Merge branch 'spi' of git://git.denx.de/u-boot-x86

4 files changed, 110 insertions, 3 deletions

diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h
index 87daf62..a4aa8f7 100644
--- a/include/configs/coreboot.h
+++ b/include/configs/coreboot.h
@@ -179,6 +179,8 @@
 #define CONFIG_CMD_SAVEENV
 #define CONFIG_CMD_SETGETDCR
 #define CONFIG_CMD_SOURCE
+#define CONFIG_CMD_TIME
+#define CONFIG_CMD_GETTIME
 #define CONFIG_CMD_XIMG
 #define CONFIG_CMD_SCSI
 
@@ -257,10 +259,16 @@
 /*-----------------------------------------------------------------------
  * FLASH configuration
  */
+#define CONFIG_ICH_SPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_MACRONIX
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SPI_FLASH_GIGADEVICE
 #define CONFIG_SYS_NO_FLASH
-#undef CONFIG_FLASH_CFI_DRIVER
-#define CONFIG_SYS_MAX_FLASH_SECT		1
-#define CONFIG_SYS_MAX_FLASH_BANKS		1
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SF_TEST
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI
 
 /*-----------------------------------------------------------------------
  * Environment configuration
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 2189483..3b363be 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -38,11 +38,13 @@
  */
 #ifdef CONFIG_PHYS_64BIT
 typedef u64 fdt_addr_t;
+typedef u64 fdt_size_t;
 #define FDT_ADDR_T_NONE (-1ULL)
 #define fdt_addr_to_cpu(reg) be64_to_cpu(reg)
 #define fdt_size_to_cpu(reg) be64_to_cpu(reg)
 #else
 typedef u32 fdt_addr_t;
+typedef u32 fdt_size_t;
 #define FDT_ADDR_T_NONE (-1U)
 #define fdt_addr_to_cpu(reg) be32_to_cpu(reg)
 #define fdt_size_to_cpu(reg) be32_to_cpu(reg)
@@ -84,6 +86,7 @@ enum fdt_compat_id {
 	COMPAT_SAMSUNG_EXYNOS_EHCI,	/* Exynos EHCI controller */
 	COMPAT_SAMSUNG_EXYNOS_USB_PHY,	/* Exynos phy controller for usb2.0 */
 	COMPAT_MAXIM_MAX77686_PMIC,	/* MAX77686 PMIC */
+	COMPAT_GENERIC_SPI_FLASH,	/* Generic SPI Flash chip */
 
 	COMPAT_COUNT,
 };
@@ -200,6 +203,19 @@ fdt_addr_t fdtdec_get_addr(const void *blob, int node,
 		const char *prop_name);
 
 /**
+ * Look up an address property in a node and return it as an address.
+ * The property must hold one address with a length. This is only tested
+ * on 32-bit machines.
+ *
+ * @param blob	FDT blob
+ * @param node	node to examine
+ * @param prop_name	name of property to find
+ * @return address, if found, or FDT_ADDR_T_NONE if not
+ */
+fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
+		const char *prop_name, fdt_size_t *sizep);
+
+/**
  * Look up a 32-bit integer property in a node and return it. The property
  * must have at least 4 bytes of data. The value of the first cell is
  * returned.
diff --git a/include/spi.h b/include/spi.h
index 60e85db..3fe2e1e 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -49,10 +49,13 @@
  *
  *   bus:	ID of the bus that the slave is attached to.
  *   cs:	ID of the chip select connected to the slave.
+ *   max_write_size:	If non-zero, the maximum number of bytes which can
+ *		be written at once, excluding command bytes.
  */
 struct spi_slave {
 	unsigned int	bus;
 	unsigned int	cs;
+	unsigned int max_write_size;
 };
 
 /*-----------------------------------------------------------------------
@@ -62,6 +65,47 @@ struct spi_slave {
  */
 void spi_init(void);
 
