diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/freescale/mpc8641hpcn | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mpc8641hpcn')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc8641hpcn/Makefile | 10 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc8641hpcn/README | 186 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc8641hpcn/ddr.c | 110 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc8641hpcn/law.c | 44 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc8641hpcn/mpc8641hpcn.c | 239 |
5 files changed, 589 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mpc8641hpcn/Makefile b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/Makefile new file mode 100644 index 000000000..86c70bcb9 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/Makefile @@ -0,0 +1,10 @@ +# +# (C) Copyright 2001 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += mpc8641hpcn.o +obj-y += law.o +obj-$(CONFIG_SYS_FSL_DDR2) += ddr.o diff --git a/qemu/roms/u-boot/board/freescale/mpc8641hpcn/README b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/README new file mode 100644 index 000000000..d8fe0a4a1 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/README @@ -0,0 +1,186 @@ +Freescale MPC8641HPCN board +=========================== + +Created 05/24/2006 Haiying Wang +------------------------------- + +1. Building U-Boot +------------------ +The 86xx HPCN code base is known to compile using: + Binutils 2.15, Gcc 3.4.3, Glibc 2.3.3 + + $ make MPC8641HPCN_config + Configuring for MPC8641HPCN board... + + $ make + + +2. Switch and Jumper Setting +---------------------------- +Jumpers: + J14 Pins 1-2 (near plcc32 socket) + +Switches: + SW1(1-5) = 01100 CONFIG_SYS_COREPLL = 01000 :: CORE = 2:1 + 01100 :: CORE = 2.5:1 + 10000 :: CORE = 3:1 + 11100 :: CORE = 3.5:1 + 10100 :: CORE = 4:1 + 01110 :: CORE = 4.5:1 + SW1(6-8) = 001 CONFIG_SYS_SYSCLK = 000 :: SYSCLK = 33MHz + 001 :: SYSCLK = 40MHz + + SW2(1-4) = 1100 CONFIG_SYS_CCBPLL = 0010 :: 2X + 0100 :: 4X + 0110 :: 6X + 1000 :: 8X + 1010 :: 10X + 1100 :: 12X + 1110 :: 14X + 0000 :: 16X + SW2(5-8) = 1110 CONFIG_SYS_BOOTLOC = 1110 :: boot 16-bit localbus + + SW3(1-7) = 0011000 CONFIG_SYS_VID = 0011000 :: VCORE = 1.2V + 0100000 :: VCORE = 1.11V + SW3(8) = 0 VCC_PLAT = 0 :: VCC_PLAT = 1.2V + 1 :: VCC_PLAT = 1.0V + + SW4(1-2) = 11 CONFIG_SYS_HOSTMODE = 11 :: both prots host/root + SW4(3-4) = 11 CONFIG_SYS_BOOTSEQ = 11 :: no boot seq + SW4(5-8) = 0011 CONFIG_SYS_IOPORT = 0011 :: both PEX + + SW5(1) = 1 CONFIG_SYS_FLASHMAP = 1 :: boot from flash + 0 :: boot from PromJet + SW5(2) = 1 CONFIG_SYS_FLASHBANK = 1 :: swap upper/lower + halves (virtual banks) + 0 :: normal + SW5(3) = 0 CONFIG_SYS_FLASHWP = 0 :: not protected + SW5(4) = 0 CONFIG_SYS_PORTDIV = 1 :: 2:1 for PD4 + 1:1 for PD6 + SW5(5-6) = 11 CONFIG_SYS_PIXISOPT = 11 :: s/w determined + SW5(7-8) = 11 CONFIG_SYS_LADOPT = 11 :: s/w determined + + SW6(1) = 1 CONFIG_SYS_CPUBOOT = 1 :: no boot holdoff + SW6(2) = 1 CONFIG_SYS_BOOTADDR = 1 :: no traslation + SW6(3-5) = 000 CONFIG_SYS_REFCLKSEL = 000 :: 100MHZ + SW6(6) = 1 CONFIG_SYS_SERROM_ADDR= 1 :: + SW6(7) = 1 CONFIG_SYS_MEMDEBUG = 1 :: + SW6(8) = 1 CONFIG_SYS_DDRDEBUG = 1 :: + + SW8(1) = 1 ACZ_SYNC = 1 :: 48MHz on TP49 + SW8(2) = 1 ACB_SYNC = 1 :: THRMTRIP disabled + SW8(3) = 1 ACZ_SDOUT = 1 :: p4 mode + SW8(4) = 1 ACB_SDOUT = 1 :: PATA