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-rw-r--r--README95
1 files changed, 90 insertions, 5 deletions
diff --git a/README b/README
index f0ffaf491c..1130b4f329 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
@@ -1979,6 +2013,21 @@ CBFS (Coreboot Filesystem) support
kernel). Defining CONFIG_STATUS_LED enables this
feature in U-Boot.
+ Additional options:
+
+ CONFIG_GPIO_LED
+ The status LED can be connected to a GPIO pin.
+ In such cases, the gpio_led driver can be used as a
+ 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
@@ -2056,6 +2105,42 @@ CBFS (Coreboot Filesystem) support
- CONFIG_SYS_RCAR_I2C3_SPEED for for the speed channel 3
- CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS for number of i2c buses
+ - drivers/i2c/sh_i2c.c:
+ - activate this driver with CONFIG_SYS_I2C_SH
+ - This driver adds from 2 to 5 i2c buses
+
+ - CONFIG_SYS_I2C_SH_BASE0 for setting the register channel 0
+ - CONFIG_SYS_I2C_SH_SPEED0 for for the speed channel 0
+ - CONFIG_SYS_I2C_SH_BASE1 for setting the register channel 1
+ - CONFIG_SYS_I2C_SH_SPEED1 for for the speed channel 1
+ - CONFIG_SYS_I2C_SH_BASE2 for setting the register channel 2
+ - CONFIG_SYS_I2C_SH_SPEED2 for for the speed channel 2
+ - CONFIG_SYS_I2C_SH_BASE3 for setting the register channel 3
+ - CONFIG_SYS_I2C_SH_SPEED3 for for the speed channel 3
+ - CONFIG_SYS_I2C_SH_BASE4 for setting the register channel 4
+ - CONFIG_SYS_I2C_SH_SPEED4 for for the speed channel 4
+ - CONFIG_SYS_I2C_SH_BASE5 for setting the register channel 5
+ - CONFIG_SYS_I2C_SH_SPEED5 for for the speed channel 5
+ - CONFIF_SYS_I2C_SH_NUM_CONTROLLERS for nummber of i2c buses
+
+ - drivers/i2c/omap24xx_i2c.c
+ - activate this driver with CONFIG_SYS_I2C_OMAP24XX
+ - CONFIG_SYS_OMAP24_I2C_SPEED speed channel 0
+ - CONFIG_SYS_OMAP24_I2C_SLAVE slave addr channel 0
+ - CONFIG_SYS_OMAP24_I2C_SPEED1 speed channel 1
+ - CONFIG_SYS_OMAP24_I2C_SLAVE1 slave addr channel 1
+ - CONFIG_SYS_OMAP24_I2C_SPEED2 speed channel 2
+ - CONFIG_SYS_OMAP24_I2C_SLAVE2 slave addr channel 2
+ - CONFIG_SYS_OMAP24_I2C_SPEED3 speed channel 3
+ - CONFIG_SYS_OMAP24_I2C_SLAVE3 slave addr channel 3
+ - CONFIG_SYS_OMAP24_I2C_SPEED4 speed channel 4
+ - CONFIG_SYS_OMAP24_I2C_SLAVE4 slave addr channel 4
+
+ - drivers/i2c/zynq_i2c.c
+ - activate this driver with CONFIG_SYS_I2C_ZYNQ
+ - set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting
+ - set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr
+
additional defines:
CONFIG_SYS_NUM_I2C_BUSES
@@ -3162,7 +3247,7 @@ 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