diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/arm925t.h | 11 | ||||
| -rw-r--r-- | include/common.h | 6 | ||||
| -rw-r--r-- | include/configs/am335x_evm.h | 23 | ||||
| -rw-r--r-- | include/configs/da850evm.h | 2 | ||||
| -rw-r--r-- | include/configs/dra7xx_evm.h | 19 | ||||
| -rw-r--r-- | include/configs/km/keymile-common.h | 1 | ||||
| -rw-r--r-- | include/configs/km/km83xx-common.h | 1 | ||||
| -rw-r--r-- | include/configs/km82xx.h | 1 | ||||
| -rw-r--r-- | include/configs/omap1510inn.h | 166 | ||||
| -rw-r--r-- | include/configs/omap5_common.h | 45 | ||||
| -rw-r--r-- | include/configs/socfpga_cyclone5.h | 1 | ||||
| -rw-r--r-- | include/configs/top9000.h | 1 | ||||
| -rw-r--r-- | include/spi.h | 100 | ||||
| -rw-r--r-- | include/spi_flash.h | 103 |
14 files changed, 156 insertions, 324 deletions
diff --git a/include/arm925t.h b/include/arm925t.h deleted file mode 100644 index 3d767b35c..000000000 --- a/include/arm925t.h +++ /dev/null @@ -1,11 +0,0 @@ -/************************************************ - * NAME : arm925t.h - * Version : 23 June 2003 * - ************************************************/ - -#ifndef __ARM925T_H__ -#define __ARM925T_H__ - -void archflashwp(void *archdata, int wp); - -#endif /*__ARM925T_H__*/ diff --git a/include/common.h b/include/common.h index f1a590a15..bed43168f 100644 --- a/include/common.h +++ b/include/common.h @@ -596,6 +596,12 @@ void ddr_enable_ecc(unsigned int dram_size); #endif #endif +/* + * Return the current value of a monotonically increasing microsecond timer. + * Granularity may be larger than 1us if hardware does not support this. + */ +ulong timer_get_us(void); + /* $(CPU)/cpu.c */ static inline int cpumask_next(int cpu, unsigned int mask) { diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index 348247050..f746e4854 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -46,7 +46,7 @@ "nandboot=echo Booting from nand ...; " \ "run nandargs; " \ "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \ - "bootm ${loadaddr}\0" \ + "bootz ${loadaddr}\0" \ "nandimgsize=0x500000\0" #else #define NANDARGS "" @@ -61,8 +61,9 @@ "fdt_high=0xffffffff\0" \ "boot_fdt=try\0" \ "rdaddr=0x81000000\0" \ + "bootpart=0:2\0" \ "bootdir=/boot\0" \ - "bootfile=uImage\0" \ + "bootfile=zImage\0" \ "fdtfile=undefined\0" \ "console=ttyO0,115200n8\0" \ "optargs=\0" \ @@ -71,7 +72,6 @@ "mmcdev=0\0" \ "mmcroot=/dev/mmcblk0p2 ro\0" \ "mmcrootfstype=ext4 rootwait\0" \ - "bootpart=0:2\0" \ "rootpath=/export/rootfs\0" \ "nfsopts=nolock\0" \ "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ @@ -106,21 +106,21 @@ "root=${ramroot} " \ "rootfstype=${ramrootfstype}\0" \ "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ - "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ + "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ "mmcloados=run mmcargs; " \ "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ "if run loadfdt; then " \ - "bootm ${loadaddr} - ${fdtaddr}; " \ + "bootz ${loadaddr} - ${fdtaddr}; " \ "else " \ "if test ${boot_fdt} = try; then " \ - "bootm; " \ + "bootz; " \ "else " \ "echo WARN: Cannot load the DT; " \ "fi; " \ "fi; " \ "else " \ - "bootm; " \ + "bootz; " \ "fi;\0" \ "mmcboot=mmc dev ${mmcdev}; " \ "if mmc rescan; then " \ @@ -133,7 +133,7 @@ "echo Running uenvcmd ...;" \ "run uenvcmd;" \ "fi;" \ - "if run loaduimage; then " \ + "if run loadimage; then " \ "run mmcloados;" \ "fi;" \ "fi;\0" \ @@ -141,17 +141,17 @@ "run spiargs; " \ "sf probe ${spibusno}:0; " \ "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ - "bootm ${loadaddr}\0" \ + "bootz ${loadaddr}\0" \ "netboot=echo Booting from network ...; " \ "setenv autoload no; " \ "dhcp; " \ "tftp ${loadaddr} ${bootfile}; " \ "tftp ${fdtaddr} ${fdtfile}; " \ "run netargs; " \ - "bootm ${loadaddr} - ${fdtaddr}\0" \ + "bootz ${loadaddr} - ${fdtaddr}\0" \ "ramboot=echo Booting from ramdisk ...; " \ "run ramargs; " \ - "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ + "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ "findfdt="\ "if test $board_name = A335BONE; then " \ "setenv fdtfile am335x-bone.dtb; fi; " \ @@ -171,7 +171,6 @@ "run mmcboot;" \ "setenv mmcdev 1; " \ "setenv bootpart 1:2; " \ - "setenv mmcroot /dev/mmcblk1p2 ro; " \ "run mmcboot;" \ "run nandboot;" diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h index e63d7c4ab..984550603 100644 --- a/include/configs/da850evm.h +++ b/include/configs/da850evm.h @@ -147,6 +147,7 @@ #define CONFIG_SPI_FLASH #define CONFIG_SPI_FLASH_STMICRO #define CONFIG_SPI_FLASH_WINBOND +#define CONFIG_CMD_SF #define CONFIG_DAVINCI_SPI #define CONFIG_SYS_SPI_BASE DAVINCI_SPI1_BASE #define CONFIG_SYS_SPI_CLK clk_get(DAVINCI_SPI1_CLKID) @@ -334,7 +335,6 @@ #undef CONFIG_CMD_IMLS #undef CONFIG_CMD_FLASH #define CONFIG_CMD_SPI -#define CONFIG_CMD_SF #define CONFIG_CMD_SAVEENV #endif diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h index 7b120de21..51e0e801a 100644 --- a/include/configs/dra7xx_evm.h +++ b/include/configs/dra7xx_evm.h @@ -48,4 +48,23 @@ #define CONFIG_PHYLIB #define CONFIG_PHY_ADDR 2 +/* SPI */ +#undef CONFIG_OMAP3_SPI +#define CONFIG_TI_QSPI +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_SPANSION +#define CONFIG_CMD_SF +#define CONFIG_CMD_SPI +#define CONFIG_TI_SPI_MMAP +#define CONFIG_SF_DEFAULT_SPEED 48000000 +#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_3 + +/* SPI SPL */ +#define CONFIG_SPL_SPI_SUPPORT +#define CONFIG_SPL_SPI_LOAD +#define CONFIG_SPL_SPI_FLASH_SUPPORT +#define CONFIG_SPL_SPI_BUS 0 +#define CONFIG_SPL_SPI_CS 0 +#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 + #endif /* __CONFIG_DRA7XX_EVM_H */ diff --git a/include/configs/km/keymile-common.h b/include/configs/km/keymile-common.h index a82987d6a..733023049 100644 --- a/include/configs/km/keymile-common.h +++ b/include/configs/km/keymile-common.h @@ -18,6 +18,7 @@ #define CONFIG_CMD_ASKENV #define CONFIG_CMD_DHCP #define CONFIG_CMD_DEFAULTENV_VARS +#define CONFIG_CMD_GREPENV #define CONFIG_CMD_ECHO #define CONFIG_CMD_IMMAP #define CONFIG_CMD_MII diff --git a/include/configs/km/km83xx-common.h b/include/configs/km/km83xx-common.h index 0ff866a89..5e075c8dd 100644 --- a/include/configs/km/km83xx-common.h +++ b/include/configs/km/km83xx-common.h @@ -223,7 +223,6 @@ #define CONFIG_DTT_LM75 /* ON Semi's LM75 */ #define CONFIG_DTT_SENSORS {0, 1, 2, 3} /* Sensor addresses */ #define CONFIG_SYS_DTT_MAX_TEMP 70 -#define CONFIG_SYS_DTT_LOW_TEMP -30 #define CONFIG_SYS_DTT_HYSTERESIS 3 #define CONFIG_SYS_DTT_BUS_NUM 1 diff --git a/include/configs/km82xx.h b/include/configs/km82xx.h index b23cb9627..726c646bc 100644 --- a/include/configs/km82xx.h +++ b/include/configs/km82xx.h @@ -271,7 +271,6 @@ int get_scl(void); #define CONFIG_DTT_LM75 /* ON Semi's LM75 */ #define CONFIG_DTT_SENSORS {0} /* Sensor addresses */ #define CONFIG_SYS_DTT_MAX_TEMP 70 -#define CONFIG_SYS_DTT_LOW_TEMP -30 #define CONFIG_SYS_DTT_HYSTERESIS 3 #define CONFIG_SYS_DTT_BUS_NUM 2 diff --git a/include/configs/omap1510inn.h b/include/configs/omap1510inn.h deleted file mode 100644 index 1a7e5c717..000000000 --- a/include/configs/omap1510inn.h +++ /dev/null @@ -1,166 +0,0 @@ -/* - * (C) Copyright 2003 - * Texas Instruments. - * Kshitij Gupta <kshitij@ti.com> - * Configuation settings for the TI OMAP Innovator board. