add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/arm/mach-davinci/board-mityomapl138.c
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@@ -1,7 +1,7 @@
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 /*
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  * Critical Link MityOMAP-L138 SoM
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  *
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- * Copyright (C) 2010 Critical Link LLC - http://www.criticallink.com
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+ * Copyright (C) 2010 Critical Link LLC - https://www.criticallink.com
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  *
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  * This file is licensed under the terms of the GNU General Public License
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  * version 2. This program is licensed "as is" without any warranty of
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@@ -14,10 +14,13 @@
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 #include <linux/init.h>
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 #include <linux/console.h>
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 #include <linux/platform_device.h>
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+#include <linux/property.h>
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 #include <linux/mtd/partitions.h>
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+#include <linux/notifier.h>
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+#include <linux/nvmem-consumer.h>
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+#include <linux/nvmem-provider.h>
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 #include <linux/regulator/machine.h>
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 #include <linux/i2c.h>
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-#include <linux/platform_data/at24.h>
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 #include <linux/etherdevice.h>
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 #include <linux/spi/spi.h>
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 #include <linux/spi/flash.h>
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@@ -26,7 +29,6 @@
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 #include <asm/mach-types.h>
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 #include <asm/mach/arch.h>
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 #include <mach/common.h>
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-#include "cp_intc.h"
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 #include <mach/da8xx.h>
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 #include <linux/platform_data/mtd-davinci.h>
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 #include <linux/platform_data/mtd-davinci-aemif.h>
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@@ -116,11 +118,15 @@
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 static void mityomapl138_cpufreq_init(const char *partnum) { }
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 #endif
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-static void read_factory_config(struct nvmem_device *nvmem, void *context)
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+static int read_factory_config(struct notifier_block *nb,
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+			       unsigned long event, void *data)
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 {
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 	int ret;
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 	const char *partnum = NULL;
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-	struct davinci_soc_info *soc_info = &davinci_soc_info;
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+	struct nvmem_device *nvmem = data;
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+
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+	if (strcmp(nvmem_dev_name(nvmem), "1-00500") != 0)
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+		return NOTIFY_DONE;
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 	if (!IS_BUILTIN(CONFIG_NVMEM)) {
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 		pr_warn("Factory Config not available without CONFIG_NVMEM\n");
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@@ -146,27 +152,49 @@
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 		goto bad_config;
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 	}
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-	pr_info("Found MAC = %pM\n", factory_config.mac);
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-	if (is_valid_ether_addr(factory_config.mac))
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-		memcpy(soc_info->emac_pdata->mac_addr,
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-			factory_config.mac, ETH_ALEN);
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-	else
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-		pr_warn("Invalid MAC found in factory config block\n");
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-
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 	partnum = factory_config.partnum;
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 	pr_info("Part Number = %s\n", partnum);
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 bad_config:
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 	/* default maximum speed is valid for all platforms */
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 	mityomapl138_cpufreq_init(partnum);
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+
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+	return NOTIFY_STOP;
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 }
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-static struct at24_platform_data mityomapl138_fd_chip = {
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-	.byte_len	= 256,
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-	.page_size	= 8,
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-	.flags		= AT24_FLAG_READONLY | AT24_FLAG_IRUGO,
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-	.setup		= read_factory_config,
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-	.context	= NULL,
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+static struct notifier_block mityomapl138_nvmem_notifier = {
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+	.notifier_call = read_factory_config,
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+};
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+
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+/*
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+ * We don't define a cell for factory config as it will be accessed from the
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+ * board file using the nvmem notifier chain.
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+ */
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+static struct nvmem_cell_info mityomapl138_nvmem_cells[] = {
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+	{
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+		.name		= "macaddr",
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+		.offset		= 0x64,
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+		.bytes		= ETH_ALEN,
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+	}
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+};
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+
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+static struct nvmem_cell_table mityomapl138_nvmem_cell_table = {
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+	.nvmem_name	= "1-00500",
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+	.cells		= mityomapl138_nvmem_cells,
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+	.ncells		= ARRAY_SIZE(mityomapl138_nvmem_cells),
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+};
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+
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+static struct nvmem_cell_lookup mityomapl138_nvmem_cell_lookup = {
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+	.nvmem_name	= "1-00500",
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+	.cell_name	= "macaddr",
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+	.dev_id		= "davinci_emac.1",
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+	.con_id		= "mac-address",
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+};
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+
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+static const struct property_entry mityomapl138_fd_chip_properties[] = {
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+	PROPERTY_ENTRY_U32("pagesize", 8),
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+	PROPERTY_ENTRY_BOOL("read-only"),
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+	{ }
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 };
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 static struct davinci_i2c_platform_data mityomap_i2c_0_pdata = {
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@@ -295,7 +323,7 @@
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 	},
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 	{
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 		I2C_BOARD_INFO("24c02", 0x50),
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-		.platform_data = &mityomapl138_fd_chip,
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+		.properties = mityomapl138_fd_chip_properties,
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 	},
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 };
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@@ -404,7 +432,7 @@
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 	.core_chipsel	= 1,
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 	.parts		= mityomapl138_nandflash_partition,
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 	.nr_parts	= ARRAY_SIZE(mityomapl138_nandflash_partition),
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-	.ecc_mode	= NAND_ECC_HW,
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+	.engine_type	= NAND_ECC_ENGINE_TYPE_ON_HOST,
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 	.bbt_options	= NAND_BBT_USE_FLASH,
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 	.options	= NAND_BUSWIDTH_16,
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 	.ecc_bits	= 1, /* 4 bit mode is not supported with 16 bit NAND */
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@@ -543,6 +571,10 @@
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 	davinci_serial_init(da8xx_serial_device);
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+	nvmem_register_notifier(&mityomapl138_nvmem_notifier);
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+	nvmem_add_cell_table(&mityomapl138_nvmem_cell_table);
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+	nvmem_add_cell_lookups(&mityomapl138_nvmem_cell_lookup, 1);
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+
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 	ret = da8xx_register_i2c(0, &mityomap_i2c_0_pdata);
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 	if (ret)
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 		pr_warn("i2c0 registration failed: %d\n", ret);
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@@ -595,7 +627,7 @@
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 MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808")
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 	.atag_offset	= 0x100,
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 	.map_io		= mityomapl138_map_io,
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-	.init_irq	= cp_intc_init,
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+	.init_irq	= da850_init_irq,
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 	.init_time	= da850_init_time,
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 	.init_machine	= mityomapl138_init,
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 	.init_late	= davinci_init_late,