freq. = 133MHz + SW8(5) = 0 SUSLED = 0 :: SouthBridge Mode + SW8(6) = 0 SPREAD = 0 :: REFCLK SSCG Disabled + SW8(7) = 1 ACPWR = 1 :: non-battery + SW8(8) = 0 CONFIG_SYS_IDWP = 0 :: write enable + + +3. Flash U-Boot +--------------- +The flash range 0xEF800000 to 0xEFFFFFFF can be divided into 2 halves. +It is possible to use either half to boot using u-boot. Switch 5 bit 2 +is used for this purpose. + +0xEF800000 to 0xEFBFFFFF - 4MB +0xEFC00000 to 0xEFFFFFFF - 4MB +When this bit is 0, U-Boot is at 0xEFF00000. +When this bit is 1, U-Boot is at 0xEFB00000. + +Use the above mentioned flash commands to program the other half, and +use switch 5, bit 2 to alternate between the halves. Note: The booting +version of U-Boot will always be at 0xEFF00000. + +To Flash U-Boot into the booting bank (0xEFC00000 - 0xEFFFFFFF): + + tftp 1000000 u-boot.bin + protect off all + erase eff00000 +$filesize + cp.b 1000000 eff00000 $filesize + +or use tftpflash command: + run tftpflash + +To Flash U-boot into the alternative bank (0xEF800000 - 0xEFBFFFFF): + + tftp 1000000 u-boot.bin + erase efb00000 +$filesize + cp.b 1000000 efb00000 $filesize + + +4. Memory Map +------------- +NOTE: RIO and PCI are mutually exclusive, so they share an address + +For 32-bit u-boot, devices are mapped so that the virtual address == +the physical address, and the map looks liks this: + + Memory Range Device Size + ------------ ------ ---- + 0x0000_0000 0x7fff_ffff DDR 2G + 0x8000_0000 0x9fff_ffff RIO MEM 512M + 0x8000_0000 0x9fff_ffff PCI1/PEX1 MEM 512M + 0xa000_0000 0xbfff_ffff PCI2/PEX2 MEM 512M + 0xffe0_0000 0xffef_ffff CCSR 1M + 0xffdf_0000 0xffdf_7fff PIXIS 8K + 0xffdf_8000 0xffdf_ffff CF 8K + 0xf840_0000 0xf840_3fff Stack space 32K + 0xffc0_0000 0xffc0_ffff PCI1/PEX1 IO 64K + 0xffc1_0000 0xffc1_ffff PCI2/PEX2 IO 64K + 0xef80_0000 0xefff_ffff Flash 8M + +For 36-bit-enabled u-boot, the virtual map is the same as for 32-bit. +However, the physical map is altered to reside in 36-bit space, as follows. +Addresses are no longer mapped with VA == PA. All accesses from +software use the VA; the PA is only used for setting up windows +and mappings. Note that with the exception of PCI MEM and RIO, the low + 32 bits are the same as the VA above; only the top 4 bits vary: + + Memory Range Device Size + ------------ ------ ---- + 0x0_0000_0000 0x0_7fff_ffff DDR 2G + 0xc_0000_0000 0xc_1fff_ffff RIO MEM 512M + 0xc_0000_0000 0xc_1fff_ffff PCI1/PEX1 MEM 512M + 0xc_2000_0000 0xc_3fff_ffff PCI2/PEX2 MEM 512M + 0xf_ffe0_0000 0xf_ffef_ffff CCSR 1M + 0xf_ffdf_0000 0xf_ffdf_7fff PIXIS 8K + 0xf_ffdf_8000 0xf_ffdf_ffff CF 8K + 0x0_f840_0000 0xf_f840_3fff Stack space 32K + 0xf_ffc0_0000 0xf_ffc0_ffff PCI1/PEX1 IO 64K + 0xf_ffc1_0000 0xf_ffc1_ffff PCI2/PEX2 IO 64K + 0xf_ef80_0000 0xf_efff_ffff Flash 8M + +5. pixis_reset command +-------------------- +A new command, "pixis_reset", is introduced to reset mpc8641hpcn board +using the FPGA sequencer. When the board restarts, it has the option +of using either the current or alternate flash bank as the boot +image, with or without the watchdog timer enabled, and finally with +or without frequency changes. + +Usage is; + + pixis_reset + pixis_reset altbank + pixis_reset altbank wd + pixis_reset altbank cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio> + pixis_reset cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio> + +Examples; + + /* reset to current bank, like "reset" command */ + pixis_reset + + /* reset board but use the to alternate flash bank */ + pixis_reset altbank + + /* reset board, use alternate flash bank with watchdog timer enabled*/ + pixis_reset altbank wd + + /* reset board to alternate bank with frequency changed. + * 40 is SYSCLK, 2.5 is COREPLL ratio, 10 is MPXPLL ratio + */ + pixis-reset altbank cf 40 2.5 10 + +Valid clock choices are in the 8641 Reference Manuals. diff --git a/qemu/roms/u-boot/board/freescale/mpc8641hpcn/ddr.c b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/ddr.c new file mode 100644 index 000000000..7cd039565 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/ddr.c @@ -0,0 +1,110 @@ +/* + * Copyright 2008,2011 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 <fsl_ddr_sdram.h> +#include <fsl_ddr_dimm_params.h> + +struct board_specific_parameters { + u32 n_ranks; + u32 datarate_mhz_high; + u32 clk_adjust; + u32 cpo; + u32 write_data_delay; +}; + +/* + * This table contains all valid speeds we want to override with board + * specific parameters. datarate_mhz_high values need to be in ascending order + * for each n_ranks group. + */ +const struct board_specific_parameters dimm0[] = { + /* + * memory controller 0 + * num| hi| clk| cpo|wrdata|2T + * ranks| mhz|adjst| | delay| + */ + {4, 333, 7, 7, 3}, + {4, 549, 7, 9, 3}, + {4, 650, 7, 10, 4}, + {2, 333, 7, 7, 3}, + {2, 549, 7, 9, 3}, + {2, 650, 7, 10, 4}, + {1, 333, 7, 7, 3}, + {1, 549, 7, 9, 3}, + {1, 650, 7, 10, 4}, + {} +}; + +/* + * The two slots have slightly different timing. The center values are good + * for both slots. We use identical speed tables for them. In future use, if + * DIMMs have fewer center values that require two separated tables, copy the + * udimm0 table to udimm1 and make changes to clk_adjust and wrlvl_start. + */ +const struct board_specific_parameters *dimms[] = { + dimm0, + dimm0, +}; + +void fsl_ddr_board_options(memctl_options_t *popts, + dimm_params_t *pdimm, + unsigned int ctrl_num) +{ + const struct board_specific_parameters *pbsp, *pbsp_highest = NULL; + unsigned int i; + ulong ddr_freq; + + if (ctrl_num > 1) { + printf("Wrong parameter for controller number %d", ctrl_num); + return; + } + for (i = 0; i < CONFIG_DIMM_SLOTS_PER_CTLR; i++) { + if (pdimm[i].n_ranks) + break; + } + if (i >= CONFIG_DIMM_SLOTS_PER_CTLR) /* no DIMM */ + return; + + pbsp = dimms[ctrl_num]; + + /* Get clk_adjust, cpo, write_data_delay, according to the board ddr + * freqency and n_banks specified in board_specific_parameters table. + */ + ddr_freq = get_ddr_freq(0) / 1000000; + while (pbsp->datarate_mhz_high) { + if (pbsp->n_ranks == pdimm[i].n_ranks) { + if (ddr_freq <= pbsp->datarate_mhz_high) { + popts->clk_adjust = pbsp->clk_adjust; + popts->cpo_override = pbsp->cpo; + popts->write_data_delay = + pbsp->write_data_delay; + goto found; + } + pbsp_highest = pbsp; + } + pbsp++; + } + + if (pbsp_highest) { + printf("Error: board specific timing not found " + "for data rate %lu MT/s!