X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=265e81e041ec063f29e6c75830efb8a41322c972;hb=77fdd6d1eb69c1194148a9f4b4428d903af3619f;hp=7b393b79b34c8ffcaf272f23c7259f15a75585a9;hpb=1df7bbba24b5f8f97331e30066358b7ab97ff1df;p=platform%2Fkernel%2Fu-boot.git diff --git a/README b/README index 7b393b7..265e81e 100644 --- a/README +++ b/README @@ -423,16 +423,50 @@ The following options need to be configured: 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 Defines the endianess of the CPU. Implementation of those values is arch specific. + CONFIG_SYS_FSL_DDR + Freescale DDR driver in use. This type of DDR controller is + found in mpc83xx, mpc85xx, mpc86xx as well as some ARM core + SoCs. + + CONFIG_SYS_FSL_DDR_ADDR + Freescale DDR memory-mapped register base. + + CONFIG_SYS_FSL_DDR_EMU + Specify emulator support for DDR. Some DDR features such as + deskew training are not available. + + CONFIG_SYS_FSL_DDRC_GEN1 + Freescale DDR1 controller. + + CONFIG_SYS_FSL_DDRC_GEN2 + Freescale DDR2 controller. + + CONFIG_SYS_FSL_DDRC_GEN3 + Freescale DDR3 controller. + + CONFIG_SYS_FSL_DDRC_ARM_GEN3 + Freescale DDR3 controller for ARM-based SoCs. + + CONFIG_SYS_FSL_DDR1 + Board config to use DDR1. It can be enabled for SoCs with + Freescale DDR1 or DDR2 controllers, depending on the board + implemetation. + + CONFIG_SYS_FSL_DDR2 + Board config to use DDR2. It can be eanbeld for SoCs with + Freescale DDR2 or DDR3 controllers, depending on the board + implementation. + + CONFIG_SYS_FSL_DDR3 + Board config to use DDR3. It can be enabled for SoCs with + Freescale DDR3 controllers. + - Intel Monahans options: CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO @@ -1971,6 +2005,13 @@ CBFS (Coreboot Filesystem) support status LED backend implementation. Define CONFIG_GPIO_LED to include the gpio_led driver in the U-Boot binary. + CONFIG_GPIO_LED_INVERTED_TABLE + Some GPIO connected LEDs may have inverted polarity in which + case the GPIO high value corresponds to LED off state and + GPIO low value corresponds to LED on state. + In such cases CONFIG_GPIO_LED_INVERTED_TABLE may be defined + with a list of GPIO LEDs that have inverted polarity. + - CAN Support: CONFIG_CAN_DRIVER Defining CONFIG_CAN_DRIVER enables CAN driver support @@ -3190,7 +3231,7 @@ FIT uImage format: 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. + drivers/ddr/fsl/libddr.o in SPL binary. CONFIG_SPL_COMMON_INIT_DDR Set for common ddr init with serial presence detect in