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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/hisilicon/poplar/poplar.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/hisilicon/poplar/poplar.c')
-rw-r--r--roms/u-boot/board/hisilicon/poplar/poplar.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/roms/u-boot/board/hisilicon/poplar/poplar.c b/roms/u-boot/board/hisilicon/poplar/poplar.c
new file mode 100644
index 000000000..6cc79d96a
--- /dev/null
+++ b/roms/u-boot/board/hisilicon/poplar/poplar.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2017 Linaro
+ * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <dm.h>
+#include <init.h>
+#include <asm/cache.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <dm/platform_data/serial_pl01x.h>
+#include <asm/arch/hi3798cv200.h>
+#include <asm/armv8/mmu.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct mm_region poplar_mem_map[] = {
+ {
+ .virt = 0x0UL,
+ .phys = 0x0UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0x80000000UL,
+ .phys = 0x80000000UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ 0,
+ }
+};
+
+struct mm_region *mem_map = poplar_mem_map;
+
+#if !CONFIG_IS_ENABLED(OF_CONTROL)
+static const struct pl01x_serial_plat serial_plat = {
+ .base = REG_BASE_UART0,
+ .type = TYPE_PL010,
+ .clock = 75000000,
+};
+
+U_BOOT_DRVINFO(poplar_serial) = {
+ .name = "serial_pl01x",
+ .plat = &serial_plat,
+};
+#endif
+
+int checkboard(void)
+{
+ puts("BOARD: Hisilicon HI3798cv200 Poplar\n");
+
+ return 0;
+}
+
+void reset_cpu(void)
+{
+ psci_system_reset();
+}
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size(NULL, 0x80000000);
+
+ return 0;
+}
+
+/*
+ * Some linux kernel versions don't use memory before its load address, so to
+ * be generic we just pretend it isn't there. In previous uboot versions we
+ * carved the space used by BL31 (runs in DDR on this platfomr) so the PSCI code
+ * could persist in memory and be left alone by the kernel.
+ *
+ * That led to a problem when mapping memory in older kernels. That PSCI code
+ * now lies in memory below the kernel load offset; it therefore won't be
+ * touched by the kernel, and by not specially reserving it we avoid the mapping
+ * problem as well.
+ *
+ */
+#define KERNEL_TEXT_OFFSET 0x00080000
+
+int dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = KERNEL_TEXT_OFFSET;
+ gd->bd->bi_dram[0].size = gd->ram_size - gd->bd->bi_dram[0].start;
+
+ return 0;
+}
+
+static void usb2_phy_config(void)
+{
+ const u32 config[] = {
+ /* close EOP pre-emphasis. open data pre-emphasis */
+ 0xa1001c,
+ /* Rcomp = 150mW, increase DC level */
+ 0xa00607,
+ /* keep Rcomp working */
+ 0xa10700,
+ /* Icomp = 212mW, increase current drive */
+ 0xa00aab,
+ /* EMI fix: rx_active not stay 1 when error packets received */
+ 0xa11140,
+ /* Comp mode select */
+ 0xa11041,
+ /* adjust eye diagram */
+ 0xa0098c,
+ /* adjust eye diagram */
+ 0xa10a0a,
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(config); i++) {
+ writel(config[i], PERI_CTRL_USB0);
+ clrsetbits_le32(PERI_CTRL_USB0, BIT(21), BIT(20) | BIT(22));
+ udelay(20);
+ }
+}
+
+static void usb2_phy_init(void)
+{
+ /* reset usb2 controller bus/utmi/roothub */
+ setbits_le32(PERI_CRG46, USB2_BUS_SRST_REQ | USB2_UTMI0_SRST_REQ |
+ USB2_HST_PHY_SYST_REQ | USB2_OTG_PHY_SYST_REQ);
+ udelay(200);
+
+ /* reset usb2 phy por/utmi */
+ setbits_le32(PERI_CRG47, USB2_PHY01_SRST_REQ | USB2_PHY01_SRST_TREQ1);
+ udelay(200);
+
+ /* open usb2 ref clk */
+ setbits_le32(PERI_CRG47, USB2_PHY01_REF_CKEN);
+ udelay(300);
+
+ /* cancel usb2 power on reset */
+ clrbits_le32(PERI_CRG47, USB2_PHY01_SRST_REQ);
+ udelay(500);
+
+ usb2_phy_config();
+
+ /* cancel usb2 port reset, wait comp circuit stable */
+ clrbits_le32(PERI_CRG47, USB2_PHY01_SRST_TREQ1);
+ mdelay(10);
+
+ /* open usb2 controller clk */
+ setbits_le32(PERI_CRG46, USB2_BUS_CKEN | USB2_OHCI48M_CKEN |
+ USB2_OHCI12M_CKEN | USB2_OTG_UTMI_CKEN |
+ USB2_HST_PHY_CKEN | USB2_UTMI0_CKEN);
+ udelay(200);
+
+ /* cancel usb2 control reset */
+ clrbits_le32(PERI_CRG46, USB2_BUS_SRST_REQ | USB2_UTMI0_SRST_REQ |
+ USB2_HST_PHY_SYST_REQ | USB2_OTG_PHY_SYST_REQ);
+ udelay(200);
+}
+
+#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
+#include <env.h>
+#include <usb.h>
+#include <usb/dwc2_udc.h>
+#include <g_dnl.h>
+
+static struct dwc2_plat_otg_data poplar_otg_data = {
+ .regs_otg = HIOTG_BASE_ADDR
+};
+
+static void set_usb_to_device(void)
+{
+ setbits_le32(PERI_CTRL_USB3, USB2_2P_CHIPID);
+}
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+ set_usb_to_device();
+ return dwc2_udc_probe(&poplar_otg_data);
+}
+
+int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
+{
+ if (!env_get("serial#"))
+ g_dnl_set_serialnumber("0123456789POPLAR");
+ return 0;
+}
+#endif
+
+int board_init(void)
+{
+ usb2_phy_init();
+
+ return 0;
+}
+