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 | 96 |
1 files changed, 96 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 0000000..6478692 --- /dev/null +++ b/arch/arm/include/asm/arch-mxs/sys_proto.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Freescale i.MX23/i.MX28 specific functions + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + */ + +#ifndef __MXS_SYS_PROTO_H__ +#define __MXS_SYS_PROTO_H__ + +#include <asm/mach-imx/sys_proto.h> + +int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int)); + +#ifdef CONFIG_SPL_BUILD + +#if defined(CONFIG_MX23) +#include <asm/arch/iomux-mx23.h> +#elif defined(CONFIG_MX28) +#include <asm/arch/iomux-mx28.h> +#endif + +void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr, + const iomux_cfg_t *iomux_setup, + const unsigned int iomux_size); + +void mxs_power_switch_dcdc_clocksource(uint32_t freqsel); +#endif + +struct mxs_pair { + uint8_t boot_pads; + uint8_t boot_mask; + const char *mode; +}; + +static const struct mxs_pair mxs_boot_modes[] = { +#if defined(CONFIG_MX23) + { 0x00, 0x0f, "USB" }, + { 0x01, 0x1f, "I2C, master" }, + { 0x02, 0x1f, "SSP SPI #1, master, NOR" }, + { 0x03, 0x1f, "SSP SPI #2, master, NOR" }, + { 0x04, 0x1f, "NAND" }, + { 0x06, 0x1f, "JTAG" }, + { 0x08, 0x1f, "SSP SPI #3, master, EEPROM" }, + { 0x09, 0x1f, "SSP SD/MMC #0" }, + { 0x0a, 0x1f, "SSP SD/MMC #1" }, + { 0x00, 0x00, "Reserved/Unknown/Wrong" }, +#elif defined(CONFIG_MX28) + { 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" }, + { 0x06, 0x1f, "JTAG" }, + { 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" }, +#endif +}; + +#define MXS_BM_USB 0x00 +#define MXS_BM_I2C_MASTER_3V3 0x01 +#define MXS_BM_I2C_MASTER_1V8 0x11 +#define MXS_BM_SPI2_MASTER_3V3_NOR 0x02 +#define MXS_BM_SPI2_MASTER_1V8_NOR 0x12 +#define MXS_BM_SPI3_MASTER_3V3_NOR 0x03 +#define MXS_BM_SPI3_MASTER_1V8_NOR 0x13 +#define MXS_BM_NAND_3V3 0x04 +#define MXS_BM_NAND_1V8 0x14 +#define MXS_BM_JTAG 0x06 +#define MXS_BM_SPI3_MASTER_3V3_EEPROM 0x08 +#define MXS_BM_SPI3_MASTER_1V8_EEPROM 0x18 +#define MXS_BM_SDMMC0_3V3 0x09 +#define MXS_BM_SDMMC0_1V8 0x19 +#define MXS_BM_SDMMC1_3V3 0x0a +#define MXS_BM_SDMMC1_1V8 0x1a + +#define MXS_SPL_DATA ((struct mxs_spl_data *)(CONFIG_SYS_TEXT_BASE - 0x200)) + +struct mxs_spl_data { + uint8_t boot_mode_idx; + uint32_t mem_dram_size; +}; + +int mxs_dram_init(void); + +#endif /* __SYS_PROTO_H__ */ |