board: sifive: add HiFive Unmatched board support
Add defconfig and board support for HiFive Unmatched.
Signed-off-by: Green Wan <green.wan@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
diff --git a/board/sifive/unleashed/Kconfig b/board/sifive/unleashed/Kconfig
index 502916e..b3b4342 100644
--- a/board/sifive/unleashed/Kconfig
+++ b/board/sifive/unleashed/Kconfig
@@ -28,6 +28,7 @@
select SIFIVE_FU540
select ENV_IS_IN_SPI_FLASH
select BINMAN
+ select RESET_SIFIVE
imply CMD_DHCP
imply CMD_EXT2
imply CMD_EXT4
diff --git a/board/sifive/unmatched/Kconfig b/board/sifive/unmatched/Kconfig
new file mode 100644
index 0000000..88b5883
--- /dev/null
+++ b/board/sifive/unmatched/Kconfig
@@ -0,0 +1,51 @@
+if TARGET_SIFIVE_UNMATCHED
+
+config SYS_BOARD
+ default "unmatched"
+
+config SYS_VENDOR
+ default "sifive"
+
+config SYS_CPU
+ default "fu740"
+
+config SYS_CONFIG_NAME
+ default "sifive-unmatched"
+
+config SYS_TEXT_BASE
+ default 0x80200000 if SPL
+ default 0x80000000 if !RISCV_SMODE
+ default 0x80200000 if RISCV_SMODE
+
+config SPL_TEXT_BASE
+ default 0x08000000
+
+config SPL_OPENSBI_LOAD_ADDR
+ default 0x80000000
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+ def_bool y
+ select SIFIVE_FU740
+ select SUPPORT_SPL
+ select RESET_SIFIVE
+ select BINMAN
+ imply CMD_DHCP
+ imply CMD_EXT2
+ imply CMD_EXT4
+ imply CMD_FAT
+ imply CMD_FS_GENERIC
+ imply CMD_GPT
+ imply PARTITION_TYPE_GUID
+ imply CMD_NET
+ imply CMD_PING
+ imply CMD_SF
+ imply DOS_PARTITION
+ imply EFI_PARTITION
+ imply IP_DYN
+ imply ISO_PARTITION
+ imply PHY_LIB
+ imply PHY_MSCC
+ imply SYSRESET
+ imply SYSRESET_GPIO
+
+endif
diff --git a/board/sifive/unmatched/MAINTAINERS b/board/sifive/unmatched/MAINTAINERS
new file mode 100644
index 0000000..94c9510
--- /dev/null
+++ b/board/sifive/unmatched/MAINTAINERS
@@ -0,0 +1,9 @@
+SiFive HiFive Unmatched FU740 BOARD
+M: Paul Walmsley <paul.walmsley@sifive.com>
+M: Pragnesh Patel <pragnesh.patel@sifive.com>
+M: Green Wan <green.wan@sifive.com>
+S: Maintained
+F: board/sifive/unmatched/
+F: doc/board/sifive/hifive-unmatched-fu740.rst
+F: include/configs/sifive-unmatched.h
+F: configs/sifive_unmatched_defconfig
diff --git a/board/sifive/unmatched/Makefile b/board/sifive/unmatched/Makefile
new file mode 100644
index 0000000..6308c80
--- /dev/null
+++ b/board/sifive/unmatched/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (c) 2020-2021 SiFive, Inc
+
+obj-y += unmatched.o
+
+ifdef CONFIG_SPL_BUILD
+obj-y += spl.o
+endif
diff --git a/board/sifive/unmatched/spl.c b/board/sifive/unmatched/spl.c
new file mode 100644
index 0000000..5e1333b
--- /dev/null
+++ b/board/sifive/unmatched/spl.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2020-2021 SiFive, Inc
+ *
+ * Authors:
+ * Pragnesh Patel <pragnesh.patel@sifive.com>
+ */
+
+#include <init.h>
+#include <spl.h>
+#include <misc.h>
+#include <log.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <asm/gpio.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/spl.h>
+
+#define GEM_PHY_RESET SIFIVE_GENERIC_GPIO_NR(0, 12)
+
+#define MODE_SELECT_REG 0x1000
+#define MODE_SELECT_SD 0xb
+#define MODE_SELECT_MASK GENMASK(3, 0)
+
+int spl_board_init_f(void)
+{
+ int ret;
+
+ ret = spl_soc_init();
+ if (ret) {
+ debug("HiFive Unmatched FU740 SPL init failed: %d\n", ret);
+ return ret;
+ }
+
+ /*
+ * GEMGXL init VSC8541 PHY reset sequence;
+ * leave pull-down active for 2ms
+ */
+ udelay(2000);
+ ret = gpio_request(GEM_PHY_RESET, "gem_phy_reset");
+ if (ret) {
+ debug("gem_phy_reset gpio request failed: %d\n", ret);
+ return ret;
+ }
+
+ /* Set GPIO 12 (PHY NRESET) */
+ ret = gpio_direction_output(GEM_PHY_RESET, 1);
+ if (ret) {
+ debug("gem_phy_reset gpio direction set failed: %d\n", ret);
+ return ret;
+ }
+
+ udelay(1);
+
+ /* Reset PHY again to enter unmanaged mode */
+ gpio_set_value(GEM_PHY_RESET, 0);
+ udelay(1);
+ gpio_set_value(GEM_PHY_RESET, 1);
+ mdelay(15);
+
+ return 0;
+}
+
+u32 spl_boot_device(void)
+{
+ u32 mode_select = readl((void *)MODE_SELECT_REG);
+ u32 boot_device = mode_select & MODE_SELECT_MASK;
+
+ switch (boot_device) {
+ case MODE_SELECT_SD:
+ return BOOT_DEVICE_MMC1;
+ default:
+ debug("Unsupported boot device 0x%x but trying MMC1\n",
+ boot_device);
+ return BOOT_DEVICE_MMC1;
+ }
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ /* boot using first FIT config */
+ return 0;
+}
+#endif
diff --git a/board/sifive/unmatched/unmatched.c b/board/sifive/unmatched/unmatched.c
new file mode 100644
index 0000000..6d60559
--- /dev/null
+++ b/board/sifive/unmatched/unmatched.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2020-2021, SiFive Inc
+ *
+ * Authors:
+ * Pragnesh Patel <pragnesh.patel@sifive.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/arch/cache.h>
+
+int board_init(void)
+{
+ int ret;
+
+ /* enable all cache ways */
+ ret = cache_enable_ways();
+ if (ret) {
+ debug("%s: could not enable cache ways\n", __func__);
+ return ret;
+ }
+ return 0;
+}