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __CONFIG_H -#define __CONFIG_H - -/* - * High Level Configuration Options - * (easy to change) - */ -#define CONFIG_ARM925T 1 /* This is an arm925t CPU */ -#define CONFIG_OMAP 1 /* in a TI OMAP core */ -#define CONFIG_OMAP1510 1 /* which is in a 1510 (helen) */ -#define CONFIG_INNOVATOROMAP1510 1 /* a Innovator Board */ - -/* input clock of PLL */ -#define CONFIG_SYS_CLK_FREQ 12000000 /* the OMAP1510 Innovator has 12MHz input clock */ - -#define CONFIG_MISC_INIT_R - -#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ -#define CONFIG_SETUP_MEMORY_TAGS 1 -#define CONFIG_INITRD_TAG 1 - -/* - * Size of malloc() pool - */ -#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) - -/* - * Hardware drivers - */ -/* -#define CONFIG_DRIVER_SMC9196 -#define CONFIG_SMC9196_BASE 0x08000300 -#define CONFIG_SMC9196_EXT_PHY -*/ -#define CONFIG_LAN91C96 -#define CONFIG_LAN91C96_BASE 0x08000300 -#define CONFIG_LAN91C96_EXT_PHY - -/* - * NS16550 Configuration - */ -#define CONFIG_SYS_NS16550 -#define CONFIG_SYS_NS16550_SERIAL -#define CONFIG_SYS_NS16550_REG_SIZE (-4) -#define CONFIG_SYS_NS16550_CLK (CONFIG_SYS_CLK_FREQ) /* can be 12M/32Khz or 48Mhz */ -#define CONFIG_SYS_NS16550_COM1 0xfffb0000 /* uart1, bluetooth uart on helen */ - -/* - * select serial console configuration - */ -#define CONFIG_SERIAL1 1 /* we use SERIAL 1 on OMAP1510 Innovator */ - -/* allow to overwrite serial and ethaddr */ -#define CONFIG_ENV_OVERWRITE - -#define CONFIG_ENV_OVERWRITE -#define CONFIG_CONS_INDEX 1 -#define CONFIG_BAUDRATE 115200 - -/* - * Command line configuration. - */ -#include <config_cmd_default.h> - -#define CONFIG_CMD_DHCP - - -/* - * BOOTP options - */ -#define CONFIG_BOOTP_SUBNETMASK -#define CONFIG_BOOTP_GATEWAY -#define CONFIG_BOOTP_HOSTNAME -#define CONFIG_BOOTP_BOOTPATH - - -#include <configs/omap1510.h> - -#define CONFIG_BOOTDELAY 3 -#define CONFIG_BOOTARGS "console=ttyS0,115200n8 noinitrd root=/dev/nfs ip=bootp" -#define CONFIG_BOOTCOMMAND "bootp;tftp;bootm" -#define CONFIG_SYS_AUTOLOAD "n" /* No autoload */ - -#if defined(CONFIG_CMD_KGDB) -#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */ -/* what's this ? it's not used anywhere */ -#define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */ -#endif - -/* - * Miscellaneous configurable options - */ -#define CONFIG_SYS_LONGHELP /* undef to save memory */ -#define CONFIG_SYS_PROMPT "OMAP1510 Innovator # " /* Monitor Command Prompt */ -#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ -#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ -#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ -#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ - -#define CONFIG_SYS_MEMTEST_START 0x10000000 /* memtest works on */ -#define CONFIG_SYS_MEMTEST_END 0x12000000 /* 32 MB in DRAM */ - -#define CONFIG_SYS_LOAD_ADDR 0x10000000 /* default load address */ - -/* The 1510 has 3 timers, they can be driven by the RefClk (12MHz) or by DPLL1. - * This time is further subdivided by a local divisor. - */ -#define CONFIG_SYS_TIMERBASE OMAP1510_TIMER1_BASE /* use timer 1 */ -#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ -#define CONFIG_SYS_HZ 1000 - -/*----------------------------------------------------------------------- - * Physical Memory Map - */ -#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ -#define PHYS_SDRAM_1 0x10000000 /* SDRAM Bank #1 */ -#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */ - -#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ - -#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 - -#define PHYS_SRAM 0x20000000 - -/*----------------------------------------------------------------------- - * FLASH and environment organization - */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */ -#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */ -#define PHYS_FLASH_SECT_SIZE (128*1024) /* Size of a sector (128kB) */ -#define CONFIG_SYS_MAX_FLASH_SECT (128) /* max number of sectors on one chip */ -#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + PHYS_FLASH_SECT_SIZE) -#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE /* Monitor at beginning of flash */ -#define CONFIG_SYS_MONITOR_LEN PHYS_FLASH_SECT_SIZE /* Reserve 1 sector */ -#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE + PHYS_FLASH_SIZE } - -/*----------------------------------------------------------------------- - * FLASH driver setup - */ -#define CONFIG_SYS_FLASH_CFI 1 /* Flash memory is CFI compliant */ -#define CONFIG_FLASH_CFI_DRIVER 1 /* Use drivers/mtd/cfi_flash.c */ -#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */ -#define CONFIG_SYS_FLASH_PROTECTION 1 /* Use hardware sector protection */ - -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (20*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ -#define CONFIG_SYS_FLASH_WRITE_TOUT (20*CONFIG_SYS_HZ) /* Timeout for Flash Write */ - -#define CONFIG_ENV_IS_IN_FLASH 1 -#define CONFIG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE /* Total Size of Environment Sector */ -#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE -#define CONFIG_ENV_OFFSET ( CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN ) /* Environment after Monitor */ - -#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 -#define CONFIG_SYS_INIT_SP_ADDR PHYS_SRAM - -#endif /* __CONFIG_H */ diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h index 98ba559c8..eade6375c 100644 --- a/include/configs/omap5_common.h +++ b/include/configs/omap5_common.h @@ -83,7 +83,7 @@ "partitions=" PARTS_DEFAULT "\0" \ "optargs=\0" \ "mmcdev=0\0" \ - "mmcroot=/dev/mmcblk0p2 rw\0" \ + "mmcroot=/dev/mmcblk1p2 rw\0" \ "mmcrootfstype=ext4 rootwait\0" \ "mmcargs=setenv bootargs console=${console} " \ "${optargs} " \ @@ -97,9 +97,24 @@ "importbootenv=echo Importing environment from mmc${mmcdev} ...; " \ "env import -t ${loadaddr} ${filesize}\0" \ "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ - "mmcboot=echo Booting from mmc${mmcdev} ...; " \ - "run mmcargs; " \ - "bootz ${loadaddr} - ${fdtaddr}\0" \ + "mmcboot=mmc dev ${mmcdev}; " \ + "if mmc rescan; then " \ + "echo SD/MMC found on device ${mmcdev};" \ + "if run loadbootenv; then " \ + "echo Loaded environment from ${bootenv};" \ + "run importbootenv;" \ + "fi;" \ + "if test -n $uenvcmd; then " \ + "echo Running uenvcmd ...;" \ + "run uenvcmd;" \ + "fi;" \ + "if run loadimage; then " \ + "run loadfdt; " \ + "echo Booting from mmc${mmcdev} ...; " \ + "run mmcargs; " \ + "bootz ${loadaddr} - ${fdtaddr}; " \ + "fi;" \ + "fi;\0" \ "findfdt="\ "if test $board_name = omap5_uevm; then " \ "setenv fdtfile omap5-uevm.dtb; fi; " \ @@ -111,23 +126,11 @@ #define CONFIG_BOOTCOMMAND \ "run findfdt; " \ - "mmc dev ${mmcdev}; if mmc rescan; then " \ - "if run loadbootscript; then " \ - "run bootscript; " \ - "else " \ - "if run loadbootenv; then " \ - "run importbootenv; " \ - "fi;" \ - "if test -n ${uenvcmd}; then " \ - "echo Running uenvcmd ...;" \ - "run uenvcmd;" \ - "fi;" \ - "fi;" \ - "if run loadimage; then " \ - "run loadfdt; " \ - "run mmcboot; " \ - "fi; " \ - "fi" + "run mmcboot;" \ + "setenv mmcdev 1; " \ + "setenv bootpart 1:2; " \ + "setenv mmcroot /dev/mmcblk0p2 rw; " \ + "run mmcboot;" \ /* diff --git a/include/configs/socfpga_cyclone5.h b/include/configs/socfpga_cyclone5.h index 06aeba61d..346ca7232 100644 --- a/include/configs/socfpga_cyclone5.h +++ b/include/configs/socfpga_cyclone5.h @@ -7,6 +7,7 @@ #define __CONFIG_H #include <asm/arch/socfpga_base_addrs.h> +#include "../../board/altera/socfpga/pinmux_config.h" /* * High level configuration diff --git a/include/configs/top9000.h b/include/configs/top9000.h index 65dabde54..a6d692872 100644 --- a/include/configs/top9000.h +++ b/include/configs/top9000.h @@ -120,7 +120,6 @@ #define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */ #define FRAM_SPI_BUS 0 #define FRAM_CS_NUM 0 -#define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */ #define CONFIG_SPI_FRAM_RAMTRON #define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */ #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 diff --git a/include/spi.h b/include/spi.h index c0dab578b..5164d437b 100644 --- a/include/spi.h +++ b/include/spi.h @@ -25,29 +25,33 @@ #define SPI_PREAMBLE 0x80 /* Skip preamble bytes */ /* SPI transfer flags */ -#define SPI_XFER_BEGIN 0x01 /* Assert CS before transfer */ -#define SPI_XFER_END 0x02 /* Deassert CS after transfer */ +#define SPI_XFER_BEGIN 0x01 /* Assert CS before transfer */ +#define SPI_XFER_END 0x02 /* Deassert CS after transfer */ +#define SPI_XFER_MMAP 0x08 /* Memory Mapped start */ +#define SPI_XFER_MMAP_END 0x10 /* Memory Mapped End */ /* Header byte that marks the start of the message */ #define SPI_PREAMBLE_END_BYTE 0xec -/*----------------------------------------------------------------------- - * Representation of a SPI slave, i.e. what we're communicating with. +/** + * struct spi_slave - Representation of a SPI slave * * Drivers are expected to extend this with controller-specific data. * - * 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. + * @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. + * @memory_map: Address of read-only SPI flash access. */ struct spi_slave { - unsigned int bus; - unsigned int cs; + unsigned int bus; + unsigned int cs; unsigned int max_write_size; + void *memory_map; }; -/*----------------------------------------------------------------------- +/** * Initialization, must be called once on start up. * * TODO: I don't think we really need this. @@ -60,10 +64,10 @@ void spi_init(void); * 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. + * @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); @@ -74,10 +78,10 @@ void *spi_do_alloc_slave(int offset, int size, unsigned int bus, * 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. + * @_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), \ @@ -89,13 +93,13 @@ void *spi_do_alloc_slave(int offset, int size, unsigned int bus, * 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. + * @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. * * This must be called once for each slave. Note that this function @@ -103,10 +107,10 @@ void *spi_do_alloc_slave(int offset, int size, unsigned int bus, * contents of spi_slave so that the hardware can be easily * initialized later. * - * bus: Bus ID of the slave