diff options
Diffstat (limited to 'README')
| -rw-r--r-- | README | 57 |
1 files changed, 57 insertions, 0 deletions
@@ -406,13 +406,25 @@ The following options need to be configured: This is the value to write into CCSR offset 0x18600 according to the A004510 workaround. + CONFIG_SYS_FSL_DSP_DDR_ADDR + This value denotes start offset of DDR memory which is + connected exclusively to the DSP cores. + CONFIG_SYS_FSL_DSP_M2_RAM_ADDR This value denotes start offset of M2 memory which is directly connected to the DSP core. + CONFIG_SYS_FSL_DSP_M3_RAM_ADDR + This value denotes start offset of M3 memory which is directly + connected to the DSP core. + CONFIG_SYS_FSL_DSP_CCSRBAR_DEFAULT This value denotes start offset of DSP CCSR space. + CONFIG_SYS_FSL_DDR_EMU + Specify emulator support for DDR. Some DDR features such as + deskew training are not available. + - Generic CPU options: CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN @@ -2629,6 +2641,21 @@ CBFS (Coreboot Filesystem) support Note: There is also a sha1sum command, which should perhaps be deprecated in favour of 'hash sha1'. +- Freescale i.MX specific commands: + CONFIG_CMD_HDMIDETECT + This enables 'hdmidet' command which returns true if an + HDMI monitor is detected. This command is i.MX 6 specific. + + CONFIG_CMD_BMODE + This enables the 'bmode' (bootmode) command for forcing + a boot from specific media. + + This is useful for forcing the ROM's usb downloader to + activate upon a watchdog reset which is nice when iterating + on U-Boot. Using the reset button or running bmode normal + will set it back to normal. This command currently + supports i.MX53 and i.MX6. + - Signing support: CONFIG_RSA @@ -3063,6 +3090,14 @@ FIT uImage format: Support for NAND boot using simple NAND drivers that expose the cmd_ctrl() interface. + CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT + Set for the SPL on PPC mpc8xxx targets, support for + arch/powerpc/cpu/mpc8xxx/ddr/libddr.o in SPL binary. + + CONFIG_SPL_COMMON_INIT_DDR + Set for common ddr init with serial presence detect in + SPL binary. + CONFIG_SYS_NAND_5_ADDR_CYCLE, CONFIG_SYS_NAND_PAGE_COUNT, CONFIG_SYS_NAND_PAGE_SIZE, CONFIG_SYS_NAND_OOBSIZE, CONFIG_SYS_NAND_BLOCK_SIZE, CONFIG_SYS_NAND_BAD_BLOCK_POS, @@ -3132,6 +3167,17 @@ FIT uImage format: option to re-enable it. This will affect the output of the bootm command when booting a FIT image. +- TPL framework + CONFIG_TPL + Enable building of TPL globally. + + CONFIG_TPL_PAD_TO + Image offset to which the TPL should be padded before appending + the TPL payload. By default, this is defined as + CONFIG_SPL_MAX_SIZE, or 0 if CONFIG_SPL_MAX_SIZE is undefined. + CONFIG_SPL_PAD_TO must be either 0, meaning to append the SPL + payload without any padding, or >= CONFIG_SPL_MAX_SIZE. + Modem Support: -------------- @@ -4169,6 +4215,11 @@ Low Level (hardware related) configuration options: that is executed before the actual U-Boot. E.g. when compiling a NAND SPL. +- CONFIG_TPL_BUILD + Modifies the behaviour of start.S when compiling a loader + that is executed after the SPL and before the actual U-Boot. + It is loaded by the SPL. + - CONFIG_SYS_MPC85XX_NO_RESETVEC Only for 85xx systems. If this variable is specified, the section .resetvec is not kept and the section .bootpg is placed in the @@ -4615,6 +4666,12 @@ List of environment variables (most likely not complete): npe_ucode - set load address for the NPE microcode + silent_linux - If set then linux will be told to boot silently, by + changing the console to be empty. If "yes" it will be + made silent. If "no" it will not be made silent. If + unset, then it will be made silent if the U-Boot console + is silent. + tftpsrcport - If this is set, the value is used for TFTP's UDP source port. |