v4.19.13 snapshot.
diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c
new file mode 100644
index 0000000..45940c1
--- /dev/null
+++ b/arch/arm/mach-ep93xx/snappercl15.c
@@ -0,0 +1,170 @@
+/*
+ * arch/arm/mach-ep93xx/snappercl15.c
+ * Bluewater Systems Snapper CL15 system module
+ *
+ * Copyright (C) 2009 Bluewater Systems Ltd
+ * Author: Ryan Mallon
+ *
+ * NAND code adapted from driver by:
+ * Andre Renaud <andre@bluewatersys.com>
+ * James R. McKaskill
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/fb.h>
+
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/rawnand.h>
+
+#include <mach/hardware.h>
+#include <linux/platform_data/video-ep93xx.h>
+#include <mach/gpio-ep93xx.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include "soc.h"
+
+#define SNAPPERCL15_NAND_BASE (EP93XX_CS7_PHYS_BASE + SZ_16M)
+
+#define SNAPPERCL15_NAND_WPN (1 << 8) /* Write protect (active low) */
+#define SNAPPERCL15_NAND_ALE (1 << 9) /* Address latch */
+#define SNAPPERCL15_NAND_CLE (1 << 10) /* Command latch */
+#define SNAPPERCL15_NAND_CEN (1 << 11) /* Chip enable (active low) */
+#define SNAPPERCL15_NAND_RDY (1 << 14) /* Device ready */
+
+#define NAND_CTRL_ADDR(chip) (chip->IO_ADDR_W + 0x40)
+
+static void snappercl15_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+ unsigned int ctrl)
+{
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ static u16 nand_state = SNAPPERCL15_NAND_WPN;
+ u16 set;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ set = SNAPPERCL15_NAND_CEN | SNAPPERCL15_NAND_WPN;
+
+ if (ctrl & NAND_NCE)
+ set &= ~SNAPPERCL15_NAND_CEN;
+ if (ctrl & NAND_CLE)
+ set |= SNAPPERCL15_NAND_CLE;
+ if (ctrl & NAND_ALE)
+ set |= SNAPPERCL15_NAND_ALE;
+
+ nand_state &= ~(SNAPPERCL15_NAND_CEN |
+ SNAPPERCL15_NAND_CLE |
+ SNAPPERCL15_NAND_ALE);
+ nand_state |= set;
+ __raw_writew(nand_state, NAND_CTRL_ADDR(chip));
+ }
+
+ if (cmd != NAND_CMD_NONE)
+ __raw_writew((cmd & 0xff) | nand_state, chip->IO_ADDR_W);
+}
+
+static int snappercl15_nand_dev_ready(struct mtd_info *mtd)
+{
+ struct nand_chip *chip = mtd_to_nand(mtd);
+
+ return !!(__raw_readw(NAND_CTRL_ADDR(chip)) & SNAPPERCL15_NAND_RDY);
+}
+
+static struct mtd_partition snappercl15_nand_parts[] = {
+ {
+ .name = "Kernel",
+ .offset = 0,
+ .size = SZ_2M,
+ },
+ {
+ .name = "Filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct platform_nand_data snappercl15_nand_data = {
+ .chip = {
+ .nr_chips = 1,
+ .partitions = snappercl15_nand_parts,
+ .nr_partitions = ARRAY_SIZE(snappercl15_nand_parts),
+ .chip_delay = 25,
+ },
+ .ctrl = {
+ .dev_ready = snappercl15_nand_dev_ready,
+ .cmd_ctrl = snappercl15_nand_cmd_ctrl,
+ },
+};
+
+static struct resource snappercl15_nand_resource[] = {
+ {
+ .start = SNAPPERCL15_NAND_BASE,
+ .end = SNAPPERCL15_NAND_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device snappercl15_nand_device = {
+ .name = "gen_nand",
+ .id = -1,
+ .dev.platform_data = &snappercl15_nand_data,
+ .resource = snappercl15_nand_resource,
+ .num_resources = ARRAY_SIZE(snappercl15_nand_resource),
+};
+
+static struct ep93xx_eth_data __initdata snappercl15_eth_data = {
+ .phy_id = 1,
+};
+
+static struct i2c_board_info __initdata snappercl15_i2c_data[] = {
+ {
+ /* Audio codec */
+ I2C_BOARD_INFO("tlv320aic23", 0x1a),
+ },
+};
+
+static struct ep93xxfb_mach_info __initdata snappercl15_fb_info = {
+};
+
+static struct platform_device snappercl15_audio_device = {
+ .name = "snappercl15-audio",
+ .id = -1,
+};
+
+static void __init snappercl15_register_audio(void)
+{
+ ep93xx_register_i2s();
+ platform_device_register(&snappercl15_audio_device);
+}
+
+static void __init snappercl15_init_machine(void)
+{
+ ep93xx_init_devices();
+ ep93xx_register_eth(&snappercl15_eth_data, 1);
+ ep93xx_register_i2c(snappercl15_i2c_data,
+ ARRAY_SIZE(snappercl15_i2c_data));
+ ep93xx_register_fb(&snappercl15_fb_info);
+ snappercl15_register_audio();
+ platform_device_register(&snappercl15_nand_device);
+}
+
+MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15")
+ /* Maintainer: Ryan Mallon */
+ .atag_offset = 0x100,
+ .map_io = ep93xx_map_io,
+ .init_irq = ep93xx_init_irq,
+ .init_time = ep93xx_timer_init,
+ .init_machine = snappercl15_init_machine,
+ .init_late = ep93xx_init_late,
+ .restart = ep93xx_restart,
+MACHINE_END