diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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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/mpc8315erdb | |
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/mpc8315erdb')
4 files changed, 468 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mpc8315erdb/Makefile b/qemu/roms/u-boot/board/freescale/mpc8315erdb/Makefile new file mode 100644 index 000000000..fbb68c579 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8315erdb/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := mpc8315erdb.o sdram.o diff --git a/qemu/roms/u-boot/board/freescale/mpc8315erdb/README b/qemu/roms/u-boot/board/freescale/mpc8315erdb/README new file mode 100644 index 000000000..b32132d05 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8315erdb/README @@ -0,0 +1,105 @@ +Freescale MPC8315ERDB Board +----------------------------------------- + +1. Board Switches and Jumpers + + S3 is used to set CONFIG_SYS_RESET_SOURCE. + + To boot the image at 0xFE000000 in NOR flash, use these DIP + switch settings for S3 S4: + + +------+ +------+ + | | | **** | + | **** | | | + +------+ ON +------+ ON + 4321 4321 + (where the '*' indicates the position of the tab of the switch.) + + To boot the image at the beginning of NAND flash, use these + DIP switch settings for S3 S4: + + +------+ +------+ + | * | | *** | + | *** | | * | + +------+ ON +------+ ON + 4321 4321 + (where the '*' indicates the position of the tab of the switch.) + + When booting from NAND, use u-boot-nand.bin, not u-boot.bin. + +2. Memory Map + The memory map looks like this: + + 0x0000_0000 0x07ff_ffff DDR 128M + 0x8000_0000 0x8fff_ffff PCI MEM 256M + 0x9000_0000 0x9fff_ffff PCI_MMIO 256M + 0xe000_0000 0xe00f_ffff IMMR 1M + 0xe030_0000 0xe03f_ffff PCI IO 1M + 0xe060_0000 0xe060_7fff NAND FLASH (CS1) 32K + 0xfe00_0000 0xfe7f_ffff NOR FLASH (CS0) 8M + + When booting from NAND, NAND flash is CS0 and NOR flash + is CS1. + +3. Definitions + +3.1 Explanation of NEW definitions in: + + include/configs/MPC8315ERDB.h + + CONFIG_MPC83xx MPC83xx family + CONFIG_MPC831x MPC831x specific + CONFIG_MPC8315 MPC8315 specific + CONFIG_MPC8315ERDB MPC8315ERDB board specific + +4. Compilation + + Assuming you're using BASH (or similar) as your shell: + + export CROSS_COMPILE=your-cross-compiler-prefix- + make distclean + make MPC8315ERDB_config (or MPC8315ERDB_NAND_config for u-boot-nand.bin) + make all + +5. Downloading and Flashing Images + +5.1 Reflash U-boot Image using U-boot + + NOR flash: + + tftp 40000 u-boot.bin + protect off all + erase fe000000 fe1fffff + + cp.b 40000 fe000000 xxxx + protect on all + + You have to supply the correct byte count with 'xxxx' + from the TFTP result log. + + NAND flash: + + =>tftpboot $loadaddr <filename> + =>nand erase 0 0x80000 + =>nand write $loadaddr 0 0x80000 + + ...where 0x80000 is the filesize rounded up to + the next 0x20000 increment. + +5.2 Downloading and Booting Linux Kernel + + Ensure that all networking-related environment variables are set + properly (including ipaddr, serverip, gatewayip (if needed), + netmask, ethaddr, eth1addr, rootpath (if using NFS root), + fdtfile, and bootfile). + + Then, do one of the following, depending on whether you + want an NFS root or a ramdisk root: + + =>run nfsboot + or + =>run ramboot + +6 Notes + + The console baudrate for MPC8315ERDB is 115200bps. diff --git a/qemu/roms/u-boot/board/freescale/mpc8315erdb/mpc8315erdb.c b/qemu/roms/u-boot/board/freescale/mpc8315erdb/mpc8315erdb.c new file mode 100644 index 000000000..e6f091fd2 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8315erdb/mpc8315erdb.c @@ -0,0 +1,244 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. + * + * Author: Scott Wood <scottwood@freescale.com> + * Dave Liu <daveliu@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <hwconfig.h> +#include <i2c.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <pci.h> +#include <mpc83xx.h> +#include <netdev.h> +#include <asm/io.h> +#include <ns16550.h> +#include <nand.