[PATCH 6/7] aspeed: Add AST2600 platform support
Chia-Wei, Wang
chiawei_wang at aspeedtech.com
Mon Dec 14 06:54:28 CET 2020
Add low level platform initialization for the AST2600 SoC.
The 2-stage booting with U-Boot SPL are leveraged to support
different booting mode.
However, currently the patch supports only the booting from
memory-mapped SPI flash.
Signed-off-by: Chia-Wei, Wang <chiawei_wang at aspeedtech.com>
---
arch/arm/include/asm/arch-aspeed/boot0.h | 23 ++
arch/arm/include/asm/arch-aspeed/platform.h | 5 +
arch/arm/mach-aspeed/Kconfig | 20 ++
arch/arm/mach-aspeed/Makefile | 1 +
arch/arm/mach-aspeed/ast2600/Kconfig | 17 ++
arch/arm/mach-aspeed/ast2600/Makefile | 2 +
arch/arm/mach-aspeed/ast2600/board_common.c | 105 +++++++++
arch/arm/mach-aspeed/ast2600/lowlevel_init.S | 233 +++++++++++++++++++
arch/arm/mach-aspeed/ast2600/spl.c | 55 +++++
board/aspeed/evb_ast2600/Kconfig | 12 +
board/aspeed/evb_ast2600/Makefile | 1 +
board/aspeed/evb_ast2600/evb_ast2600.c | 5 +
drivers/sysreset/sysreset_ast.c | 5 +
include/configs/evb_ast2600.h | 16 ++
14 files changed, 500 insertions(+)
create mode 100644 arch/arm/include/asm/arch-aspeed/boot0.h
create mode 100644 arch/arm/mach-aspeed/ast2600/Kconfig
create mode 100644 arch/arm/mach-aspeed/ast2600/Makefile
create mode 100644 arch/arm/mach-aspeed/ast2600/board_common.c
create mode 100644 arch/arm/mach-aspeed/ast2600/lowlevel_init.S
create mode 100644 arch/arm/mach-aspeed/ast2600/spl.c
create mode 100644 board/aspeed/evb_ast2600/Kconfig
create mode 100644 board/aspeed/evb_ast2600/Makefile
create mode 100644 board/aspeed/evb_ast2600/evb_ast2600.c
create mode 100644 include/configs/evb_ast2600.h
diff --git a/arch/arm/include/asm/arch-aspeed/boot0.h b/arch/arm/include/asm/arch-aspeed/boot0.h
new file mode 100644
index 0000000000..368becc87a
--- /dev/null
+++ b/arch/arm/include/asm/arch-aspeed/boot0.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) Aspeed Technology Inc.
+ */
+
+#ifndef _ASM_ARCH_BOOT0_H
+#define _ASM_ARCH_BOOT0_H
+
+_start:
+ ARM_VECTORS
+
+ .word 0x0 /* key location */
+ .word 0x0 /* start address of image */
+ .word 0xfc00 /* maximum image size: 63KB */
+ .word 0x0 /* signature address */
+ .word 0x0 /* header revision ID low */
+ .word 0x0 /* header revision ID high */
+ .word 0x0 /* reserved */
+ .word 0x0 /* checksum */
+ .word 0x0 /* BL2 secure header */
+ .word 0x0 /* public key or digest offset for BL2 */
+
+#endif
diff --git a/arch/arm/include/asm/arch-aspeed/platform.h b/arch/arm/include/asm/arch-aspeed/platform.h
index 6cee036f54..d50ec5f8a9 100644
--- a/arch/arm/include/asm/arch-aspeed/platform.h
+++ b/arch/arm/include/asm/arch-aspeed/platform.h
@@ -13,6 +13,11 @@
#define ASPEED_DRAM_BASE 0x80000000
#define ASPEED_SRAM_BASE 0x1e720000
#define ASPEED_SRAM_SIZE 0x9000
+#elif defined(CONFIG_ASPEED_AST2600)
+#define ASPEED_MAC_COUNT 4
+#define ASPEED_DRAM_BASE 0x80000000
+#define ASPEED_SRAM_BASE 0x10000000
+#define ASPEED_SRAM_SIZE 0x10000
#else
#err "Unrecognized Aspeed platform."
