arm64: versal2: Add support for AMD Versal Gen 2
Add support for AMD Versal Gen 2. SoC is based on Cortex-a78ae 4 cluster/2
cpu core each. A lot of IPs are shared with previous families. There are
couple of new IP blocks where the most interesting from user point of view
is UFS.
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/bc2b70831ce1031bd0fac32357bff84936e1310f.1716994063.git.michal.simek@amd.com
diff --git a/arch/arm/mach-versal2/include/mach/hardware.h b/arch/arm/mach-versal2/include/mach/hardware.h
new file mode 100644
index 0000000..42e3061
--- /dev/null
+++ b/arch/arm/mach-versal2/include/mach/hardware.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2016 - 2022, Xilinx, Inc.
+ * Copyright (C) 2022 - 2024, Advanced Micro Devices, Inc.
+ */
+
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+
+struct crlapb_regs {
+ u32 reserved0[67];
+ u32 cpu_r5_ctrl;
+ u32 reserved;
+ u32 iou_switch_ctrl; /* 0x114 */
+ u32 reserved1[13];
+ u32 timestamp_ref_ctrl; /* 0x14c */
+ u32 reserved3[108];
+ u32 rst_cpu_r5;
+ u32 reserved2[17];
+ u32 rst_timestamp; /* 0x348 */
+};
+
+struct iou_scntrs_regs {
+ u32 counter_control_register; /* 0x0 */
+ u32 reserved0[7];
+ u32 base_frequency_id_register; /* 0x20 */
+};
+
+struct crp_regs {
+ u32 reserved0[128];
+ u32 boot_mode_usr; /* 0x200 */
+};
+
+#define VERSAL2_CRL_APB_BASEADDR 0xEB5E0000
+#define VERSAL2_CRP_BASEADDR 0xF1260000
+#define VERSAL2_IOU_SCNTR_SECURE 0xEC920000
+
+#define CRL_APB_TIMESTAMP_REF_CTRL_CLKACT_BIT BIT(25)
+#define IOU_SWITCH_CTRL_CLKACT_BIT BIT(25)
+#define IOU_SWITCH_CTRL_DIVISOR0_SHIFT 8
+#define IOU_SCNTRS_CONTROL_EN 1
+
+#define crlapb_base ((struct crlapb_regs *)VERSAL2_CRL_APB_BASEADDR)
+#define crp_base ((struct crp_regs *)VERSAL2_CRP_BASEADDR)
+#define iou_scntr_secure ((struct iou_scntrs_regs *)VERSAL2_IOU_SCNTR_SECURE)
+
+#define PMC_TAP 0xF11A0000
+
+#define PMC_TAP_IDCODE (PMC_TAP + 0)
+#define PMC_TAP_VERSION (PMC_TAP + 0x4)
+# define PMC_VERSION_MASK GENMASK(7, 0)
+# define PS_VERSION_MASK GENMASK(15, 8)
+# define PS_VERSION_PRODUCTION 0x20
+# define RTL_VERSION_MASK GENMASK(23, 16)
+# define PLATFORM_MASK GENMASK(27, 24)
+# define PLATFORM_VERSION_MASK GENMASK(31, 28)
+#define PMC_TAP_USERCODE (PMC_TAP + 0x8)
+
+/* Bootmode setting values */
+#define BOOT_MODES_MASK 0x0000000F
+#define QSPI_MODE_24BIT 0x00000001
+#define QSPI_MODE_32BIT 0x00000002
+#define SD_MODE 0x00000003 /* sd 0 */
+#define SD_MODE1 0x00000005 /* sd 1 */
+#define EMMC_MODE 0x00000006
+#define USB_MODE 0x00000007
+#define OSPI_MODE 0x00000008
+#define SELECTMAP_MODE 0x0000000A
+#define SD1_LSHFT_MODE 0x0000000E /* SD1 Level shifter */
+#define JTAG_MODE 0x00000000
+#define BOOT_MODE_USE_ALT 0x100
+#define BOOT_MODE_ALT_SHIFT 12
+
+enum versal2_platform {
+ VERSAL2_SILICON = 0,
+ VERSAL2_SPP = 1,
+ VERSAL2_EMU = 2,
+ VERSAL2_QEMU = 3,
+ VERSAL2_SPP_MMD = 5,
+ VERSAL2_EMU_MMD = 6,
+};
+
+#define VERSAL2_SLCR_BASEADDR 0xF1060000
+#define VERSAL_AXI_MUX_SEL (VERSAL2_SLCR_BASEADDR + 0x504)
+#define VERSAL_OSPI_LINEAR_MODE BIT(1)
+
+#define FLASH_RESET_GPIO 0xc
+#define WPROT_CRP 0xF126001C
+#define RST_GPIO 0xF1260318
+#define WPROT_LPD_MIO 0xFF080728
+#define WPROT_PMC_MIO 0xF1060828
+#define BOOT_MODE_DIR 0xF1020204
+#define BOOT_MODE_OUT 0xF1020208
+#define MIO_PIN_12 0xF1060030
+#define BANK0_OUTPUT 0xF1020040
+#define BANK0_TRI 0xF1060200
diff --git a/arch/arm/mach-versal2/include/mach/sys_proto.h b/arch/arm/mach-versal2/include/mach/sys_proto.h
new file mode 100644
index 0000000..7b1726a
--- /dev/null
+++ b/arch/arm/mach-versal2/include/mach/sys_proto.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 - 2022, Xilinx, Inc.
+ * Copyright (C) 2022 - 2024, Advanced Micro Devices, Inc.
+ */
+
+#include <linux/build_bug.h>
+
+void mem_map_fill(void);