diff options
| author | Dirk Opfer <dirk@opfer-online.de> | 2006-09-25 22:41:47 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-27 20:59:00 +0100 |
| commit | a2025e7f73ae5eab0a25dad88c60aba67e3ae690 (patch) | |
| tree | 95470b4d1fea82bf8ef9b92afaf4bf49b8c238f3 /arch/arm/common | |
| parent | 8d48427ecb0639593ccf14e807479b7873254ccb (diff) | |
| download | blackbird-obmc-linux-a2025e7f73ae5eab0a25dad88c60aba67e3ae690.tar.gz blackbird-obmc-linux-a2025e7f73ae5eab0a25dad88c60aba67e3ae690.zip | |
[ARM] 3863/1: Add Locomo SPI Device
The Locomo chip has a SPI interface which is used for SD/MMC cards (only collie).
This patch adds the definition for the SPI device inside the Locomo chip.
Signed-off-by: Dirk Opfer <Dirk@Opfer-Online.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common')
| -rw-r--r-- | arch/arm/common/locomo.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index c46dc65ec79a..181ef1ead5b8 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -121,6 +121,13 @@ static struct locomo_dev_info locomo_devices[] = { .offset = 0, .length = 0, }, + { + .devid = LOCOMO_DEVID_SPI, + .irq = {}, + .name = "locomo-spi", + .offset = LOCOMO_SPI, + .length = 0x30, + }, }; @@ -374,7 +381,7 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc, struct irqdesc *d; void __iomem *mapbase = get_irq_chipdata(irq); - req = locomo_readl(mapbase + LOCOMO_SPIIR) & 0x000F; + req = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIR) & 0x000F; if (req) { irq = LOCOMO_IRQ_SPI_START; d = irq_desc + irq; @@ -391,35 +398,35 @@ static void locomo_spi_ack_irq(unsigned int irq) { void __iomem *mapbase = get_irq_chipdata(irq); unsigned int r; - r = locomo_readl(mapbase + LOCOMO_SPIWE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIWE); r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIWE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIWE); - r = locomo_readl(mapbase + LOCOMO_SPIIS); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIS); r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIIS); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIS); - r = locomo_readl(mapbase + LOCOMO_SPIWE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIWE); r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIWE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIWE); } static void locomo_spi_mask_irq(unsigned int irq) { void __iomem *mapbase = get_irq_chipdata(irq); unsigned int r; - r = locomo_readl(mapbase + LOCOMO_SPIIE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIE); r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIIE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIE); } static void locomo_spi_unmask_irq(unsigned int irq) { void __iomem *mapbase = get_irq_chipdata(irq); unsigned int r; - r = locomo_readl(mapbase + LOCOMO_SPIIE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIE); r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIIE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIE); } static struct irq_chip locomo_spi_chip = { |
