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-rw-r--r--src/mainboard/sifive/hifive-unmatched/Kconfig24
-rw-r--r--src/mainboard/sifive/hifive-unmatched/Kconfig.name2
-rw-r--r--src/mainboard/sifive/hifive-unmatched/Makefile.inc16
-rw-r--r--src/mainboard/sifive/hifive-unmatched/board_info.txt6
-rw-r--r--src/mainboard/sifive/hifive-unmatched/cbfs_spi.c173
-rw-r--r--src/mainboard/sifive/hifive-unmatched/devicetree.cb5
-rw-r--r--src/mainboard/sifive/hifive-unmatched/fixup_fdt.c106
-rw-r--r--src/mainboard/sifive/hifive-unmatched/fu740-c000.dtsi363
-rw-r--r--src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00-mod.dts232
-rw-r--r--src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00.dts232
-rw-r--r--src/mainboard/sifive/hifive-unmatched/mainboard.c5
-rw-r--r--src/mainboard/sifive/hifive-unmatched/romstage.c25
12 files changed, 1189 insertions, 0 deletions
diff --git a/src/mainboard/sifive/hifive-unmatched/Kconfig b/src/mainboard/sifive/hifive-unmatched/Kconfig
new file mode 100644
index 0000000000..a163911c93
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/Kconfig
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+if BOARD_SIFIVE_HIFIVE_UNMATCHED
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+ select SOC_SIFIVE_FU740
+ select BOARD_ROMSIZE_KB_32768
+ select MISSING_BOARD_RESET
+ select FLATTENED_DEVICE_TREE
+ select SPI_FLASH
+ select SPI_FLASH_ISSI
+ select SPI_SDCARD
+
+config HEAP_SIZE
+ default 0x10000 #TODO
+
+config MAINBOARD_DIR
+ default "sifive/hifive-unmatched"
+
+config MAINBOARD_PART_NUMBER
+ default "HiFive Unmatched"
+
+endif
diff --git a/src/mainboard/sifive/hifive-unmatched/Kconfig.name b/src/mainboard/sifive/hifive-unmatched/Kconfig.name
new file mode 100644
index 0000000000..bbba82c4cb
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/Kconfig.name
@@ -0,0 +1,2 @@
+config BOARD_SIFIVE_HIFIVE_UNMATCHED
+ bool "HiFive Unmatched"
diff --git a/src/mainboard/sifive/hifive-unmatched/Makefile.inc b/src/mainboard/sifive/hifive-unmatched/Makefile.inc
new file mode 100644
index 0000000000..0463be5de4
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/Makefile.inc
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+bootblock-y += romstage.c
+bootblock-y += cbfs_spi.c
+
+ramstage-y += cbfs_spi.c
+ramstage-y += fixup_fdt.c
+
+DTB=$(obj)/hifive-unmatched.dtb
+DTS=src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00.dts
+$(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-unmatched/board_info.txt b/src/mainboard/sifive/hifive-unmatched/board_info.txt
new file mode 100644
index 0000000000..e48ba2744e
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/board_info.txt
@@ -0,0 +1,6 @@
+Category: eval
+ROM package: SOIC-16
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: n
+Board URL: https://www.crowdsupply.com/sifive/hifive-unmatched
diff --git a/src/mainboard/sifive/hifive-unmatched/cbfs_spi.c b/src/mainboard/sifive/hifive-unmatched/cbfs_spi.c
new file mode 100644
index 0000000000..787d8e7af3
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/cbfs_spi.c
@@ -0,0 +1,173 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is basically drivers/spi/cbfs_spi.cb but the boot device is not known at build time
+ */
+
+#include <boot_device.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <device/mmio.h>
+#include <lib.h>
+#include <soc/addressmap.h>
+#include <soc/clock.h>
+#include <soc/spi.h>
+#include <spi_flash.h>
+#include <spi_sdcard.h>
+#include <stdint.h>
+#include <symbols.h>
+#include <timer.h>
+
+// There are two different means of accessing the SPI flash.