#endif
diff --git a/arch/arm/mach-aspeed/Kconfig b/arch/arm/mach-aspeed/Kconfig
index 4f021baa06..9a725f195a 100644
--- a/arch/arm/mach-aspeed/Kconfig
+++ b/arch/arm/mach-aspeed/Kconfig
@@ -9,6 +9,11 @@ config SYS_SOC
config SYS_TEXT_BASE
default 0x00000000
+choice
+ prompt "Aspeed SoC select"
+ depends on ARCH_ASPEED
+ default ASPEED_AST2500
+
config ASPEED_AST2500
bool "Support Aspeed AST2500 SoC"
depends on DM_RESET
@@ -18,6 +23,21 @@ config ASPEED_AST2500
It is used as Board Management Controller on many server boards,
which is enabled by support of LPC and eSPI peripherals.
+config ASPEED_AST2600
+ bool "Support Aspeed AST2600 SoC"
+ select CPU_V7A
+ select CPU_V7_HAS_NONSEC
+ select SYS_ARCH_TIMER
+ select SUPPORT_SPL
+ select ENABLE_ARM_SOC_BOOT0_HOOK
+ help
+ The Aspeed AST2600 is a ARM-based SoC with Cortex-A7 CPU.
+ It is used as Board Management Controller on many server boards,
+ which is enabled by support of LPC and eSPI peripherals.
+
+endchoice
+
source "arch/arm/mach-aspeed/ast2500/Kconfig"
+source "arch/arm/mach-aspeed/ast2600/Kconfig"
endif
diff --git a/arch/arm/mach-aspeed/Makefile b/arch/arm/mach-aspeed/Makefile
index 33f65b50b2..42599c125b 100644
--- a/arch/arm/mach-aspeed/Makefile
+++ b/arch/arm/mach-aspeed/Makefile
@@ -4,3 +4,4 @@
obj-$(CONFIG_ARCH_ASPEED) += ast_wdt.o
obj-$(CONFIG_ASPEED_AST2500) += ast2500/
+obj-$(CONFIG_ASPEED_AST2600) += ast2600/
diff --git a/arch/arm/mach-aspeed/ast2600/Kconfig b/arch/arm/mach-aspeed/ast2600/Kconfig
new file mode 100644
index 0000000000..f3a53387a1
--- /dev/null
+++ b/arch/arm/mach-aspeed/ast2600/Kconfig
@@ -0,0 +1,17 @@
+if ASPEED_AST2600
+
+config SYS_CPU
+ default "armv7"
+
+config TARGET_EVB_AST2600
+ bool "EVB-AST2600"
+ depends on ASPEED_AST2600
+ help
+ EVB-AST2600 is Aspeed evaluation board for AST2600A0 chip.
+ It has 512M of RAM, 32M of SPI flash, two Ethernet ports,
+ 4 Serial ports, 4 USB ports, VGA port, PCIe, SD card slot,
+ 20 pin JTAG, pinouts for 14 I2Cs, 3 SPIs and eSPI, 8 PWMs.
+
+source "board/aspeed/evb_ast2600/Kconfig"
+
+endif
diff --git a/arch/arm/mach-aspeed/ast2600/Makefile b/arch/arm/mach-aspeed/ast2600/Makefile
new file mode 100644
index 0000000000..448d3201af
--- /dev/null
+++ b/arch/arm/mach-aspeed/ast2600/Makefile
@@ -0,0 +1,2 @@
+obj-y += lowlevel_init.o board_common.o
+obj-$(CONFIG_SPL_BUILD) += spl.o
diff --git a/arch/arm/mach-aspeed/ast2600/board_common.c b/arch/arm/mach-aspeed/ast2600/board_common.c
new file mode 100644
index 0000000000..642ea48d8e
--- /dev/null
+++ b/arch/arm/mach-aspeed/ast2600/board_common.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) Aspeed Technology Inc.
