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authorSyed Rafiuddin <rafiuddin.syed@ti.com>2009-07-28 18:57:10 +0530
committerSantosh Shilimkar <santosh.shilimkar@ti.com>2009-07-28 18:57:10 +0530
commita5b92cc348299c20be215b9f4b50853ecfbf3864 (patch)
treee74bfd52986bad6775c79dc98338fb3d849828c6
parent4fef5f90edc80aae92efec049750de93be9e25cb (diff)
ARM: OMAP4: Add McBSP support
This patch creates McBSP support on OMAP4430 development platform. This patch includes corresponding base address changes for OMAP4. Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
-rw-r--r--arch/arm/mach-omap2/mcbsp.c41
-rw-r--r--arch/arm/plat-omap/include/mach/mcbsp.h8
-rw-r--r--arch/arm/plat-omap/mcbsp.c2
3 files changed, 49 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index a5c0f0435cd..d49dfb5e931 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -169,6 +169,42 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
#define OMAP34XX_MCBSP_PDATA_SZ 0
#endif
+static struct omap_mcbsp_platform_data omap44xx_mcbsp_pdata[] = {
+ {
+ .phys_base = OMAP44XX_MCBSP1_BASE,
+ .dma_rx_sync = OMAP44XX_DMA_MCBSP1_RX,
+ .dma_tx_sync = OMAP44XX_DMA_MCBSP1_TX,
+ .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ },
+ {
+ .phys_base = OMAP44XX_MCBSP2_BASE,
+ .dma_rx_sync = OMAP44XX_DMA_MCBSP2_RX,
+ .dma_tx_sync = OMAP44XX_DMA_MCBSP2_TX,
+ .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ },
+ {
+ .phys_base = OMAP44XX_MCBSP3_BASE,
+ .dma_rx_sync = OMAP44XX_DMA_MCBSP3_RX,
+ .dma_tx_sync = OMAP44XX_DMA_MCBSP3_TX,
+ .rx_irq = INT_24XX_MCBSP3_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP3_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ },
+ {
+ .phys_base = OMAP44XX_MCBSP4_BASE,
+ .dma_rx_sync = OMAP44XX_DMA_MCBSP4_RX,
+ .dma_tx_sync = OMAP44XX_DMA_MCBSP4_TX,
+ .rx_irq = INT_24XX_MCBSP4_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP4_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ },
+};
+#define OMAP44XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap44xx_mcbsp_pdata)
+
static int __init omap2_mcbsp_init(void)
{
if (cpu_is_omap2420())
@@ -177,6 +213,8 @@ static int __init omap2_mcbsp_init(void)
omap_mcbsp_count = OMAP2430_MCBSP_PDATA_SZ;
if (cpu_is_omap34xx())
omap_mcbsp_count = OMAP34XX_MCBSP_PDATA_SZ;
+ if (cpu_is_omap44xx())
+ omap_mcbsp_count = OMAP44XX_MCBSP_PDATA_SZ;
mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
GFP_KERNEL);
@@ -192,6 +230,9 @@ static int __init omap2_mcbsp_init(void)
if (cpu_is_omap34xx())
omap_mcbsp_register_board_cfg(omap34xx_mcbsp_pdata,
OMAP34XX_MCBSP_PDATA_SZ);
+ if (cpu_is_omap44xx())
+ omap_mcbsp_register_board_cfg(omap44xx_mcbsp_pdata,
+ OMAP44XX_MCBSP_PDATA_SZ);
return omap_mcbsp_init();
}
diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index bb154ea7676..ec6f81e06d3 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -53,6 +53,11 @@
#define OMAP34XX_MCBSP4_BASE 0x49026000
#define OMAP34XX_MCBSP5_BASE 0x48096000
+#define OMAP44XX_MCBSP1_BASE 0x49022000
+#define OMAP44XX_MCBSP2_BASE 0x49024000
+#define OMAP44XX_MCBSP3_BASE 0x49026000
+#define OMAP44XX_MCBSP4_BASE 0x48074000
+
#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730)
#define OMAP_MCBSP_REG_DRR2 0x00
@@ -98,7 +103,8 @@
#define AUDIO_DMA_TX OMAP_DMA_MCBSP1_TX
#define AUDIO_DMA_RX OMAP_DMA_MCBSP1_RX
-#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+ defined(CONFIG_ARCH_OMAP4)
#define OMAP_MCBSP_REG_DRR2 0x00
#define OMAP_MCBSP_REG_DRR1 0x04
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index efa0e0111f3..e42fa7cfc79 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -191,7 +191,7 @@ void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config)
OMAP_MCBSP_WRITE(io_base, MCR2, config->mcr2);
OMAP_MCBSP_WRITE(io_base, MCR1, config->mcr1);
OMAP_MCBSP_WRITE(io_base, PCR0, config->pcr0);
- if (cpu_is_omap2430() || cpu_is_omap34xx()) {
+ if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
OMAP_MCBSP_WRITE(io_base, XCCR, config->xccr);
OMAP_MCBSP_WRITE(io_base, RCCR, config->rccr);
}