diff options
Diffstat (limited to 'board/freescale/p2020ds')
| -rw-r--r-- | board/freescale/p2020ds/Makefile | 54 | ||||
| -rw-r--r-- | board/freescale/p2020ds/config.mk | 32 | ||||
| -rw-r--r-- | board/freescale/p2020ds/ddr.c | 130 | ||||
| -rw-r--r-- | board/freescale/p2020ds/law.c | 42 | ||||
| -rw-r--r-- | board/freescale/p2020ds/p2020ds.c | 634 | ||||
| -rw-r--r-- | board/freescale/p2020ds/tlb.c | 95 | ||||
| -rw-r--r-- | board/freescale/p2020ds/u-boot.lds | 143 |
7 files changed, 1130 insertions, 0 deletions
diff --git a/board/freescale/p2020ds/Makefile b/board/freescale/p2020ds/Makefile new file mode 100644 index 0000000..41032ac --- /dev/null +++ b/board/freescale/p2020ds/Makefile @@ -0,0 +1,54 @@ +# +# Copyright 2007-2009 Freescale Semiconductor, Inc. +# (C) Copyright 2001-2006 +# Wolfgang Denk, DENX Software Engineering, wd@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-y += ddr.o +COBJS-y += law.o +COBJS-y += tlb.o + +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(OBJS) $(SOBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/p2020ds/config.mk b/board/freescale/p2020ds/config.mk new file mode 100644 index 0000000..18bdc86 --- /dev/null +++ b/board/freescale/p2020ds/config.mk @@ -0,0 +1,32 @@ +# +# Copyright 2007-2009 Freescale Semiconductor, Inc. +# +# 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 +# + +# +# p2020ds board +# +ifndef TEXT_BASE +TEXT_BASE = 0xeff80000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_E500=1 +PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1 +PLATFORM_CPPFLAGS += -DCONFIG_P2020=1 diff --git a/board/freescale/p2020ds/ddr.c b/board/freescale/p2020ds/ddr.c new file mode 100644 index 0000000..b9c0cb2 --- /dev/null +++ b/board/freescale/p2020ds/ddr.c @@ -0,0 +1,130 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * Version 2 as published by the Free Software Foundation. + */ + +#include <common.h> +#include <i2c.h> + +#include <asm/fsl_ddr_sdram.h> +#include <asm/fsl_ddr_dimm_params.h> + +static void get_spd(ddr3_spd_eeprom_t *spd, unsigned char i2c_address) +{ + i2c_read(i2c_address, 0, 1, (uchar *)spd, sizeof(ddr3_spd_eeprom_t)); +} + +unsigned int fsl_ddr_get_mem_data_rate(void) +{ + return get_ddr_freq(0); +} + +void fsl_ddr_get_spd(ddr3_spd_eeprom_t *ctrl_dimms_spd, + unsigned int ctrl_num) +{ + unsigned int i; + unsigned int i2c_address = 0; + + for (i = 0; i < CONFIG_DIMM_SLOTS_PER_CTLR; i++) { + if (ctrl_num == 0 && i == 0) + i2c_address = SPD_EEPROM_ADDRESS1; + get_spd(&(ctrl_dimms_spd[i]), i2c_address); + } +} + +typedef struct { + u32 datarate_mhz_low; + u32 datarate_mhz_high; + u32 n_ranks; + u32 clk_adjust; + u32 cpo; + u32 write_data_delay; + u32 force_2T; +} board_specific_parameters_t; + +/* ranges for parameters: + * wr_data_delay = 0-6 + * clk adjust = 0-8 + * cpo 2-0x1E (30) + */ + + +/* XXX: these values need to be checked for all interleaving modes. */ +/* XXX: No reliable dual-rank 800 MHz setting has been found. It may + * seem reliable, but errors will appear when memory intensive + * program is run. */ +/* XXX: Single rank at 800 MHz is OK. */ +const board_specific_parameters_t board_specific_parameters[][20] = { + { + /* memory controller 0 */ + /* lo| hi| num| clk| cpo|wrdata|2T */ + /* mhz| mhz|ranks|adjst| | delay| */ + { 0, 333, 2, 6, 7, 3, 0}, + {334, 400, 2, 6, 9, 3, 0}, + {401, 549, 2, 6, 11, 3, 0}, + {550, 680, 2, 1, 10, 5, 0}, + {681, 850, 2, 1, 12, 5, 1}, + { 0, 333, 1, 6, 7, 3, 0}, + {334, 400, 1, 6, 9, 3, 0}, + {401, 549, 1, 6, 11, 3, 0}, + {550, 680, 1, 1, 10, 5, 0}, + {681, 850, 1, 1, 12, 5, 0} + }, +}; + +void fsl_ddr_board_options(memctl_options_t *popts, + dimm_params_t *pdimm, + unsigned int ctrl_num) +{ + const board_specific_parameters_t *pbsp = + &(board_specific_parameters[ctrl_num][0]); + u32 num_params = sizeof(board_specific_parameters[ctrl_num]) / + sizeof(board_specific_parameters[0][0]); + u32 i; + ulong ddr_freq; + + /* set odt_rd_cfg and odt_wr_cfg. If the there is only one dimm in + * that