From: Marek Vasut Date: Mon, 26 Jul 2010 04:30:25 +0000 (+0200) Subject: PXA: Balloon3 board support X-Git-Tag: v2010.12-rc1~72^2~15 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=10da95a13af7266cf1e6332e7abc37c0d5682b43;p=u-boot PXA: Balloon3 board support The following hardware is currently supported: - UART - USB Host - FPGA Signed-off-by: Marek Vasut --- diff --git a/MAINTAINERS b/MAINTAINERS index 303e955c6d..3dea70ab5e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -811,6 +811,7 @@ Greg Ungerer Marek Vasut + balloon3 xscale palmld xscale palmtc xscale vpac270 xscale diff --git a/board/balloon3/Makefile b/board/balloon3/Makefile new file mode 100644 index 0000000000..3928e1f066 --- /dev/null +++ b/board/balloon3/Makefile @@ -0,0 +1,49 @@ +# +# Balloon3 Support +# +# Copyright (C) 2010 Marek Vasut +# +# 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 := balloon3.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(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/balloon3/balloon3.c b/board/balloon3/balloon3.c new file mode 100644 index 0000000000..2d6eabee73 --- /dev/null +++ b/board/balloon3/balloon3.c @@ -0,0 +1,228 @@ +/* + * Balloon3 Support + * + * Copyright (C) 2010 Marek Vasut + * + * 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 +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +void balloon3_init_fpga(void); + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init(void) +{ + /* arch number of vpac270 */ + gd->bd->bi_arch_number = MACH_TYPE_BALLOON3; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0xa0000100; + + /* Init the FPGA */ + balloon3_init_fpga(); + + return 0; +} + +struct serial_device *default_serial_console(void) +{ + return &serial_stuart_device; +} + +int dram_init(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[2].start = PHYS_SDRAM_3; + + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; + gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; + + return 0; +} + +#ifdef CONFIG_CMD_USB +int usb_board_init(void) +{ + writel((readl(UHCHR) | UHCHR_PCPL | UHCHR_PSPL) & + ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE), + UHCHR); + + writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR); + + while (readl(UHCHR) & UHCHR_FSBIR) + ; + + writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR); + writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE); + + /* Clear any OTG Pin Hold */ + if (readl(PSSR) & PSSR_OTGPH) + writel(readl(PSSR) | PSSR_OTGPH, PSSR); + + writel(readl(UHCRHDA) & ~(0x200), UHCRHDA); + writel(readl(UHCRHDA) | 0x100, UHCRHDA); + + /* Set port power control mask bits, only 3 ports. */ + writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB); + + /* enable port 2 */ + writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS | + UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR); + + return 0; +} + +void usb_board_init_fail(void) +{ + return; +} + +void usb_board_stop(void) +{ + writel(readl(UHCHR) | UHCHR_FHR, UHCHR); + udelay(11); + writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR); + + writel(readl(UHCCOMS) | 1, UHCCOMS); + udelay(10); + + writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN); + + return; +} +#endif + +#if defined(CONFIG_FPGA) +/* Toggle GPIO103 and GPIO104 -- PROGB and RDnWR */ +int fpga_pgm_fn(int nassert, int nflush, int cookie) +{ + if (nassert) + writel(0x80, GPCR3); + else + writel(0x80, GPSR3); + if (nflush) + writel(0x100, GPCR3); + else + writel(0x100, GPSR3); + return nassert; +} + +/* Check GPIO83 -- INITB */ +int fpga_init_fn(int cookie) +{ + return !