spi: Drop CONFIG_ATMEL_DATAFLASH_SPI

Last user of this option went away in commit:

fdc7718999 ("board: usb_a9263: Update to support DT and DM")

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Acked-by: Wenyou Yang <wenyou.yang@microchip.com>

diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index cd7c7556a7b13fc3f378acf6930c379db9813ed2..ad56203cd6f108392e189c82ffd72b3a995bfdd8 100644 (file)
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -17,7 +17,6 @@ endif
 
 obj-$(CONFIG_ALTERA_SPI) += altera_spi.o
 obj-$(CONFIG_ATH79_SPI) += ath79_spi.o
-obj-$(CONFIG_ATMEL_DATAFLASH_SPI) += atmel_dataflash_spi.o
 obj-$(CONFIG_ATMEL_SPI) += atmel_spi.o
 obj-$(CONFIG_CADENCE_QSPI) += cadence_qspi.o cadence_qspi_apb.o
 obj-$(CONFIG_CF_SPI) += cf_spi.o

diff --git a/drivers/spi/atmel_dataflash_spi.c b/drivers/spi/atmel_dataflash_spi.c
deleted file mode 100644 (file)
index a2e9c00..0000000
--- a/drivers/spi/atmel_dataflash_spi.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Driver for ATMEL DataFlash support
- * Author : Hamid Ikdoumi (Atmel)
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-/*
- * This driver desperately needs rework:
- *
- * - use structure SoC access
- * - get rid of including asm/arch/at91_spi.h
- * - remove asm/arch/at91_spi.h
- * - get rid of all CONFIG_ATMEL_LEGACY defines and uses
- *
- * 02-Aug-2010 Reinhard Meyer <uboot@emk-elektronik.de>
- */
-
-#include <common.h>
-#ifndef CONFIG_ATMEL_LEGACY
-# define CONFIG_ATMEL_LEGACY
-#endif
-#include <spi.h>
-#include <malloc.h>
-
-#include <asm/io.h>
-
-#include <asm/arch/clk.h>
-#include <asm/arch/hardware.h>
-
-#include "atmel_spi.h"
-
-#include <asm/arch/gpio.h>
-#include <asm/arch/at91_pio.h>
-#include <asm/arch/at91_spi.h>
-
-#include <dataflash.h>
-
-#define AT91_SPI_PCS0_DATAFLASH_CARD   0xE     /* Chip Select 0: NPCS0%1110 */
-#define AT91_SPI_PCS1_DATAFLASH_CARD   0xD     /* Chip Select 1: NPCS1%1101 */
-#define AT91_SPI_PCS2_DATAFLASH_CARD   0xB     /* Chip Select 2: NPCS2%1011 */
-#define AT91_SPI_PCS3_DATAFLASH_CARD   0x7     /* Chip Select 3: NPCS3%0111 */
-
-void AT91F_SpiInit(void)
-{
-       /* Reset the SPI */
-       writel(AT91_SPI_SWRST, ATMEL_BASE_SPI0 + AT91_SPI_CR);
-
-       /* Configure SPI in Master Mode with No CS selected !!! */
-       writel(AT91_SPI_MSTR | AT91_SPI_MODFDIS | AT91_SPI_PCS,
-              ATMEL_BASE_SPI0 + AT91_SPI_MR);
-
-       /* Configure CS0 */
-       writel(AT91_SPI_NCPHA |
-              (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
-              (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
-              ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              ATMEL_BASE_SPI0 + AT91_SPI_CSR(0));
-
-#ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1
-       /* Configure CS1 */
-       writel(AT91_SPI_NCPHA |
-              (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
-              (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
-              ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              ATMEL_BASE_SPI0 + AT91_SPI_CSR(1));
-#endif
-#ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS2
-       /* Configure CS2 */
-       writel(AT91_SPI_NCPHA |
-              (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
-              (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
-              ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              ATMEL_BASE_SPI0 + AT91_SPI_CSR(2));
-#endif
-#ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3
-       /* Configure CS3 */
-       writel(AT91_SPI_NCPHA |
