diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/k2g_evm.h | 2 | ||||
| -rw-r--r-- | include/configs/socfpga_common.h | 2 | ||||
| -rw-r--r-- | include/configs/stv0991.h | 2 | ||||
| -rw-r--r-- | include/spi.h | 32 | ||||
| -rw-r--r-- | include/spi_flash.h | 12 | ||||
| -rw-r--r-- | include/wait_bit.h | 85 |
6 files changed, 52 insertions, 83 deletions
diff --git a/include/configs/k2g_evm.h b/include/configs/k2g_evm.h index 4e43104fac..f00ca1c233 100644 --- a/include/configs/k2g_evm.h +++ b/include/configs/k2g_evm.h @@ -95,8 +95,6 @@ #ifndef CONFIG_SPL_BUILD #define CONFIG_CADENCE_QSPI #define CONFIG_CQSPI_REF_CLK 384000000 -#define CONFIG_CQSPI_DECODER 0x0 -#define CONFIG_BOUNCE_BUFFER #endif #define SPI_MTD_PARTS KEYSTONE_SPI1_MTD_PARTS diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h index 66e7c4fc8b..f6607b101e 100644 --- a/include/configs/socfpga_common.h +++ b/include/configs/socfpga_common.h @@ -184,8 +184,6 @@ unsigned int cm_get_l4_sp_clk_hz(void); unsigned int cm_get_qspi_controller_clk_hz(void); #define CONFIG_CQSPI_REF_CLK cm_get_qspi_controller_clk_hz() #endif -#define CONFIG_CQSPI_DECODER 0 -#define CONFIG_BOUNCE_BUFFER /* * Designware SPI support diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h index c99fb676cb..beb8f1ae9a 100644 --- a/include/configs/stv0991.h +++ b/include/configs/stv0991.h @@ -63,9 +63,7 @@ + * QSPI support + */ #ifdef CONFIG_OF_CONTROL /* QSPI is controlled via DT */ -#define CONFIG_CQSPI_DECODER 0 #define CONFIG_CQSPI_REF_CLK ((30/4)/2)*1000*1000 -#define CONFIG_BOUNCE_BUFFER #endif diff --git a/include/spi.h b/include/spi.h index 08c7480fda..f5bac8d002 100644 --- a/include/spi.h +++ b/include/spi.h @@ -86,8 +86,10 @@ struct dm_spi_slave_platdata { * @cs: ID of the chip select connected to the slave. * @mode: SPI mode to use for this slave (see SPI mode flags) * @wordlen: Size of SPI word in number of bits + * @max_read_size: If non-zero, the maximum number of bytes which can + * be read at once. * @max_write_size: If non-zero, the maximum number of bytes which can - * be written at once, excluding command bytes. + * be written at once. * @memory_map: Address of read-only SPI flash access. * @flags: Indication of SPI flags. */ @@ -102,6 +104,7 @@ struct spi_slave { #endif uint mode; unsigned int wordlen; + unsigned int max_read_size; unsigned int max_write_size; void *memory_map; @@ -314,33 +317,6 @@ static inline int spi_w8r8(struct spi_slave *slave, unsigned char byte) return ret < 0 ? ret : din[1]; } -/** - * Set up a SPI slave for a particular device tree node - * - * This calls spi_setup_slave() with the correct bus number. Call - * spi_free_slave() to free it later. - * - * @param blob: Device tree blob - * @param slave_node: Slave node to use - * @param spi_node: SPI peripheral node to use - * @return pointer to new spi_slave structure - */ -struct spi_slave *spi_setup_slave_fdt(const void *blob, int slave_node, - int spi_node); - -/** - * spi_base_setup_slave_fdt() - helper function to set up a SPI slace - * - * This decodes SPI properties from the slave node to determine the - * chip select and SPI parameters. - * - * @blob: Device tree blob - * @busnum: Bus number to use - * @node: Device tree node for the SPI bus - */ -struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum, - int node); - #ifdef CONFIG_DM_SPI /** diff --git a/include/spi_flash.h