+ */
+#include <common.h>
+#include <dm.h>
+#include <ram.h>
+#include <timer.h>
+#include <asm/io.h>
+#include <asm/arch/timer.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <dm/uclass.h>
+#include <asm/arch/scu_ast2600.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Memory Control registers */
+#define MCR_BASE 0x1e6e0000
+#define MCR_CONF (MCR_BASE + 0x004)
+
+/* bit fields of MCR_CONF */
+#define MCR_CONF_ECC_EN BIT(7)
+#define MCR_CONF_VGA_MEMSZ_MASK GENMASK(3, 2)
+#define MCR_CONF_VGA_MEMSZ_SHIFT 2
+#define MCR_CONF_MEMSZ_MASK GENMASK(1, 0)
+#define MCR_CONF_MEMSZ_SHIFT 0
+
+int dram_init(void)
+{
+ int ret;
+ struct udevice *dev;
+ struct ram_info ram;
+
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret) {
+ debug("cannot get DRAM driver\n");
+ return ret;
+ }
+
+ ret = ram_get_info(dev, &ram);
+ if (ret) {
+ debug("cannot get DRAM information\n");
+ return ret;
+ }
+
+ gd->ram_size = ram.size;
+ return 0;
+}
+
+int board_init(void)
+{
+ int i = 0, rc;
+ struct udevice *dev;
+
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+ while (1) {
+ rc = uclass_get_device(UCLASS_MISC, i++, &dev);
+ if (rc)
+ break;
+ }
+
+ return 0;
+}
+
+void board_add_ram_info(int use_default)
+{
+ int rc;
+ uint32_t conf;
+ uint32_t ecc, act_size, vga_rsvd;
+ struct udevice *scu_dev;
+ struct ast2600_scu *scu;
+
+ rc = uclass_get_device_by_driver(UCLASS_CLK,
+ DM_GET_DRIVER(aspeed_ast2600_scu), &scu_dev);
+ if (rc) {
+ debug("%s: cannot find SCU device, rc=%d\n", __func__, rc);
+ return;
+ }
+
+ scu = devfdt_get_addr_ptr(scu_dev);
+ if (IS_ERR_OR_NULL(scu)) {
+ debug("%s: cannot get SCU address pointer\n", __func__);
+ return;
+ }
+
+ conf = readl(MCR_CONF);
+
+ ecc = conf & MCR_CONF_ECC_EN;
+ act_size = 0x100 << ((conf & MCR_CONF_MEMSZ_MASK) >> MCR_CONF_MEMSZ_SHIFT);
+ vga_rsvd = 0x8 << ((conf & MCR_CONF_VGA_MEMSZ_MASK) >> MCR_CONF_VGA_MEMSZ_SHIFT);
+
+ /* no VGA reservation if efuse VGA disable bit is set */
+ if (readl(scu->efuse) & SCU_EFUSE_DIS_VGA)
+ vga_rsvd = 0;
+
+ printf(" (capacity:%d MiB, VGA:%d MiB), ECC %s", act_size,
+ vga_rsvd, (ecc) ? "on" : "off");
+}
+
+void enable_caches(void)
+{
+ /* get rid of the warning message */
+}
diff --git a/arch/arm/mach-aspeed/ast2600/lowlevel_init.S b/arch/arm/mach-aspeed/ast2600/lowlevel_init.S
new file mode 100644
index 0000000000..594963d039
--- /dev/null
+++ b/arch/arm/mach-aspeed/ast2600/lowlevel_init.S
@@ -0,0 +1,233 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) ASPEED Technology Inc.
