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/arch/arm/mach-meson/board-gx.c | 241 +++++++++++++++++++++++++++++
1 file changed, 241 insertions(+)
create mode 100644 roms/u-boot/arch/arm/mach-meson/board-gx.c
(limited to 'roms/u-boot/arch/arm/mach-meson/board-gx.c')
diff --git a/roms/u-boot/arch/arm/mach-meson/board-gx.c b/roms/u-boot/arch/arm/mach-meson/board-gx.c
new file mode 100644
index 000000000..01fafd81c
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-meson/board-gx.c
@@ -0,0 +1,241 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ * (C) Copyright 2018 Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <net.h>
+#include <asm/arch/boot.h>
+#include <asm/arch/eth.h>
+#include <asm/arch/gx.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/meson-vpu.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/armv8/mmu.h>
+#include <linux/sizes.h>
+#include <usb.h>
+#include <linux/usb/otg.h>
+#include <asm/arch/usb-gx.h>
+#include <usb/dwc2_udc.h>
+#include <clk.h>
+#include <phy.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int meson_get_boot_device(void)
+{
+ return readl(GX_AO_SEC_GP_CFG0) & GX_AO_BOOT_DEVICE;
+}
+
+/* Configure the reserved memory zones exported by the secure registers
+ * into EFI and DTB reserved memory entries.
+ */
+void meson_init_reserved_memory(void *fdt)
+{
+ u64 bl31_size, bl31_start;
+ u64 bl32_size, bl32_start;
+ u32 reg;
+
+ /*
+ * Get ARM Trusted Firmware reserved memory zones in :
+ * - AO_SEC_GP_CFG3: bl32 & bl31 size in KiB, can be 0
+ * - AO_SEC_GP_CFG5: bl31 physical start address, can be NULL
+ * - AO_SEC_GP_CFG4: bl32 physical start address, can be NULL
+ */
+ reg = readl(GX_AO_SEC_GP_CFG3);
+
+ bl31_size = ((reg & GX_AO_BL31_RSVMEM_SIZE_MASK)
+ >> GX_AO_BL31_RSVMEM_SIZE_SHIFT) * SZ_1K;
+ bl32_size = (reg & GX_AO_BL32_RSVMEM_SIZE_MASK) * SZ_1K;
+
+ bl31_start = readl(GX_AO_SEC_GP_CFG5);
+ bl32_start = readl(GX_AO_SEC_GP_CFG4);
+
+ /*
+ * Early Meson GX Firmware revisions did not provide the reserved
+ * memory zones in the registers, keep fixed memory zone handling.
+ */
+ if (IS_ENABLED(CONFIG_MESON_GX) &&
+ !reg && !bl31_start && !bl32_start) {
+ bl31_start = 0x10000000;
+ bl31_size = 0x200000;
+ }
+
+ /* Add first 16MiB reserved zone */
+ meson_board_add_reserved_memory(fdt, 0, GX_FIRMWARE_MEM_SIZE);
+
+ /* Add BL31 reserved zone */
+ if (bl31_start && bl31_size)
+ meson_board_add_reserved_memory(fdt, bl31_start, bl31_size);
+
+ /* Add BL32 reserved zone */
+ if (bl32_start && bl32_size)
+ meson_board_add_reserved_memory(fdt, bl32_start, bl32_size);
+
+#if defined(CONFIG_VIDEO_MESON)
+ meson_vpu_rsv_fb(fdt);
+#endif
+}
+
+phys_size_t get_effective_memsize(void)
+{
+ /* Size is reported in MiB, convert it in bytes */
+ return ((readl(GX_AO_SEC_GP_CFG0) & GX_AO_MEM_SIZE_MASK)
+ >> GX_AO_MEM_SIZE_SHIFT) * SZ_1M;
+}
+
+static struct mm_region gx_mem_map[] = {
+ {
+ .virt = 0x0UL,
+ .phys = 0x0UL,
+ .size = 0xc0000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0xc0000000UL,
+ .phys = 0xc0000000UL,
+ .size = 0x30000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+
+struct mm_region *mem_map = gx_mem_map;
+
+#if CONFIG_IS_ENABLED(USB_DWC3_MESON_GXL) && \