chip. - * cs: Chip select ID of the slave chip on the specified bus. - * max_hz: Maximum SCK rate in Hz. - * mode: Clock polarity, clock phase and other parameters. + * @bus: Bus ID of the slave chip. + * @cs: Chip select ID of the slave chip on the specified bus. + * @max_hz: Maximum SCK rate in Hz. + * @mode: Clock polarity, clock phase and other parameters. * * Returns: A spi_slave reference that can be used in subsequent SPI * calls, or NULL if one or more of the parameters are not supported. @@ -114,14 +118,14 @@ void *spi_do_alloc_slave(int offset, int size, unsigned int bus, struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, unsigned int max_hz, unsigned int mode); -/*----------------------------------------------------------------------- +/** * Free any memory associated with a SPI slave. * - * slave: The SPI slave + * @slave: The SPI slave */ void spi_free_slave(struct spi_slave *slave); -/*----------------------------------------------------------------------- +/** * Claim the bus and prepare it for communication with a given slave. * * This must be called before doing any transfers with a SPI slave. It @@ -130,25 +134,25 @@ void spi_free_slave(struct spi_slave *slave); * allowed to claim the same bus for several slaves without releasing * the bus in between. * - * slave: The SPI slave + * @slave: The SPI slave * * Returns: 0 if the bus was claimed successfully, or a negative value * if it wasn't. */ int spi_claim_bus(struct spi_slave *slave); -/*----------------------------------------------------------------------- +/** * Release the SPI bus * * This must be called once for every call to spi_claim_bus() after * all transfers have finished. It may disable any SPI hardware as * appropriate. * - * slave: The SPI slave + * @slave: The SPI slave */ void spi_release_bus(struct spi_slave *slave); -/*----------------------------------------------------------------------- +/** * SPI transfer * * This writes "bitlen" bits out the SPI MOSI port and simultaneously clocks @@ -161,19 +165,19 @@ void spi_release_bus(struct spi_slave *slave); * temporary variables, this is OK). * * spi_xfer() interface: - * slave: The SPI slave which will be sending/receiving the data. - * bitlen: How many bits to write and read. - * dout: Pointer to a string of bits to send out. The bits are + * @slave: The SPI slave which will be sending/receiving the data. + * @bitlen: How many bits to write and read. + * @dout: Pointer to a string of bits to send out. The bits are * held in a byte array and are sent MSB first. - * din: Pointer to a string of bits that will be filled in. - * flags: A bitwise combination of SPI_XFER_* flags. + * @din: Pointer to a string of bits that will be filled in. + * @flags: A bitwise combination of SPI_XFER_* flags. * - * Returns: 0 on success, not 0 on failure + * Returns: 0 on success, not 0 on failure */ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, void *din, unsigned long flags); -/*----------------------------------------------------------------------- +/** * Determine if a SPI chipselect is valid. * This function is provided by the board if the low-level SPI driver * needs it to determine if a given chipselect is actually valid. @@ -183,7 +187,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, */ int spi_cs_is_valid(unsigned int bus, unsigned int cs); -/*----------------------------------------------------------------------- +/** * Activate a SPI chipselect. * This function is provided by the board code when using a driver * that can't