Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 231 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-s3c24xx/mach-amlm5900.c
new file mode 100644
index 000000000..9a9daf526
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c
@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright (c) 2006 American Microsystems Limited
+//	David Anders <danders@amltd.com>
+//
+// @History:
+// derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
+// Ben Dooks <ben@simtec.co.uk>
+
+#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/device.h>
+#include <linux/platform_device.h>
+#include <linux/proc_fs.h>
+#include <linux/serial_core.h>
+#include <linux/serial_s3c.h>
+#include <linux/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <mach/fb.h>
+
+#include <mach/regs-lcd.h>
+#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
+
+#include <linux/platform_data/i2c-s3c2410.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+#include <plat/gpio-cfg.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/physmap.h>
+
+#include <plat/samsung-time.h>
+
+#include "common.h"
+
+static struct resource amlm5900_nor_resource =
+			DEFINE_RES_MEM(0x00000000, SZ_16M);
+
+static struct mtd_partition amlm5900_mtd_partitions[] = {
+	{
+		.name		= "System",
+		.size		= 0x240000,
+		.offset		= 0,
+		.mask_flags 	= MTD_WRITEABLE,  /* force read-only */
+	}, {
+		.name		= "Kernel",
+		.size		= 0x100000,
+		.offset		= MTDPART_OFS_APPEND,
+	}, {
+		.name		= "Ramdisk",
+		.size		= 0x300000,
+		.offset		= MTDPART_OFS_APPEND,
+	}, {
+		.name		= "JFFS2",
+		.size		= 0x9A0000,
+		.offset		= MTDPART_OFS_APPEND,
+	}, {
+		.name		= "Settings",
+		.size		= MTDPART_SIZ_FULL,
+		.offset		= MTDPART_OFS_APPEND,
+	}
+};
+
+static struct physmap_flash_data amlm5900_flash_data = {
+	.width		= 2,
+	.parts		= amlm5900_mtd_partitions,
+	.nr_parts	= ARRAY_SIZE(amlm5900_mtd_partitions),
+};
+
+static struct platform_device amlm5900_device_nor = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev = {
+			.platform_data = &amlm5900_flash_data,
+		},
+	.num_resources	= 1,
+	.resource	= &amlm5900_nor_resource,
+};
+
+static struct map_desc amlm5900_iodesc[] __initdata = {
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg amlm5900_uartcfgs[] = {
+	[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,
+	}
+};
+
+
+static struct platform_device *amlm5900_devices[] __initdata = {
+#ifdef CONFIG_FB_S3C2410
+	&s3c_device_lcd,
+#endif
+	&s3c_device_adc,
+	&s3c_device_wdt,
+	&s3c_device_i2c0,
+	&s3c_device_ohci,
+ 	&s3c_device_rtc,
+	&s3c_device_usbgadget,
+        &s3c_device_sdi,
+	&amlm5900_device_nor,
+};
+
+static void __init amlm5900_map_io(void)
+{
+	s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
+	s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs));
+	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
+}
+
+static void __init amlm5900_init_time(void)
+{
+	s3c2410_init_clocks(12000000);
+	samsung_timer_init();
+}
+
+#ifdef CONFIG_FB_S3C2410
+static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
+	.width		= 160,
+	.height		= 160,
+
+	.type		= S3C2410_LCDCON1_STN4,
+
+	.pixclock	= 680000, /* HCLK = 100MHz */
+	.xres		= 160,
+	.yres		= 160,
+	.bpp		= 4,
+	.left_margin	= 1 << (4 + 3),
+	.right_margin	= 8 << 3,
+	.hsync_len	= 48,
+	.upper_margin	= 0,
+	.lower_margin	= 0,
+
+	.lcdcon5	= 0x00000001,
+};
+
+static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
+
+	.displays = &amlm5900_lcd_info,
+	.num_displays = 1,
+	.default_display = 0,
+
+	.gpccon =	0xaaaaaaaa,
+	.gpccon_mask =	0xffffffff,
+	.gpcup =	0x0000ffff,
+	.gpcup_mask =	0xffffffff,
+
+	.gpdcon =	0xaaaaaaaa,
+	.gpdcon_mask =	0xffffffff,
+	.gpdup =	0x0000ffff,
+	.gpdup_mask =	0xffffffff,
+};
+#endif
+
+static irqreturn_t
+amlm5900_wake_interrupt(int irq, void *ignored)
+{
+	return IRQ_HANDLED;
+}
+
+static void amlm5900_init_pm(void)
+{
+	int ret = 0;
+
+	ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
+				IRQF_TRIGGER_RISING | IRQF_SHARED,
+				"amlm5900_wakeup", &amlm5900_wake_interrupt);
+	if (ret != 0) {
+		printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
+	} else {
+		enable_irq_wake(IRQ_EINT9);
+		/* configure the suspend/resume status pin */
+		s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
+		s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP);
+	}
+}
+static void __init amlm5900_init(void)
+{
+	amlm5900_init_pm();
+#ifdef CONFIG_FB_S3C2410
+	s3c24xx_fb_set_platdata(&amlm5900_fb_info);
+#endif
+	s3c_i2c0_set_platdata(NULL);
+	platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
+}
+
+MACHINE_START(AML_M5900, "AML_M5900")
+	.atag_offset	= 0x100,
+	.map_io		= amlm5900_map_io,
+	.init_irq	= s3c2410_init_irq,
+	.init_machine	= amlm5900_init,
+	.init_time	= amlm5900_init_time,
+MACHINE_END