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| author | Magnus Lilja <lilja.magnus@gmail.com> | 2008-08-03 21:44:10 +0200 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-08-11 23:33:57 +0200 |
| commit | 5276a3584d26a9533404f0ec00c3b61cf9a97939 (patch) | |
| tree | 91eab723f350bb9a82837412614092bc7ba31522 /include | |
| parent | b6b183c5b2fffd4c456b7e3fcb064cceb47fe7ac (diff) | |
| download | u-boot-imx-5276a3584d26a9533404f0ec00c3b61cf9a97939.zip u-boot-imx-5276a3584d26a9533404f0ec00c3b61cf9a97939.tar.gz u-boot-imx-5276a3584d26a9533404f0ec00c3b61cf9a97939.tar.bz2 | |
i.MX31: Fix mx31_gpio_mux() function and MUX_-macros.
Correct the mx31_gpio_mux() function to allow changing all i.MX31 IOMUX
contacts instead of only the first 256 ones as is the case prior to
this patch.
Add missing MUX_* macros and update board files to use the new macros.
Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-arm/arch-mx31/mx31-regs.h | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/include/asm-arm/arch-mx31/mx31-regs.h b/include/asm-arm/arch-mx31/mx31-regs.h index abe61f0..b04a718 100644 --- a/include/asm-arm/arch-mx31/mx31-regs.h +++ b/include/asm-arm/arch-mx31/mx31-regs.h @@ -126,17 +126,32 @@ #define MUX_CTL_CSPI2_SS2 0x87 #define MUX_CTL_CSPI2_MOSI 0x8b -/* The modes a specific pin can be in - * these macros can be used in mx31_gpio_mux() and have the form - * MUX_[contact name]__[pin function] +/* + * Helper macros for the MUX_[contact name]__[pin function] macros */ -#define MUX_RXD1__UART1_RXD_MUX ((MUX_CTL_FUNC << 8) | MUX_CTL_RXD1) -#define MUX_TXD1__UART1_TXD_MUX ((MUX_CTL_FUNC << 8) | MUX_CTL_TXD1) -#define MUX_RTS1__UART1_RTS_B ((MUX_CTL_FUNC << 8) | MUX_CTL_RTS1) -#define MUX_CTS1__UART1_CTS_B ((MUX_CTL_FUNC << 8) | MUX_CTL_CTS1) +#define IOMUX_MODE_POS 9 +#define IOMUX_MODE(contact, mode) (((mode) << IOMUX_MODE_POS) | (contact)) -#define MUX_CSPI2_MOSI__I2C2_SCL ((MUX_CTL_ALT1 << 8) | MUX_CTL_CSPI2_MOSI) -#define MUX_CSPI2_MISO__I2C2_SDA ((MUX_CTL_ALT1 << 8) | MUX_CTL_CSPI2_MISO) +/* + * These macros can be used in mx31_gpio_mux() and have the form + * MUX_[contact name]__[pin function] + */ +#define MUX_RXD1__UART1_RXD_MUX IOMUX_MODE(MUX_CTL_RXD1, MUX_CTL_FUNC) +#define MUX_TXD1__UART1_TXD_MUX IOMUX_MODE(MUX_CTL_TXD1, MUX_CTL_FUNC) +#define MUX_RTS1__UART1_RTS_B IOMUX_MODE(MUX_CTL_RTS1, MUX_CTL_FUNC) +#define MUX_CTS1__UART1_CTS_B IOMUX_MODE(MUX_CTL_CTS1, MUX_CTL_FUNC) + +#define MUX_CSPI2_SS0__CSPI2_SS0_B IOMUX_MODE(MUX_CTL_CSPI2_SS0, MUX_CTL_FUNC) +#define MUX_CSPI2_SS1__CSPI2_SS1_B IOMUX_MODE(MUX_CTL_CSPI2_SS1, MUX_CTL_FUNC) +#define MUX_CSPI2_SS2__CSPI2_SS2_B IOMUX_MODE(MUX_CTL_CSPI2_SS2, MUX_CTL_FUNC) +#define MUX_CSPI2_MOSI__CSPI2_MOSI IOMUX_MODE(MUX_CTL_CSPI2_MOSI, MUX_CTL_FUNC) +#define MUX_CSPI2_MISO__CSPI2_MISO IOMUX_MODE(MUX_CTL_CSPI2_MISO, MUX_CTL_FUNC) +#define MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B \ + IOMUX_MODE(MUX_CTL_CSPI2_SPI_RDY, MUX_CTL_FUNC) +#define MUX_CSPI2_SCLK__CSPI2_CLK IOMUX_MODE(MUX_CTL_CSPI2_SCLK, MUX_CTL_FUNC) + +#define MUX_CSPI2_MOSI__I2C2_SCL IOMUX_MODE(MUX_CTL_CSPI2_MOSI, MUX_CTL_ALT1) +#define MUX_CSPI2_MISO__I2C2_SDA IOMUX_MODE(MUX_CTL_CSPI2_MISO, MUX_CTL_ALT1) /* * Memory regions and CS |