(readl(GPLR2) & 0x80000); +} + +/* Check GPIO84 -- BUSY */ +int fpga_busy_fn(int cookie) +{ + return !(readl(GPLR2) & 0x100000); +} + +/* Check GPIO111 -- DONE */ +int fpga_done_fn(int cookie) +{ + return readl(GPLR3) & 0x8000; +} + +/* Configure GPIO104 as GPIO and deassert it */ +int fpga_pre_config_fn(int cookie) +{ + writel(readl(GAFR3_L) & ~0x30000, GAFR3_L); + writel(0x100, GPCR3); + return 0; +} + +/* Configure GPIO104 as nSKTSEL */ +int fpga_post_config_fn(int cookie) +{ + writel(readl(GAFR3_L) | 0x10000, GAFR3_L); + return 0; +} + +/* Toggle RDnWR */ +int fpga_wr_fn(int nassert_write, int flush, int cookie) +{ + udelay(1000); + + if (nassert_write) + writel(0x100, GPCR3); + else + writel(0x100, GPSR3); + + return nassert_write; +} + +/* Write program to the FPGA */ +int fpga_wdata_fn(uchar data, int flush, int cookie) +{ + writeb(data, 0x10f00000); + return 0; +} + +/* Toggle Clock pin -- NO-OP */ +int fpga_clk_fn(int assert_clk, int flush, int cookie) +{ + return assert_clk; +} + +/* Toggle ChipSelect pin -- NO-OP */ +int fpga_cs_fn(int assert_clk, int flush, int cookie) +{ + return assert_clk; +} + +Xilinx_Spartan3_Slave_Parallel_fns balloon3_fpga_fns = { + fpga_pre_config_fn, + fpga_pgm_fn, + fpga_init_fn, + NULL, /* err */ + fpga_done_fn, + fpga_clk_fn, + fpga_cs_fn, + fpga_wr_fn, + NULL, /* rdata */ + fpga_wdata_fn, + fpga_busy_fn, + NULL, /* abort */ + fpga_post_config_fn, +}; + +Xilinx_desc fpga = XILINX_XC3S1000_DESC(slave_parallel, + (void *)&balloon3_fpga_fns, 0); + +/* Initialize the FPGA */ +void balloon3_init_fpga(void) +{ + fpga_init(); + fpga_add(fpga_xilinx, &fpga); +} +#else +void balloon3_init_fpga(void) {} +#endif /* CONFIG_FPGA */ diff --git a/board/balloon3/config.mk b/board/balloon3/config.mk new file mode 100644 index 0000000000..1d650acd99 --- /dev/null +++ b/board/balloon3/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0xa1000000 diff --git a/board/balloon3/lowlevel_init.S b/board/balloon3/lowlevel_init.S new file mode 100644 index 0000000000..d7b5be6625 --- /dev/null +++ b/board/balloon3/lowlevel_init.S @@ -0,0 +1,36 @@ +/* + * Balloon3 Lowlevel Hardware Initialization + * + * Copyright (C) 2010 Marek Vasut + * + * 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 +#include +#include +#include + +.globl lowlevel_init +lowlevel_init: + pxa_gpio_setup + pxa_wait_ticks 0x8000 + pxa_mem_setup + pxa_wakeup + pxa_intr_setup + pxa_clock_setup + + mov pc, lr diff --git a/board/balloon3/u-boot.lds b/board/balloon3/u-boot.lds new file mode 100644 index 0000000000..58c371df06 --- /dev/null +++ b/board/balloon3/u-boot.lds @@ -0,0 +1,55 @@ +/* + * (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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/pxa/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} diff --git a/boards.cfg b/boards.cfg index 75643c92fb..4dba72e9f9 100644 --- a/boards.cfg +++ b/boards.cfg @@ -53,6 +53,7 @@ actux2 arm ixp actux3 arm ixp actux4 arm ixp ixdp425 arm ixp +balloon3 arm pxa cerf250 arm