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-nexcoder.c | 162 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 arch/arm/mach-s3c/mach-nexcoder.c

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

diff --git a/arch/arm/mach-s3c/mach-nexcoder.c b/arch/arm/mach-s3c/mach-nexcoder.c
new file mode 100644
index 000000000..d17a3fcb7
--- /dev/null
+++ b/arch/arm/mach-s3c/mach-nexcoder.c
@@ -0,0 +1,162 @@
+// SPDX-License-Identifier: GPL-2.0
+// linux/arch/arm/mach-s3c2440/mach-nexcoder.c
+//
+// Copyright (c) 2004 Nex Vision
+//   Guillaume GOURAT <guillaume.gourat@nexvision.tv>
+//
+// Modifications:
+//     15-10-2004 GG  Created initial version
+//     12-03-2005 BJD Updated for release
+
+#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/gpio.h>
+#include <linux/string.h>
+#include <linux/serial_core.h>
+#include <linux/serial_s3c.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <linux/mtd/map.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/setup.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+//#include <asm/debug-ll.h>
+#include "regs-gpio.h"
+#include "gpio-samsung.h"
+#include <linux/platform_data/i2c-s3c2410.h>
+
+#include "gpio-cfg.h"
+#include "devs.h"
+#include "cpu.h"
+
+#include "s3c24xx.h"
+
+static struct map_desc nexcoder_iodesc[] __initdata = {
+	/* nothing here yet */
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	}
+};
+
+/* NOR Flash on NexVision NexCoder 2440 board */
+
+static struct resource nexcoder_nor_resource[] = {
+	[0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
+};
+
+static struct map_info nexcoder_nor_map = {
+	.bankwidth = 2,
+};
+
+static struct platform_device nexcoder_device_nor = {
+	.name		= "mtd-flash",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(nexcoder_nor_resource),
+	.resource	= nexcoder_nor_resource,
+	.dev =
+	{
+		.platform_data = &nexcoder_nor_map,
+	}
+};
+
+/* Standard Nexcoder devices */
+
+static struct platform_device *nexcoder_devices[] __initdata = {
+	&s3c_device_ohci,
+	&s3c_device_lcd,
+	&s3c_device_wdt,
+	&s3c_device_i2c0,
+	&s3c_device_iis,
+ 	&s3c_device_rtc,
+	&s3c_device_camif,
+	&s3c_device_spi0,
+	&s3c_device_spi1,
+	&nexcoder_device_nor,
+};
+
+static void __init nexcoder_sensorboard_init(void)
+{
+	/* Initialize SCCB bus */
+	gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
+	gpio_free(S3C2410_GPE(14)); /* IICSCL */
+	gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
+	gpio_free(S3C2410_GPE(15)); /* IICSDA */
+
+	/* Power up the sensor board */
+	gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
+	gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
+	gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
+	gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
+}
+
+static void __init nexcoder_map_io(void)
+{
+	s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
+	s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
+	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
+
+	nexcoder_sensorboard_init();
+}
+
+static void __init nexcoder_init_time(void)
+{
+	s3c2440_init_clocks(12000000);
+	s3c24xx_timer_init();
+}
+
+static void __init nexcoder_init(void)
+{
+	s3c_i2c0_set_platdata(NULL);
+
+	/* Configure the I2S pins (GPE0...GPE4) in correct mode */
+	s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
+			      S3C_GPIO_PULL_NONE);
+
+	platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
+};
+
+MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
+	/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
+	.atag_offset	= 0x100,
+	.nr_irqs	= NR_IRQS_S3C2440,
+	.map_io		= nexcoder_map_io,
+	.init_machine	= nexcoder_init,
+	.init_irq	= s3c2440_init_irq,
+	.init_time	= nexcoder_init_time,
+MACHINE_END
-- 
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