controller, set odt_wr_cfg to 4 for CS0, and 0 to CS1. If + * there are two dimms in the controller, set odt_rd_cfg to 3 and + * odt_wr_cfg to 3 for the even CS, 0 for the odd CS. + */ + for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { + if (i&1) { /* odd CS */ + popts->cs_local_opts[i].odt_rd_cfg = 0; + popts->cs_local_opts[i].odt_wr_cfg = 0; + } else { /* even CS */ + if (CONFIG_DIMM_SLOTS_PER_CTLR == 1) { + popts->cs_local_opts[i].odt_rd_cfg = 0; + popts->cs_local_opts[i].odt_wr_cfg = 4; + } else if (CONFIG_DIMM_SLOTS_PER_CTLR == 2) { + popts->cs_local_opts[i].odt_rd_cfg = 3; + popts->cs_local_opts[i].odt_wr_cfg = 3; + } + } + } + + /* Get clk_adjust, cpo, write_data_delay,2T, according to the board ddr + * freqency and n_banks specified in board_specific_parameters table. + */ + ddr_freq = get_ddr_freq(0) / 1000000; + for (i = 0; i < num_params; i++) { + if (ddr_freq >= pbsp->datarate_mhz_low && + ddr_freq <= pbsp->datarate_mhz_high && + pdimm->n_ranks == pbsp->n_ranks) { + popts->clk_adjust = pbsp->clk_adjust; + popts->cpo_override = pbsp->cpo; + popts->write_data_delay = pbsp->write_data_delay; + popts->twoT_en = pbsp->force_2T; + } + pbsp++; + } + + /* + * Factors to consider for half-strength driver enable: + * - number of DIMMs installed + */ + popts->half_strength_driver_enable = 0; +} diff --git a/board/freescale/p2020ds/law.c b/board/freescale/p2020ds/law.c new file mode 100644 index 0000000..da297c5 --- /dev/null +++ b/board/freescale/p2020ds/law.c @@ -0,0 +1,42 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@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/fsl_law.h> +#include <asm/mmu.h> + +struct law_entry law_table[] = { + SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC), + SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_1), + SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_1), + SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_2), + SET_LAW(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_2), + SET_LAW(CONFIG_SYS_PCIE3_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_3), + SET_LAW(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_3), + SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC), + SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_LBC), +}; + +int num_law_entries = ARRAY_SIZE(law_table); diff --git a/board/freescale/p2020ds/p2020ds.c b/board/freescale/p2020ds/p2020ds.c new file mode 100644 index 0000000..6b72d61 --- /dev/null +++ b/board/freescale/p2020ds/p2020ds.c @@ -0,0 +1,634 @@ +/* + * Copyright 2007-2009 Freescale Semiconductor, Inc. + * + * 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 <pci.h> +#include <asm/processor.h> +#include <asm/mmu.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_pci.h> +#include <asm/fsl_ddr_sdram.h> +#include <asm/io.h> +#include <miiphy.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <tsec.h> +#include <asm/fsl_law.h> +#include <asm/mp.h> + +#include "../common/pixis.h" +#include "../common/sgmii_riser.h" + +DECLARE_GLOBAL_DATA_PTR; + +phys_size_t fixed_sdram(void); + +int checkboard(void) +{ + puts("Board: P2020DS "); +#ifdef CONFIG_PHYS_64BIT + puts("(36-bit addrmap) "); +#endif + printf("Sys ID: 0x%02x, " + "Sys Ver: 0x%02x, FPGA Ver: 0x%02x\n", + in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER), + in8(PIXIS_BASE + PIXIS_PVER)); + return 0; +} + +phys_size_t initdram(int board_type) +{ + phys_size_t dram_size = 0; + + puts("Initializing...."); + +#ifdef CONFIG_SPD_EEPROM + dram_size = fsl_ddr_sdram(); +#else + dram_size = fixed_sdram(); + + if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE, + dram_size, + LAW_TRGT_IF_DDR) < 0) { + printf("ERROR setting Local Access Windows for DDR\n"); + return 0; + }; +#endif + dram_size = setup_ddr_tlbs(dram_size / 0x100000); + dram_size *= 0x100000; + + puts(" DDR: "); + return dram_size; +} + +#if !defined(CONFIG_SPD_EEPROM) +/* + * Fixed sdram init -- doesn't use serial presence detect. + */ + +phys_size_t fixed_sdram(void) +{ + volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR; + uint d_init; + + ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG; + ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; + ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; + ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1; + ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2; + ddr->sdram_md_cntl = CONFIG_SYS_DDR_MODE_CTRL; + ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL; + ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT; + ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL; + ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2; + ddr->ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CNTL; + ddr->ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CNTL; + ddr->ddr_cdr1 = CONFIG_SYS_DDR_CDR1; + ddr->timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4; + ddr->timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5; + + if (!strcmp("performance", getenv("perf_mode"))) { + /* Performance Mode Values */ + + ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG_PERF; + ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS_PERF; + ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS_PERF; + ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_PERF; + ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_PERF; + + asm("sync;isync"); + + udelay(500); + + ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL_PERF; + } else { + /* Stable Mode Values */ + + ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG; + ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS; + ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS; + ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; + ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; + + /* ECC will be assumed in stable mode */ + ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN; + ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS; + ddr->err_sbe = CONFIG_SYS_DDR_SBE; + + asm("sync;isync"); + + udelay(500); + + ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; + } + +#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + d_init = 1; + debug("DDR - 1st controller: memory initializing\n"); + /* + * Poll until memory is initialized. + * 512 Meg at 400 might hit this 200 times or so. + */ + while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) + udelay(1000); + debug("DDR: memory initialized\n\n"); + asm("sync; isync"); + udelay(500); +#endif + + return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; +} + +#endif + +#ifdef CONFIG_PCIE1 +static struct pci_controller pcie1_hose; +#endif + +#ifdef CONFIG_PCIE2 +static struct pci_controller pcie2_hose; +#endif + +#ifdef CONFIG_PCIE3 +static struct pci_controller pcie3_hose; +#endif + +int first_free_busno = 0; + +#ifdef CONFIG_PCI +void pci_init_board(void) +{ + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + uint devdisr = gur->devdisr; + uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; + uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; + + volatile ccsr_fsl_pci_t *pci; + struct pci_controller *hose; + int pcie_ep, pcie_configured; + struct pci_region *r; +/* u32 temp32; */ + + debug(" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n", + devdisr, io_sel, host_agent); + + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) + printf(" eTSEC2 is in sgmii mode.\n"); + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) + printf(" eTSEC3 is in sgmii mode.