diff options
| author | Vikas Manocha <vikas.manocha@st.com> | 2017-04-10 15:02:56 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-05-08 11:39:05 -0400 |
| commit | 6c9a10034a21680c4b2595d9b6468a767dedebca (patch) | |
| tree | c39f998751f91fa06bf84d6096ac57b38e73d0e1 /arch/arm/dts/stm32f746-disco.dts | |
| parent | d0b24c1aa96729d4d9fee02e2c60fc920068c6c5 (diff) | |
stm32f7: sdram: use sdram device tree node to configure sdram controller
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
Diffstat (limited to 'arch/arm/dts/stm32f746-disco.dts')
| -rw-r--r-- | arch/arm/dts/stm32f746-disco.dts | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts index 5846b0d7e7..f098d2eba3 100644 --- a/arch/arm/dts/stm32f746-disco.dts +++ b/arch/arm/dts/stm32f746-disco.dts @@ -47,6 +47,7 @@ /dts-v1/; #include "stm32f746.dtsi" +#include <dt-bindings/memory/stm32-sdram.h> / { model = "STMicroelectronics STM32F746-DISCO board"; @@ -81,6 +82,15 @@ pinctrl-0 = <&fmc_pins>; pinctrl-names = "default"; status = "okay"; + + mr-nbanks = <1>; + /* sdram memory configuration from sdram datasheet IS42S16400J */ + bank1: bank@0 { + st,sdram-control = /bits/ 8 <NO_COL_8 NO_ROW_12 MWIDTH_16 BANKS_2 + CAS_3 RD_BURST_EN RD_PIPE_DL_0>; + st,sdram-timing = /bits/ 8 <TMRD_1 TXSR_60 TRAS_42 TRC_60 TRP_18 + TRCD_18>; + }; }; &mac { |