+// They are controlled by the fctrl register.
+// 1. memory mapped access
+// 2. FIFO based access
+
+/* follow is the FSBL boot device defined by ZSBL of sifive
+ * FSBL replaced by bootblock of coreboot
+ * MSEL_SPInx1 -> test if boot from memory-mapped on SPIn
+ * MSEL_SPInx4 -> test if boot from memory-mapped on QPIn
+ * MSEL_SPInSD -> test if boot from sdcard mount on SPIn */
+#define MSEL_SPI0x1(m) (((m) == 5) || ((m) == 14))
+#define MSEL_SPI0x4(m) (((m) == 6) || ((m) == 10) || ((m) == 15))
+#define MSEL_SPI1x1(m) ((m) == 12)
+#define MSEL_SPI1x4(m) (((m) == 7) || ((m) == 13))
+#define MSEL_SPI1SD(m) ((m) == 8)
+#define MSEL_SPI2x1(m) ((m) == 9)
+#define MSEL_SPI2SD(m) ((m) == 11)
+
+#define MSEL_ACCESS_METHOD_MMAP(m) ((m == 5) || (m == 6) || (m == 7) || (m == 10) || (m == 13))
+
+// probably something for devicetree
+struct fu740_spi_config fu740_spi_configs[] = {
+ { 0 },
+ {
+ .freq = 10*1000*1000,
+ },
+ { 0 },
+};
+
+static struct spi_sdcard spi2_sdcard; //TODO initialize SPI2
+//static struct spi_flash spi0_flash;
+//static struct spi_flash spi1_flash;
+static struct spi_flash spi_flash;
+static bool spi_flash_init_done;
+
+static ssize_t sd_readat(const struct region_device *rdev, void *dest,
+ size_t offset, size_t count)
+{
+ spi_sdcard_read(&spi2_sdcard, dest, offset, count);
+ return count;
+}
+
+static ssize_t spi_readat(const struct region_device *rd, void *b, size_t offset, size_t size)
+{
+ if (spi_flash_read(&spi_flash, offset, size, b))
+ return -1;
+ return size;
+}
+
+static ssize_t spi_writeat(const struct region_device *rd, const void *b,
+ size_t offset, size_t size)
+{
+ if (spi_flash_write(&spi_flash, offset, size, b))
+ return -1;
+ return size;
+}
+
+static ssize_t spi_eraseat(const struct region_device *rd, size_t offset, size_t size)
+{
+ if (spi_flash_erase(&spi_flash, offset, size))
+ return -1;
+ return size;
+}
+
+static const struct region_device_ops sd_ops = {
+ .mmap = mmap_helper_rdev_mmap,
+ .munmap = mmap_helper_rdev_munmap,
+ .readat = sd_readat,
+};
+
+static const struct region_device_ops spi_ops = {
+ .mmap = mmap_helper_rdev_mmap,
+ .munmap = mmap_helper_rdev_munmap,
+ .readat = spi_readat,
+ .writeat = spi_writeat,
+ .eraseat = spi_eraseat,
+};
+
+//TODO using postram cache means that all spi transitions are transferred to actual memory.
+// Native memory mapping obviously doesnt have that problem. That can however only happen if
+// memory has been initialized before accessing the boot device. So no CBFS access before boot.
