diff options
Diffstat (limited to 'u-boot/board/matrix_vision/mvblm7/mvblm7.c')
| -rw-r--r-- | u-boot/board/matrix_vision/mvblm7/mvblm7.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/u-boot/board/matrix_vision/mvblm7/mvblm7.c b/u-boot/board/matrix_vision/mvblm7/mvblm7.c new file mode 100644 index 0000000..6a4ed52 --- /dev/null +++ b/u-boot/board/matrix_vision/mvblm7/mvblm7.c @@ -0,0 +1,152 @@ +/* + * Copyright (C) Freescale Semiconductor, Inc. 2006. + * + * (C) Copyright 2008 + * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.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 <ioports.h> +#include <mpc83xx.h> +#include <asm/mpc8349_pci.h> +#include <pci.h> +#include <spi.h> +#include <asm/mmu.h> +#if defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#endif + +#include "../common/mv_common.h" +#include "mvblm7.h" + +int fixed_sdram(void) +{ + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 msize = 0; + u32 ddr_size; + u32 ddr_size_log2; + char *s = getenv("ddr_size"); + + msize = CONFIG_SYS_DDR_SIZE; + if (s) { + u32 env_ddr_size = simple_strtoul(s, NULL, 10); + if (env_ddr_size == 512) + msize = 512; + } + + for (ddr_size = msize << 20, ddr_size_log2 = 0; + (ddr_size > 1); + ddr_size = ddr_size >> 1, ddr_size_log2++) { + if (ddr_size & 1) + return -1; + } + im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000; + im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & + LAWAR_SIZE); + + im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS; + im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG; + im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; + im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; + im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; + im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; + 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; + im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL; + + asm("sync;isync"); + udelay(600); + + im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; + + asm("sync;isync"); + udelay(500); + + return msize; +} + +phys_size_t initdram(int board_type) +{ + volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; + u32 msize = 0; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) + return -1; + + im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR; + msize = fixed_sdram(); + + /* return total bus RAM size(bytes) */ + return msize * 1024 * 1024; +} + +int misc_init_r(void) +{ + char *s = getenv("reset_env"); + + if (s) { + mv_reset_environment(); + } + + return 0; +} + +int checkboard(void) +{ + puts("Board: Matrix Vision mvBlueLYNX-M7\n"); + + return 0; +} + +#ifdef CONFIG_HARD_SPI +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + volatile gpio83xx_t *iopd = &((immap_t *)CONFIG_SYS_IMMR)->gpio[0]; + + iopd->dat &= ~MVBLM7_MMC_CS; +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + volatile gpio83xx_t *iopd = &((immap_t *)CONFIG_SYS_IMMR)->gpio[0]; + + iopd->dat |= ~MVBLM7_MMC_CS; +} +#endif + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif +} + +#endif |