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + + if (im->pmc.pmccr1 & PMCCR1_POWER_OFF) + gd->flags |= GD_FLG_SILENT; + + return 0; +} + +#ifndef CONFIG_NAND_SPL + +static u8 read_board_info(void) +{ + u8 val8; + i2c_set_bus_num(0); + + if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0) + return val8; + else + return 0; +} + +int checkboard(void) +{ + static const char * const rev_str[] = { + "0.0", + "0.1", + "1.0", + "1.1", + "<unknown>", + }; + u8 info; + int i; + + info = read_board_info(); + i = (!info) ? 4: info & 0x03; + + printf("Board: Freescale MPC8315ERDB Rev %s\n", rev_str[i]); + + return 0; +} + +static struct pci_region pci_regions[] = { + { + bus_start: CONFIG_SYS_PCI_MEM_BASE, + phys_start: CONFIG_SYS_PCI_MEM_PHYS, + size: CONFIG_SYS_PCI_MEM_SIZE, + flags: PCI_REGION_MEM | PCI_REGION_PREFETCH + }, + { + bus_start: CONFIG_SYS_PCI_MMIO_BASE, + phys_start: CONFIG_SYS_PCI_MMIO_PHYS, + size: CONFIG_SYS_PCI_MMIO_SIZE, + flags: PCI_REGION_MEM + }, + { + bus_start: CONFIG_SYS_PCI_IO_BASE, + phys_start: CONFIG_SYS_PCI_IO_PHYS, + size: CONFIG_SYS_PCI_IO_SIZE, + flags: PCI_REGION_IO + } +}; + +static struct pci_region pcie_regions_0[] = { + { + .bus_start = CONFIG_SYS_PCIE1_MEM_BASE, + .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, + .size = CONFIG_SYS_PCIE1_MEM_SIZE, + .flags = PCI_REGION_MEM, + }, + { + .bus_start = CONFIG_SYS_PCIE1_IO_BASE, + .phys_start = CONFIG_SYS_PCIE1_IO_PHYS, + .size = CONFIG_SYS_PCIE1_IO_SIZE, + .flags = PCI_REGION_IO, + }, +}; + +static struct pci_region pcie_regions_1[] = { + { + .bus_start = CONFIG_SYS_PCIE2_MEM_BASE, + .phys_start = CONFIG_SYS_PCIE2_MEM_PHYS, + .size = CONFIG_SYS_PCIE2_MEM_SIZE, + .flags = PCI_REGION_MEM, + }, + { + .bus_start = CONFIG_SYS_PCIE2_IO_BASE, + .phys_start = CONFIG_SYS_PCIE2_IO_PHYS, + .size = CONFIG_SYS_PCIE2_IO_SIZE, + .flags = PCI_REGION_IO, + }, +}; + +void pci_init_board(void) +{ + volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; + volatile sysconf83xx_t *sysconf = &immr->sysconf; + volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; + volatile law83xx_t *pci_law = immr->sysconf.pcilaw; + volatile law83xx_t *pcie_law = sysconf->pcielaw; + struct pci_region *reg[] = { pci_regions }; + struct pci_region *pcie_reg[] = { pcie_regions_0, pcie_regions_1, }; + + /* Enable all 3 PCI_CLK_OUTPUTs. */ + clk->occr |= 0xe0000000; + + /* + * Configure PCI Local Access Windows + */ + pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; + + pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; + + mpc83xx_pci_init(1, reg); + + /* Configure the clock for PCIE controller */ + clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM | SCCR_PCIEXP2CM, + SCCR_PCIEXP1CM_1 | SCCR_PCIEXP2CM_1); + + /* Deassert the resets in the control register */ + out_be32(&sysconf->pecr1, 0xE0008000); + out_be32(&sysconf->pecr2, 0xE0008000); + udelay(2000); + + /* Configure PCI Express Local Access Windows */ + out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); + out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); + + out_be32(&pcie_law[1].bar, CONFIG_SYS_PCIE2_BASE & LAWBAR_BAR); + out_be32(&pcie_law[1].ar, LBLAWAR_EN | LBLAWAR_512MB); + + mpc83xx_pcie_init(2, pcie_reg); +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void fdt_tsec1_fixup(void *fdt, bd_t *bd) +{ + const char disabled[] = "disabled"; + const char *path; + int ret; + + if (hwconfig_arg_cmp("board_type", "tsec1")) { + return; + } else if (!hwconfig_arg_cmp("board_type", "ulpi")) { + printf("NOTICE: No or unknown board_type hwconfig specified.\n" + " Assuming board with TSEC1.