Merge branch 'master' of git://git.denx.de/u-boot-spi

board/davinci/da8xxevm/da850evm.c

@@ -49,6 +49,33 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define CFG_MAC_ADDR_OFFSET	(flash->size - SZ_64K)
 
+#ifdef CONFIG_SPL_BUILD
+#include <ns16550.h>
+#include <dm/platform_data/spi_davinci.h>
+
+static const struct ns16550_platdata da850evm_serial = {
+	.base = DAVINCI_UART2_BASE,
+	.reg_shift = 2,
+	.clock = 150000000,
+	.fcr = UART_FCR_DEFVAL,
+};
+
+U_BOOT_DEVICE(da850evm_uart) = {
+	.name = "ns16550_serial",
+	.platdata = &da850evm_serial,
+};
+
+static const struct davinci_spi_platdata davinci_spi_data = {
+        .regs = (struct davinci_spi_regs *)0x01f0e000,
+        .num_cs = 4,
+};
+
+U_BOOT_DEVICE(davinci_spi) = {
+        .name = "davinci_spi",
+        .platdata = &davinci_spi_data,
+};
+#endif
+
 #ifdef CONFIG_MAC_ADDR_IN_SPIFLASH
 static int get_mac_addr(u8 *addr)
 {

configs/da850_am18xxevm_defconfig

@@ -8,6 +8,7 @@ CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL=y
+CONFIG_SPL_DM=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=1
@@ -35,6 +36,8 @@ CONFIG_CRC32_VERIFY=y
 CONFIG_CMD_DIAG=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="da850-evm"
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_SPL_OF_PLATDATA=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_DM=y
 CONFIG_DA8XX_GPIO=y

configs/da850evm_defconfig

@@ -7,6 +7,7 @@ CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL=y
+CONFIG_SPL_DM=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=1
@@ -37,6 +38,8 @@ CONFIG_MTDIDS_DEFAULT="nor0=spi0.0"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=spi0.0:512k(u-boot.ais),64k(u-boot-env),7552k(kernel-spare),64k(MAC-Address)"
 CONFIG_CMD_DIAG=y
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_SPL_OF_PLATDATA=y
 CONFIG_DEFAULT_DEVICE_TREE="da850-evm"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_DM=y

drivers/mtd/mtd_uboot.c

@@ -104,7 +104,10 @@ int mtd_probe_devices(void)
 	mtd_probe_uclass_mtd_devs();
 
 	/* Check if mtdparts/mtdids changed since last call, otherwise: exit */
-	if (!strcmp(mtdparts, old_mtdparts) && !strcmp(mtdids, old_mtdids))
+	if ((!mtdparts && !old_mtdparts && !mtdids && !old_mtdids) ||
+	    (mtdparts && old_mtdparts && mtdids && old_mtdids &&
+	     !strcmp(mtdparts, old_mtdparts) &&
+	     !strcmp(mtdids, old_mtdids)))
 		return 0;
 
 	/* Update the local copy of mtdparts */
@@ -140,6 +143,10 @@ int mtd_probe_devices(void)
 		}
 	}
 
+	/* If either mtdparts or mtdids is empty, then exit */
+	if (!mtdparts || !mtdids)
+		return 0;
+
 	/* Start the parsing by ignoring the extra 'mtdparts=' prefix, if any */
 	if (strstr(mtdparts, "mtdparts="))
 		mtdparts += 9;

drivers/mtd/spi/sf_internal.h

@@ -32,6 +32,7 @@ enum spi_nor_option_flags {
 /* CFI Manufacture ID's */
 #define SPI_FLASH_CFI_MFR_SPANSION	0x01
 #define SPI_FLASH_CFI_MFR_STMICRO	0x20
+#define SPI_FLASH_CFI_MFR_MICRON	0x2C
 #define SPI_FLASH_CFI_MFR_MACRONIX	0xc2
 #define SPI_FLASH_CFI_MFR_SST		0xbf
 #define SPI_FLASH_CFI_MFR_WINBOND	0xef

drivers/mtd/spi/spi_flash.c

@@ -1091,6 +1091,7 @@ static int set_quad_mode(struct spi_flash *flash,
 #endif
 #ifdef CONFIG_SPI_FLASH_STMICRO
 	case SPI_FLASH_CFI_MFR_STMICRO:
+	case SPI_FLASH_CFI_MFR_MICRON:
 		debug("SF: QEB is volatile for %02x flash\n", JEDEC_MFR(info));
 		return 0;
 #endif
@@ -1178,6 +1179,7 @@ int spi_flash_scan(struct spi_flash *flash)
 #if defined(CONFIG_SPI_FLASH_STMICRO) || defined(CONFIG_SPI_FLASH_SST)
 	/* NOR protection support for STmicro/Micron chips and similar */
 	if (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_STMICRO ||
+	    JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_MICRON ||
 	    JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SST) {
 		flash->flash_lock = stm_lock;
 		flash->flash_unlock = stm_unlock;

drivers/spi/davinci_spi.c

@@ -14,6 +14,7 @@
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
 #include <dm.h>
+#include <dm/platform_data/spi_davinci.h>
 