+ */
+#include <config.h>
+#include <asm/armv7.h>
+#include <linux/linkage.h>
+#include <asm/arch/scu_ast2600.h>
+
+/* SCU register offsets */
+#define SCU_BASE 0x1e6e2000
+#define SCU_PROT_KEY1 (SCU_BASE + 0x000)
+#define SCU_PROT_KEY2 (SCU_BASE + 0x010)
+#define SCU_SMP_BOOT (SCU_BASE + 0x180)
+#define SCU_HWSTRAP1 (SCU_BASE + 0x510)
+#define SCU_CA7_PARITY_CHK (SCU_BASE + 0x820)
+#define SCU_CA7_PARITY_CLR (SCU_BASE + 0x824)
+#define SCU_MMIO_DEC (SCU_BASE + 0xc24)
+
+/* FMC SPI register offsets */
+#define FMC_BASE 0x1e620000
+#define FMC_CE0_CTRL (FMC_BASE + 0x010)
+#define FMC_SW_RST_CTRL (FMC_BASE + 0x050)
+#define FMC_WDT1_CTRL_MODE (FMC_BASE + 0x060)
+#define FMC_WDT2_CTRL_MODE (FMC_BASE + 0x064)
+
+/*
+ * The SMP mailbox provides a space with few instructions in it
+ * for secondary cores to execute on and wait for the signal of
+ * SMP core bring up.
+ *
+ * SMP mailbox
+ * +----------------------+
+ * | |
+ * | mailbox insn. for |
+ * | cpuN polling SMP go |
+ * | |
+ * +----------------------+ 0xC
+ * | mailbox ready signal |
+ * +----------------------+ 0x8
+ * | cpuN GO signal |
+ * +----------------------+ 0x4
+ * | cpuN entrypoint |
+ * +----------------------+ SMP_MAILBOX_BASE
+ */
+#define SMP_MBOX_BASE (SCU_SMP_BOOT)
+#define SMP_MBOX_FIELD_ENTRY (SMP_MBOX_BASE + 0x0)
+#define SMP_MBOX_FIELD_GOSIGN (SMP_MBOX_BASE + 0x4)
+#define SMP_MBOX_FIELD_READY (SMP_MBOX_BASE + 0x8)
+#define SMP_MBOX_FIELD_POLLINSN (SMP_MBOX_BASE + 0xc)
+
+.macro scu_unlock
+ movw r0, #(SCU_UNLOCK_KEY & 0xffff)
+ movt r0, #(SCU_UNLOCK_KEY >> 16)
+
+ ldr r1, =SCU_PROT_KEY1
+ str r0, [r1]
+ ldr r1, =SCU_PROT_KEY2
+ str r0, [r1]
+.endm
+
+.macro timer_init
+ ldr r1, =SCU_HWSTRAP1
+ ldr r1, [r1]
+ and r1, #0x700
+ lsr r1, #0x8
+
+ /* 1.2GHz */
+ cmp r1, #0x0
+ movweq r0, #0x8c00
+ movteq r0, #0x4786
+
+ /* 1.6GHz */
+ cmp r1, #0x1
+ movweq r0, #0x1000
+ movteq r0, #0x5f5e
+
+ /* 1.2GHz */
+ cmp r1, #0x2
+ movweq r0, #0x8c00
+ movteq r0, #0x4786
+
+ /* 1.6GHz */
+ cmp r1, #0x3
+ movweq r0, #0x1000
+ movteq r0, #0x5f5e
+
+ /* 800MHz */
+ cmp r1, #0x4
+ movwge r0, #0x0800
+ movtge r0, #0x2faf
+
+ mcr p15, 0, r0, c14, c0, 0 @; update CNTFRQ
+.endm
+
+
+.globl lowlevel_init
+
+lowlevel_init:
+#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+ mov pc, lr
+#else
+ /* setup ARM arch timer frequency */
+ timer_init
+
+ /* reset SMP mailbox as early as possible */
+ mov r0, #0x0
+ ldr r1, =SMP_MBOX_FIELD_READY
+ str r0, [r1]
+
