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@xxxxxx>
---
arch/arm/mach-omap2/mcbsp.c | 46 ++++++++++++++++++++++++++++++++
arch/arm/plat-omap/include/mach/mcbsp.h | 8 ++++-
2 files changed, 53 insertions(+), 1 deletion(-)
Index: linux-2.6/arch/arm/mach-omap2/mcbsp.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-omap2/mcbsp.c 2009-05-12 10:57:12.000000000 +0530
+++ linux-2.6/arch/arm/mach-omap2/mcbsp.c 2009-05-12 10:57:32.000000000 +0530
@@ -169,6 +169,47 @@
#define OMAP34XX_MCBSP_PDATA_SZ 0
#endif
+#ifdef CONFIG_ARCH_OMAP4
+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)
+#else
+#define omap44xx_mcbsp_pdata NULL
+#define OMAP44XX_MCBSP_PDATA_SZ 0
+#endif
+
static int __init omap2_mcbsp_init(void)
{
if (cpu_is_omap2420())
@@ -177,6 +218,8 @@
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 +235,9 @@
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();
}
Index: linux-2.6/arch/arm/plat-omap/include/mach/mcbsp.h
===================================================================
--- linux-2.6.orig/arch/arm/plat-omap/include/mach/mcbsp.h 2009-05-12
10:57:12.000000000 +0530
+++ linux-2.6/arch/arm/plat-omap/include/mach/mcbsp.h 2009-05-12
10:58:24.000000000 +0530
@@ -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
--
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