+//static struct mem_pool mem_cbfs_cache =
+// MEM_POOL_INIT(_postram_cbfs_cache, REGION_SIZE(postram_cbfs_cache), CONFIG_CBFS_CACHE_ALIGN);
+//static struct mmap_helper_region_device spi_mdev =
+// MMAP_HELPER_DEV_INIT(&spi_ops, 0, CONFIG_ROM_SIZE, &mem_cbfs_cache);
+
+static struct mmap_helper_region_device spi_mdev =
+ MMAP_HELPER_DEV_INIT(&spi_ops, 0, CONFIG_ROM_SIZE, &cbfs_cache);
+
+static struct mmap_helper_region_device sd_mdev =
+ MMAP_HELPER_DEV_INIT(&sd_ops, 0, CONFIG_ROM_SIZE, &cbfs_cache);
+
+void boot_device_init(void)
+{
+ printk(BIOS_DEBUG, "%s 0\n", __func__);
+ if (spi_flash_init_done == true)
+ return;
+
+ uint32_t m = read32((uint32_t *)FU740_MSEL);
+ // Pass the information of the flash read operation to the spi controller
+ //.pad_cnt = 6,
+ if (MSEL_SPI0x4(m) || MSEL_SPI1x4(m)) {
+ //config.ffmt_config.data_proto = FU740_SPI_PROTO_Q;
+ //config.ffmt_config.cmd_code = 0x6B; // Quad output read
+ //.cmd_code = 0xec,
+ }
+ if (MSEL_SPI1x1(m)) {
+ printk(BIOS_DEBUG, "%s 1\n", __func__);
+ fu740_spi_configs[1].ffmt_config.data_proto = FU740_SPI_PROTO_S;
+ fu740_spi_configs[1].ffmt_config.cmd_code = 0x03; // Normal read
+ //TODO SPI1x1 is always using programmed IO (FIFO)? (memory map did not work...)
+ if (spi_flash_probe(1, 0, &spi_flash)) {
+ printk(BIOS_EMERG, "failed to init SPI flash\n");
+ return;
+ }
+ // initialize soc spi controller
+ //if (fu740_spi_setup(&spi1_flash.spi) == -1) {
+ // printk(BIOS_EMERG, "failed to configure mmap for SPI flash\n");
+ //}
+ //hexdump((void*)0x10041000, 0x100);
+ //hexdump((void*)0x30000000, 0x100);
+ printk(BIOS_DEBUG, "%s 2\n", __func__);
+ } else if (MSEL_SPI2SD(m)) {
+ spi_sdcard_init(&spi2_sdcard, 2, 0);
+ } else {
+ die("Wrong configuration of MSEL\n");
+ }
+
+ spi_flash_init_done = true;
+}
+
+/* Return the CBFS boot device. */
+const struct region_device *boot_device_ro(void)
+{
+ if (spi_flash_init_done != true)
+ return NULL;
+
+ uint32_t m = read32((uint32_t *)FU740_MSEL);
+
+ if (MSEL_SPI2SD(m) || MSEL_SPI1SD(m))
+ return &sd_mdev.rdev;
+ return &spi_mdev.rdev;
+}
+
+//const struct spi_flash *boot_device_spi_flash(void)
+//{
+// boot_device_init();
+//
+// if (spi_flash_init_done != true)
+// return NULL;
+//
+// return &spi_flash;
+//}
diff --git a/src/mainboard/sifive/hifive-unmatched/devicetree.cb b/src/mainboard/sifive/hifive-unmatched/devicetree.cb
new file mode 100644
index 0000000000..3d52b54c66
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/devicetree.cb
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+chip soc/sifive/fu740
+ device cpu_cluster 0 on end
+end
diff --git a/src/mainboard/sifive/hifive-unmatched/fixup_fdt.c b/src/mainboard/sifive/hifive-unmatched/fixup_fdt.c
new file mode 100644
index 0000000000..ed24ee36d7
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/fixup_fdt.c
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <console/console.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();
+ 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)
+{
+ printk(BIOS_DEBUG, "fix up FDT\n");
+
+ void *fdt_rom;
+ struct device_tree *tree;
+
+ /* load flat dt from cbfs */
+ fdt_rom = cbfs_map("fallback/DTB", NULL);
+
+ if (fdt_rom == NULL) {
+ printk(BIOS_ERR, "Unable to load fallback/DTB from CBFS\n");
+ return;
+ }
+
+ /* 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));
+
+ if (dt == NULL) {
+ printk(BIOS_ERR, "Unable to allocate memory for flat device tree\n");
+ return;
+ }
+
+ 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-unmatched/fu740-c000.dtsi b/src/mainboard/sifive/hifive-unmatched/fu740-c000.dtsi
