From 3e972cb9bad534d0b1a7d2cd3d3f6ad15aa7a4fd Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 22 Oct 2014 12:13:07 +0200 Subject: arm: marvell: Move arch-kirkwood/spi.h to arch-mvebu/spi.h This move makes it possible to use this kirkwood SPI driver from other MVEBU platforms as well. This will be used by the upcoming Armada XP support. Signed-off-by: Stefan Roese Reviewed-by: Jagannadha Sutradharudu Teki Tested-by: Luka Perkov Acked-by: Prafulla Wadaskar diff --git a/arch/arm/include/asm/arch-kirkwood/spi.h b/arch/arm/include/asm/arch-kirkwood/spi.h deleted file mode 100644 index e512dce..0000000 --- a/arch/arm/include/asm/arch-kirkwood/spi.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * (C) Copyright 2009 - * Marvell Semiconductor - * Written-by: Prafulla Wadaskar - * - * Derived from drivers/spi/mpc8xxx_spi.c - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __KW_SPI_H__ -#define __KW_SPI_H__ - -/* SPI Registers on kirkwood SOC */ -struct kwspi_registers { - u32 ctrl; /* 0x10600 */ - u32 cfg; /* 0x10604 */ - u32 dout; /* 0x10608 */ - u32 din; /* 0x1060c */ - u32 irq_cause; /* 0x10610 */ - u32 irq_mask; /* 0x10614 */ -}; - -/* They are used to define CONFIG_SYS_KW_SPI_MPP - * each of the below #defines selects which mpp is - * configured for each SPI signal in spi_claim_bus - * bit 0: selects pin for MOSI (MPP1 if 0, MPP6 if 1) - * bit 1: selects pin for SCK (MPP2 if 0, MPP10 if 1) - * bit 2: selects pin for MISO (MPP3 if 0, MPP11 if 1) - */ -#define MOSI_MPP6 (1 << 0) -#define SCK_MPP10 (1 << 1) -#define MISO_MPP11 (1 << 2) - -#define KWSPI_CLKPRESCL_MASK 0x1f -#define KWSPI_CLKPRESCL_MIN 0x12 -#define KWSPI_CSN_ACT 1 /* Activates serial memory interface */ -#define KWSPI_SMEMRDY (1 << 1) /* SerMem Data xfer ready */ -#define KWSPI_IRQUNMASK 1 /* unmask SPI interrupt */ -#define KWSPI_IRQMASK 0 /* mask SPI interrupt */ -#define KWSPI_SMEMRDIRQ 1 /* SerMem data xfer ready irq */ -#define KWSPI_XFERLEN_1BYTE 0 -#define KWSPI_XFERLEN_2BYTE (1 << 5) -#define KWSPI_XFERLEN_MASK (1 << 5) -#define KWSPI_ADRLEN_1BYTE 0 -#define KWSPI_ADRLEN_2BYTE (1 << 8) -#define KWSPI_ADRLEN_3BYTE (2 << 8) -#define KWSPI_ADRLEN_4BYTE (3 << 8) -#define KWSPI_ADRLEN_MASK (3 << 8) -#define KWSPI_TIMEOUT 10000 - -#endif /* __KW_SPI_H__ */ diff --git a/arch/arm/include/asm/arch-mvebu/spi.h b/arch/arm/include/asm/arch-mvebu/spi.h new file mode 100644 index 0000000..e512dce --- /dev/null +++ b/arch/arm/include/asm/arch-mvebu/spi.h @@ -0,0 +1,52 @@ +/* + * (C) Copyright 2009 + * Marvell Semiconductor + * Written-by: Prafulla Wadaskar + * + * Derived from drivers/spi/mpc8xxx_spi.c + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __KW_SPI_H__ +#define __KW_SPI_H__ + +/* SPI Registers on kirkwood SOC */ +struct kwspi_registers { + u32 ctrl; /* 0x10600 */ + u32 cfg; /* 0x10604 */ + u32 dout; /* 0x10608 */ + u32 din; /* 0x1060c */ + u32 irq_cause; /* 0x10610 */ + u32 irq_mask; /* 0x10614 */ +}; + +/* They are used to define CONFIG_SYS_KW_SPI_MPP + * each of the below #defines selects which mpp is + * configured for each SPI signal in spi_claim_bus + * bit 0: selects pin for MOSI (MPP1 if 0, MPP6 if 1) + * bit 1: selects pin for SCK (MPP2 if 0, MPP10 if 1) + * bit 2: selects pin for MISO (MPP3 if 0, MPP11 if 1) + */ +#define MOSI_MPP6 (1 << 0) +#define SCK_MPP10 (1 << 1) +#define MISO_MPP11 (1 << 2) + +#define KWSPI_CLKPRESCL_MASK 0x1f +#define KWSPI_CLKPRESCL_MIN 0x12 +#define KWSPI_CSN_ACT 1 /* Activates serial memory interface */ +#define KWSPI_SMEMRDY (1 << 1) /* SerMem Data xfer ready */ +#define KWSPI_IRQUNMASK 1 /* unmask SPI interrupt */ +#define KWSPI_IRQMASK 0 /* mask SPI interrupt */ +#define KWSPI_SMEMRDIRQ 1 /* SerMem data xfer ready irq */ +#define KWSPI_XFERLEN_1BYTE 0 +#define KWSPI_XFERLEN_2BYTE (1 << 5) +#define KWSPI_XFERLEN_MASK (1 << 5) +#define KWSPI_ADRLEN_1BYTE 0 +#define KWSPI_ADRLEN_2BYTE (1 << 8) +#define KWSPI_ADRLEN_3BYTE (2 << 8) +#define KWSPI_ADRLEN_4BYTE (3 << 8) +#define KWSPI_ADRLEN_MASK (3 << 8) +#define KWSPI_TIMEOUT 10000 + +#endif /* __KW_SPI_H__ */ diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c index de0e914..9710f12 100644 --- a/drivers/spi/kirkwood_spi.c +++ b/drivers/spi/kirkwood_spi.c @@ -13,8 +13,8 @@ #include #include #include -#include #include +#include static struct kwspi_registers *spireg = (struct kwspi_registers *)KW_SPI_BASE; -- cgit v0.10.2