[U-Boot] [PATCH] arm64: Add Xilinx ZynqMP support
Michal Simek
michal.simek at xilinx.com
Tue Feb 24 09:02:09 CET 2015
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 at xilinx.com>
---
MAINTAINERS | 6 ++
arch/arm/Kconfig | 5 +
arch/arm/cpu/armv8/Makefile | 1 +
arch/arm/cpu/armv8/zynqmp/Makefile | 9 ++
arch/arm/cpu/armv8/zynqmp/clk.c | 49 ++++++++++
arch/arm/cpu/armv8/zynqmp/cpu.c | 28 ++++++
arch/arm/include/asm/arch-zynqmp/clk.h | 13 +++
arch/arm/include/asm/arch-zynqmp/hardware.h | 52 +++++++++++
arch/arm/include/asm/arch-zynqmp/sys_proto.h | 15 +++
board/xilinx/zynqmp/Kconfig | 15 +++
board/xilinx/zynqmp/MAINTAINERS | 6 ++
board/xilinx/zynqmp/Makefile | 8 ++
board/xilinx/zynqmp/zynqmp.c | 90 ++++++++++++++++++
configs/xilinx_zynqmp_defconfig | 14 +++
include/configs/xilinx_zynqmp.h | 134 +++++++++++++++++++++++++++
15 files changed, 445 insertions(+)
create mode 100644 arch/arm/cpu/armv8/zynqmp/Makefile
create mode 100644 arch/arm/cpu/armv8/zynqmp/clk.c
create mode 100644 arch/arm/cpu/armv8/zynqmp/cpu.c
create mode 100644 arch/arm/include/asm/arch-zynqmp/clk.h
create mode 100644 arch/arm/include/asm/arch-zynqmp/hardware.h
create mode 100644 arch/arm/include/asm/arch-zynqmp/sys_proto.h
create mode 100644 board/xilinx/zynqmp/Kconfig
create mode 100644 board/xilinx/zynqmp/MAINTAINERS
create mode 100644 board/xilinx/zynqmp/Makefile
create mode 100644 board/xilinx/zynqmp/zynqmp.c
create mode 100644 configs/xilinx_zynqmp_defconfig
create mode 100644 include/configs/xilinx_zynqmp.h
diff --git a/MAINTAINERS b/MAINTAINERS
index eef70d0f6817..1b5b15577423 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -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 at xilinx.com>
+S: Maintained
+F: arch/arm/cpu/armv8/zynqmp/
+F: arch/arm/include/asm/arch-zynqmp/
+
AVR32
M: Andreas Bießmann <andreas.devel at googlemail.com>
S: Maintained
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 820ba1ccabad..bb0aa0bc526f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -616,6 +616,10 @@ 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
@@ -871,6 +875,7 @@ 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"
diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile
index 0c102230aef4..dee5e258b6c3 100644
--- a/arch/arm/cpu/armv8/Makefile
+++ b/arch/arm/cpu/armv8/Makefile
@@ -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
index 000000000000..a997e045bd0a
--- /dev/null
+++ b/arch/arm/cpu/armv8/zynqmp/Makefile
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2014 - 2015 Xilinx, Inc.
+# Michal Simek <michal.simek at 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
index 000000000000..0af619d92fde
--- /dev/null
+++ b/arch/arm/cpu/armv8/zynqmp/clk.c
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek at 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
index 000000000000..6fae03c1af5c
--- /dev/null
+++ b/arch/arm/cpu/armv8/zynqmp/cpu.c
@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek at 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
index 000000000000..d55bc31c4399
--- /dev/null
+++ b/arch/arm/include/asm/arch-zynqmp/clk.h
@@ -0,0 +1,13 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek at 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
index 000000000000..97fb49a2a7b6
--- /dev/null
+++ b/arch/arm/include/asm/arch-zynqmp/hardware.h
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek at 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
index 000000000000..d8e0ba1588a0
--- /dev/null
+++ b/arch/arm/include/asm/arch-zynqmp/sys_proto.h
@@ -0,0 +1,15 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek at 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
index 000000000000..b07932e80583
--- /dev/null
+++ b/board/xilinx/zynqmp/Kconfig
@@ -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
index 000000000000..da3334045944
--- /dev/null
+++ b/board/xilinx/zynqmp/MAINTAINERS
@@ -0,0 +1,6 @@
+XILINX_ZYNQMP BOARD
+M: Michal Simek <michal.simek at 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
index 000000000000..2ab3f190ac30
--- /dev/null
+++ b/board/xilinx/zynqmp/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2014 - 2015 Xilinx, Inc.
+# Michal Simek <michal.simek at 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
index 000000000000..1325bca5e552
--- /dev/null
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -0,0 +1,90 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek at 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
index 000000000000..8b6aa70c144a
--- /dev/null
+++ b/configs/xilinx_zynqmp_defconfig
@@ -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
index 000000000000..d503b89eaa4c
--- /dev/null
+++ b/include/configs/xilinx_zynqmp.h
@@ -0,0 +1,134 @@
+/*
+ * Configuration for Xilinx ZynqMP
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek at 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 \
+ "ethaddr=00:0a:35:00:01:22\0" \
+ "kernel_addr=0x200000\0" \
+ "initrd_addr=0xa00000\0" \
+ "initrd_size=0x2000000\0" \
+ "fdt_addr=0x100000\0" \
+ "fdt_high=0x10000000\0" \
+ "sdboot=mmcinfo && fatload mmc 0:0 f000000 system.dtb && " \
+ "fatload mmc 0:0 f000000 Image && booti 80000 - f000000\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 */
--
1.8.2.3
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