arm64: Add Xilinx ZynqMP support
authorMichal Simek <michal.simek@xilinx.com>
Thu, 15 Jan 2015 09:01:51 +0000 (10:01 +0100)
committerMichal Simek <michal.simek@xilinx.com>
Mon, 2 Mar 2015 17:41:54 +0000 (18:41 +0100)
Add basic Xilinx ZynqMP arm64 support.
Serial and SD is supported.
It supports emulation platfrom ep108 and QEMU.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
15 files changed:
MAINTAINERS
arch/arm/Kconfig
arch/arm/cpu/armv8/Makefile
arch/arm/cpu/armv8/zynqmp/Makefile [new file with mode: 0644]
arch/arm/cpu/armv8/zynqmp/clk.c [new file with mode: 0644]
arch/arm/cpu/armv8/zynqmp/cpu.c [new file with mode: 0644]
arch/arm/include/asm/arch-zynqmp/clk.h [new file with mode: 0644]
arch/arm/include/asm/arch-zynqmp/hardware.h [new file with mode: 0644]
arch/arm/include/asm/arch-zynqmp/sys_proto.h [new file with mode: 0644]
board/xilinx/zynqmp/Kconfig [new file with mode: 0644]
board/xilinx/zynqmp/MAINTAINERS [new file with mode: 0644]
board/xilinx/zynqmp/Makefile [new file with mode: 0644]
board/xilinx/zynqmp/zynqmp.c [new file with mode: 0644]
configs/xilinx_zynqmp_defconfig [new file with mode: 0644]
include/configs/xilinx_zynqmp.h [new file with mode: 0644]

index eef70d0f681770eabbffb77bf8b8cf0ef36b81b1..1b5b1557742315260060b7f2cedce407d8013146 100644 (file)
@@ -173,6 +173,12 @@ S: Maintained
 F:     arch/arm/cpu/armv7/zynq/
 F:     arch/arm/include/asm/arch-zynq/
 
+ARM ZYNQMP
+M:     Michal Simek <michal.simek@xilinx.com>
+S:     Maintained
+F:     arch/arm/cpu/armv8/zynqmp/
+F:     arch/arm/include/asm/arch-zynqmp/
+
 AVR32
 M:     Andreas Bießmann <andreas.devel@googlemail.com>
 S:     Maintained
index 7a2f91c48ef8e6bd5fcf95d8f488c59350bd1195..5e255cbee2037aaeeb4863cb3f3c7caacc84dc20 100644 (file)
@@ -592,6 +592,10 @@ config ZYNQ
        select CPU_V7
        select SUPPORT_SPL
 
+config TARGET_XILINX_ZYNQMP
+       bool "Support Xilinx ZynqMP Platform"
+       select ARM64
+
 config TEGRA
        bool "NVIDIA Tegra"
        select SUPPORT_SPL
@@ -840,6 +844,7 @@ source "board/vpac270/Kconfig"
 source "board/wandboard/Kconfig"
 source "board/woodburn/Kconfig"
 source "board/xaeniax/Kconfig"
+source "board/xilinx/zynqmp/Kconfig"
 source "board/zipitz2/Kconfig"
 
 source "arch/arm/Kconfig.debug"
index 0c102230aef40785b12699fb1d4a2c4d5af630b7..dee5e258b6c33580e8ee118130b3c3a3d9b086ec 100644 (file)
@@ -16,3 +16,4 @@ obj-y += tlb.o
 obj-y  += transition.o
 
 obj-$(CONFIG_FSL_LSCH3) += fsl-lsch3/
+obj-$(CONFIG_TARGET_XILINX_ZYNQMP) += zynqmp/
diff --git a/arch/arm/cpu/armv8/zynqmp/Makefile b/arch/arm/cpu/armv8/zynqmp/Makefile
new file mode 100644 (file)
index 0000000..a997e04
--- /dev/null
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2014 - 2015 Xilinx, Inc.
+# Michal Simek <michal.simek@xilinx.com>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y  += clk.o
+obj-y  += cpu.o
diff --git a/arch/arm/cpu/armv8/zynqmp/clk.c b/arch/arm/cpu/armv8/zynqmp/clk.c
new file mode 100644 (file)
index 0000000..0af619d
--- /dev/null
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+unsigned long get_uart_clk(int dev_id)
+{
+       u32 ver = zynqmp_get_silicon_version();
+
+       switch (ver) {
+       case ZYNQMP_CSU_VERSION_EP108:
+               return 25000000;
+       }
+
+       return 133000000;
+}
+
+#ifdef CONFIG_CLOCKS
+/**
+ * set_cpu_clk_info() - Initialize clock framework
+ * Always returns zero.
