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-rw-r--r--src/mainboard/sifive/hifive-unleashed/Kconfig4
-rw-r--r--src/mainboard/sifive/hifive-unleashed/Makefile.inc16
-rw-r--r--src/mainboard/sifive/hifive-unleashed/fixup_fdt.c105
-rw-r--r--src/mainboard/sifive/hifive-unleashed/hifive-unleashed.dts640
4 files changed, 763 insertions, 2 deletions
diff --git a/src/mainboard/sifive/hifive-unleashed/Kconfig b/src/mainboard/sifive/hifive-unleashed/Kconfig
index 1fdff7b068..24531787ef 100644
--- a/src/mainboard/sifive/hifive-unleashed/Kconfig
+++ b/src/mainboard/sifive/hifive-unleashed/Kconfig
@@ -18,6 +18,10 @@ config BOARD_SPECIFIC_OPTIONS
select SOC_SIFIVE_FU540
select BOARD_ROMSIZE_KB_32768
select MISSING_BOARD_RESET
+ select FLATTENED_DEVICE_TREE
+
+config HEAP_SIZE
+ default 0x10000
config MAINBOARD_DIR
string
diff --git a/src/mainboard/sifive/hifive-unleashed/Makefile.inc b/src/mainboard/sifive/hifive-unleashed/Makefile.inc
index 27ddcbad87..263297eb74 100644
--- a/src/mainboard/sifive/hifive-unleashed/Makefile.inc
+++ b/src/mainboard/sifive/hifive-unleashed/Makefile.inc
@@ -11,8 +11,20 @@
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-romstage-y += romstage.c
-
bootblock-y += memlayout.ld
+
romstage-y += memlayout.ld
+romstage-y += romstage.c
+
ramstage-y += memlayout.ld
+ramstage-y += fixup_fdt.c
+
+
+DTB=build/hifive-unleashed.dtb
+DTS=src/mainboard/sifive/hifive-unleashed/hifive-unleashed.dts
+$(DTB): $(DTS)
+ dtc -I dts -O dtb -o $(DTB) $(DTS)
+
+cbfs-files-y += fallback/DTB
+fallback/DTB-file := $(DTB)
+fallback/DTB-type := raw
diff --git a/src/mainboard/sifive/hifive-unleashed/fixup_fdt.c b/src/mainboard/sifive/hifive-unleashed/fixup_fdt.c
new file mode 100644
index 0000000000..ea58e02b2e
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unleashed/fixup_fdt.c
@@ -0,0 +1,105 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 HardenedLinux
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <soc/otp.h>
+#include <soc/sdram.h>
+#include <cbfs.h>
+#include <device_tree.h>
+#include <bootstate.h>
+#include <mcall.h>
+
+static void do_fixup_mac(struct device_tree_node *node)
+{
+ uint32_t serial = otp_read_serial();
+ static unsigned char mac[6] = { 0x70, 0xb3, 0xd5, 0x92, 0xf0, 0x00 };
+ if (serial != ~0) {
+ mac[5] |= (serial >> 0) & 0xff;
+ mac[4] |= (serial >> 8) & 0xff;
+ mac[3] |= (serial >> 16) & 0xff;
+ }
+ dt_add_bin_prop(node, "local-mac-address", mac, 6);
+}
+
+static void fixup_mac(struct device_tree_node *parent)
+{
+ struct device_tree_property *prop;
+ const char *name = "local-mac-address";
+
+ list_for_each(prop, parent->properties, list_node) {
+ if (!strcmp(name, prop->prop.name))
+ do_fixup_mac(parent);
+ }
+
+ struct device_tree_node *child;
+ list_for_each(child, parent->children, list_node) {
+ fixup_mac(child);
+ }
+}
+
+static void do_fixup_memory(struct device_tree_node *node)
+{
+ u64 addrs[1], sizes[1];
+ addrs[0] = 0x80000000;
+ sizes[0] = sdram_size_mb() * 1024 * 1024;
+ dt_add_reg_prop(node, addrs, sizes, 1, 2, 2);
+}
+
+
