From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/arm/mach-s3c/mach-smdk2443.c | 126 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 arch/arm/mach-s3c/mach-smdk2443.c

(limited to 'arch/arm/mach-s3c/mach-smdk2443.c')

diff --git a/arch/arm/mach-s3c/mach-smdk2443.c b/arch/arm/mach-s3c/mach-smdk2443.c
new file mode 100644
index 000000000..075140f8f
--- /dev/null
+++ b/arch/arm/mach-s3c/mach-smdk2443.c
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2007 Simtec Electronics
+//	Ben Dooks <ben@simtec.co.uk>
+//
+// http://www.fluff.org/ben/smdk2443/
+//
+// Thanks to Samsung for the loan of an SMDK2443
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+#include <linux/serial_s3c.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include "regs-gpio.h"
+
+#include <linux/platform_data/fb-s3c2410.h>
+#include <linux/platform_data/i2c-s3c2410.h>
+
+#include "devs.h"
+#include "cpu.h"
+
+#include "s3c24xx.h"
+#include "common-smdk-s3c24xx.h"
+
+static struct map_desc smdk2443_iodesc[] __initdata = {
+	/* ISA IO Space map (memory space selected by A24) */
+
+	{
+		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
+		.pfn		= __phys_to_pfn(S3C2410_CS2),
+		.length		= 0x10000,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
+		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
+		.length		= SZ_4M,
+		.type		= MT_DEVICE,
+	}
+};
+
+#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = 0x3c5,
+		.ulcon	     = 0x03,
+		.ufcon	     = 0x51,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = 0x3c5,
+		.ulcon	     = 0x03,
+		.ufcon	     = 0x51,
+	},
+	/* IR port */
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = 0x3c5,
+		.ulcon	     = 0x43,
+		.ufcon	     = 0x51,
+	},
+	[3] = {
+		.hwport	     = 3,
+		.flags	     = 0,
+		.ucon	     = 0x3c5,
+		.ulcon	     = 0x03,
+		.ufcon	     = 0x51,
+	}
+};
+
+static struct platform_device *smdk2443_devices[] __initdata = {
+	&s3c_device_wdt,
+	&s3c_device_i2c0,
+	&s3c_device_hsmmc1,
+	&s3c2443_device_dma,
+};
+
+static void __init smdk2443_map_io(void)
+{
+	s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
+	s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
+	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
+}
+
+static void __init smdk2443_init_time(void)
+{
+	s3c2443_init_clocks(12000000);
+	s3c24xx_timer_init();
+}
+
+static void __init smdk2443_machine_init(void)
+{
+	s3c_i2c0_set_platdata(NULL);
+	platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
+	smdk_machine_init();
+}
+
+MACHINE_START(SMDK2443, "SMDK2443")
+	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
+	.atag_offset	= 0x100,
+	.nr_irqs	= NR_IRQS_S3C2443,
+	.init_irq	= s3c2443_init_irq,
+	.map_io		= smdk2443_map_io,
+	.init_machine	= smdk2443_machine_init,
+	.init_time	= smdk2443_init_time,
+MACHINE_END
-- 
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