+ *
+ * This function is called from common code after relocation and sets up the
+ * clock framework. The framework must not be used before this function had been
+ * called.
+ */
+int set_cpu_clk_info(void)
+{
+       gd->cpu_clk = get_tbclk();
+
+       /* Support Veloce to show at least 1MHz via bdi */
+       if (gd->cpu_clk > 1000000)
+               gd->bd->bi_arm_freq = gd->cpu_clk / 1000000;
+       else
+               gd->bd->bi_arm_freq = 1;
+
+       gd->bd->bi_dsp_freq = 0;
+
+       return 0;
+}
+#endif
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c
new file mode 100644 (file)
index 0000000..6fae03c
--- /dev/null
@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+
+#define ZYNQ_SILICON_VER_MASK  0xF000
+#define ZYNQ_SILICON_VER_SHIFT 12
+
+DECLARE_GLOBAL_DATA_PTR;
+
+unsigned int zynqmp_get_silicon_version(void)
+{
+       gd->cpu_clk = get_tbclk();
+
+       switch (gd->cpu_clk) {
+       case 50000000:
+               return ZYNQMP_CSU_VERSION_QEMU;
+       }
+
+       return ZYNQMP_CSU_VERSION_EP108;
+}
diff --git a/arch/arm/include/asm/arch-zynqmp/clk.h b/arch/arm/include/asm/arch-zynqmp/clk.h
new file mode 100644 (file)
index 0000000..d55bc31
--- /dev/null
@@ -0,0 +1,13 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_CLK_H_
+#define _ASM_ARCH_CLK_H_
+
+unsigned long get_uart_clk(int dev_id);
+
+#endif /* _ASM_ARCH_CLK_H_ */
diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h
new file mode 100644 (file)
index 0000000..97fb49a
--- /dev/null
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_HARDWARE_H
+#define _ASM_ARCH_HARDWARE_H
+
+#define ZYNQ_SERIAL_BASEADDR0  0xFF000000
+#define ZYNQ_SERIAL_BASEADDR1  0xFF001000
+
+#define ZYNQ_SDHCI_BASEADDR0   0xFF160000
+#define ZYNQ_SDHCI_BASEADDR1   0xFF170000
+
+#define ZYNQMP_CRL_APB_BASEADDR        0xFF5E0000
+#define ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT       0x1000000
+
+struct crlapb_regs {
+       u32 reserved0[74];
+       u32 timestamp_ref_ctrl; /* 0x128 */
+       u32 reserved0_1[53];
+       u32 boot_mode; /* 0x200 */
+       u32 reserved1[26];
+};
+
+#define crlapb_base ((struct crlapb_regs *)ZYNQMP_CRL_APB_BASEADDR)
+
+#define ZYNQMP_IOU_SCNTR       0xFF250000
+#define ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN   0x1
+#define ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG 0x2
+
+struct iou_scntr {
+       u32 counter_control_register;
+       u32 reserved0[7];
+       u32 base_frequency_id_register;
+};
+
+#define iou_scntr ((struct iou_scntr *)ZYNQMP_IOU_SCNTR)
+
+/* Bootmode setting values */
+#define BOOT_MODES_MASK        0x0000000F
+#define SD_MODE                0x00000005
+#define JTAG_MODE      0x00000000
+
+/* Board version value */
+#define ZYNQMP_CSU_VERSION_SILICON     0x0
+#define ZYNQMP_CSU_VERSION_EP108       0x1
+#define ZYNQMP_CSU_VERSION_QEMU                0x3
+
+#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/include/asm/arch-zynqmp/sys_proto.h b/arch/arm/include/asm/arch-zynqmp/sys_proto.h
new file mode 100644 (file)
index 0000000..d8e0ba1
--- /dev/null
@@ -0,0 +1,15 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_SYS_PROTO_H
+#define _ASM_ARCH_SYS_PROTO_H
+
+int zynq_sdhci_init(unsigned long regbase);
+
+unsigned int zynqmp_get_silicon_version(void);
+
+#endif /* _ASM_ARCH_SYS_PROTO_H */
diff --git a/board/xilinx/zynqmp/Kconfig b/board/xilinx/zynqmp/Kconfig
new file mode 100644 (file)
index 0000000..b07932e
--- /dev/null
@@ -0,0 +1,15 @@
+if TARGET_XILINX_ZYNQMP
+
+config SYS_BOARD
+       default "zynqmp"