new file mode 100644
index 0000000000..823240cab0
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/fu740-c000.dtsi
@@ -0,0 +1,363 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/dts-v1/;
+
+/ {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "sifive,fu740-c000", "sifive,fu740";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ ethernet0 = &eth0;
+ };
+
+ chosen {
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu0: cpu@0 {
+ compatible = "sifive,bullet0", "riscv";
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <128>;
+ i-cache-size = <16384>;
+ next-level-cache = <&ccache>;
+ reg = <0x0>;
+ riscv,isa = "rv64imac";
+ // the S7 core does not support Supervisor mode and has no FPU
+ status = "disabled";
+ cpu0_intc: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ cpu1: cpu@1 {
+ compatible = "sifive,bullet0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <40>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <128>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <40>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&ccache>;
+ reg = <0x1>;
+ riscv,isa = "rv64imafdc";
+ tlb-split;
+ cpu1_intc: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ cpu2: cpu@2 {
+ compatible = "sifive,bullet0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <40>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <128>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <40>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&ccache>;
+ reg = <0x2>;
+ riscv,isa = "rv64imafdc";
+ tlb-split;
+ cpu2_intc: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ cpu3: cpu@3 {
+ compatible = "sifive,bullet0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <40>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <128>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <40>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&ccache>;
+ reg = <0x3>;
+ riscv,isa = "rv64imafdc";
+ tlb-split;
+ cpu3_intc: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+ cpu4: cpu@4 {
+ compatible = "sifive,bullet0", "riscv";
+ d-cache-block-size = <64>;
+ d-cache-sets = <64>;
+ d-cache-size = <32768>;
+ d-tlb-sets = <1>;
+ d-tlb-size = <40>;
+ device_type = "cpu";
+ i-cache-block-size = <64>;
+ i-cache-sets = <128>;
+ i-cache-size = <32768>;
+ i-tlb-sets = <1>;
+ i-tlb-size = <40>;
+ mmu-type = "riscv,sv39";
+ next-level-cache = <&ccache>;
+ reg = <0x4>;
+ riscv,isa = "rv64imafdc";
+ tlb-split;
+ cpu4_intc: interrupt-controller {
+ #interrupt-cells = <1>;
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ };
+ };
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+
+ core1 {
+ cpu = <&cpu1>;
+ };
+
+ core2 {
+ cpu = <&cpu2>;
+ };
+
+ core3 {
+ cpu = <&cpu3>;
+ };
+
+ core4 {
+ cpu = <&cpu4>;
+ };
+ };
+ };
+ };
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "simple-bus";
+ ranges;
+ // clint is mainly used by openSBI and not the OS, since interrupts-extended currently only
+ // contains machine mode interrupts which the OS will ignore if not running in machine mode
+ clint: clint@2000000 {
+ compatible = "riscv,clint0";
+ //TODO Add RISCV_M_SOFT_IRQ and RISCV_M_TIME_IRQ macros for better readability
+ interrupts-extended = <&cpu0_intc 3 &cpu0_intc 7
+ &cpu1_intc 3 &cpu1_intc 7
+ &cpu2_intc 3 &cpu2_intc 7
+ &cpu3_intc 3 &cpu3_intc 7
+ &cpu4_intc 3 &cpu4_intc 7>;
+ reg = <0x0 0x2000000 0x0 0x10000>;
+ };
+ plic0: interrupt-controller@c000000 {
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ compatible = "sifive,fu540-c000-plic", "sifive,plic-1.0.0";