+ /* set ACTLR.SMP to enable cache use */
+ mrc p15, 0, r0, c1, c0, 1
+ orr r0, #0x40
+ mcr p15, 0, r0, c1, c0, 1
+
+ /*
+ * we treat cpu0 as the primary core and
+ * put secondary core (cpuN) to sleep
+ */
+ mrc p15, 0, r0, c0, c0, 5 @; Read CPU ID register
+ ands r0, #0xff @; Mask off, leaving the CPU ID field
+ movw r2, #0xab00
+ movt r2, #0xabba
+ orr r2, r0
+
+ beq do_primary_core_setup
+
+ /* hold cpuN until mailbox is ready */
+poll_mailbox_ready:
+ wfe
+ ldr r0, =SMP_MBOX_FIELD_READY
+ ldr r0, [r0]
+ movw r1, #0xcafe
+ movt r1, #0xbabe
+ cmp r1, r0
+ bne poll_mailbox_ready
+
+ /* parameters for relocated SMP go polling insn. */
+ ldr r0, =SMP_MBOX_FIELD_GOSIGN
+ ldr r1, =SMP_MBOX_FIELD_ENTRY
+
+ /* no return */
+ ldr pc, =SMP_MBOX_FIELD_POLLINSN
+
+do_primary_core_setup:
+ scu_unlock
+
+ /* MMIO decode setting */
+ ldr r0, =SCU_MMIO_DEC
+ mov r1, #0x2000
+ str r1, [r0]
+
+ /* enable CA7 cache parity check */
+ mov r0, #0
+ ldr r1, =SCU_CA7_PARITY_CLR
+ str r0, [r1]
+
+ mov r0, #0x1
+ ldr r1, =SCU_CA7_PARITY_CHK
+ str r0, [r1]
+
+ /* do not fill FMC50[1] if boot from eMMC */
+ ldr r0, =SCU_HWSTRAP1
+ ldr r1, [r0]
+ ands r1, #0x04
+ bne skip_fill_wip_bit
+
+ /* fill FMC50[1] for waiting WIP idle */
+ mov r0, #0x02
+ ldr r1, =FMC_SW_RST_CTRL
+ str r0, [r1]
+
+skip_fill_wip_bit:
+ /* disable FMC WDT for SPI address mode detection */
+ mov r0, #0
+ ldr r1, =FMC_WDT1_CTRL_MODE
+ str r0, [r1]
+
+ /* relocate mailbox insn. for cpuN polling SMP go signal */
+ adrl r0, mailbox_insn
+ adrl r1, mailbox_insn_end
+
+ ldr r2, =#SMP_MBOX_FIELD_POLLINSN
+
+relocate_mailbox_insn:
+ ldr r3, [r0], #0x4
+ str r3, [r2], #0x4
+ cmp r0, r1
+ bne relocate_mailbox_insn
+
+ /* reset SMP go sign */
+ mov r0, #0
+ ldr r1, =SMP_MBOX_FIELD_GOSIGN
+ str r0, [r1]
+
+ /* notify cpuN mailbox is ready */
+ movw r0, #0xCAFE
+ movt r0, #0xBABE
+ ldr r1, =SMP_MBOX_FIELD_READY
+ str r0, [r1]
+ sev
+
+ /* back to arch calling code */
+ mov pc, lr
+
+/*
+ * insn. inside mailbox to poll SMP go signal.
+ *
+ * Note that as this code will be relocated, any
+ * pc-relative assembly should NOT be used.
+ */
+mailbox_insn:
+ /*
+ * r0 ~ r3 are parameters:
+ * r0 = SMP_MBOX_FIELD_GOSIGN
+ * r1 = SMP_MBOX_FIELD_ENTRY
+ * r2 = per-cpu go sign value
+ * r3 = no used now
+ */
+poll_mailbox_smp_go:
+ wfe
+ ldr r4, [r0]
+ cmp r2, r4
+ bne poll_mailbox_smp_go
+
+ /* SMP GO signal confirmed, release cpuN */
+ ldr pc, [r1]
+
+mailbox_insn_end:
+ /* should never reach */
+ b .