+static void fixup_memory(struct device_tree_node *parent)
+{
+ struct device_tree_property *prop;
+ const char *name = "device_type";
+ const char *value = "memory";
+
+ list_for_each(prop, parent->properties, list_node) {
+ if (!strcmp(name, prop->prop.name)) {
+ if (!strcmp(value, (char *)prop->prop.data))
+ do_fixup_memory(parent);
+ }
+ }
+
+ struct device_tree_node *child;
+ list_for_each(child, parent->children, list_node) {
+ fixup_memory(child);
+ }
+}
+
+static void fixup_fdt(void *unused)
+{
+ void *fdt_rom;
+ struct device_tree *tree;
+
+ /* load flat dt from cbfs */
+ fdt_rom = cbfs_boot_map_with_leak("fallback/DTB", CBFS_TYPE_RAW, NULL);
+
+ /* Expand DT into a tree */
+ tree = fdt_unflatten(fdt_rom);
+
+ /* fixup tree */
+ fixup_mac(tree->root);
+ fixup_memory(tree->root);
+
+ /* convert the tree to a flat dt */
+ void *dt = malloc(dt_flat_size(tree));
+ dt_flatten(tree, dt);
+
+ /* update HLS */
+ for (int i = 0; i < CONFIG_MAX_CPUS; i++)
+ OTHER_HLS(i)->fdt = dt;
+}
+
+BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_EXIT, fixup_fdt, NULL);
diff --git a/src/mainboard/sifive/hifive-unleashed/hifive-unleashed.dts b/src/mainboard/sifive/hifive-unleashed/hifive-unleashed.dts
new file mode 100644
index 0000000000..6b9bbaa399
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unleashed/hifive-unleashed.dts
@@ -0,0 +1,640 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 SiFive, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+/dts-v1/;
+
+/ {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "sifive,fu540g", "sifive,fu500";
+ model = "sifive,hifive-unleashed-a00";
+
+ aliases {
+ serial0 = &L28;
+ serial1 = &L29;
+ };
+
+ chosen {
+ };
+/*
+ firmware {
+ sifive,fsbl = "YYYY-MM-DD";
+ };
+*/
+ L3: cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ timebase-frequency = <1000000>;
+ L9: cpu@0 {
+ clock-frequency = <0>;
+ compatible = "sifive,rocket0", "riscv";
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <128>;
+ i-cache-size = <16384>;
+ next-level-cache = <&L24 &L0>;
+ reg = <0>;
+ riscv,isa = "rv64imac";
+ sifive,dtim = <&L8>;
+ sifive,itim = <&L7>;
+ status = "okay";
+ L10: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ L12: cpu@1 {
+ clock-frequency = <0>;
+ compatible = "sifive,rocket0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <32>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <64>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <32>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&L24 &L0>;
+ reg = <1>;
+ riscv,isa = "rv64imafdc";
+ sifive,itim = <&L11>;
+ status = "okay";
+ tlb-split;
+ L13: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ L15: cpu@2 {
+ clock-frequency = <0>;
+ compatible = "sifive,rocket0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <32>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <64>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <32>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&L24 &L0>;
+ reg = <2>;
+ riscv,isa = "rv64imafdc";
+ sifive,itim = <&L14>;
+ status = "okay";
+ tlb-split;
