spi: Zap armada100_spi.c and env

armada100_spi.c and related env is zapping becuase
of "no DM conversion".

Cc: Ajay Bhargav <ajay.bhargav@einfochips.com>
Signed-off-by: Jagan Teki <jagan@openedev.com>

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

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

drivers/spi/armada100_spi.c

-/*
- * (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;
-}

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

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