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@@ -1,111 +0,0 @@
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-/*
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- * Copyright (C) 2009
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- * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
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- *
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- * SPDX-License-Identifier: GPL-2.0+
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- */
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-
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-#include <common.h>
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-#include <spi.h>
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-
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-#define SPI_EEPROM_WREN 0x06
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-#define SPI_EEPROM_RDSR 0x05
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-#define SPI_EEPROM_READ 0x03
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-#define SPI_EEPROM_WRITE 0x02
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-
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-#ifndef CONFIG_DEFAULT_SPI_BUS
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-#define CONFIG_DEFAULT_SPI_BUS 0
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-#endif
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-
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-#ifndef CONFIG_DEFAULT_SPI_MODE
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-#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
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-#endif
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-
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-#ifndef CONFIG_SYS_SPI_WRITE_TOUT
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-#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
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-#endif
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-
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-ssize_t spi_read(uchar *addr, int alen, uchar *buffer, int len)
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-{
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- struct spi_slave *slave;
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- u8 cmd = SPI_EEPROM_READ;
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-
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- slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
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- CONFIG_DEFAULT_SPI_MODE);
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- if (!slave)
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- return 0;
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-
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- spi_claim_bus(slave);
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-
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- /* command */
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- if (spi_xfer(slave, 8, &cmd, NULL, SPI_XFER_BEGIN))
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- return -1;
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-
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- /*
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- * if alen == 3, addr[0] is the block number, we never use it here.
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- * All we need are the lower 16 bits.
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- */
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- if (alen == 3)
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- addr++;
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-
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- /* address, and data */
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- if (spi_xfer(slave, 16, addr, NULL, 0))
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- return -1;
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- if (spi_xfer(slave, 8 * len, NULL, buffer, SPI_XFER_END))
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- return -1;
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-
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- spi_release_bus(slave);
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- spi_free_slave(slave);
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- return len;
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-}
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-
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-ssize_t spi_write(uchar *addr, int alen, uchar *buffer, int len)
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-{
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- struct spi_slave *slave;
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- char buf[3];
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- ulong start;
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-
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- slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
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- CONFIG_DEFAULT_SPI_MODE);
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- if (!slave)
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- return 0;
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-
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- spi_claim_bus(slave);
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-
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- buf[0] = SPI_EEPROM_WREN;
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- if (spi_xfer(slave, 8, buf, NULL, SPI_XFER_BEGIN | SPI_XFER_END))
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- return -1;
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-
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- buf[0] = SPI_EEPROM_WRITE;
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-
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- /* As for reading, drop addr[0] if alen is 3 */
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- if (alen == 3) {
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- alen--;
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- addr++;
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- }
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-
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- memcpy(buf + 1, addr, alen);
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- /* command + addr, then data */
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- if (spi_xfer(slave, 24, buf, NULL, SPI_XFER_BEGIN))
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- return -1;
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- if (spi_xfer(slave, len * 8, buffer, NULL, SPI_XFER_END))
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- return -1;
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-
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- start = get_timer(0);
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- do {
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- buf[0] = SPI_EEPROM_RDSR;
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- buf[1] = 0;
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- spi_xfer(slave, 16, buf, buf, SPI_XFER_BEGIN | SPI_XFER_END);
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-
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- if (!(buf[1] & 1))
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- break;
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-
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- } while (get_timer(start) < CONFIG_SYS_SPI_WRITE_TOUT);
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-
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- if (buf[1] & 1)
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- printf("*** spi_write: Timeout while writing!\n");
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-
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- spi_release_bus(slave);
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- spi_free_slave(slave);
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- return len;
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-}
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