\n"); + return; + } + + ret = fdt_path_offset(fdt, "/aliases"); + if (ret < 0) { + printf("WARNING: can't find /aliases node\n"); + return; + } + + path = fdt_getprop(fdt, ret, "ethernet0", NULL); + if (!path) { + printf("WARNING: can't find ethernet0 alias\n"); + return; + } + + do_fixup_by_path(fdt, path, "status", disabled, sizeof(disabled), 1); +} + +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif + fdt_fixup_dr_usb(blob, bd); + fdt_tsec1_fixup(blob, bd); +} +#endif + +int board_eth_init(bd_t *bis) +{ + cpu_eth_init(bis); /* Initialize TSECs first */ + return pci_eth_init(bis); +} + +#else /* CONFIG_NAND_SPL */ + +int checkboard(void) +{ + puts("Board: Freescale MPC8315ERDB\n"); + return 0; +} + +void board_init_f(ulong bootflag) +{ + board_early_init_f(); + NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), + CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); + puts("NAND boot... "); + init_timebase(); + initdram(0); + relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC + 0x10000, (gd_t *)gd, + CONFIG_SYS_NAND_U_BOOT_RELOC); +} + +void board_init_r(gd_t *gd, ulong dest_addr) +{ + nand_boot(); +} + +void putc(char c) +{ + if (gd->flags & GD_FLG_SILENT) + return; + + if (c == '\n') + NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r'); + + NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c); +} + +#endif /* CONFIG_NAND_SPL */ diff --git a/qemu/roms/u-boot/board/freescale/mpc8315erdb/sdram.c b/qemu/roms/u-boot/board/freescale/mpc8315erdb/sdram.c new file mode 100644 index 000000000..6c9431202 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc8315erdb/sdram.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. + * + * Authors: Nick.Spence@freescale.com + * Wilson.Lo@freescale.com + * scottwood@freescale.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mpc83xx.h> +#include <spd_sdram.h> + +#include <asm/bitops.h> +#include <asm/io.h> + +#include <asm/processor.h> + +DECLARE_GLOBAL_DATA_PTR; + +static void resume_from_sleep(void) +{ + u32 magic = *(u32 *)0; + + typedef void (*func_t)(void); + func_t resume = *(func_t *)4; + + if (magic == 0xf5153ae5) + resume(); + + gd->flags &= ~GD_FLG_SILENT; + puts("\nResume from sleep failed: bad magic word\n"); +} + +/* Fixed sdram init -- doesn't use serial presence detect. + * + * This is useful for faster booting in configs where the RAM is unlikely + * to be changed, or for things like NAND booting where space is tight. + */ +#ifndef CONFIG_SYS_RAMBOOT +static long fixed_sdram(void) +{ + volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR; + u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024; + u32 msize_log2 = __ilog2(msize); + + im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000; + im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1); + im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE; + + /* + * Erratum DDR3 requires a 50ms delay after clearing DDRCDR[DDR_cfg], + * or the DDR2 controller may fail to initialize correctly. + */ + __udelay(50000); + + im->ddr.csbnds[0].csbnds = (msize - 1) >> 24; + im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG; + + /* Currently we use only one CS, so disable the other bank. */ + im->ddr.cs_config[1] = 0; + + im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL; + im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; + im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; + im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; + im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; + + if (im->pmc.pmccr1 & PMCCR1_POWER_OFF) + im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG | SDRAM_CFG_BI; + else + im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG; + + im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2; + im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE; + im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2; + + im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL; + sync(); + + /* enable DDR controller */ + im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; + sync(); + + return msize; +} +#else +static long fixed_sdram(void) +{ + return CONFIG_SYS_DDR_SIZE * 1024 * 1024; +} +#endif /* CONFIG_SYS_RAMBOOT */ + +phys_size_t initdram(int board_type) +{ + volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR; + u32 msize; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im) + return -1; + + /* DDR SDRAM */ + msize = fixed_sdram(); + + if (im->pmc.pmccr1 & PMCCR1_POWER_OFF) + resume_from_sleep(); + + /* return total bus SDRAM size(bytes) -- DDR */ + return msize; +} |