diff options
| -rw-r--r-- | configs/gplugd_defconfig | 5 | ||||
| -rw-r--r-- | drivers/spi/Makefile | 1 | ||||
| -rw-r--r-- | drivers/spi/armada100_spi.c | 203 | ||||
| -rw-r--r-- | include/configs/gplugd.h | 9 | ||||
| -rw-r--r-- | scripts/config_whitelist.txt | 1 |
5 files changed, 1 insertions, 218 deletions
diff --git a/configs/gplugd_defconfig b/configs/gplugd_defconfig index 59c9fdffac..3d98f8d7eb 100644 --- a/configs/gplugd_defconfig +++ b/configs/gplugd_defconfig @@ -4,9 +4,7 @@ CONFIG_IDENT_STRING="\nMarvell-gplugD" CONFIG_BOOTDELAY=3 # CONFIG_DISPLAY_BOARDINFO is not set # CONFIG_CMD_IMLS is not set -CONFIG_CMD_ASKENV=y # CONFIG_CMD_FLASH is not set -CONFIG_CMD_SF=y CONFIG_CMD_I2C=y CONFIG_CMD_USB=y # CONFIG_CMD_FPGA is not set @@ -16,9 +14,6 @@ CONFIG_CMD_MII=y CONFIG_CMD_PING=y CONFIG_CMD_EXT2=y CONFIG_CMD_FAT=y -CONFIG_SPI_FLASH=y -CONFIG_SPI_FLASH_ATMEL=y -CONFIG_SPI_FLASH_MACRONIX=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_USB_STORAGE=y diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 70d2e49a96..c1ce1580a2 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_SOFT_SPI) += soft_spi_legacy.o endif obj-$(CONFIG_ALTERA_SPI) += altera_spi.o -obj-$(CONFIG_ARMADA100_SPI) += armada100_spi.o obj-$(CONFIG_ATH79_SPI) += ath79_spi.o obj-$(CONFIG_ATMEL_DATAFLASH_SPI) += atmel_dataflash_spi.o obj-$(CONFIG_ATMEL_SPI) += atmel_spi.o diff --git a/drivers/spi/armada100_spi.c b/drivers/spi/armada100_spi.c deleted file mode 100644 index 53aaf95340..0000000000 --- a/drivers/spi/armada100_spi.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - * (C) Copyright 2011 - * eInfochips Ltd. <www.einfochips.com> - * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com> - * - * (C) Copyright 2009 - * Marvell Semiconductor <www.marvell.com> - * Based on SSP driver - * Written-by: Lei Wen <leiwen@marvell.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - - -#include <common.h> -#include <malloc.h> -#include <spi.h> - -#include <asm/io.h> -#include <asm/arch/spi.h> -#include <asm/gpio.h> - -#define to_armd_spi_slave(s) container_of(s, struct armd_spi_slave, slave) - -struct armd_spi_slave { - struct spi_slave slave; - struct ssp_reg *spi_reg; - u32 cr0, cr1; - u32 int_cr1; - u32 clear_sr; - const void *tx; - void *rx; - int gpio_cs_inverted; -}; - -static int spi_armd_write(struct armd_spi_slave *pss) -{ - int wait_timeout = SSP_FLUSH_NUM; - while (--wait_timeout && !(readl(&pss->spi_reg->sssr) & SSSR_TNF)) - ; - if (!wait_timeout) { - debug("%s: timeout error\n", __func__); - return -1; - } - - if (pss->tx != NULL) { - writel(*(u8 *)pss->tx, &pss->spi_reg->ssdr); - ++pss->tx; - } else { - writel(0, &pss->spi_reg->ssdr); - } - return 0; -} - -static int spi_armd_read(struct armd_spi_slave *pss) -{ - int wait_timeout = SSP_FLUSH_NUM; - while (--wait_timeout && !(readl(&pss->spi_reg->sssr) & SSSR_RNE)) - ; - if (!wait_timeout) { - debug("%s: timeout error\n", __func__); - return -1; - } - - if (pss->rx != NULL) { - *(u8 *)pss->rx = readl(&pss->spi_reg->ssdr); - ++pss->rx; - } else { - readl(&pss->spi_reg->ssdr); - } - return 0; -} - -static int spi_armd_flush(struct armd_spi_slave *pss) -{ - unsigned long limit = SSP_FLUSH_NUM; - - do { - while (readl(&pss->spi_reg->sssr) & SSSR_RNE) - readl(&pss->spi_reg->ssdr); - } while ((readl(&pss->spi_reg->sssr) & SSSR_BSY) && limit--); - - writel(SSSR_ROR, &pss->spi_reg->sssr); - - return limit; -} - -void spi_cs_activate(struct spi_slave *slave) -{ - struct armd_spi_slave *pss = to_armd_spi_slave(slave); - - gpio_set_value(slave->cs, pss->gpio_cs_inverted); -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - struct armd_spi_slave *pss = to_armd_spi_slave(slave); - - gpio_set_value(slave->cs, !pss->gpio_cs_inverted); -} - -struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int mode) -{ - struct armd_spi_slave *pss; - - pss = spi_alloc_slave(struct armd_spi_slave, bus, cs); - if (!pss) - return NULL; - - pss->spi_reg = (struct ssp_reg *)SSP_REG_BASE(CONFIG_SYS_SSP_PORT); - - pss->cr0 = SSCR0_MOTO | SSCR0_DATASIZE(DEFAULT_WORD_LEN) | SSCR0_SSE; - - pss->cr1 = (SSCR1_RXTRESH(RX_THRESH_DEF) & SSCR1_RFT) | - (SSCR1_TXTRESH(TX_THRESH_DEF) & SSCR1_TFT); - pss->cr1 &= ~(SSCR1_SPO | SSCR1_SPH); - pss->cr1 |= (((mode & SPI_CPHA) != 0) ? SSCR1_SPH : 0) - | (((mode & SPI_CPOL) != 0) ? SSCR1_SPO : 0); - - pss->int_cr1 = SSCR1_TIE | SSCR1_RIE | SSCR1_TINTE; - pss->clear_sr = SSSR_ROR | SSSR_TINT; - - pss->gpio_cs_inverted = mode & SPI_CS_HIGH; - gpio_set_value(cs, !pss->gpio_cs_inverted); - - return &pss->slave; -} - -void spi_free_slave(struct spi_slave *slave) -{ - struct armd_spi_slave *pss = to_armd_spi_slave(slave); - - free(pss); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - struct armd_spi_slave *pss = to_armd_spi_slave(slave); - - debug("%s: bus:%i cs:%i\n", __func__, slave->bus, slave->cs); - if (spi_armd_flush(pss) == 0) - return -1; - - return 0; -} - -void spi_release_bus(struct spi_slave *slave) -{ -} - -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, - void *din, unsigned long flags) -{ - struct armd_spi_slave *pss = to_armd_spi_slave(slave); - uint bytes = bitlen / 8; - unsigned long limit; - int ret = 0; - - if (bitlen == 0) - goto done; - - /* we can only do 8 bit transfers */ - if (bitlen % 8) { - flags |= SPI_XFER_END; - goto done; - } - - pss->tx = dout; - pss->rx = din; - - if (flags & SPI_XFER_BEGIN) { - spi_cs_activate(slave); - writel(pss->cr1 | pss->int_cr1, &pss->spi_reg->sscr1); - writel(TIMEOUT_DEF, &pss->spi_reg->ssto); - writel(pss->cr0, &pss->spi_reg->sscr0); - } - - while (bytes--) { - limit = SSP_FLUSH_NUM; - ret = spi_armd_write(pss); - if (ret) - break; - - while ((readl(&pss->spi_reg->sssr) & SSSR_BSY) && limit--) - udelay(1); - - ret = spi_armd_read(pss); - if (ret) - break; - } - - done: - if (flags & SPI_XFER_END) { - /* Stop SSP */ - writel(pss->clear_sr, &pss->spi_reg->sssr); - clrbits_le32(&pss->spi_reg->sscr1, pss->int_cr1); - writel(0, &pss->spi_reg->ssto); - spi_cs_deactivate(slave); - } - - return ret; -} diff --git a/include/configs/gplugd.h b/include/configs/gplugd.h index c1b43fd0fe..92e211713c 100644 --- a/include/configs/gplugd.h +++ b/include/configs/gplugd.h @@ -72,11 +72,6 @@ /* GPIO Configuration for PHY */ #define CONFIG_SYS_GPIO_PHY_RST 104 /* GPIO104 */ -/* SPI Support */ -#define CONFIG_ARMADA100_SPI -#define CONFIG_ENV_SPI_CS 110 -#define CONFIG_SYS_SSP_PORT 2 - /* Flash Support */ /* @@ -95,10 +90,8 @@ /* * Environment variables configurations */ -#define CONFIG_ENV_IS_IN_SPI_FLASH -#define CONFIG_ENV_SECT_SIZE 0x4000 +#define CONFIG_ENV_IS_NOWHERE #define CONFIG_ENV_SIZE 0x4000 -#define CONFIG_ENV_OFFSET 0x07C000 #ifdef CONFIG_CMD_USB #define CONFIG_USB_EHCI diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt index 339c6fdfc9..6d614c62cc 100644 --- a/scripts/config_whitelist.txt +++ b/scripts/config_whitelist.txt @@ -176,7 +176,6 @@ CONFIG_ARIA_FPGA CONFIG_ARM926EJS CONFIG_ARMADA100 CONFIG_ARMADA100_FEC -CONFIG_ARMADA100_SPI CONFIG_ARMADA168 CONFIG_ARMADA_39X CONFIG_ARMCORTEXA9 |