From 1c92a554fcad141f8c73eecdb1cc5ac0527a5c15 Mon Sep 17 00:00:00 2001 From: Hemant Pedanekar Date: Thu, 9 Jul 2009 19:43:20 +0530 Subject: davinci: dm646x: Add IDE setup This patch adds platform data and init function for IDE which could be called from board specific file to register IDE device. Note that for 594MHz device the transfer mode is limited to UDMA4 since ideclk rate is less than 100 MHz, which forces udma_mask in palm_bk3710.c to UDMA4, while for 729MHz device, it is UDMA5. Signed-off-by: Hemant Pedanekar Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/dm646x.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'arch/arm/mach-davinci/dm646x.c') diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 50f01e013aa8..3516f7699db2 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -600,6 +600,32 @@ static struct platform_device dm646x_edma_device = { .resource = edma_resources, }; +static struct resource ide_resources[] = { + { + .start = DM646X_ATA_REG_BASE, + .end = DM646X_ATA_REG_BASE + 0x7ff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DM646X_IDE, + .end = IRQ_DM646X_IDE, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 ide_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device ide_dev = { + .name = "palm_bk3710", + .id = -1, + .resource = ide_resources, + .num_resources = ARRAY_SIZE(ide_resources), + .dev = { + .dma_mask = &ide_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + static struct resource dm646x_mcasp0_resources[] = { { .name = "mcasp0", @@ -769,6 +795,12 @@ static struct davinci_soc_info davinci_soc_info_dm646x = { .sram_len = SZ_32K, }; +void __init dm646x_init_ide() +{ + davinci_cfg_reg(DM646X_ATAEN); + platform_device_register(&ide_dev); +} + void __init dm646x_init_mcasp0(struct snd_platform_data *pdata) { dm646x_mcasp0_device.dev.platform_data = pdata; -- cgit v1.2.2