+ reg = <0x0 0xc000000 0x0 0x4000000>;
+ riscv,ndev = <69>;
+ interrupt-controller;
+ interrupts-extended =
+ <&cpu0_intc 0xffffffff>,
+ <&cpu1_intc 0xffffffff>, <&cpu1_intc 9>,
+ <&cpu2_intc 0xffffffff>, <&cpu2_intc 9>,
+ <&cpu3_intc 0xffffffff>, <&cpu3_intc 9>,
+ <&cpu4_intc 0xffffffff>, <&cpu4_intc 9>;
+ };
+ prci: clock-controller@10000000 {
+ compatible = "sifive,fu740-c000-prci";
+ reg = <0x0 0x10000000 0x0 0x1000>;
+ clocks = <&hfclk>, <&rtcclk>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+ uart0: serial@10010000 {
+ compatible = "sifive,fu740-c000-uart", "sifive,uart0";
+ reg = <0x0 0x10010000 0x0 0x1000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <39>;
+ clocks = <&prci 7>;
+ status = "disabled";
+ };
+ uart1: serial@10011000 {
+ compatible = "sifive,fu740-c000-uart", "sifive,uart0";
+ reg = <0x0 0x10011000 0x0 0x1000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <40>;
+ clocks = <&prci 7>;
+ status = "disabled";
+ };
+ i2c0: i2c@10030000 {
+ compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
+ reg = <0x0 0x10030000 0x0 0x1000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <52>;
+ clocks = <&prci 7>;
+ reg-shift = <2>;
+ reg-io-width = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ i2c1: i2c@10031000 {
+ compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
+ reg = <0x0 0x10031000 0x0 0x1000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <53>;
+ clocks = <&prci 7>;
+ reg-shift = <2>;
+ reg-io-width = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ qspi0: spi@10040000 {
+ compatible = "sifive,fu740-c000-spi", "sifive,spi0";
+ reg = <0x0 0x10040000 0x0 0x1000>,
+ <0x0 0x20000000 0x0 0x10000000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <41>;
+ clocks = <&prci 7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ qspi1: spi@10041000 {
+ compatible = "sifive,fu740-c000-spi", "sifive,spi0";
+ reg = <0x0 0x10041000 0x0 0x1000>,
+ <0x0 0x30000000 0x0 0x10000000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <42>;
+ clocks = <&prci 7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ spi0: spi@10050000 {
+ compatible = "sifive,fu740-c000-spi", "sifive,spi0";
+ reg = <0x0 0x10050000 0x0 0x1000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <43>;
+ clocks = <&prci 7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ eth0: ethernet@10090000 {
+ compatible = "sifive,fu540-c000-gem";
+ interrupt-parent = <&plic0>;
+ interrupts = <55>;
+ reg = <0x0 0x10090000 0x0 0x2000>,
+ <0x0 0x100a0000 0x0 0x1000>;
+ local-mac-address = [00 00 00 00 00 00];
+ clock-names = "pclk", "hclk";
+ clocks = <&prci 2>,
+ <&prci 2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ phandle = <0x13>; //TODO remove
+ };
+ pwm0: pwm@10020000 {
+ compatible = "sifive,fu740-c000-pwm", "sifive,pwm0";
+ reg = <0x0 0x10020000 0x0 0x1000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <44>, <45>, <46>, <47>;
+ clocks = <&prci 7>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+ pwm1: pwm@10021000 {
+ compatible = "sifive,fu740-c000-pwm", "sifive,pwm0";
+ reg = <0x0 0x10021000 0x0 0x1000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <48>, <49>, <50>, <51>;
+ clocks = <&prci 7>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+ ccache: cache-controller@2010000 {
+ compatible = "sifive,fu740-c000-ccache", "cache";
+ cache-block-size = <64>;
+ cache-level = <2>;
+ cache-sets = <2048>;
+ cache-size = <2097152>;
+ cache-unified;
+ interrupt-parent = <&plic0>;
