From f8c4a86b5e9717c1539b6aa45667ba531581ab28 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 1 May 2012 11:09:45 +0000 Subject: i.MX28: Implement boot pads sampling and reporting This patch implements code that samples i.MX28 boot pads and reports boot mode accordingly. Signed-off-by: Marek Vasut Cc: Detlev Zundel Cc: Fabio Estevam Cc: Stefano Babic Cc: Wolfgang Denk --- arch/arm/include/asm/arch-mx28/sys_proto.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'arch/arm/include/asm/arch-mx28') diff --git a/arch/arm/include/asm/arch-mx28/sys_proto.h b/arch/arm/include/asm/arch-mx28/sys_proto.h index 04f2e4d..e701c64 100644 --- a/arch/arm/include/asm/arch-mx28/sys_proto.h +++ b/arch/arm/include/asm/arch-mx28/sys_proto.h @@ -39,7 +39,33 @@ 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; }; -- cgit v1.1