+
+#endif
diff --git a/arch/arm/mach-aspeed/ast2600/spl.c b/arch/arm/mach-aspeed/ast2600/spl.c
new file mode 100644
index 0000000000..9201d4a4d4
--- /dev/null
+++ b/arch/arm/mach-aspeed/ast2600/spl.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) Aspeed Technology Inc.
+ */
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <spl.h>
+#include <init.h>
+#include <asm/io.h>
+#include <asm/arch/scu_ast2600.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void board_init_f(ulong dummy)
+{
+ spl_early_init();
+ preloader_console_init();
+ timer_init();
+ dram_init();
+}
+
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_RAM;
+}
+
+struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
+{
+ /*
+ * When boot from SPI, AST2600 already remap 0x00000000 ~ 0x0fffffff
+ * to BMC SPI memory space 0x20000000 ~ 0x2fffffff. The next stage BL
+ * has been located in SPI for XIP. In this case, the load buffer for
+ * SPL image loading will be set to the remapped address of the next
+ * BL instead of the DRAM space CONFIG_SYS_LOAD_ADDR
+ */
+ return (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+ /* boot linux */
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ /* just empty function now - can't decide what to choose */
+ debug("%s: %s\n", __func__, name);
+ return 0;
+}
+#endif
diff --git a/board/aspeed/evb_ast2600/Kconfig b/board/aspeed/evb_ast2600/Kconfig
new file mode 100644
index 0000000000..42008cd033
--- /dev/null
+++ b/board/aspeed/evb_ast2600/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_EVB_AST2600
+
+config SYS_BOARD
+ default "evb_ast2600"
+
+config SYS_VENDOR
+ default "aspeed"
+
+config SYS_CONFIG_NAME
+ default "evb_ast2600"
+
+endif
diff --git a/board/aspeed/evb_ast2600/Makefile b/board/aspeed/evb_ast2600/Makefile
new file mode 100644
index 0000000000..9291db6ee1
--- /dev/null
+++ b/board/aspeed/evb_ast2600/Makefile
@@ -0,0 +1 @@
+obj-y += evb_ast2600.o
diff --git a/board/aspeed/evb_ast2600/evb_ast2600.c b/board/aspeed/evb_ast2600/evb_ast2600.c
new file mode 100644
index 0000000000..e6dc8c7952
--- /dev/null
+++ b/board/aspeed/evb_ast2600/evb_ast2600.c
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) Aspeed Technology Inc.
+ */
+#include <common.h>
diff --git a/drivers/sysreset/sysreset_ast.c b/drivers/sysreset/sysreset_ast.c
index ee941c7770..d747ed00a7 100644
--- a/drivers/sysreset/sysreset_ast.c
+++ b/drivers/sysreset/sysreset_ast.c
@@ -12,6 +12,7 @@
#include <asm/io.h>
#include <asm/arch/wdt.h>
#include <linux/err.h>
+#include <hang.h>
static int ast_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
@@ -33,11 +34,15 @@ static int ast_sysreset_request(struct udevice *dev, enum sysreset_t type)
return -EPROTONOSUPPORT;
}
+#if !defined(CONFIG_SPL_BUILD)
ret = wdt_expire_now(wdt, reset_mode);
if (ret) {
debug("Sysreset failed: %d", ret);
return ret;
}
+#else
+ hang();
+#endif
return -EINPROGRESS;
}
diff --git a/include/configs/evb_ast2600.h b/include/configs/evb_ast2600.h
new file mode 100644
index 0000000000..e7975bf66d
--- /dev/null
+++ b/include/configs/evb_ast2600.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) Aspeed Technology Inc.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/aspeed-common.h>
+
+#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
+
+/* Memory Info */
+#define CONFIG_SYS_LOAD_ADDR 0x83000000
+
+#endif /* __CONFIG_H */
--
2.17.1
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