+
+config SYS_VENDOR
+       default "xilinx"
+
+config SYS_SOC
+       default "zynqmp"
+
+config SYS_CONFIG_NAME
+       default "xilinx_zynqmp"
+
+endif
diff --git a/board/xilinx/zynqmp/MAINTAINERS b/board/xilinx/zynqmp/MAINTAINERS
new file mode 100644 (file)
index 0000000..da33340
--- /dev/null
@@ -0,0 +1,6 @@
+XILINX_ZYNQMP BOARD
+M:     Michal Simek <michal.simek@xilinx.com>
+S:     Maintained
+F:     board/xilinx/zynqmp/
+F:     include/configs/xilinx_zynqmp.h
+F:     configs/xilinx_zynqmp_defconfig
diff --git a/board/xilinx/zynqmp/Makefile b/board/xilinx/zynqmp/Makefile
new file mode 100644 (file)
index 0000000..2ab3f19
--- /dev/null
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2014 - 2015 Xilinx, Inc.
+# Michal Simek <michal.simek@xilinx.com>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y  := zynqmp.o
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
new file mode 100644 (file)
index 0000000..1325bca
--- /dev/null
@@ -0,0 +1,90 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+       return 0;
+}
+
+int board_early_init_r(void)
+{
+       u32 val;
+
+       val = readl(&crlapb_base->timestamp_ref_ctrl);
+       val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
+       writel(val, &crlapb_base->timestamp_ref_ctrl);
+
+       /* Program freq register in System counter and enable system counter */
+       writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
+       writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
+              ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
+              &iou_scntr->counter_control_register);
+
+       return 0;
+}
+
+int dram_init(void)
+{
+       gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+       return 0;
+}
+
+int timer_init(void)
+{
+       return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+}
+
+#ifdef CONFIG_CMD_MMC
+int board_mmc_init(bd_t *bd)
+{
+       int ret = 0;
+
+#if defined(CONFIG_ZYNQ_SDHCI)
+# if defined(CONFIG_ZYNQ_SDHCI0)
+       ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
+# endif
+# if defined(CONFIG_ZYNQ_SDHCI1)
+       ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
+# endif
+#endif
+
+       return ret;
+}
+#endif
+
+int board_late_init(void)
+{
+       u32 reg = 0;
+       u8 bootmode;
+
+       reg = readl(&crlapb_base->boot_mode);
+       bootmode = reg & BOOT_MODES_MASK;
+
+       switch (bootmode) {
+       case SD_MODE:
+               setenv("modeboot", "sdboot");
+               break;
+       default:
+               printf("Invalid Boot Mode:0x%x\n", bootmode);
+               break;
+       }
+
+       return 0;
+}
diff --git a/configs/xilinx_zynqmp_defconfig b/configs/xilinx_zynqmp_defconfig
new file mode 100644 (file)
index 0000000..8b6aa70
--- /dev/null
@@ -0,0 +1,14 @@
+CONFIG_ARM=y
+CONFIG_TARGET_XILINX_ZYNQMP=y
+CONFIG_CMD_BDI=y
+CONFIG_CMD_BOOTD=y
+CONFIG_CMD_RUN=y
+CONFIG_CMD_IMI=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_FLASH=y
+CONFIG_CMD_ECHO=y
+CONFIG_CMD_SOURCE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_MISC=y
+CONFIG_CMD_TIMER=y
+CONFIG_DEFAULT_DEVICE_TREE="zynqmp"
diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
new file mode 100644 (file)
index 0000000..511ecca
--- /dev/null
@@ -0,0 +1,131 @@
+/*
+ * Configuration for Xilinx ZynqMP
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * Based on Configuration for Versatile Express
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __XILINX_ZYNQMP_H
+#define __XILINX_ZYNQMP_H
+
+#define CONFIG_REMAKE_ELF
+
