Revert "mb/sifive: Add Hifive Unmatched mainboard"

This reverts commit e26bcaefbeb1d64cf2a78ad54e0f6ad4affab086.

Reason for revert: Patch submitted out of order.

Change-Id: I71c024b13411c4e0c9b4d6358f9cd31c57bbbfe2
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80943
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
This commit is contained in:
Martin L Roth 2024-03-02 17:33:49 +00:00
parent e26bcaefbe
commit ec7b480760
12 changed files with 0 additions and 1189 deletions

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# 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

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config BOARD_SIFIVE_HIFIVE_UNMATCHED
bool "HiFive Unmatched"

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# 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

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@ -1,6 +0,0 @@
Category: eval
ROM package: SOIC-16
ROM protocol: SPI
ROM socketed: n
Flashrom support: n
Board URL: https://www.crowdsupply.com/sifive/hifive-unmatched

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@ -1,173 +0,0 @@
/* 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;
//}

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# SPDX-License-Identifier: GPL-2.0-only
chip soc/sifive/fu740
device cpu_cluster 0 on end
end

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/* 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);

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/* 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";
};
};
};

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@ -1,232 +0,0 @@
/* 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";
};

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@ -1,232 +0,0 @@
/* 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";
};

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/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/device.h>
struct chip_operations mainboard_ops = { };

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/* 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();
}