diff options
Diffstat (limited to 'arch/arm/include/asm/arch-mxs/sys_proto.h')
| -rw-r--r-- | arch/arm/include/asm/arch-mxs/sys_proto.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mxs/sys_proto.h b/arch/arm/include/asm/arch-mxs/sys_proto.h new file mode 100644 index 0000000000..e701c6409e --- /dev/null +++ b/arch/arm/include/asm/arch-mxs/sys_proto.h @@ -0,0 +1,74 @@ +/* + * Freescale i.MX28 MX28 specific functions + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * 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 __MX28_H__ +#define __MX28_H__ + +int mx28_reset_block(struct mx28_register_32 *reg); +int mx28_wait_mask_set(struct mx28_register_32 *reg, + uint32_t mask, + int timeout); +int mx28_wait_mask_clr(struct mx28_register_32 *reg, + uint32_t mask, + int timeout); + +int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int)); + +#ifdef CONFIG_SPL_BUILD +#include <asm/arch/iomux-mx28.h> +void mx28_common_spl_init(const iomux_cfg_t *iomux_setup, + const unsigned int iomux_size); +#endif + +struct mx28_pair { + uint8_t boot_pads; + uint8_t boot_mask; + const char *mode; +}; + +static const struct mx28_pair mx28_boot_modes[] = { + { 0x00, 0x0f, "USB #0" }, + { 0x01, 0x1f, "I2C #0, master, 3V3" }, + { 0x11, 0x1f, "I2C #0, master, 1V8" }, + { 0x02, 0x1f, "SSP SPI #2, master, 3V3 NOR" }, + { 0x12, 0x1f, "SSP SPI #2, master, 1V8 NOR" }, + { 0x03, 0x1f, "SSP SPI #3, master, 3V3 NOR" }, + { 0x13, 0x1f, "SSP SPI #3, master, 1V8 NOR" }, + { 0x04, 0x1f, "NAND, 3V3" }, + { 0x14, 0x1f, "NAND, 1V8" }, + { 0x08, 0x1f, "SSP SPI #3, master, 3V3 EEPROM" }, + { 0x18, 0x1f, "SSP SPI #3, master, 1V8 EEPROM" }, + { 0x09, 0x1f, "SSP SD/MMC #0, 3V3" }, + { 0x19, 0x1f, "SSP SD/MMC #0, 1V8" }, + { 0x0a, 0x1f, "SSP SD/MMC #1, 3V3" }, + { 0x1a, 0x1f, "SSP SD/MMC #1, 1V8" }, + { 0x00, 0x00, "Reserved/Unknown/Wrong" }, +}; + +struct mx28_spl_data { + uint8_t boot_mode_idx; + uint32_t mem_dram_size; +}; + +int mx28_dram_init(void); + +#endif /* __MX28_H__ */ |
