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spi: sunxi: Hack up the driver for the D1

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Signed-off-by: Samuel Holland <samuel@sholland.org>
This commit is contained in:
Samuel Holland 2021-09-08 21:31:06 -05:00
parent 22fa2b3626
commit a385864fc0
1 changed files with 3 additions and 2 deletions
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5
drivers/spi/spi-sunxi.c
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@ -30,6 +30,7 @@
#include <asm/global_data.h>
#include <dm/device_compat.h>
#include <linux/bitops.h>
#include <linux/log2.h>
#include <asm/bitops.h>
#include <asm/io.h>
@ -77,7 +78,7 @@ DECLARE_GLOBAL_DATA_PTR;
#define SUN4I_SPI_DEFAULT_RATE 1000000
#define SUN4I_SPI_TIMEOUT_US 1000000
#define SPI_REG(priv, reg) ((priv)->base + \
#define SPI_REG(priv, reg) (void *)((priv)->base + \
(priv)->variant->regs[reg])
#define SPI_BIT(priv, bit) ((priv)->variant->bits[bit])
#define SPI_CS(priv, cs) (((cs) << SPI_BIT(priv, SPI_TCR_CS_SEL)) & \
@ -362,7 +363,7 @@ static int sun4i_spi_set_speed(struct udevice *dev, uint speed)
reg &= ~(SUN4I_CLK_CTL_CDR2_MASK | SUN4I_CLK_CTL_DRS);
reg |= SUN4I_CLK_CTL_CDR2(div) | SUN4I_CLK_CTL_DRS;
} else {
div = __ilog2(SUN4I_SPI_MAX_RATE) - __ilog2(speed);
div = ilog2(SUN4I_SPI_MAX_RATE) - ilog2(speed);
reg &= ~((SUN4I_CLK_CTL_CDR1_MASK << 8) | SUN4I_CLK_CTL_DRS);
reg |= SUN4I_CLK_CTL_CDR1(div);
}