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boards: fk743m5: add sdram support

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add sdram support, tested with tests/drivers/memc/ram

Signed-off-by: Shan Pen <bricle031@gmail.com>
This commit is contained in:
Shan Pen 2025-04-10 23:25:22 +08:00 • committed by Fabio Baltieri
commit 0b65f62ddb
2 changed files with 53 additions and 0 deletions
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52
boards/fanke/fk743m5_xih6/fk743m5_xih6.dts
View file

@ -31,6 +31,21 @@
aliases {
led0 = &user_led;
};
ext_memory: memory@90000000 {
compatible = "zephyr,memory-region";
reg = <0x90000000 DT_SIZE_M(256)>;
zephyr,memory-region = "EXTMEM";
/* The ATTR_MPU_EXTMEM attribut causing a MPU FAULT */
zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_IO) )>;
};
sdram1: sdram@c0000000 {
compatible = "zephyr,memory-region";
reg = <0xc0000000 DT_SIZE_M(32)>;
zephyr,memory-region = "SDRAM1";
zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_RAM) )>;
};
};
&clk_hsi48 {
@ -101,6 +116,43 @@
};
};
&fmc {
pinctrl-0 = <&fmc_nbl0_pe0 &fmc_nbl1_pe1
&fmc_sdclk_pg8 &fmc_sdnwe_pc0 &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_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>;
pinctrl-names = "default";
status = "okay";
sdram {
status = "okay";
power-up-delay = <100>;
num-auto-refresh = <8>;
mode-register = <0x230>;
refresh-rate = <0x603>;
bank@0 {
reg = <0>;
st,sdram-control = <STM32_FMC_SDRAM_NC_9
STM32_FMC_SDRAM_NR_13
STM32_FMC_SDRAM_MWID_16
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_1>;
st,sdram-timing = <2 7 4 7 3 2 2>;
};
};
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
pinctrl-names = "default";

1
boards/fanke/fk743m5_xih6/fk743m5_xih6.yaml
View file

@ -13,4 +13,5 @@ supported:
- spi
- backup_sram
- qspi
- memc
vendor: fanke