v4.19.13 snapshot.
diff --git a/arch/arm/mach-sa1100/hackkit.c b/arch/arm/mach-sa1100/hackkit.c
new file mode 100644
index 0000000..643d5f2
--- /dev/null
+++ b/arch/arm/mach-sa1100/hackkit.c
@@ -0,0 +1,236 @@
+/*
+ * linux/arch/arm/mach-sa1100/hackkit.c
+ *
+ * Copyright (C) 2002 Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de>
+ *
+ * This file contains all HackKit tweaks. Based on original work from
+ * Nicolas Pitre's assabet fixes
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/cpufreq.h>
+#include <linux/platform_data/sa11x0-serial.h>
+#include <linux/serial_core.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/tty.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+
+#include "generic.h"
+
+/**********************************************************************
+ * prototypes
+ */
+
+/* init funcs */
+static void __init hackkit_map_io(void);
+
+static u_int hackkit_get_mctrl(struct uart_port *port);
+static void hackkit_set_mctrl(struct uart_port *port, u_int mctrl);
+static void hackkit_uart_pm(struct uart_port *port, u_int state, u_int oldstate);
+
+/**********************************************************************
+ * global data
+ */
+
+/**********************************************************************
+ * static data
+ */
+
+static struct map_desc hackkit_io_desc[] __initdata = {
+ { /* Flash bank 0 */
+ .virtual = 0xe8000000,
+ .pfn = __phys_to_pfn(0x00000000),
+ .length = 0x01000000,
+ .type = MT_DEVICE
+ },
+};
+
+static struct sa1100_port_fns hackkit_port_fns __initdata = {
+ .set_mctrl = hackkit_set_mctrl,
+ .get_mctrl = hackkit_get_mctrl,
+ .pm = hackkit_uart_pm,
+};
+
+/**********************************************************************
+ * Static functions
+ */
+
+static void __init hackkit_map_io(void)
+{
+ sa1100_map_io();
+ iotable_init(hackkit_io_desc, ARRAY_SIZE(hackkit_io_desc));
+
+ sa1100_register_uart_fns(&hackkit_port_fns);
+ sa1100_register_uart(0, 1); /* com port */
+ sa1100_register_uart(1, 2);
+ sa1100_register_uart(2, 3); /* radio module */
+
+ Ser1SDCR0 |= SDCR0_SUS;
+}
+
+/**
+ * hackkit_uart_pm - powermgmt callback function for system 3 UART
+ * @port: uart port structure
+ * @state: pm state
+ * @oldstate: old pm state
+ *
+ */
+static void hackkit_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
+{
+ /* TODO: switch on/off uart in powersave mode */
+}
+
+/*
+ * Note! this can be called from IRQ context.
+ * FIXME: No modem ctrl lines yet.
+ */
+static void hackkit_set_mctrl(struct uart_port *port, u_int mctrl)
+{
+#if 0
+ if (port->mapbase == _Ser1UTCR0) {
+ u_int set = 0, clear = 0;
+
+ if (mctrl & TIOCM_RTS)
+ set |= PT_CTRL2_RS1_RTS;
+ else
+ clear |= PT_CTRL2_RS1_RTS;
+
+ if (mctrl & TIOCM_DTR)
+ set |= PT_CTRL2_RS1_DTR;
+ else
+ clear |= PT_CTRL2_RS1_DTR;
+
+ PTCTRL2_clear(clear);
+ PTCTRL2_set(set);
+ }
+#endif
+}
+
+static u_int hackkit_get_mctrl(struct uart_port *port)
+{
+ u_int ret = 0;
+#if 0
+ u_int irqsr = PT_IRQSR;
+
+ /* need 2 reads to read current value */
+ irqsr = PT_IRQSR;
+
+ /* TODO: check IRQ source register for modem/com
+ status lines and set them correctly. */
+#endif
+
+ ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
+
+ return ret;
+}
+
+static struct mtd_partition hackkit_partitions[] = {
+ {
+ .name = "BLOB",
+ .size = 0x00040000,
+ .offset = 0x00000000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "config",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "kernel",
+ .size = 0x00100000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "initrd",
+ .size = 0x00180000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "rootfs",
+ .size = 0x700000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "data",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+static struct flash_platform_data hackkit_flash_data = {
+ .map_name = "cfi_probe",
+ .parts = hackkit_partitions,
+ .nr_parts = ARRAY_SIZE(hackkit_partitions),
+};
+
+static struct resource hackkit_flash_resource =
+ DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M);
+
+/* LEDs */
+struct gpio_led hackkit_gpio_leds[] = {
+ {
+ .name = "hackkit:red",
+ .default_trigger = "cpu0",
+ .gpio = 22,
+ },
+ {
+ .name = "hackkit:green",
+ .default_trigger = "heartbeat",
+ .gpio = 23,
+ },
+};
+
+static struct gpio_led_platform_data hackkit_gpio_led_info = {
+ .leds = hackkit_gpio_leds,
+ .num_leds = ARRAY_SIZE(hackkit_gpio_leds),
+};
+
+static struct platform_device hackkit_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &hackkit_gpio_led_info,
+ }
+};
+
+static void __init hackkit_init(void)
+{
+ sa11x0_register_mtd(&hackkit_flash_data, &hackkit_flash_resource, 1);
+ platform_device_register(&hackkit_leds);
+}
+
+/**********************************************************************
+ * Exported Functions
+ */
+
+MACHINE_START(HACKKIT, "HackKit Cpu Board")
+ .atag_offset = 0x100,
+ .map_io = hackkit_map_io,
+ .nr_irqs = SA1100_NR_IRQS,
+ .init_irq = sa1100_init_irq,
+ .init_time = sa1100_timer_init,
+ .init_machine = hackkit_init,
+ .init_late = sa11x0_init_late,
+ .restart = sa11x0_restart,
+MACHINE_END