+/**
+ * spi_do_alloc_slave - Allocate a new SPI slave (internal)
+ *
+ * Allocate and zero all fields in the spi slave, and set the bus/chip
+ * select. Use the helper macro spi_alloc_slave() to call this.
+ *
+ * @offset: Offset of struct spi_slave within slave structure
+ * @size: Size of slave structure
+ * @bus: Bus ID of the slave chip.
+ * @cs: Chip select ID of the slave chip on the specified bus.
+ */
+void *spi_do_alloc_slave(int offset, int size, unsigned int bus,
+			 unsigned int cs);
+
+/**
+ * spi_alloc_slave - Allocate a new SPI slave
+ *
+ * Allocate and zero all fields in the spi slave, and set the bus/chip
+ * select.
+ *
+ * @_struct: Name of structure to allocate (e.g. struct tegra_spi). This
+ *	structure must contain a member 'struct spi_slave *slave'.
+ * @bus: Bus ID of the slave chip.
+ * @cs: Chip select ID of the slave chip on the specified bus.
+ */
+#define spi_alloc_slave(_struct, bus, cs) \
+	spi_do_alloc_slave(offsetof(_struct, slave), \
+			    sizeof(_struct), bus, cs)
+
+/**
+ * spi_alloc_slave_base - Allocate a new SPI slave with no private data
+ *
+ * Allocate and zero all fields in the spi slave, and set the bus/chip
+ * select.
+ *
+ * @bus: Bus ID of the slave chip.
+ * @cs: Chip select ID of the slave chip on the specified bus.
+ */
+#define spi_alloc_slave_base(bus, cs) \
+	spi_do_alloc_slave(0, sizeof(struct spi_slave), bus, cs)
+
 /*-----------------------------------------------------------------------
  * Set up communications parameters for a SPI slave.
  *
diff --git a/include/spi_flash.h b/include/spi_flash.h
index 9da9062..3b6a44e 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -39,6 +39,7 @@ struct spi_flash {
 	/* Erase (sector) size */
 	u32		sector_size;
 
+	void *memory_map;	/* Address of read-only SPI flash access */
 	int		(*read)(struct spi_flash *flash, u32 offset,
 				size_t len, void *buf);
 	int		(*write)(struct spi_flash *flash, u32 offset,
@@ -47,6 +48,44 @@ struct spi_flash {
 				size_t len);
 };
 
+/**
+ * spi_flash_do_alloc - Allocate a new spi flash structure
+ *
+ * The structure is allocated and cleared with default values for
+ * read, write and erase, which the caller can modify. The caller must set
+ * up size, page_size and sector_size.
+ *
+ * Use the helper macro spi_flash_alloc() to call this.
+ *
+ * @offset: Offset of struct spi_slave within slave structure
+ * @size: Size of slave structure
+ * @spi: SPI slave
+ * @name: Name of SPI flash device
+ */
+void *spi_flash_do_alloc(int offset, int size, struct spi_slave *spi,
+			 const char *name);
+
+/**
+ * spi_flash_alloc - Allocate a new SPI flash structure
+ *
+ * @_struct: Name of structure to allocate (e.g. struct ramtron_spi_fram). This
+ *	structure must contain a member 'struct spi_flash *flash'.
+ * @spi: SPI slave
+ * @name: Name of SPI flash device
+ */
+#define spi_flash_alloc(_struct, spi, name) \
+	spi_flash_do_alloc(offsetof(_struct, flash), sizeof(_struct), \
+				spi, name)
+
+/**
+ * spi_flash_alloc_base - Allocate a new SPI flash structure with no private data
+ *
+ * @spi: SPI slave
+ * @name: Name of SPI flash device
+ */
+#define spi_flash_alloc_base(spi, name) \
+	spi_flash_do_alloc(0, sizeof(struct spi_flash), spi, name)
+
 struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
 		unsigned int max_hz, unsigned int spi_mode);
 void spi_flash_free(struct spi_flash *flash);