ARM: AM43xx: GP_EVM: Add support for DDR3
authorLokesh Vutla <lokeshvutla@ti.com>
Tue, 10 Dec 2013 09:32:23 +0000 (15:02 +0530)
committerTom Rini <trini@ti.com>
Thu, 19 Dec 2013 02:14:45 +0000 (21:14 -0500)
commitb5e01eecc89e3e5c2ed3c17b803529be3c3702fb
tree73824a5325ebcf7c0c7cfe28ac5790655f7ca2ca
parentd3daba10f159cca7e9d24c6f154926a9b92c75e3
ARM: AM43xx: GP_EVM: Add support for DDR3

GP EVM has 1GB DDR3 attached(Part no: MT41K512M8RH).
Adding details for the same.
Below is the brief description of DDR3 init sequence(SW leveling):
-> Enable VTT regulator
-> Configure VTP
-> Configure DDR IO settings
-> Disable initialization and refreshes until EMIF registers are programmed.
-> Program Timing registers
-> Program leveling registers
-> Program PHY control and Temp alert and ZQ config registers.
-> Enable initialization and refreshes and configure SDRAM CONFIG register

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
arch/arm/cpu/armv7/am33xx/ddr.c
arch/arm/cpu/armv7/omap-common/emif-common.c
arch/arm/include/asm/arch-am33xx/ddr_defs.h
arch/arm/include/asm/arch-am33xx/gpio.h
arch/arm/include/asm/emif.h
board/ti/am43xx/board.c
board/ti/am43xx/mux.c