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boards: stm32f769i_disc0: add sdram support

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Add support for the 16MB SDRAM found in STM32F769I-DISC0 boards.

Signed-off-by: Konstantinos Papadopoulos <kostas.papadopulos@gmail.com>
This commit is contained in:
Konstantinos Papadopoulos 2021-12-01 03:25:51 +02:00 • committed by Maureen Helm
commit 04bb13b9cb
2 changed files with 49 additions and 0 deletions
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48
boards/arm/stm32f769i_disco/stm32f769i_disco.dts
View file

@ -22,6 +22,11 @@
zephyr,flash-controller = &mx25l51245g; zephyr,flash-controller = &mx25l51245g;
}; };
sdram1: sdram@c0000000 {
device_type = "memory";
reg = <0xc0000000 DT_SIZE_M(16)>;
};
leds { leds {
compatible = "gpio-leds"; compatible = "gpio-leds";
red_led_1:led_1 { red_led_1:led_1 {
@ -167,3 +172,46 @@ arduino_serial: &usart6 {};
}; };
}; };
}; };
&fmc {
status = "okay";
pinctrl-0 = <&fmc_nbl0_pe0 &fmc_nbl1_pe1 &fmc_nbl2_pi4 &fmc_nbl3_pi5
&fmc_sdclk_pg8 &fmc_sdnwe_ph5 &fmc_sdcke0_ph2 &fmc_sdne0_ph3
&fmc_sdnras_pf11 &fmc_sdncas_pg15
&fmc_a0_pf0 &fmc_a1_pf1 &fmc_a2_pf2 &fmc_a3_pf3
&fmc_a4_pf4 &fmc_a5_pf5 &fmc_a6_pf12 &fmc_a7_pf13
&fmc_a8_pf14 &fmc_a9_pf15 &fmc_a10_pg0 &fmc_a11_pg1
&fmc_a12_pg2 &fmc_a14_pg4 &fmc_a15_pg5
&fmc_d0_pd14 &fmc_d1_pd15 &fmc_d2_pd0 &fmc_d3_pd1
&fmc_d4_pe7 &fmc_d5_pe8 &fmc_d6_pe9 &fmc_d7_pe10
&fmc_d8_pe11 &fmc_d9_pe12 &fmc_d10_pe13 &fmc_d11_pe14
&fmc_d12_pe15 &fmc_d13_pd8 &fmc_d14_pd9 &fmc_d15_pd10
&fmc_d16_ph8 &fmc_d17_ph9 &fmc_d18_ph10 &fmc_d19_ph11
&fmc_d20_ph12 &fmc_d21_ph13 &fmc_d22_ph14 &fmc_d23_ph15
&fmc_d24_pi0 &fmc_d25_pi1 &fmc_d26_pi2 &fmc_d27_pi3
&fmc_d28_pi6 &fmc_d29_pi7 &fmc_d30_pi9 &fmc_d31_pi10>;
pinctrl-names = "default";
sdram {
status = "okay";
power-up-delay = <100>;
num-auto-refresh = <8>;
mode-register = <0x230>;
refresh-rate = <603>;
bank@0 {
reg = <0>;
st,sdram-control = <STM32_FMC_SDRAM_NC_8
STM32_FMC_SDRAM_NR_12
STM32_FMC_SDRAM_MWID_32
STM32_FMC_SDRAM_NB_4
STM32_FMC_SDRAM_CAS_3
STM32_FMC_SDRAM_SDCLK_PERIOD_2
STM32_FMC_SDRAM_RBURST_ENABLE
STM32_FMC_SDRAM_RPIPE_0>;
st,sdram-timing = <2 6 4 6 2 2 2>;
};
};
};

1
boards/arm/stm32f769i_disco/stm32f769i_disco.yaml
View file

@ -16,3 +16,4 @@ supported:
- gpio - gpio
- arduino_gpio - arduino_gpio
- netif:eth - netif:eth
- memc