --- /dev/null +++ b/board/t3corp/config.mk @@ -0,0 +1,39 @@ +# +# (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 diff --git a/board/t3corp/init.S b/board/t3corp/init.S new file mode 100644 index 0000000000..4a4217fc8e --- /dev/null +++ b/board/t3corp/init.S @@ -0,0 +1,99 @@ +/* + * (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 diff --git a/board/t3corp/t3corp.c b/board/t3corp/t3corp.c new file mode 100644 index 0000000000..8ffa321690 --- /dev/null +++ b/board/t3corp/t3corp.c @@ -0,0 +1,193 @@ +/* + * (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; +} |