+ L16: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ L18: cpu@3 {
+ clock-frequency = <0>;
+ compatible = "sifive,rocket0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <32>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <64>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <32>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&L24 &L0>;
+ reg = <3>;
+ riscv,isa = "rv64imafdc";
+ sifive,itim = <&L17>;
+ status = "okay";
+ tlb-split;
+ L19: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ L21: cpu@4 {
+ clock-frequency = <0>;
+ compatible = "sifive,rocket0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <32>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <64>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <32>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&L24 &L0>;
+ reg = <4>;
+ riscv,isa = "rv64imafdc";
+ sifive,itim = <&L20>;
+ status = "okay";
+ tlb-split;
+ L22: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ };
+ L36: memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x2 0x00000000>;
+ };
+ L2: soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "SiFive,FU540G-soc", "fu500-soc", "sifive-soc", "simple-bus";
+ ranges;
+ refclk: refclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <33333333>;
+ clock-output-names = "xtal";
+ };
+ prci: prci@10000000 {
+ /* compatible = "sifive,ux00prci0"; */
+ compatible = "sifive,aloeprci0";
+ reg = <0x0 0x10000000 0x0 0x1000>;
+ reg-names = "control";
+ clocks = <&refclk>;
+ #clock-cells = <1>;
+ };
+ tlclk: tlclk {
+ compatible = "fixed-factor-clock";
+ clocks = <&prci 0>;
+ #clock-cells = <0>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ };
+ L51: cadence-gemgxl-mgmt@100a0000 {
+ compatible = "sifive,cadencegemgxlmgmt0";
+ reg = <0x0 0x100a0000 0x0 0x1000>;
+ reg-names = "control";
+ #clock-cells = <0>;
+ };
+ L35: bus-blocker@100b8000 {
+ compatible = "sifive,bus-blocker0";
+ reg = <0x0 0x100b8000 0x0 0x1000>;
+ reg-names = "control";
+ };
+ L0: cache-controller@2010000 {
+ cache-block-size = <64>;
+ cache-level = <2>;
+ cache-sets = <2048>;
+ cache-size = <2097152>;
+ cache-unified;
+ compatible = "sifive,ccache0", "cache";
+ interrupt-parent = <&L4>;
+ interrupts = <1 2 3>;
+ next-level-cache = <&L25 &L40 &L36>;
+ reg = <0x0 0x2010000 0x0 0x1000 0x0 0x8000000 0x0 0x2000000>;
+ reg-names = "control", "sideband";
+ };
+ L33: cadence-ddr-mgmt@100c0000 {
+ compatible = "sifive,cadenceddrmgmt0";
+ reg = <0x0 0x100c0000 0x0 0x1000>;
+ reg-names = "control";
+ };
+ L40: chiplink@40000000 {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "sifive,chiplink", "simple-bus";
+ ranges = <0x0 0x60000000 0x0 0x60000000 0x0 0x20000000 0x30 0x0 0x30 0x0 0x10 0x0 0x0 0x40000000 0x0 0x40000000 0x0 0x20000000 0x20 0x0 0x20 0x0 0x10 0x0>;
+ };
+ L5: clint@2000000 {
+ compatible = "riscv,clint0";
+ interrupts-extended = <&L10 3 &L10 7 &L13 3 &L13 7 &L16 3 &L16 7 &L19 3 &L19 7 &L22 3 &L22 7>;
+ reg = <0x0 0x2000000 0x0 0x10000>;
+ reg-names = "control";
+ };
+ L6: debug-controller@0 {
+ compatible = "sifive,debug-013", "riscv,debug-013";
