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-sa1100/lart.c | 177 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100644 arch/arm/mach-sa1100/lart.c

(limited to 'arch/arm/mach-sa1100/lart.c')

diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c
new file mode 100644
index 000000000..e3a027975
--- /dev/null
+++ b/arch/arm/mach-sa1100/lart.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/arch/arm/mach-sa1100/lart.c
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_data/sa11x0-serial.h>
+#include <linux/tty.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+
+#include <video/sa1100fb.h>
+
+#include <mach/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/page.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <linux/platform_data/mfd-mcp-sa11x0.h>
+#include <mach/irqs.h>
+
+#include "generic.h"
+
+static struct mcp_plat_data lart_mcp_data = {
+	.mccr0		= MCCR0_ADM,
+	.sclk_rate	= 11981000,
+};
+
+#ifdef LART_GREY_LCD
+static struct sa1100fb_mach_info lart_grey_info = {
+	.pixclock	= 150000,	.bpp		= 4,
+	.xres		= 320,		.yres		= 240,
+
+	.hsync_len	= 1,		.vsync_len	= 1,
+	.left_margin	= 4,		.upper_margin	= 0,
+	.right_margin	= 2,		.lower_margin	= 0,
+
+	.cmap_greyscale	= 1,
+	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+
+	.lccr0		= LCCR0_Mono | LCCR0_Sngl | LCCR0_Pas | LCCR0_4PixMono,
+	.lccr3		= LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512),
+};
+#endif
+#ifdef LART_COLOR_LCD
+static struct sa1100fb_mach_info lart_color_info = {
+	.pixclock	= 150000,	.bpp		= 16,
+	.xres		= 320,		.yres		= 240,
+
+	.hsync_len	= 2,		.vsync_len	= 3,
+	.left_margin	= 69,		.upper_margin	= 14,
+	.right_margin	= 8,		.lower_margin	= 4,
+
+	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+	.lccr3		= LCCR3_OutEnH | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512),
+};
+#endif
+#ifdef LART_VIDEO_OUT
+static struct sa1100fb_mach_info lart_video_info = {
+	.pixclock	= 39721,	.bpp		= 16,
+	.xres		= 640,		.yres		= 480,
+
+	.hsync_len	= 95,		.vsync_len	= 2,
+	.left_margin	= 40,		.upper_margin	= 32,
+	.right_margin	= 24,		.lower_margin	= 11,
+
+	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+
+	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+	.lccr3		= LCCR3_OutEnL | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512),
+};
+#endif
+
+#ifdef LART_KIT01_LCD
+static struct sa1100fb_mach_info lart_kit01_info = {
+	.pixclock	= 63291,	.bpp		= 16,
+	.xres		= 640,		.yres		= 480,
+
+	.hsync_len	= 64,		.vsync_len	= 3,
+	.left_margin	= 122,		.upper_margin	= 45,
+	.right_margin	= 10,		.lower_margin	= 10,
+
+	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+	.lccr3		= LCCR3_OutEnH | LCCR3_PixFlEdg
+};
+#endif
+
+static void __init lart_init(void)
+{
+	struct sa1100fb_mach_info *inf = NULL;
+
+#ifdef LART_GREY_LCD
+	inf = &lart_grey_info;
+#endif
+#ifdef LART_COLOR_LCD
+	inf = &lart_color_info;
+#endif
+#ifdef LART_VIDEO_OUT
+	inf = &lart_video_info;
+#endif
+#ifdef LART_KIT01_LCD
+	inf = &lart_kit01_info;
+#endif
+
+	if (inf)
+		sa11x0_register_lcd(inf);
+
+	sa11x0_ppc_configure_mcp();
+	sa11x0_register_mcp(&lart_mcp_data);
+}
+
+static struct map_desc lart_io_desc[] __initdata = {
+	{	/* main flash memory */
+		.virtual	=  0xe8000000,
+		.pfn		= __phys_to_pfn(0x00000000),
+		.length		= 0x00400000,
+		.type		= MT_DEVICE
+	}, {	/* main flash, alternative location */
+		.virtual	=  0xec000000,
+		.pfn		= __phys_to_pfn(0x08000000),
+		.length		= 0x00400000,
+		.type		= MT_DEVICE
+	}
+};
+
+/* LEDs */
+struct gpio_led lart_gpio_leds[] = {
+	{
+		.name			= "lart:red",
+		.default_trigger	= "cpu0",
+		.gpio			= 23,
+	},
+};
+
+static struct gpio_led_platform_data lart_gpio_led_info = {
+	.leds		= lart_gpio_leds,
+	.num_leds	= ARRAY_SIZE(lart_gpio_leds),
+};
+
+static struct platform_device lart_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &lart_gpio_led_info,
+	}
+};
+static void __init lart_map_io(void)
+{
+	sa1100_map_io();
+	iotable_init(lart_io_desc, ARRAY_SIZE(lart_io_desc));
+
+	sa1100_register_uart(0, 3);
+	sa1100_register_uart(1, 1);
+	sa1100_register_uart(2, 2);
+
+	GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
+	GPDR |= GPIO_UART_TXD;
+	GPDR &= ~GPIO_UART_RXD;
+	PPAR |= PPAR_UPR;
+
+	platform_device_register(&lart_leds);
+}
+
+MACHINE_START(LART, "LART")
+	.atag_offset	= 0x100,
+	.map_io		= lart_map_io,
+	.nr_irqs	= SA1100_NR_IRQS,
+	.init_irq	= sa1100_init_irq,
+	.init_machine	= lart_init,
+	.init_late	= sa11x0_init_late,
+	.init_time	= sa1100_timer_init,
+	.restart	= sa11x0_restart,
+MACHINE_END
-- 
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