\n"); + +#ifdef CONFIG_PCIE2 + pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR; + hose = &pcie2_hose; + pcie_ep = (host_agent == 2) || (host_agent == 4) || + (host_agent == 6) || (host_agent == 0); + pcie_configured = (io_sel == 0x2) || (io_sel == 0xe); + r = hose->regions; + + if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)) { + printf("\n PCIE2 connected to ULI as %s (base addr %x)", + pcie_ep ? "End Point" : "Root Complex", + (uint)pci); + if (pci->pme_msg_det) { + pci->pme_msg_det = 0xffffffff; + debug(" with errors. Clearing. Now 0x%08x", + pci->pme_msg_det); + } + printf("\n"); + + /* inbound */ + r += fsl_pci_setup_inbound_windows(r); + + /* outbound memory */ + pci_set_region(r++, + CONFIG_SYS_PCIE2_MEM_BUS, + CONFIG_SYS_PCIE2_MEM_PHYS, + CONFIG_SYS_PCIE2_MEM_SIZE, + PCI_REGION_MEM); + + /* outbound io */ + pci_set_region(r++, + CONFIG_SYS_PCIE2_IO_BUS, + CONFIG_SYS_PCIE2_IO_PHYS, + CONFIG_SYS_PCIE2_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = r - hose->regions; + hose->first_busno = first_free_busno; + pci_setup_indirect(hose, (int)&pci->cfg_addr, + (int)&pci->cfg_data); + + fsl_pci_init(hose); + first_free_busno = hose->last_busno+1; + printf(" PCIE2 on bus %02x - %02x\n", + hose->first_busno, hose->last_busno); + + /* + * The workaround doesn't work on p2020 because the location + * we try and read isn't valid on p2020, fix this later + */ +#if 0 + /* + * Activate ULI1575 legacy chip by performing a fake + * memory access. Needed to make ULI RTC work. + * Device 1d has the first on-board memory BAR. + */ + + pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0), + PCI_BASE_ADDRESS_1, &temp32); + if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) { + void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0), + temp32, 4, 0); + debug(" uli1575 read to %p\n", p); + in_be32(p); + } +#endif + } else { + printf(" PCIE2: disabled\n"); + } +#else + gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */ +#endif + +#ifdef CONFIG_PCIE3 + pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR; + hose = &pcie3_hose; + pcie_ep = (host_agent == 0) || (host_agent == 3) || + (host_agent == 5) || (host_agent == 6); + pcie_configured = (io_sel == 0x2) || (io_sel == 0x4); + r = hose->regions; + + if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)) { + printf("\n PCIE3 connected to Slot 1 as %s (base addr %x)", + pcie_ep ? "End Point" : "Root Complex", + (uint)pci); + if (pci->pme_msg_det) { + pci->pme_msg_det = 0xffffffff; + debug(" with errors. Clearing. Now 0x%08x", + pci->pme_msg_det); + } + printf("\n"); + + /* inbound */ + r += fsl_pci_setup_inbound_windows(r); + + /* outbound memory */ + pci_set_region(r++, + CONFIG_SYS_PCIE3_MEM_BUS, + CONFIG_SYS_PCIE3_MEM_PHYS, + CONFIG_SYS_PCIE3_MEM_SIZE, + PCI_REGION_MEM); + + /* outbound io */ + pci_set_region(r++, + CONFIG_SYS_PCIE3_IO_BUS, + CONFIG_SYS_PCIE3_IO_PHYS, + CONFIG_SYS_PCIE3_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = r - hose->regions; + hose->first_busno = first_free_busno; + pci_setup_indirect(hose, (int)&pci->cfg_addr, + (int)&pci->cfg_data); + + fsl_pci_init(hose); + + first_free_busno = hose->last_busno+1; + printf(" PCIE3 on bus %02x - %02x\n", + hose->first_busno, hose->last_busno); + + } else { + printf(" PCIE3: disabled\n"); + } +#else + gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */ +#endif + +#ifdef CONFIG_PCIE1 + pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR; + hose = &pcie1_hose; + pcie_ep = (host_agent <= 1) || (host_agent == 4) || (host_agent == 5); + pcie_configured = (io_sel & 6) || (io_sel == 0xE) || (io_sel == 0xF); + r = hose->regions; + + if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) { + printf("\n PCIE1 connected to Slot 2 as %s (base addr %x)", + pcie_ep ? "End Point" : "Root Complex", + (uint)pci); + if (pci->pme_msg_det) { + pci->pme_msg_det = 0xffffffff; + debug(" with errors. Clearing. Now 0x%08x", + pci->pme_msg_det); + } + printf("\n"); + + /* inbound */ + r += fsl_pci_setup_inbound_windows(r); + + /* outbound memory */ + pci_set_region(r++, + CONFIG_SYS_PCIE1_MEM_BUS, + CONFIG_SYS_PCIE1_MEM_PHYS, + CONFIG_SYS_PCIE1_MEM_SIZE, + PCI_REGION_MEM); + + /* outbound io */ + pci_set_region(r++, + CONFIG_SYS_PCIE1_IO_BUS, + CONFIG_SYS_PCIE1_IO_PHYS, + CONFIG_SYS_PCIE1_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = r - hose->regions; + hose->first_busno = first_free_busno; + + pci_setup_indirect(hose, (int)&pci->cfg_addr, + (int)&pci->cfg_data); + + fsl_pci_init(hose); + + first_free_busno = hose->last_busno+1; + printf(" PCIE1 on bus %02x - %02x\n", + hose->first_busno, hose->last_busno); + + } else { + printf(" PCIE1: disabled\n"); + } +#else + gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ +#endif +} +#endif + +int board_early_init_r(void) +{ + const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; + const u8 flash_esel = 2; + + /* + * Remap Boot flash + PROMJET region to caching-inhibited + * so that flash can be erased properly. + */ + + /* Flush d-cache and invalidate i-cache of any FLASH data */ + flush_dcache(); + invalidate_icache(); + + /* invalidate existing TLB entry for flash + promjet */ + disable_tlb(flash_esel); + + set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, flash_esel, BOOKE_PAGESZ_256M, 1); + + return 0; +} + +#ifdef CONFIG_GET_CLK_FROM_ICS307 +/* decode S[0-2] to Output Divider (OD) */ +static unsigned char ics307_S_to_OD[] = { + 10, 2, 8, 4, 5, 7, 3, 6 +}; + +/* Calculate frequency being generated by ICS307-02 clock chip based upon + * the control bytes being programmed into it. */ +/* XXX: This function should probably go into a common library */ +static unsigned long +ics307_clk_freq(unsigned char cw0, unsigned char cw1, unsigned char cw2) +{ + const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ; + unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1); + unsigned long RDW = cw2 & 0x7F; + unsigned long OD = ics307_S_to_OD[cw0 & 0x7]; + unsigned long freq; + + /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */ + + /* cw0: C1 C0 TTL F1 F0 S2 S1 S0 + * cw1: V8 V7 V6 V5 V4 V3 V2 V1 + * cw2: V0 R6 R5 R4 R3 R2 R1 R0 + * + * R6:R0 = Reference Divider Word (RDW) + * V8:V0 = VCO Divider Word (VDW) + * S2:S0 = Output Divider Select (OD) + * F1:F0 = Function of CLK2 Output + * TTL = duty cycle + * C1:C0 = internal load capacitance for cyrstal + */ + + /* Adding 1 to get a "nicely" rounded number, but this needs + * more tweaking to get a "properly" rounded number. */ + + freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD)); + + debug("ICS307: CW[0-2]: %02X %02X %02X => %lu Hz\n", cw0, cw1, cw2, + freq); + return freq; +} + +unsigned long get_board_sys_clk(ulong dummy) +{ + return gd->bus_clk; +} + +unsigned long get_board_ddr_clk(ulong dummy) +{ + return gd->mem_clk; +} + +unsigned long +calculate_board_sys_clk(ulong dummy) +{ + ulong val; + val = ics307_clk_freq( + in8(PIXIS_BASE + PIXIS_VSYSCLK0), + in8(PIXIS_BASE + PIXIS_VSYSCLK1), + in8(PIXIS_BASE + PIXIS_VSYSCLK2)); + debug("sysclk val = %lu\n", val); + return val; +} + +unsigned long +calculate_board_ddr_clk(ulong dummy) +{ + ulong val; + val = ics307_clk_freq( + in8(PIXIS_BASE + PIXIS_VDDRCLK0), + in8(PIXIS_BASE + PIXIS_VDDRCLK1), + in8(PIXIS_BASE + PIXIS_VDDRCLK2)); + debug("ddrclk val = %lu\n", val); + return val; +} +#else +unsigned long get_board_sys_clk(ulong dummy) +{ + u8 i; + ulong val = 0; + + i = in8(PIXIS_BASE + PIXIS_SPD); + i &= 0x07; + + switch (i) { + case 0: + val = 33333333; + break; + case 1: + val = 40000000; + break; + case 2: + val = 50000000; + break; + case 3: + val = 66666666; + break; + case 4: + val = 83333333; + break; + case 5: + val = 100000000; + break; + case 6: + val = 133333333; + break; + case 7: + val = 166666666; + break; + } + + return val; +} + +unsigned long get_board_ddr_clk(ulong dummy) +{ + u8 i; + ulong val = 0; + + i = in8(PIXIS_BASE + PIXIS_SPD); + i &= 0x38; + i >>= 3; + + switch (i) { + case 0: + val = 33333333; + break; + case 1: + val = 40000000; + break; + case 2: + val = 50000000; + break; + case 3: + val = 66666666; + break; + case 4: + val = 83333333; + break; + case 5: + val = 100000000; + break; + case 6: + val = 133333333; + break; + case 7: + val = 166666666; + break; + } + return val; +} +#endif + +#ifdef CONFIG_TSEC_ENET +int board_eth_init(bd_t *bis) +{ + struct tsec_info_struct tsec_info[4]; + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + int num = 0; + +#ifdef CONFIG_TSEC1 + SET_STD_TSEC_INFO(tsec_info[num], 