+ interrupts = <19>, <21>, <22>, <20>;
+ reg = <0x0 0x2010000 0x0 0x1000>;
+ };
+ gpio: gpio@10060000 {
+ compatible = "sifive,fu740-c000-gpio", "sifive,gpio0";
+ interrupt-parent = <&plic0>;
+ interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>,
+ <30>, <31>, <32>, <33>, <34>, <35>, <36>,
+ <37>, <38>;
+ reg = <0x0 0x10060000 0x0 0x1000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&prci 7>;
+ status = "disabled";
+ };
+ pcie@e00000000 {
+ compatible = "sifive,fu740-pcie";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ reg = <0xe 0x00000000 0x0 0x80000000>,
+ <0xd 0xf0000000 0x0 0x10000000>,
+ <0x0 0x100d0000 0x0 0x1000>;
+ reg-names = "dbi", "config", "mgmt";
+ device_type = "pci";
+ dma-coherent;
+ bus-range = <0x0 0xff>;
+ //TODO
+ //ranges = <0x81000000 0x0 0x60080000 0x0 0x60080000 0x0 0x10000>, /* I/O */
+ // <0x82000000 0x0 0x60090000 0x0 0x60090000 0x0 0xff70000>, /* mem */
+ // <0x82000000 0x0 0x70000000 0x0 0x70000000 0x0 0x1000000>, /* mem */
+ // <0xc3000000 0x20 0x00000000 0x20 0x00000000 0x20 0x00000000>; /* mem prefetchable */
+ ranges = <0x81000000 0x00 0x60080000 0x00 0x60080000 0x00 0x10000 0x82000000 0x00 0x60090000 0x00 0x60090000 0x00 0xff70000 0x82000000 0x00 0x70000000 0x00 0x70000000 0x00 0x10000000 0xc3000000 0x20 0x00 0x20 0x00 0x20 0x00>;
+ num-lanes = <0x8>;
+ interrupts = <56>, <57>, <58>, <59>, <60>, <61>, <62>, <63>, <64>;
+ interrupt-names = "msi", "inta", "intb", "intc", "intd";
+ interrupt-parent = <&plic0>;
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ interrupt-map = <0x0 0x0 0x0 0x1 &plic0 57>,
+ <0x0 0x0 0x0 0x2 &plic0 58>,
+ <0x0 0x0 0x0 0x3 &plic0 59>,
+ <0x0 0x0 0x0 0x4 &plic0 60>;
+ clock-names = "pcie_aux";
+ clocks = <&prci 8>;
+ pwren-gpios = <&gpio 5 0>;
+ reset-gpios = <&gpio 8 0>;
+ resets = <&prci 4>;
+ status = "okay";
+ };
+ };
+};
diff --git a/src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00-mod.dts b/src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00-mod.dts
new file mode 100644
index 0000000000..715ec1bb4e
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00-mod.dts
@@ -0,0 +1,232 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/include/ "fu740-c000.dtsi"
+
+/ {
+ model = "SiFive HiFive Unmatched A00";
+ compatible = "sifive,hifive-unmatched-a00", "sifive,fu740-c000", "sifive,fu740";
+
+ cpus {
+ //TODO replace with CLOCK_FREQUENCY macro that is used in both code and here to have a single source of truth
+ timebase-frequency = <1000000>;
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x4 0x00000000>;
+ };
+
+ hfclk: hfclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <26000000>;
+ clock-output-names = "hfclk";
+ };
+
+ rtcclk: rtcclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <1000000>;
+ clock-output-names = "rtcclk";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+
+ temperature-sensor@4c {
+ compatible = "ti,tmp451";
+ reg = <0x4c>;
+ vcc-supply = <&vdd_bpro>;
+ interrupt-parent = <&gpio>;
+ interrupts = <6 8>;
+ };
+
+ eeprom@54 {
+ compatible = "microchip,24c02", "atmel,24c02";
+ reg = <0x54>;
+ label = "board-id";
+ vcc-supply = <0x10>;
+ pagesize = <16>;
+ read-only;
+ size = <256>;
+ };
+
+ pmic@58 {
+ compatible = "dlg,da9063";
+ reg = <0x58>;
+ interrupt-parent = <&gpio>;
+ interrupts = <1 8>;
+ interrupt-controller;
+
+ onkey {
+ compatible = "dlg,da9063-onkey";
+ };
+
+ rtc {
+ compatible = "dlg,da9063-rtc";
+ };
+
+ watchdog {
+ compatible = "dlg,da9063-watchdog";
+ };
+
+ regulators {
+ vdd_bcore: bcores-merged {