+ interrupts-extended = <&L10 65535 &L13 65535 &L16 65535 &L19 65535 &L22 65535>;
+ reg = <0x0 0x0 0x0 0x1000>;
+ reg-names = "control";
+ };
+ L32: dma@3000000 {
+ #dma-cells = <1>;
+ compatible = "riscv,dma0";
+ dma-channels = <4>;
+ dma-requests = <0>;
+ interrupt-parent = <&L4>;
+ interrupts = <23 24 25 26 27 28 29 30>;
+ reg = <0x0 0x3000000 0x0 0x100000>;
+ reg-names = "control";
+ riscv,dma-pools = <1>;
+ };
+ L8: dtim@1000000 {
+ compatible = "sifive,dtim0";
+ reg = <0x0 0x1000000 0x0 0x2000>;
+ reg-names = "mem";
+ };
+ L44: ememoryotp@10070000 {
+ compatible = "sifive,ememoryotp0";
+ reg = <0x0 0x10070000 0x0 0x1000>;
+ reg-names = "control";
+ };
+ L24: error-device@18000000 {
+ compatible = "sifive,error0";
+ reg = <0x0 0x18000000 0x0 0x8000000>;
+ reg-names = "mem";
+ };
+ L52: ethernet@10090000 {
+ compatible = "cdns,macb";
+ interrupt-parent = <&L4>;
+ interrupts = <53>;
+ reg = <0x0 0x10090000 0x0 0x2000>;
+ reg-names = "control";
+
+ local-mac-address = [00 00 00 00 00 00];
+ phy-mode = "gmii";
+ clock-names = "pclk", "hclk", "tx_clk";
+ clocks = <&prci 1>, <&prci 1>, <&L51>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy1: ethernet-phy@0 {
+ reg = <0>;
+ reset-gpios = <&L31 12 1>;
+ };
+ };
+ L31: gpio@10060000 {
+ compatible = "sifive,gpio0";
+ interrupt-parent = <&L4>;
+ interrupts = <7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22>;
+ reg = <0x0 0x10060000 0x0 0x1000>;
+ reg-names = "control";
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+ gpio-restart {
+ compatible = "gpio-restart";
+ gpios = <&L31 10 1>;
+ };
+ L47: i2c@10030000 {
+ compatible = "sifive,i2c0", "opencores,i2c-ocores";
+ reg = <0x0 0x10030000 0x0 0x1000>;
+ reg-names = "control";
+ clocks = <&tlclk>;
+
+ reg-shift = <2>;
+ reg-io-width = <1>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* On pre-production boards only */
+/*
+ ina233-vdd_soc_core@40 {
+ compatible = "ti,pmbus";
+ reg = <0x40>;
+ };
+ ina233-vdd_ddr_soc@44 {
+ compatible = "ti,pmbus";
+ reg = <0x44>;
+ };
+ ina233-vdd_ddr_mem@45 {
+ compatible = "ti,pmbus";
+ reg = <0x45>;
+ };
+ ina233-vdd_corepll@47 {
+ compatible = "ti,pmbus";
+ reg = <0x47>;
+ };
+ ina233-vdd_otp@4a {
+ compatible = "ti,pmbus";
+ reg = <0x4a>;
+ };
+ ina233-vdd_io@4b {
+ compatible = "ti,pmbus";
+ reg = <0x4b>;
+ };
+ ina233-vdd_ddrpll@48 {
+ compatible = "ti,pmbus";
+ reg = <0x48>;
+ };
+ ina233-avdd_ddrpll@49 {
+ compatible = "ti,pmbus";
+ reg = <0x49>;
+ };
+ ina233-vdd_givdd@4c {
+ compatible = "ti,pmbus";
+ reg = <0x4c>;
+ };
+ ina233vdd_gemgxlpll@4d {
+ compatible = "ti,pmbus";
+ reg = <0x4d>;
+ };
+*/
+ /* On the tester board */
+/*
+ m24c02 {
+ compatible = "st,24c02";
+ reg = <0x51>;
+ };
+*/
+ };
+ L4: interrupt-controller@c000000 {
+ #interrupt-cells = <1>;
+ compatible = "riscv,plic0";
+ interrupt-controller;
+ interrupts-extended = <&L10 11 &L13 11 &L13 9 &L16 11 &L16 9 &L19 11 &L19 9 &L22 11 &L22 9>;
+ reg = <0x0 0xc000000 0x0 0x4000000>;
+ reg-names = "control";
+ riscv,max-priority = <7>;
+ riscv,ndev = <53>;
+ };
