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| author | York Sun <yorksun@freescale.com> | 2013-09-30 09:22:09 -0700 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2013-11-25 11:43:43 -0800 |
| commit | 5614e71b4956c579cd4419b958b33fa6316eaa92 (patch) | |
| tree | f75d1d531814dbbe0ff9d65f28cc050a73a8f7de /README | |
| parent | ac6880782d8f369b7121488e8407ae6ddcf2b9ff (diff) | |
| download | u-boot-imx-5614e71b4956c579cd4419b958b33fa6316eaa92.zip u-boot-imx-5614e71b4956c579cd4419b958b33fa6316eaa92.tar.gz u-boot-imx-5614e71b4956c579cd4419b958b33fa6316eaa92.tar.bz2 | |
Driver/DDR: Moving Freescale DDR driver to a common driver
Freescale DDR driver has been used for mpc83xx, mpc85xx, mpc86xx SoCs.
The similar DDR controllers will be used for ARM-based SoCs.
Signed-off-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 41 |
1 files changed, 36 insertions, 5 deletions
@@ -423,16 +423,47 @@ 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_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 @@ -3182,7 +3213,7 @@ 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 |