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| author | Tom Rini <trini@ti.com> | 2012-08-08 14:29:51 -0700 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:18 +0200 |
| commit | 4c0620bf42172325ea0c6afa0fdd362bb264e31b (patch) | |
| tree | f6d80d46abe958b5be5aa138313413b77ffb4f80 | |
| parent | 6bfca5031b922b29d12c119910c04528173f1d86 (diff) | |
| download | u-boot-imx-4c0620bf42172325ea0c6afa0fdd362bb264e31b.zip u-boot-imx-4c0620bf42172325ea0c6afa0fdd362bb264e31b.tar.gz u-boot-imx-4c0620bf42172325ea0c6afa0fdd362bb264e31b.tar.bz2 | |
am33xx: Add support, update omap3 McSPI driver
Signed-off-by: Tom Rini <trini@ti.com>
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock.c | 5 | ||||
| -rw-r--r-- | drivers/spi/omap3_spi.c | 6 | ||||
| -rw-r--r-- | drivers/spi/omap3_spi.h | 5 |
3 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c index 1071f92..2b19506 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ b/arch/arm/cpu/armv7/am33xx/clock.c @@ -148,6 +148,11 @@ static void enable_per_clocks(void) writel(PRCM_MOD_EN, &cmper->cpgmac0clkctrl); while ((readl(&cmper->cpgmac0clkctrl) & CPGMAC0_IDLE) != PRCM_FUNCTL) ; + + /* spi0 */ + writel(PRCM_MOD_EN, &cmper->spi0clkctrl); + while (readl(&cmper->spi0clkctrl) != PRCM_MOD_EN) + ; } static void mpu_pll_config(void) diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index 9346c0b..47f9e56 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -86,15 +86,21 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, case 0: ds->regs = (struct mcspi *)OMAP3_MCSPI1_BASE; break; +#ifdef OMAP3_MCSPI2_BASE case 1: ds->regs = (struct mcspi *)OMAP3_MCSPI2_BASE; break; +#endif +#ifdef OMAP3_MCSPI3_BASE case 2: ds->regs = (struct mcspi *)OMAP3_MCSPI3_BASE; break; +#endif +#ifdef OMAP3_MCSPI4_BASE case 3: ds->regs = (struct mcspi *)OMAP3_MCSPI4_BASE; break; +#endif default: printf("SPI error: unsupported bus %i. \ Supported busses 0 - 3\n", bus); diff --git a/drivers/spi/omap3_spi.h b/drivers/spi/omap3_spi.h index 0ac801c..bffa43c 100644 --- a/drivers/spi/omap3_spi.h +++ b/drivers/spi/omap3_spi.h @@ -30,10 +30,15 @@ #ifndef _OMAP3_SPI_H_ #define _OMAP3_SPI_H_ +#ifdef CONFIG_AM33XX +#define OMAP3_MCSPI1_BASE 0x48030100 +#define OMAP3_MCSPI2_BASE 0x481A0100 +#else #define OMAP3_MCSPI1_BASE 0x48098000 #define OMAP3_MCSPI2_BASE 0x4809A000 #define OMAP3_MCSPI3_BASE 0x480B8000 #define OMAP3_MCSPI4_BASE 0x480BA000 +#endif #define OMAP3_MCSPI_MAX_FREQ 48000000 |