+ CONFIG_IS_ENABLED(USB_GADGET_DWC2_OTG)
+static struct dwc2_plat_otg_data meson_gx_dwc2_data;
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+ struct fdtdec_phandle_args args;
+ const void *blob = gd->fdt_blob;
+ int node, dwc2_node;
+ struct udevice *dev, *clk_dev;
+ struct clk clk;
+ int ret;
+
+ /* find the usb glue node */
+ node = fdt_node_offset_by_compatible(blob, -1,
+ "amlogic,meson-gxl-usb-ctrl");
+ if (node < 0) {
+ node = fdt_node_offset_by_compatible(blob, -1,
+ "amlogic,meson-gxm-usb-ctrl");
+ if (node < 0) {
+ debug("Not found usb-control node\n");
+ return -ENODEV;
+ }
+ }
+
+ if (!fdtdec_get_is_enabled(blob, node)) {
+ debug("usb is disabled in the device tree\n");
+ return -ENODEV;
+ }
+
+ ret = uclass_get_device_by_of_offset(UCLASS_SIMPLE_BUS, node, &dev);
+ if (ret) {
+ debug("Not found usb-control device\n");
+ return ret;
+ }
+
+ /* find the dwc2 node */
+ dwc2_node = fdt_node_offset_by_compatible(blob, node,
+ "amlogic,meson-g12a-usb");
+ if (dwc2_node < 0) {
+ debug("Not found dwc2 node\n");
+ return -ENODEV;
+ }
+
+ if (!fdtdec_get_is_enabled(blob, dwc2_node)) {
+ debug("dwc2 is disabled in the device tree\n");
+ return -ENODEV;
+ }
+
+ meson_gx_dwc2_data.regs_otg = fdtdec_get_addr(blob, dwc2_node, "reg");
+ if (meson_gx_dwc2_data.regs_otg == FDT_ADDR_T_NONE) {
+ debug("usbotg: can't get base address\n");
+ return -ENODATA;
+ }
+
+ /* Enable clock */
+ ret = fdtdec_parse_phandle_with_args(blob, dwc2_node, "clocks",
+ "#clock-cells", 0, 0, &args);
+ if (ret) {
+ debug("usbotg has no clocks defined in the device tree\n");
+ return ret;
+ }
+
+ ret = uclass_get_device_by_of_offset(UCLASS_CLK, args.node, &clk_dev);
+ if (ret)
+ return ret;
+
+ if (args.args_count != 1) {
+ debug("Can't find clock ID in the device tree\n");
+ return -ENODATA;
+ }
+
+ clk.dev = clk_dev;
+ clk.id = args.args[0];
+
+ ret = clk_enable(&clk);
+ if (ret) {
+ debug("Failed to enable usbotg clock\n");
+ return ret;
+ }
+
+ meson_gx_dwc2_data.rx_fifo_sz = fdtdec_get_int(blob, dwc2_node,
+ "g-rx-fifo-size", 0);
+ meson_gx_dwc2_data.np_tx_fifo_sz = fdtdec_get_int(blob, dwc2_node,
+ "g-np-tx-fifo-size", 0);
+ meson_gx_dwc2_data.tx_fifo_sz = fdtdec_get_int(blob, dwc2_node,
+ "g-tx-fifo-size", 0);
+
+ /* Switch to peripheral mode */
+ ret = dwc3_meson_gxl_force_mode(dev, USB_DR_MODE_PERIPHERAL);
+ if (ret)
+ return ret;
+
+ return dwc2_udc_probe(&meson_gx_dwc2_data);
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+ const void *blob = gd->fdt_blob;
+ struct udevice *dev;
+ int node;
+ int ret;
+
+ /* find the usb glue node */
+ node = fdt_node_offset_by_compatible(blob, -1,
+ "amlogic,meson-gxl-usb-ctrl");
+ if (node < 0) {
+ node = fdt_node_offset_by_compatible(blob, -1,
+ "amlogic,meson-gxm-usb-ctrl");
+ if (node < 0) {
+ debug("Not found usb-control node\n");
+ return -ENODEV;
+ }
+ }
+
+ if (!fdtdec_get_is_enabled(blob, node))
+ return -ENODEV;
+
+ ret = uclass_get_device_by_of_offset(UCLASS_SIMPLE_BUS, node, &dev);
+ if (ret)
+ return ret;
+
+ /* Switch to OTG mode */
+ ret = dwc3_meson_gxl_force_mode(dev, USB_DR_MODE_HOST);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+#endif
--
cgit