From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
roms/u-boot/board/mscc/ocelot/Kconfig | 14 ++++
roms/u-boot/board/mscc/ocelot/Makefile | 4 ++
roms/u-boot/board/mscc/ocelot/ocelot.c | 125 +++++++++++++++++++++++++++++++++
3 files changed, 143 insertions(+)
create mode 100644 roms/u-boot/board/mscc/ocelot/Kconfig
create mode 100644 roms/u-boot/board/mscc/ocelot/Makefile
create mode 100644 roms/u-boot/board/mscc/ocelot/ocelot.c
(limited to 'roms/u-boot/board/mscc/ocelot')
diff --git a/roms/u-boot/board/mscc/ocelot/Kconfig b/roms/u-boot/board/mscc/ocelot/Kconfig
new file mode 100644
index 000000000..9ddc0880b
--- /dev/null
+++ b/roms/u-boot/board/mscc/ocelot/Kconfig
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+config SYS_VENDOR
+ default "mscc"
+
+if SOC_OCELOT
+
+config SYS_BOARD
+ default "ocelot"
+
+config SYS_CONFIG_NAME
+ default "ocelot"
+
+endif
diff --git a/roms/u-boot/board/mscc/ocelot/Makefile b/roms/u-boot/board/mscc/ocelot/Makefile
new file mode 100644
index 000000000..9f28c8126
--- /dev/null
+++ b/roms/u-boot/board/mscc/ocelot/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+obj-$(CONFIG_SOC_OCELOT) := ocelot.o
+
diff --git a/roms/u-boot/board/mscc/ocelot/ocelot.c b/roms/u-boot/board/mscc/ocelot/ocelot.c
new file mode 100644
index 000000000..c462890bb
--- /dev/null
+++ b/roms/u-boot/board/mscc/ocelot/ocelot.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#include <common.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/addrspace.h>
+#include <asm/types.h>
+#include <spi.h>
+#include <led.h>
+#include <wait_bit.h>
+#include <miiphy.h>
+#include <linux/bitops.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+ BOARD_TYPE_PCB120 = 0xAABBCC00,
+ BOARD_TYPE_PCB123,
+};
+
+void mscc_switch_reset(bool enter)
+{
+ /* Nasty workaround to avoid GPIO19 (DDR!) being reset */
+ mscc_gpio_set_alternate(19, 2);
+
+ debug("applying SwC reset\n");
+
+ writel(ICPU_RESET_CORE_RST_PROTECT, BASE_CFG + ICPU_RESET);
+ writel(PERF_SOFT_RST_SOFT_CHIP_RST, BASE_DEVCPU_GCB + PERF_SOFT_RST);
+
+ if (wait_for_bit_le32(BASE_DEVCPU_GCB + PERF_SOFT_RST,
+ PERF_SOFT_RST_SOFT_CHIP_RST, false, 5000, false))
+ pr_err("Tiemout while waiting for switch reset\n");
+
+ /*
+ * Reset GPIO19 mode back as regular GPIO, output, high (DDR
+ * not reset) (Order is important)
+ */
+ setbits_le32(BASE_DEVCPU_GCB + PERF_GPIO_OE, BIT(19));
+ writel(BIT(19), BASE_DEVCPU_GCB + PERF_GPIO_OUT_SET);
+ mscc_gpio_set_alternate(19, 0);
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+ if (gd->board_type == BOARD_TYPE_PCB123)
+ return 0;
+
+ phy_write(phydev, 0, 31, 0x10);
+ phy_write(phydev, 0, 18, 0x80F0);
+ while (phy_read(phydev, 0, 18) & 0x8000)
+ ;
+ phy_write(phydev, 0, 31, 0);
+
+ return 0;
+}
+
+void board_debug_uart_init(void)
+{
+ /* too early for the pinctrl driver, so configure the UART pins here */
+ mscc_gpio_set_alternate(6, 1);
+ mscc_gpio_set_alternate(7, 1);
+}
+
+int board_early_init_r(void)
+{
+ /* Prepare SPI controller to be used in master mode */
+ writel(0, BASE_CFG + ICPU_SW_MODE);
+ clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL,
+ ICPU_GENERAL_CTRL_IF_SI_OWNER_M,
+ ICPU_GENERAL_CTRL_IF_SI_OWNER(2));
+
+ /* Address of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE;
+
+ /* LED setup */
+ if (IS_ENABLED(CONFIG_LED))
+ led_default_state();
+
+ return 0;
+}
+
+static void do_board_detect(void)
+{
+ u16 dummy = 0;
+
+ /* Enable MIIM */
+ mscc_gpio_set_alternate(14, 1);
+ mscc_gpio_set_alternate(15, 1);
+ if (mscc_phy_rd(1, 0, 0, &dummy) == 0)
+ gd->board_type = BOARD_TYPE_PCB120;
+ else
+ gd->board_type = BOARD_TYPE_PCB123;
+}
+
+#if defined(CONFIG_MULTI_DTB_FIT)
+int board_fit_config_name_match(const char *name)
+{
+ if (gd->board_type == BOARD_TYPE_PCB120 &&
+ strcmp(name, "ocelot_pcb120") == 0)
+ return 0;
+
+ if (gd->board_type == BOARD_TYPE_PCB123 &&
+ strcmp(name, "ocelot_pcb123") == 0)
+ return 0;
+
+ return -1;
+}
+#endif
+
+#if defined(CONFIG_DTB_RESELECT)
+int embedded_dtb_select(void)
+{
+ do_board_detect();
+ fdtdec_setup();
+
+ return 0;
+}
+#endif
--
cgit