+ L7: itim@1800000 {
+ compatible = "sifive,itim0";
+ reg = <0x0 0x1800000 0x0 0x4000>;
+ reg-names = "mem";
+ };
+ L11: itim@1808000 {
+ compatible = "sifive,itim0";
+ reg = <0x0 0x1808000 0x0 0x8000>;
+ reg-names = "mem";
+ };
+ L14: itim@1810000 {
+ compatible = "sifive,itim0";
+ reg = <0x0 0x1810000 0x0 0x8000>;
+ reg-names = "mem";
+ };
+ L17: itim@1818000 {
+ compatible = "sifive,itim0";
+ reg = <0x0 0x1818000 0x0 0x8000>;
+ reg-names = "mem";
+ };
+ L20: itim@1820000 {
+ compatible = "sifive,itim0";
+ reg = <0x0 0x1820000 0x0 0x8000>;
+ reg-names = "mem";
+ };
+ L37: memory-controller@100b0000 {
+ /* compatible = "sifive,ux00ddr0"; */
+ compatible = "sifive,aloeddr0";
+ interrupt-parent = <&L4>;
+ interrupts = <31>;
+ reg = <0x0 0x100b0000 0x0 0x4000>;
+ reg-names = "control";
+ };
+ pci@2000000000 {
+ #address-cells = <3>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ compatible = "xlnx,axi-pcie-host-1.00.a";
+ device_type = "pci";
+ interrupt-map = <0 0 0 1 &xil_pcie_intc 1 0 0 0 2 &xil_pcie_intc 2 0 0 0 3 &xil_pcie_intc 3 0 0 0 4 &xil_pcie_intc 4>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-parent = <&L4>;
+ interrupts = <32>;
+ ranges = <0x2000000 0x0 0x40000000 0x0 0x40000000 0x0 0x20000000>;
+ reg = <0x020 0x0 0x0 0x4000000>;
+ reg-names = "control";
+ xil_pcie_intc: interrupt-controller {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ };
+ };
+/*
+ pci@2030000000 {
+ #address-cells = <3>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ compatible = "ms-pf,axi-pcie-host";
+ device_type = "pci";
+ bus-range = <0x01 0x7f>;
+ interrupt-map = <0 0 0 1 &ms_pcie_intc 1 0 0 0 2 &ms_pcie_intc 2 0 0 0 3 &ms_pcie_intc 3 0 0 0 4 &ms_pcie_intc 4>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-parent = <&L4>;
+ interrupts = <32>;
+ ranges = <0x2000000 0x0 0x40000000 0x0 0x40000000 0x0 0x20000000>;
+ reg = <0x20 0x30000000 0x0 0x4000000 0x20 0x0 0x0 0x100000>;
+ reg-names = "control", "apb";
+ ms_pcie_intc: interrupt-controller {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ };
+ };
+*/
+ L53: pinctrl@10080000 {
+ compatible = "sifive,pinctrl0";
+ reg = <0x0 0x10080000 0x0 0x1000>;
+ reg-names = "control";
+ };
+ L45: pwm@10020000 {
+ compatible = "sifive,pwm0";
+ interrupt-parent = <&L4>;
+ interrupts = <42 43 44 45>;
+ reg = <0x0 0x10020000 0x0 0x1000>;
+ reg-names = "control";
+ clocks = <&tlclk>;
+ sifive,approx-period = <1000000>;
+ #pwm-cells = <2>;
+ };
+ L46: pwm@10021000 {
+ compatible = "sifive,pwm0";
+ interrupt-parent = <&L4>;
+ interrupts = <46 47 48 49>;
+ reg = <0x0 0x10021000 0x0 0x1000>;
+ reg-names = "control";
+ clocks = <&tlclk>;
+ sifive,approx-period = <1000000>;
+ #pwm-cells = <2>;
+ };
+ pwmleds {
+ compatible = "pwm-leds";
+ heartbeat {
+ pwms = <&L45 0 0>;
+ max-brightness = <255>;
+ linux,default-trigger = "heartbeat";
+ };
+ mtd {
+ pwms = <&L45 1 0>;
+ max-brightness = <255>;
+ linux,default-trigger = "mtd";
+ };
+ netdev {
+ pwms = <&L45 2 0>;
+ max-brightness = <255>;
+ linux,default-trigger = "netdev";
+ };
+ panic {
+ pwms = <&L45 3 0>;
