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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-davinci/board-sffsdr.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-davinci/board-sffsdr.c')
-rw-r--r--arch/arm/mach-davinci/board-sffsdr.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c
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index 000000000..79b47958e
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+++ b/arch/arm/mach-davinci/board-sffsdr.c
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Lyrtech SFFSDR board support.
+ *
+ * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ *
+ * Based on DV-EVM platform, original copyright follows:
+ *
+ * Copyright (C) 2007 MontaVista Software, Inc.
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/property.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/rawnand.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#include <mach/common.h>
+#include <linux/platform_data/i2c-davinci.h>
+#include <mach/serial.h>
+#include <mach/mux.h>
+#include <linux/platform_data/usb-davinci.h>
+
+#include "davinci.h"
+
+#define SFFSDR_PHY_ID "davinci_mdio-0:01"
+static struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
+ /* U-Boot Environment: Block 0
+ * UBL: Block 1
+ * U-Boot: Blocks 6-7 (256 kb)
+ * Integrity Kernel: Blocks 8-31 (3 Mb)
+ * Integrity Data: Blocks 100-END
+ */
+ {
+ .name = "Linux Kernel",
+ .offset = 32 * SZ_128K,
+ .size = 16 * SZ_128K, /* 2 Mb */
+ .mask_flags = MTD_WRITEABLE, /* Force read-only */
+ },
+ {
+ .name = "Linux ROOT",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 256 * SZ_128K, /* 32 Mb */
+ .mask_flags = 0, /* R/W */
+ },
+};
+
+static struct flash_platform_data davinci_sffsdr_nandflash_data = {
+ .parts = davinci_sffsdr_nandflash_partition,
+ .nr_parts = ARRAY_SIZE(davinci_sffsdr_nandflash_partition),
+};
+
+static struct resource davinci_sffsdr_nandflash_resource[] = {
+ {
+ .start = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
+ .end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = DM644X_ASYNC_EMIF_CONTROL_BASE,
+ .end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device davinci_sffsdr_nandflash_device = {
+ .name = "davinci_nand", /* Name of driver */
+ .id = 0,
+ .dev = {
+ .platform_data = &davinci_sffsdr_nandflash_data,
+ },
+ .num_resources = ARRAY_SIZE(davinci_sffsdr_nandflash_resource),
+ .resource = davinci_sffsdr_nandflash_resource,
+};
+
+static const struct property_entry eeprom_properties[] = {
+ PROPERTY_ENTRY_U32("pagesize", 32),
+ { }
+};
+
+static struct i2c_board_info __initdata i2c_info[] = {
+ {
+ I2C_BOARD_INFO("24c64", 0x50),
+ .properties = eeprom_properties,
+ },
+ /* Other I2C devices:
+ * MSP430, addr 0x23 (not used)
+ * PCA9543, addr 0x70 (setup done by U-Boot)
+ * ADS7828, addr 0x48 (ADC for voltage monitoring.)
+ */
+};
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+ .bus_freq = 20 /* kHz */,
+ .bus_delay = 100 /* usec */,
+};
+
+static void __init sffsdr_init_i2c(void)
+{
+ davinci_init_i2c(&i2c_pdata);
+ i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
+}
+
+static struct platform_device *davinci_sffsdr_devices[] __initdata = {
+ &davinci_sffsdr_nandflash_device,
+};
+
+static void __init davinci_sffsdr_map_io(void)
+{
+ dm644x_init();
+}
+
+static __init void davinci_sffsdr_init(void)
+{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ dm644x_register_clocks();
+
+ dm644x_init_devices();
+
+ platform_add_devices(davinci_sffsdr_devices,
+ ARRAY_SIZE(davinci_sffsdr_devices));
+ sffsdr_init_i2c();
+ davinci_serial_init(dm644x_serial_device);
+ soc_info->emac_pdata->phy_id = SFFSDR_PHY_ID;
+ davinci_setup_usb(0, 0); /* We support only peripheral mode. */
+
+ /* mux VLYNQ pins */
+ davinci_cfg_reg(DM644X_VLYNQEN);
+ davinci_cfg_reg(DM644X_VLYNQWD);
+}
+
+MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
+ .atag_offset = 0x100,
+ .map_io = davinci_sffsdr_map_io,
+ .init_irq = dm644x_init_irq,
+ .init_time = dm644x_init_time,
+ .init_machine = davinci_sffsdr_init,
+ .init_late = davinci_init_late,
+ .dma_zone_size = SZ_128M,
+MACHINE_END