b/include/spi_flash.h index be2fe3f84c..f3c4e83424 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -194,18 +194,6 @@ void sandbox_sf_unbind_emul(struct sandbox_state *state, int busnum, int cs); struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, unsigned int max_hz, unsigned int spi_mode); -/** - * Set up a new SPI flash from an fdt node - * - * @param blob Device tree blob - * @param slave_node Pointer to this SPI slave node in the device tree - * @param spi_node Cached pointer to the SPI interface this node belongs - * to - * @return 0 if ok, -1 on error - */ -struct spi_flash *spi_flash_probe_fdt(const void *blob, int slave_node, - int spi_node); - void spi_flash_free(struct spi_flash *flash); static inline int spi_flash_read(struct spi_flash *flash, u32 offset, diff --git a/include/wait_bit.h b/include/wait_bit.h index 06ad43a122..bd021baa48 100644 --- a/include/wait_bit.h +++ b/include/wait_bit.h @@ -16,7 +16,7 @@ #include <asm/io.h> /** - * wait_for_bit() waits for bit set/cleared in register + * wait_for_bit_x() waits for bit set/cleared in register * * Function polls register waiting for specific bit(s) change * (either 0->1 or 1->0). It can fail under two conditions: @@ -25,49 +25,60 @@ * Function succeeds only if all bits of masked register are set/cleared * (depending on set option). * - * @param prefix Prefix added to timeout messagge (message visible only - * with debug enabled) - * @param reg Register that will be read (using readl()) + * @param reg Register that will be read (using read_x()) * @param mask Bit(s) of register that must be active * @param set Selects wait condition (bit set or clear) - * @param timeout_ms Timeout (in miliseconds) + * @param timeout_ms Timeout (in milliseconds) * @param breakable Enables CTRL-C interruption * @return 0 on success, -ETIMEDOUT or -EINTR on failure */ -static inline int wait_for_bit(const char *prefix, const u32 *reg, - const u32 mask, const bool set, - const unsigned int timeout_ms, - const bool breakable) -{ - u32 val; - unsigned long start = get_timer(0); - while (1) { - val = readl(reg); - - if (!set) - val = ~val; - - if ((val & mask) == mask) - return 0; - - if (get_timer(start) > timeout_ms) - break; - - if (breakable && ctrlc()) { - puts("Abort\n"); - return -EINTR; - } - - udelay(1); - WATCHDOG_RESET(); - } - - debug("%s: Timeout (reg=%p mask=%08x wait_set=%i)\n", prefix, reg, mask, - set); - - return -ETIMEDOUT; +#define BUILD_WAIT_FOR_BIT(sfx, type, read) \ + \ +static inline int wait_for_bit_##sfx(const void *reg, \ + const type mask, \ + const bool set, \ + const unsigned int timeout_ms, \ + const bool breakable) \ +{ \ + type val; \ + unsigned long start = get_timer(0); \ + \ + while (1) { \ + val = read(reg); \ + \ + if (!set) \ + val = ~val; \ + \ + if ((val & mask) == mask) \ + return 0; \ + \ + if (get_timer(start) > timeout_ms) \ + break; \ + \ + if (breakable && ctrlc()) { \ + puts("Abort\n"); \ + return -EINTR; \ + } \ + \ + udelay(1); \ + WATCHDOG_RESET(); \ + } \ + \ + debug("%s: Timeout (reg=%p mask=%x wait_set=%i)\n", __func__, \ + reg, mask, set); \ + \ + return -ETIMEDOUT; \ } +BUILD_WAIT_FOR_BIT(8, u8, readb) +BUILD_WAIT_FOR_BIT(le16, u16, readw) +#ifdef readw_be +BUILD_WAIT_FOR_BIT(be16, u16, readw_be) +#endif +BUILD_WAIT_FOR_BIT(le32, u32, readl) +#ifdef readl_be +BUILD_WAIT_FOR_BIT(be32, u32, readl_be) +#endif #endif |