+ max-brightness = <255>;
+ linux,default-trigger = "panic";
+ };
+ /* These LEDs are on the tester board */
+/*
+ testled {
+ pwms = <&L46 0 0>;
+ max-brightness = <255>;
+ };
+ green {
+ pwms = <&L46 1 0>;
+ max-brightness = <255>;
+ };
+ red {
+ pwms = <&L46 2 0>;
+ max-brightness = <255>;
+ };
+ blue {
+ pwms = <&L46 3 0>;
+ max-brightness = <255>;
+ };
+*/
+ };
+ L27: rom@1000 {
+ compatible = "sifive,modeselect0";
+ reg = <0x0 0x1000 0x0 0x1000>;
+ reg-names = "mem";
+ };
+ L26: rom@10000 {
+ compatible = "sifive,maskrom0";
+ reg = <0x0 0x10000 0x0 0x8000>;
+ reg-names = "mem";
+ };
+ L25: rom@a000000 {
+ compatible = "ucbbar,cacheable-zero0";
+ reg = <0x0 0xa000000 0x0 0x2000000>;
+ reg-names = "mem";
+ };
+ L28: serial@10010000 {
+ compatible = "sifive,uart0";
+ interrupt-parent = <&L4>;
+ interrupts = <4>;
+ reg = <0x0 0x10010000 0x0 0x1000>;
+ reg-names = "control";
+ clocks = <&tlclk>;
+ };
+ L29: serial@10011000 {
+ compatible = "sifive,uart0";
+ interrupt-parent = <&L4>;
+ interrupts = <5>;
+ reg = <0x0 0x10011000 0x0 0x1000>;
+ reg-names = "control";
+ clocks = <&tlclk>;
+ };
+ L49: spi@10040000 {
+ compatible = "sifive,spi0";
+ interrupt-parent = <&L4>;
+ interrupts = <51>;
+ reg = <0x0 0x10040000 0x0 0x1000 0x0 0x20000000 0x0 0x10000000>;
+ reg-names = "control", "mem";
+ clocks = <&tlclk>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ flash@0 {
+ compatible = "issi,is25wp256d", "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+ };
+ L50: spi@10041000 {
+ compatible = "sifive,spi0";
+ interrupt-parent = <&L4>;
+ interrupts = <52>;
+ reg = <0x0 0x10041000 0x0 0x1000 0x0 0x30000000 0x0 0x10000000>;
+ reg-names = "control", "mem";
+ clocks = <&tlclk>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* These flash chips are on the tester board */
+/*
+ flash@0 {
+ compatible = "issi,is25wp032", "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <25000000>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+ flash@1 {
+ compatible = "issi,is25wp032", "jedec,spi-nor";
+ reg = <1>;
+ spi-max-frequency = <25000000>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+ flash@2 {
+ compatible = "issi,is25wp032", "jedec,spi-nor";
+ reg = <2>;
+ spi-max-frequency = <25000000>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+ flash@3 {
+ compatible = "issi,is25wp032", "jedec,spi-nor";
+ reg = <3>;
+ spi-max-frequency = <25000000>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+*/
+ };
+ L30: spi@10050000 {
+ compatible = "sifive,spi0";
+ interrupt-parent = <&L4>;
+ interrupts = <6>;
+ reg = <0x0 0x10050000 0x0 0x1000>;
+ reg-names = "control";
+ clocks = <&tlclk>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mmc@0 {
+ compatible = "mmc-spi-slot";
+ reg = <0>;
+ spi-max-frequency = <20000000>;
+ voltage-ranges = <3300 3300>;
+ disable-wp;
+ gpios = <&L31 11 1>;
+ };
+ };
+ L23: teststatus@4000 {
+ compatible = "sifive,test0";
+ reg = <0x0 0x4000 0x0 0x1000>;
+ reg-names = "control";
+ };
+ };
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 22:58:24 +0000