 /* SPIGCR0 */
 #define SPIGCR0_SPIENA_MASK	0x1
@@ -529,28 +530,6 @@ static int davinci_spi_xfer(struct udevice *dev, unsigned int bitlen,
 	return __davinci_spi_xfer(ds, bitlen, dout, din, flags);
 }
 
-static int davinci_spi_probe(struct udevice *bus)
-{
-	/* Nothing to do */
-	return 0;
-}
-
-static int davinci_ofdata_to_platadata(struct udevice *bus)
-{
-	struct davinci_spi_slave *ds = dev_get_priv(bus);
-	const void *blob = gd->fdt_blob;
-	int node = dev_of_offset(bus);
-
-	ds->regs = devfdt_map_physmem(bus, sizeof(struct davinci_spi_regs));
-	if (!ds->regs) {
-		printf("%s: could not map device address\n", __func__);
-		return -EINVAL;
-	}
-	ds->num_cs = fdtdec_get_int(blob, node, "num-cs", 4);
-
-	return 0;
-}
-
 static const struct dm_spi_ops davinci_spi_ops = {
 	.claim_bus	= davinci_spi_claim_bus,
 	.release_bus	= davinci_spi_release_bus,
@@ -559,20 +538,50 @@ static const struct dm_spi_ops davinci_spi_ops = {
 	.set_mode	= davinci_spi_set_mode,
 };
 
+static int davinci_spi_probe(struct udevice *bus)
+{
+	struct davinci_spi_slave *ds = dev_get_priv(bus);
+	struct davinci_spi_platdata *plat = bus->platdata;
+	ds->regs = plat->regs;
+	ds->num_cs = plat->num_cs;
+
+	return 0;
+}
+
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+static int davinci_ofdata_to_platadata(struct udevice *bus)
+{
+	struct davinci_spi_platdata *plat = bus->platdata;
+	fdt_addr_t addr;
+
+	addr = devfdt_get_addr(bus);
+	if (addr == FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+	plat->regs = (struct davinci_spi_regs *)addr;
+	plat->num_cs = fdtdec_get_int(gd->fdt_blob, dev_of_offset(bus), "num-cs", 4);
+
+	return 0;
+}
+
 static const struct udevice_id davinci_spi_ids[] = {
 	{ .compatible = "ti,keystone-spi" },
 	{ .compatible = "ti,dm6441-spi" },
 	{ .compatible = "ti,da830-spi" },
 	{ }
 };
+#endif
 
 U_BOOT_DRIVER(davinci_spi) = {
 	.name = "davinci_spi",
 	.id = UCLASS_SPI,
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
 	.of_match = davinci_spi_ids,
-	.ops = &davinci_spi_ops,
 	.ofdata_to_platdata = davinci_ofdata_to_platadata,
-	.priv_auto_alloc_size = sizeof(struct davinci_spi_slave),
+        .platdata_auto_alloc_size = sizeof(struct davinci_spi_platdata),
+#endif
 	.probe = davinci_spi_probe,
+	.ops = &davinci_spi_ops,
+	.priv_auto_alloc_size = sizeof(struct davinci_spi_slave),
 };
 #endif

include/configs/da850evm.h

@@ -23,8 +23,6 @@
 * DM support in SPL
 */
 #ifdef CONFIG_SPL_BUILD
-#undef CONFIG_DM_SPI
-#undef CONFIG_DM_SPI_FLASH
 #undef CONFIG_DM_I2C
 #undef CONFIG_DM_I2C_COMPAT
 #endif
@@ -118,7 +116,6 @@
 
 #if !CONFIG_IS_ENABLED(DM_SERIAL)
 #define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE	-4	/* NS16550 register size */
 #define CONFIG_SYS_NS16550_COM1	DAVINCI_UART2_BASE /* Base address of UART2 */
 #endif
 #define CONFIG_SYS_NS16550_CLK	clk_get(DAVINCI_UART2_CLKID)

include/dm/platform_data/spi_davinci.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2018 Jagan Teki <jagan@amarulasolutions.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __spi_davinci_h
+#define __spi_davinci_h
+
+struct davinci_spi_platdata {
+	struct davinci_spi_regs *regs;
+	u8 num_cs;	   /* total no. of CS available */
+};
+
+#endif /* __spi_davinci_h */