+/* #define CONFIG_ARMV8_SWITCH_TO_EL1 */
+
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_SYS_GENERIC_BOARD
+
+/* Generic Interrupt Controller Definitions */
+#define CONFIG_GICV2
+#define GICD_BASE      0xF9010000
+#define GICC_BASE      0xF9020000
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS           1
+#define CONFIG_SYS_SDRAM_BASE          0
+#define CONFIG_SYS_SDRAM_SIZE          0x40000000
+
+#define CONFIG_SYS_MEMTEST_START       CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_END         CONFIG_SYS_SDRAM_SIZE
+
+/* Have release address at the end of 256MB for now */
+#define CPU_RELEASE_ADDR       0xFFFFFF0
+
+/* Cache Definitions */
+#define CONFIG_SYS_DCACHE_OFF
+
+#define CONFIG_IDENT_STRING            " Xilinx ZynqMP"
+
+#define CONFIG_SYS_TEXT_BASE           0x8000000
+#define CONFIG_SYS_INIT_SP_ADDR                (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
+
+/* Flat Device Tree Definitions */
+#define CONFIG_OF_LIBFDT
+
+/* Generic Timer Definitions - setup in EL3. Setup by ATF for other cases */
+#define COUNTER_FREQUENCY              4000000
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN          (CONFIG_ENV_SIZE + 0x400000)
+
+/* Serial setup */
+#define CONFIG_ZYNQ_SERIAL_UART0
+#define CONFIG_ZYNQ_SERIAL
+
+#define CONFIG_CONS_INDEX              0
+#define CONFIG_BAUDRATE                        115200
+#define CONFIG_SYS_BAUDRATE_TABLE \
+       { 4800, 9600, 19200, 38400, 57600, 115200 }
+
+/* Command line configuration */
+#define CONFIG_CMD_ENV
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_MEMORY
+#define CONFIG_DOS_PARTITION
+
+#if defined(CONFIG_ZYNQ_SDHCI0) || defined(CONFIG_ZYNQ_SDHCI1)
+# define CONFIG_MMC
+# define CONFIG_GENERIC_MMC
+# define CONFIG_SDHCI
+# define CONFIG_ZYNQ_SDHCI
+# define CONFIG_CMD_MMC
+#endif
+
+#if defined(CONFIG_ZYNQ_SDHCI)
+# define CONFIG_FAT_WRITE
+# define CONFIG_CMD_EXT4_WRITE
+#endif
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_LOAD_ADDR           0x8000000
+
+/* Initial environment variables */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+       "kernel_addr=0x80000\0" \
+       "fdt_addr=0x7000000\0" \
+       "fdt_high=0x10000000\0" \
+       "sdboot=mmcinfo && fatload mmc 0:0 $fdt_addr system.dtb && " \
+               "fatload mmc 0:0 $kernel_addr Image && booti $kernel_addr - $fdt_addr\0"
+
+#define CONFIG_BOOTARGS                "setenv bootargs console=ttyPS0,${baudrate} " \
+                               "earlycon=cdns,mmio,0xff000000,${baudrate}n8"
+#define CONFIG_PREBOOT         "run bootargs"
+#define CONFIG_BOOTCOMMAND     "run $modeboot"
+#define CONFIG_BOOTDELAY       5
+
+#define CONFIG_BOARD_LATE_INIT
+
+/* Do not preserve environment */
+#define CONFIG_ENV_IS_NOWHERE          1
+#define CONFIG_ENV_SIZE                        0x1000
+
+/* Monitor Command Prompt */
+/* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE              2048
+#define CONFIG_SYS_PROMPT              "ZynqMP> "
+#define CONFIG_SYS_PBSIZE              (CONFIG_SYS_CBSIZE + \
+                                       sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_BARGSIZE            CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_MAXARGS             64
+
+#define CONFIG_FIT
+#define CONFIG_FIT_VERBOSE       /* enable fit_format_{error,warning}() */
+
+#define CONFIG_SYS_BOOTM_LEN   (60 * 1024 * 1024)
+
+#define CONFIG_CMD_BOOTI
+#define CONFIG_CMD_UNZIP
+
+#define CONFIG_BOARD_EARLY_INIT_R
+#define CONFIG_CLOCKS
+
+#endif /* __XILINX_ZYNQMP_H */