-              (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
-              (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
-              ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              ATMEL_BASE_SPI0 + AT91_SPI_CSR(3));
-#endif
-
-       /* SPI_Enable */
-       writel(AT91_SPI_SPIEN, ATMEL_BASE_SPI0 + AT91_SPI_CR);
-
-       while (!(readl(ATMEL_BASE_SPI0 + AT91_SPI_SR) & AT91_SPI_SPIENS))
-               ;
-
-       /*
-        * Add tempo to get SPI in a safe state.
-        * Should not be needed for new silicon (Rev B)
-        */
-       udelay(500000);
-       readl(ATMEL_BASE_SPI0 + AT91_SPI_SR);
-       readl(ATMEL_BASE_SPI0 + AT91_SPI_RDR);
-
-}
-
-void AT91F_SpiEnable(int cs)
-{
-       unsigned long mode;
-
-       mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR);
-       mode &= ~AT91_SPI_PCS;
-
-       switch (cs) {
-       case 0:
-               mode |= AT91_SPI_PCS0_DATAFLASH_CARD << 16;
-               break;
-       case 1:
-               mode |= AT91_SPI_PCS1_DATAFLASH_CARD << 16;
-               break;
-       case 2:
-               mode |= AT91_SPI_PCS2_DATAFLASH_CARD << 16;
-               break;
-       case 3:
-               mode |= AT91_SPI_PCS3_DATAFLASH_CARD << 16;
-               break;
-       }
-
-       writel(mode, ATMEL_BASE_SPI0 + AT91_SPI_MR);
-
-       /* SPI_Enable */
-       writel(AT91_SPI_SPIEN, ATMEL_BASE_SPI0 + AT91_SPI_CR);
-}
-
-unsigned int AT91F_SpiWrite1(AT91PS_DataflashDesc pDesc);
-
-unsigned int AT91F_SpiWrite(AT91PS_DataflashDesc pDesc)
-{
-       unsigned int timeout;
-       unsigned int timebase;
-
-       pDesc->state = BUSY;
-
-       writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS,
-               ATMEL_BASE_SPI0 + AT91_SPI_PTCR);
-
-       /* Initialize the Transmit and Receive Pointer */
-       writel((unsigned int)pDesc->rx_cmd_pt,
-               ATMEL_BASE_SPI0 + AT91_SPI_RPR);
-       writel((unsigned int)pDesc->tx_cmd_pt,
-               ATMEL_BASE_SPI0 + AT91_SPI_TPR);
-
-       /* Intialize the Transmit and Receive Counters */
-       writel(pDesc->rx_cmd_size, ATMEL_BASE_SPI0 + AT91_SPI_RCR);
-       writel(pDesc->tx_cmd_size, ATMEL_BASE_SPI0 + AT91_SPI_TCR);
-
-       if (pDesc->tx_data_size != 0) {
-               /* Initialize the Next Transmit and Next Receive Pointer */
-               writel((unsigned int)pDesc->rx_data_pt,
-                       ATMEL_BASE_SPI0 + AT91_SPI_RNPR);
-               writel((unsigned int)pDesc->tx_data_pt,
-                       ATMEL_BASE_SPI0 + AT91_SPI_TNPR);
-
-               /* Intialize the Next Transmit and Next Receive Counters */
-               writel(pDesc->rx_data_size,
-                       ATMEL_BASE_SPI0 + AT91_SPI_RNCR);
-               writel(pDesc->tx_data_size,
-                       ATMEL_BASE_SPI0 + AT91_SPI_TNCR);
-       }
-
-       /* arm simple, non interrupt dependent timer */
-       timebase = get_timer(0);
-       timeout = 0;
-
-       writel(AT91_SPI_TXTEN + AT91_SPI_RXTEN,
-               ATMEL_BASE_SPI0 + AT91_SPI_PTCR);
-       while (!(readl(ATMEL_BASE_SPI0 + AT91_SPI_SR) & AT91_SPI_RXBUFF) &&
-               ((timeout = get_timer(timebase)) < CONFIG_SYS_SPI_WRITE_TOUT))
-               ;
-       writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS,
-               ATMEL_BASE_SPI0 + AT91_SPI_PTCR);
-       pDesc->state = IDLE;
-
-       if (timeout >= CONFIG_SYS_SPI_WRITE_TOUT) {
-               printf("Error Timeout\n\r");
-               return DATAFLASH_ERROR;
-       }
-
-       return DATAFLASH_OK;
-}