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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-s3c/mach-nexcoder.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-s3c/mach-nexcoder.c')
-rw-r--r--arch/arm/mach-s3c/mach-nexcoder.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-nexcoder.c b/arch/arm/mach-s3c/mach-nexcoder.c
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+++ 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