\n" + "Trying to use the highest speed (%u) parameters\n", + ddr_freq, pbsp_highest->datarate_mhz_high); + popts->clk_adjust = pbsp_highest->clk_adjust; + popts->cpo_override = pbsp_highest->cpo; + popts->write_data_delay = pbsp_highest->write_data_delay; + } else { + panic("DIMM is not supported by this board"); + } + +found: + /* 2T timing enable */ + popts->twot_en = 1; +} diff --git a/qemu/roms/u-boot/board/freescale/mpc8641hpcn/law.c b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/law.c new file mode 100644 index 000000000..6d25c76cc --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/law.c @@ -0,0 +1,44 @@ +/* + * Copyright 2008,2010-2011 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/fsl_law.h> +#include <asm/mmu.h> + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x7fff_ffff DDR 2G + * if PCI (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT) + * 0x8000_0000 0x9fff_ffff PCIE1 MEM 512M + * 0xa000_0000 0xbfff_ffff PCIE2 MEM 512M + * else if RIO (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT) + * 0x8000_0000 0x9fff_ffff RapidIO 512M + * endif + * (prepend 0xf_0000_0000 if CONFIG_PHYS_64BIT) + * 0xffc0_0000 0xffc0_ffff PCIE1 IO 64K + * 0xffc1_0000 0xffc1_ffff PCIE2 IO 64K + * 0xffe0_0000 0xffef_ffff CCSRBAR 1M + * 0xffdf_0000 0xffe0_0000 PIXIS, CF 64K + * 0xef80_0000 0xefff_ffff FLASH (boot bank) 8M + * + * Notes: + * CCSRBAR doesn't need a configured Local Access Window. + * If flash is 8M at default position (last 8M), no LAW needed. + */ + +struct law_entry law_table[] = { +#if !defined(CONFIG_SPD_EEPROM) + SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1), +#endif + SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_LBC), + SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_LBC), +}; + +int num_law_entries = ARRAY_SIZE(law_table); diff --git a/qemu/roms/u-boot/board/freescale/mpc8641hpcn/mpc8641hpcn.c b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/mpc8641hpcn.c new file mode 100644 index 000000000..a58b5f9cd --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8641hpcn/mpc8641hpcn.c @@ -0,0 +1,239 @@ +/* + * Copyright 2006, 2007, 2010-2011 Freescale Semiconductor. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <pci.h> +#include <asm/processor.h> +#include <asm/immap_86xx.h> +#include <asm/fsl_pci.h> +#include <fsl_ddr_sdram.h> +#include <asm/fsl_serdes.h> +#include <asm/io.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <netdev.h> + +phys_size_t fixed_sdram(void); + +int checkboard(void) +{ + u8 vboot; + u8 *pixis_base = (u8 *)PIXIS_BASE; + + printf ("Board: MPC8641HPCN, Sys ID: 0x%02x, " + "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", + in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER), + in_8(pixis_base + PIXIS_PVER)); + + vboot = in_8(pixis_base + PIXIS_VBOOT); + if (vboot & PIXIS_VBOOT_FMAP) + printf ("vBank: %d\n", ((vboot & PIXIS_VBOOT_FBANK) >> 6)); + else + puts ("Promjet\n"); + + return 0; +} + +phys_size_t +initdram(int board_type) +{ + phys_size_t dram_size = 0; + +#if defined(CONFIG_SPD_EEPROM) + dram_size = fsl_ddr_sdram(); +#else + dram_size = fixed_sdram(); +#endif + + setup_ddr_bat(dram_size); + + debug(" DDR: "); + return dram_size; +} + + +#if !defined(CONFIG_SPD_EEPROM) +/* + * Fixed sdram init -- doesn't use serial presence detect. + */ +phys_size_t +fixed_sdram(void) +{ +#if !defined(CONFIG_SYS_RAMBOOT) + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + struct ccsr_ddr __iomem *ddr = &immap->im_ddr1; + + ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS; + 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->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; + ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; + ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1; + ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2; + 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_ocd_cntl = CONFIG_SYS_DDR_OCD_CTRL; + ddr->sdram_ocd_status = CONFIG_SYS_DDR_OCD_STATUS; + +#if defined (CONFIG_DDR_ECC) + ddr->err_disable = 0x0000008D; + ddr->err_sbe = 0x00ff0000; +#endif + asm("sync;isync"); + + udelay(500); + +#if defined (CONFIG_DDR_ECC) + /* Enable ECC checking */ + ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000); +#else + ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; + ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2; +#endif + asm("sync; isync"); + + udelay(500); +#endif + return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; +} +#endif /* !defined(CONFIG_SPD_EEPROM) */ + +void pci_init_board(void) +{ + fsl_pcie_init_board(0); + +#ifdef CONFIG_PCIE1 + /* + * Activate ULI1575 legacy chip by performing a fake + * memory access. Needed to make ULI RTC work. + */ + in_be32((unsigned *) ((char *)(CONFIG_SYS_PCIE1_MEM_VIRT + + CONFIG_SYS_PCIE1_MEM_SIZE - 0x1000000))); +#endif /* CONFIG_PCIE1 */ +} + + +#if defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + int off; + u64 *tmp; + u32 *addrcells; + + ft_cpu_setup(blob, bd); + + FT_FSL_PCI_SETUP; + + /* + * Warn if it looks like the device tree doesn't match u-boot. + * This is just an estimation, based on the location of CCSR, + * which is defined by the "reg" property in the soc node. + */ + off = fdt_path_offset(blob, "/soc8641"); + addrcells = (u32 *)fdt_getprop(blob, 0, "#address-cells", NULL); + tmp = (u64 *)fdt_getprop(blob, off, "reg", NULL); + + if (tmp) { + u64 addr; + if (addrcells && (*addrcells == 1)) + addr = *(u32 *)tmp; + else + addr = *tmp; + + if (addr != CONFIG_SYS_CCSRBAR_PHYS) + printf("WARNING: The CCSRBAR address in your .dts " + "does not match the address of the CCSR " + "in u-boot. This means your .dts might " + "be old.\n"); + } +} +#endif + + +/* + * get_board_sys_clk + * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ + */ + +unsigned long +get_board_sys_clk(ulong dummy) +{ + u8 i, go_bit, rd_clks; + ulong val = 0; + u8 *pixis_base = (u8 *)PIXIS_BASE; + + go_bit = in_8(pixis_base + PIXIS_VCTL); + go_bit &= 0x01; + + rd_clks = in_8(pixis_base + PIXIS_VCFGEN0); + rd_clks &= 0x1C; + + /* + * Only if both go bit and the SCLK bit in VCFGEN0 are set + * should we be using the AUX register. Remember, we also set the + * GO bit to boot from the alternate bank on the on-board flash + */ + + if (go_bit) { + if (rd_clks == 0x1c) + i = in_8(pixis_base + PIXIS_AUX); + else + i = in_8(pixis_base + PIXIS_SPD); + } else { + i = in_8(pixis_base + PIXIS_SPD); + } + + i &= 0x07; + + switch (i) { + case 0: + val = 33000000; + break; + case 1: + val = 40000000; + break; + case 2: + val = 50000000; + break; + case 3: + val = 66000000; + break; + case 4: + val = 83000000; + break; + case 5: + val = 100000000; + break; + case 6: + val = 134000000; + break; + case 7: + val = 166000000; + break; + } + + return val; +} + +int board_eth_init(bd_t *bis) +{ + /* Initialize TSECs */ + cpu_eth_init(bis); + return pci_eth_init(bis); +} + +void board_reset(void) +{ + u8 *pixis_base = (u8 *)PIXIS_BASE; + + out_8(pixis_base + PIXIS_RST, 0); + + while (1) + ; +} |