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-min-microamp = <4800000>;
+ regulator-max-microamp = <4800000>;
+ regulator-always-on;
+ };
+
+ vdd_bpro: bpro {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microamp = <2400000>;
+ regulator-max-microamp = <2400000>;
+ regulator-always-on;
+ };
+
+ vdd_bperi: bperi {
+ regulator-min-microvolt = <1060000>;
+ regulator-max-microvolt = <1060000>;
+ regulator-min-microamp = <1500000>;
+ regulator-max-microamp = <1500000>;
+ regulator-always-on;
+ };
+
+ vdd_bmem_bio: bmem-bio-merged {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-min-microamp = <3000000>;
+ regulator-max-microamp = <3000000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo1: ldo1 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo2: ldo2 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo3: ldo3 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo4: ldo4 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo5: ldo5 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo6: ldo6 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo7: ldo7 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo8: ldo8 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ld09: ldo9 {
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo10: ldo10 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo11: ldo11 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+ };
+ };
+
+};
+
+&qspi0 {
+ status = "okay";
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
+&spi0 {
+ status = "okay";
+ mmc@0 {
+ compatible = "mmc-spi-slot";
+ reg = <0>;
+ spi-max-frequency = <20000000>;
+ voltage-ranges = <3300 3300>;
+ disable-wp;
+ gpios = <0x11 0x0f 0x01>;
+ };
+};
+
+&eth0 {
+ status = "okay";
+ phy-mode = "gmii";
+ phy-handle = <&phy0>;
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+};
+
+&pwm0 {
+ status = "okay";
+};
+
+&pwm1 {
+ status = "okay";
+};
+
+&gpio {
+ status = "okay";
+ gpio-line-names = "J29.1", "PMICNTB", "PMICSHDN", "J8.1", "J8.3",
+ "PCIe_PWREN", "THERM", "UBRDG_RSTN", "PCIe_PERSTN",
+ "ULPI_RSTN", "J8.2", "UHUB_RSTN", "GEMGXL_RST", "J8.4",
+ "EN_VDD_SD", "SD_CD";
+};
diff --git a/src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00.dts b/src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00.dts
new file mode 100644
index 0000000000..715ec1bb4e
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/hifive-unmatched-a00.dts
@@ -0,0 +1,232 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/include/ "fu740-c000.dtsi"
+
+/ {
+ model = "SiFive HiFive Unmatched A00";
+ compatible = "sifive,hifive-unmatched-a00", "sifive,fu740-c000", "sifive,fu740";
+
+ cpus {
+ //TODO replace with CLOCK_FREQUENCY macro that is used in both code and here to have a single source of truth
+ timebase-frequency = <1000000>;
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x4 0x00000000>;
+ };
+
+ hfclk: hfclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <26000000>;
+ clock-output-names = "hfclk";
+ };
+
+ rtcclk: rtcclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <1000000>;
+ clock-output-names = "rtcclk";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+
+ temperature-sensor@4c {
+ compatible = "ti,tmp451";
+ reg = <0x4c>;
+ vcc-supply = <&vdd_bpro>;
+ interrupt-parent = <&gpio>;
+ interrupts = <6 8>;
+ };
+
+ eeprom@54 {
+ compatible = "microchip,24c02", "atmel,24c02";
+ reg = <0x54>;
+ label = "board-id";
+ vcc-supply = <0x10>;
+ pagesize = <16>;
+ read-only;
+ size = <256>;
+ };
+
+ pmic@58 {
+ compatible = "dlg,da9063";
+ reg = <0x58>;
+ interrupt-parent = <&gpio>;