control its chipselects automatically (e.g. @@ -192,7 +196,7 @@ int spi_cs_is_valid(unsigned int bus, unsigned int cs); */ void spi_cs_activate(struct spi_slave *slave); -/*----------------------------------------------------------------------- +/** * Deactivate a SPI chipselect. * This function is provided by the board code when using a driver * that can't control its chipselects automatically (e.g. @@ -201,18 +205,18 @@ void spi_cs_activate(struct spi_slave *slave); */ void spi_cs_deactivate(struct spi_slave *slave); -/*----------------------------------------------------------------------- +/** * Set transfer speed. * This sets a new speed to be applied for next spi_xfer(). - * slave: The SPI slave - * hz: The transfer speed + * @slave: The SPI slave + * @hz: The transfer speed */ void spi_set_speed(struct spi_slave *slave, uint hz); -/*----------------------------------------------------------------------- +/** * Write 8 bits, then read 8 bits. - * slave: The SPI slave we're communicating with - * byte: Byte to be written + * @slave: The SPI slave we're communicating with + * @byte: Byte to be written * * Returns: The value that was read, or a negative value on error. * diff --git a/include/spi_flash.h b/include/spi_flash.h index bfc59aa70..1ff5af4df 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -1,7 +1,8 @@ /* - * Interface to SPI flash + * Common SPI flash Interface * * Copyright (C) 2008 Atmel Corporation + * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -10,6 +11,7 @@ * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. */ + #ifndef _SPI_FLASH_H_ #define _SPI_FLASH_H_ @@ -17,75 +19,52 @@ #include <linux/types.h> #include <linux/compiler.h> +/** + * struct spi_flash - SPI flash structure + * + * @spi: SPI slave + * @name: Name of SPI flash + * @size: Total flash size + * @page_size: Write (page) size + * @sector_size: Sector size + * @erase_size: Erase size + * @bank_read_cmd: Bank read cmd + * @bank_write_cmd: Bank write cmd + * @bank_curr: Current flash bank + * @poll_cmd: Poll cmd - for flash erase/program + * @erase_cmd: Erase cmd 4K, 32K, 64K + * @memory_map: Address of read-only SPI flash access + * @read: Flash read ops: Read len bytes at offset into buf + * Supported cmds: Fast Array Read + * @write: Flash write ops: Write len bytes from buf into offeset + * Supported cmds: Page Program + * @erase: Flash erase ops: Erase len bytes from offset + * Supported cmds: Sector erase 4K, 32K, 64K + * return 0 - Sucess, 1 - Failure + */ struct spi_flash { struct spi_slave *spi; + const char *name; - const char *name; - - /* Total flash size */ - u32 size; - /* Write (page) size */ - u32 page_size; - /* Erase (sector) size */ - u32 sector_size; + u32 size; + u32 page_size; + u32 sector_size; + u32 erase_size; #ifdef CONFIG_SPI_FLASH_BAR - /* Bank read cmd */ - u8 bank_read_cmd; - /* Bank write cmd */ - u8 bank_write_cmd; - /* Current flash bank */ - u8 bank_curr; + u8 bank_read_cmd; + u8 bank_write_cmd; + u8 bank_curr; #endif - /* Poll cmd - for flash erase/program */ - u8 poll_cmd; + u8 poll_cmd; + u8 erase_cmd; - 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, - size_t len, const void *buf); - int (*erase)(struct spi_flash *flash, u32 offset, - size_t len); + void *memory_map; + int (*read)(struct spi_flash *flash, u32 offset, size_t len, void *buf); + int (*write)(struct spi_flash *flash, u32 offset, size_t len, + const void *buf); + int (*erase)(struct spi_flash *flash, u32 offset, 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); |