1); + num++; +#endif +#ifdef CONFIG_TSEC2 + SET_STD_TSEC_INFO(tsec_info[num], 2); + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) + tsec_info[num].flags |= TSEC_SGMII; + num++; +#endif +#ifdef CONFIG_TSEC3 + SET_STD_TSEC_INFO(tsec_info[num], 3); + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) + tsec_info[num].flags |= TSEC_SGMII; + num++; +#endif + + if (!num) { + printf("No TSECs initialized\n"); + + return 0; + } + +#ifdef CONFIG_FSL_SGMII_RISER + fsl_sgmii_riser_init(tsec_info, num); +#endif + + tsec_eth_init(bis, tsec_info, num); + + return 0; +} +#endif + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + base = getenv_bootm_low(); + size = getenv_bootm_size(); + + fdt_fixup_memory(blob, (u64)base, (u64)size); + +#ifdef CONFIG_PCIE3 + ft_fsl_pci_setup(blob, "pci0", &pcie3_hose); +#endif +#ifdef CONFIG_PCIE2 + ft_fsl_pci_setup(blob, "pci1", &pcie2_hose); +#endif +#ifdef CONFIG_PCIE1 + ft_fsl_pci_setup(blob, "pci2", &pcie1_hose); +#endif +#ifdef CONFIG_FSL_SGMII_RISER + fsl_sgmii_riser_fdt_fixup(blob); +#endif +} +#endif + +#ifdef CONFIG_MP +void board_lmb_reserve(struct lmb *lmb) +{ + cpu_mp_lmb_reserve(lmb); +} +#endif diff --git a/board/freescale/p2020ds/tlb.c b/board/freescale/p2020ds/tlb.c new file mode 100644 index 0000000..b2e562a --- /dev/null +++ b/board/freescale/p2020ds/tlb.c @@ -0,0 +1,95 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@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/mmu.h> + +struct fsl_e_tlb_entry tlb_table[] = { + /* TLB 0 - for temp stack in cache */ + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, + CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, + CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, + CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + + /* TLB 1 */ + /* *I*** - Covers boot page */ + SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I, + 0, 0, BOOKE_PAGESZ_4K, 1), + + /* *I*G* - CCSRBAR */ + SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 1, BOOKE_PAGESZ_1M, 1), + + /* W**G* - Flash/promjet, localbus */ + /* This will be changed to *I*G* after relocation to RAM. */ + SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS, + MAS3_SX|MAS3_SR, MAS2_W|MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + + /* *I*G* - PCI */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_1G, 1), + + /* *I*G* - PCI */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000, + CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 4, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000, + CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 5, BOOKE_PAGESZ_256M, 1), + + /* *I*G* - PCI I/O */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 6, BOOKE_PAGESZ_256K, 1), + + /* *I*G - NAND */ + SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_1M, 1), + + SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 8, BOOKE_PAGESZ_4K, 1), +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); diff --git a/board/freescale/p2020ds/u-boot.lds b/board/freescale/p2020ds/u-boot.lds new file mode 100644 index 0000000..d6e22a7 --- /dev/null +++ b/board/freescale/p2020ds/u-boot.lds @@ -0,0 +1,143 @@ +/* + * Copyright 2007-2009 Freescale Semiconductor, Inc. + * + * 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) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +PHDRS +{ + text PT_LOAD; + bss PT_LOAD; +} + +SECTIONS +{ + /* 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 : + { + *(.text) + *(.fixup) + *(.got1) + } :text + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.eh_frame) + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } :text + .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 = .; + + .bootpg ADDR(.text) + 0x7f000 : + { + cpu/mpc85xx/start.o (.bootpg) + } :text = 0xffff + + .resetvec ADDR(.text) + 0x7fffc : + { + *(.resetvec) + } :text = 0xffff + + . = ADDR(.text) + 0x80000; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } :bss + + . = ALIGN(4); + _end = . ; + PROVIDE (end = .); +} |