+ interrupts = <1 8>;
+ interrupt-controller;
+
+ onkey {
+ compatible = "dlg,da9063-onkey";
+ };
+
+ rtc {
+ compatible = "dlg,da9063-rtc";
+ };
+
+ watchdog {
+ compatible = "dlg,da9063-watchdog";
+ };
+
+ regulators {
+ vdd_bcore: bcores-merged {
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-min-microamp = <4800000>;
+ regulator-max-microamp = <4800000>;
+ regulator-always-on;
+ };
+
+ vdd_bpro: bpro {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microamp = <2400000>;
+ regulator-max-microamp = <2400000>;
+ regulator-always-on;
+ };
+
+ vdd_bperi: bperi {
+ regulator-min-microvolt = <1060000>;
+ regulator-max-microvolt = <1060000>;
+ regulator-min-microamp = <1500000>;
+ regulator-max-microamp = <1500000>;
+ regulator-always-on;
+ };
+
+ vdd_bmem_bio: bmem-bio-merged {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-min-microamp = <3000000>;
+ regulator-max-microamp = <3000000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo1: ldo1 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo2: ldo2 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo3: ldo3 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo4: ldo4 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo5: ldo5 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo6: ldo6 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo7: ldo7 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo8: ldo8 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_ld09: ldo9 {
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo10: ldo10 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+
+ vdd_ldo11: ldo11 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+ };
+ };
+
+};
+
+&qspi0 {
+ status = "okay";
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
+&spi0 {
+ status = "okay";
+ mmc@0 {
+ compatible = "mmc-spi-slot";
+ reg = <0>;
+ spi-max-frequency = <20000000>;
+ voltage-ranges = <3300 3300>;
+ disable-wp;
+ gpios = <0x11 0x0f 0x01>;
+ };
+};
+
+&eth0 {
+ status = "okay";
+ phy-mode = "gmii";
+ phy-handle = <&phy0>;
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+};
+
+&pwm0 {
+ status = "okay";
+};
+
+&pwm1 {
+ status = "okay";
+};
+
+&gpio {
+ status = "okay";
+ gpio-line-names = "J29.1", "PMICNTB", "PMICSHDN", "J8.1", "J8.3",
+ "PCIe_PWREN", "THERM", "UBRDG_RSTN", "PCIe_PERSTN",
+ "ULPI_RSTN", "J8.2", "UHUB_RSTN", "GEMGXL_RST", "J8.4",
+ "EN_VDD_SD", "SD_CD";
+};
diff --git a/src/mainboard/sifive/hifive-unmatched/mainboard.c b/src/mainboard/sifive/hifive-unmatched/mainboard.c
new file mode 100644
index 0000000000..83a3096a7f
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/mainboard.c
@@ -0,0 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/device.h>
+
+struct chip_operations mainboard_ops = { };
diff --git a/src/mainboard/sifive/hifive-unmatched/romstage.c b/src/mainboard/sifive/hifive-unmatched/romstage.c
new file mode 100644
index 0000000000..a6a1c13d07
--- /dev/null
+++ b/src/mainboard/sifive/hifive-unmatched/romstage.c
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/encoding.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <program_loading.h>
+#include <romstage_common.h>
+#include <soc/addressmap.h>
+#include <soc/clock.h>
+#include <soc/sdram.h>
+
+void __noreturn romstage_main(void)
+{
+ write_csr(0x7c1, 0); // CSR_U74_FEATURE_DISABLE (enable all Features)
+
+ clock_init();
+
+ console_init();
+
+ sdram_init((u64)16*GiB);
+
+ cbmem_initialize_empty();
+
+ run_ramstage();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 00:27:10 +0000