pxa cradle arm pxa csb226 arm pxa diff --git a/include/configs/balloon3.h b/include/configs/balloon3.h new file mode 100644 index 0000000000..9066a24304 --- /dev/null +++ b/include/configs/balloon3.h @@ -0,0 +1,269 @@ +/* + * Balloon3 configuration file + * + * Copyright (C) 2010 Marek Vasut + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Board Configuration Options + */ +#define CONFIG_PXA27X 1 /* Marvell PXA270 CPU */ +#define CONFIG_BALLOON3 1 /* Balloon3 board */ + +/* + * Environment settings + */ +#define CONFIG_ENV_OVERWRITE +#define CONFIG_SYS_MALLOC_LEN (128*1024) +#define CONFIG_SYS_GBL_DATA_SIZE 128 + +#define CONFIG_BOOTCOMMAND \ + "if usb reset && fatload usb 0 0xa4000000 uImage; then " \ + "bootm 0xa4000000; " \ + "fi; " \ + "bootm 0x40000;" +#define CONFIG_BOOTARGS "console=tty0 console=ttyS2,115200" +#define CONFIG_TIMESTAMP +#define CONFIG_BOOTDELAY 2 /* Autoboot delay */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS + +#define CONFIG_LZMA /* LZMA compression support */ + +/* + * Serial Console Configuration + */ +#define CONFIG_PXA_SERIAL +#define CONFIG_STUART 1 +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * Bootloader Components Configuration + */ +#include + +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_ENV +#undef CONFIG_CMD_IMLS +#define CONFIG_CMD_USB +#define CONFIG_CMD_FPGA +#undef CONFIG_LCD + +/* + * KGDB + */ +#ifdef CONFIG_CMD_KGDB +#define CONFIG_KGDB_BAUDRATE 230400 /* kgdb serial port speed */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + +/* + * HUSH Shell Configuration + */ +#define CONFIG_SYS_HUSH_PARSER 1 +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " + +#define CONFIG_SYS_LONGHELP +#ifdef CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT "$ " +#else +#define CONFIG_SYS_PROMPT "=> " +#endif +#define CONFIG_SYS_CBSIZE 256 +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_SYS_DEVICE_NULLDEV 1 + +/* + * Clock Configuration + */ +#undef CONFIG_SYS_CLKS_IN_HZ +#define CONFIG_SYS_HZ 3250000 /* Timer @ 3250000 Hz */ +#define CONFIG_SYS_CPUSPEED 0x290 /* 520MHz */ + +/* + * Stack sizes + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/* + * DRAM Map + */ +#define CONFIG_NR_DRAM_BANKS 3 /* 2 banks of DRAM */ +#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */ +#define PHYS_SDRAM_2 0xb0000000 /* SDRAM Bank #2 */ +#define PHYS_SDRAM_2_SIZE 0x08000000 /* 128 MB */ +#define PHYS_SDRAM_3 0x80000000 /* SDRAM Bank #2 */ +#define PHYS_SDRAM_3_SIZE 0x08000000 /* 128 MB */ + +#define CONFIG_SYS_DRAM_BASE 0xa0000000 /* CS0 */ +#define CONFIG_SYS_DRAM_SIZE 0x18000000 /* 384 MB DRAM */ + +#define CONFIG_SYS_MEMTEST_START 0xa0400000 /* memtest works on */ +#define CONFIG_SYS_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */ + +#define CONFIG_SYS_LOAD_ADDR 0xa1000000 + +/* + * NOR FLASH + */ +#ifdef CONFIG_CMD_FLASH +#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ +#define PHYS_FLASH_SIZE 0x00800000 /* 8 MB */ +#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 + +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_FLASH_CFI_DRIVER 1 +#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT + +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_MAX_FLASH_SECT 256 + +#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 + +#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) +#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) +#define CONFIG_SYS_FLASH_LOCK_TOUT (2*CONFIG_SYS_HZ) +#define CONFIG_SYS_FLASH_UNLOCK_TOUT (2*CONFIG_SYS_HZ) +#define CONFIG_SYS_FLASH_PROTECTION +#define CONFIG_ENV_IS_IN_FLASH +#else +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_ENV_IS_NOWHERE +#endif + +#define CONFIG_SYS_MONITOR_BASE 0x000000 +#define CONFIG_SYS_MONITOR_LEN 0x40000 + +#define CONFIG_ENV_SIZE 0x2000 +#define CONFIG_ENV_ADDR 0x40000 +#define CONFIG_ENV_SECT_SIZE 0x10000 + +/* + * GPIO settings + */ +#define CONFIG_SYS_GPSR0_VAL 0x307dc7fd +#define CONFIG_SYS_GPSR1_VAL 0x03cffa4e +#define CONFIG_SYS_GPSR2_VAL 0x7131c000 +#define CONFIG_SYS_GPSR3_VAL 0x01e1f3ff + +#define CONFIG_SYS_GPCR0_VAL 0x0 +#define CONFIG_SYS_GPCR1_VAL 0x0 +#define CONFIG_SYS_GPCR2_VAL 0x0 +#define CONFIG_SYS_GPCR3_VAL 0x0 + +#define CONFIG_SYS_GPDR0_VAL 0xc0f98e02 +#define CONFIG_SYS_GPDR1_VAL 0xfcffa8b7 +#define CONFIG_SYS_GPDR2_VAL 0x22e3ffff +#define CONFIG_SYS_GPDR3_VAL 0x000201fe + +#define CONFIG_SYS_GAFR0_L_VAL 0x96c00000 +#define CONFIG_SYS_GAFR0_U_VAL 0xa5e5459b +#define CONFIG_SYS_GAFR1_L_VAL 0x699b759a +#define CONFIG_SYS_GAFR1_U_VAL 0xaaa5a5aa +#define CONFIG_SYS_GAFR2_L_VAL 0xaaaaaaaa +#define CONFIG_SYS_GAFR2_U_VAL 0x01f9a6aa +#define CONFIG_SYS_GAFR3_L_VAL 0x54510003 +#define CONFIG_SYS_GAFR3_U_VAL 0x00001599 + +#define CONFIG_SYS_PSSR_VAL 0x30 + +/* + * Clock settings + */ +#define CONFIG_SYS_CKEN 0xffffffff +#define CONFIG_SYS_CCCR 0x00000290 + +/* + * Memory settings + */ +#define CONFIG_SYS_MSC0_VAL 0x7ff07ff8 +#define CONFIG_SYS_MSC1_VAL 0x7ff07ff0 +#define CONFIG_SYS_MSC2_VAL 0x74a42491 +#define CONFIG_SYS_MDCNFG_VAL 0x89d309d3 +#define CONFIG_SYS_MDREFR_VAL 0x001d8018 +#define CONFIG_SYS_MDMRS_VAL 0x00220022 +#define CONFIG_SYS_FLYCNFG_VAL 0x00000000 +#define CONFIG_SYS_SXCNFG_VAL 0x00000000 +#define CONFIG_SYS_MEM_BUF_IMP 0x0f + +/* + * PCMCIA and CF Interfaces + */ +#define CONFIG_SYS_MECR_VAL 0x00000000 +#define CONFIG_SYS_MCMEM0_VAL 0x00014307 +#define CONFIG_SYS_MCMEM1_VAL 0x00014307 +#define CONFIG_SYS_MCATT0_VAL 0x0001c787 +#define CONFIG_SYS_MCATT1_VAL 0x0001c787 +#define CONFIG_SYS_MCIO0_VAL 0x0001430f +#define CONFIG_SYS_MCIO1_VAL 0x0001430f + +/* + * LCD + */ +#ifdef CONFIG_LCD +#define CONFIG_BALLOON3LCD +#define CONFIG_VIDEO_LOGO +#define CONFIG_CMD_BMP +#define CONFIG_SPLASH_SCREEN +#define CONFIG_SPLASH_SCREEN_ALIGN +#define CONFIG_VIDEO_BMP_GZIP +#define CONFIG_VIDEO_BMP_RLE8 +#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE (2 << 20) +#endif + +/* + * USB + */ +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_OHCI_NEW +#define CONFIG_SYS_USB_OHCI_CPU_INIT +#define CONFIG_SYS_USB_OHCI_BOARD_INIT +#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 +#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x4C000000 +#define CONFIG_SYS_USB_OHCI_SLOT_NAME "balloon3" +#define CONFIG_USB_STORAGE +#define CONFIG_DOS_PARTITION +#define CONFIG_CMD_FAT +#define CONFIG_CMD_EXT2 +#endif + +/* + * FPGA + */ +#ifdef CONFIG_CMD_FPGA +#define CONFIG_FPGA +#define CONFIG_FPGA_XILINX +#define CONFIG_FPGA_SPARTAN3 +#define CONFIG_SYS_FPGA_PROG_FEEDBACK +#define CONFIG_SYS_FPGA_WAIT 1000 +#define CONFIG_MAX_FPGA_DEVICES 1 +#endif + +#endif /* __CONFIG_H */