Hi,
This Patch adds base address for all the instances on OMAP34xx and defines some
relevant register.
It also populates McBSP structure for all the instances for 34xx.
Regards,
Chandra Shekhar
Signed-off-by: Chandra Shekhar< x0044955@xxxxxx>
---
arch/arm/mach-omap2/mcbsp.c | 53 +++++++++++++++++++++++++++++++++++---
include/asm-arm/arch-omap/mcbsp.h | 22 +++++++++++++++
2 files changed, 71 insertions(+), 4 deletions(-)
Index: linux-omap-2.6/arch/arm/mach-omap2/mcbsp.c
===================================================================
--- linux-omap-2.6.orig/arch/arm/mach-omap2/mcbsp.c 2008-06-25
15:55:52.000000000 +0530
+++ linux-omap-2.6/arch/arm/mach-omap2/mcbsp.c 2008-06-25 16:01:00.000000000 +0530
@@ -89,6 +89,30 @@
.disable = omap_mcbsp_clk_disable,
},
},
+ {
+ .clk = {
+ .name = "mcbsp_clk",
+ .id = 3,
+ .enable = omap_mcbsp_clk_enable,
+ .disable = omap_mcbsp_clk_disable,
+ },
+ },
+ {
+ .clk = {
+ .name = "mcbsp_clk",
+ .id = 4,
+ .enable = omap_mcbsp_clk_enable,
+ .disable = omap_mcbsp_clk_disable,
+ },
+ },
+ {
+ .clk = {
+ .name = "mcbsp_clk",
+ .id = 5,
+ .enable = omap_mcbsp_clk_enable,
+ .disable = omap_mcbsp_clk_disable,
+ },
+ },
};
#define omap_mcbsp_clks_size ARRAY_SIZE(omap_mcbsp_clks)
@@ -124,7 +148,7 @@
#ifdef CONFIG_ARCH_OMAP24XX
static struct omap_mcbsp_platform_data omap24xx_mcbsp_pdata[] = {
{
- .virt_base = IO_ADDRESS(OMAP24XX_MCBSP1_BASE),
+ .virt_base = OMAP2_IO_ADDRESS(OMAP24XX_MCBSP1_BASE),
.dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
.dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
.rx_irq = INT_24XX_MCBSP1_IRQ_RX,
@@ -133,7 +157,7 @@
.clk_name = "mcbsp_clk",
},
{
- .virt_base = IO_ADDRESS(OMAP24XX_MCBSP2_BASE),
+ .virt_base = OMAP2_IO_ADDRESS(OMAP24XX_MCBSP2_BASE),
.dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
.dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
.rx_irq = INT_24XX_MCBSP2_IRQ_RX,
@@ -151,7 +175,7 @@
#ifdef CONFIG_ARCH_OMAP34XX
static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
{
- .virt_base = IO_ADDRESS(OMAP34XX_MCBSP1_BASE),
+ .virt_base = OMAP2_IO_ADDRESS(OMAP34XX_MCBSP1_BASE),
.dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
.dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
.rx_irq = INT_24XX_MCBSP1_IRQ_RX,
@@ -160,7 +184,7 @@
.clk_name = "mcbsp_clk",
},
{
- .virt_base = IO_ADDRESS(OMAP34XX_MCBSP2_BASE),
+ .virt_base = OMAP2_IO_ADDRESS(OMAP34XX_MCBSP2_BASE),
.dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
.dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
.rx_irq = INT_24XX_MCBSP2_IRQ_RX,
@@ -168,6 +192,27 @@
.ops = &omap2_mcbsp_ops,
.clk_name = "mcbsp_clk",
},
+ {
+ .virt_base = OMAP2_IO_ADDRESS(OMAP34XX_MCBSP3_BASE),
+ .dma_rx_sync = OMAP24XX_DMA_MCBSP3_RX,
+ .dma_tx_sync = OMAP24XX_DMA_MCBSP3_TX,
+ .ops = &omap2_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+ {
+ .virt_base = OMAP2_IO_ADDRESS(OMAP34XX_MCBSP4_BASE),
+ .dma_rx_sync = OMAP24XX_DMA_MCBSP4_RX,
+ .dma_tx_sync = OMAP24XX_DMA_MCBSP4_TX,
+ .ops = &omap2_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+ {
+ .virt_base = OMAP2_IO_ADDRESS(OMAP34XX_MCBSP5_BASE),
+ .dma_rx_sync = OMAP24XX_DMA_MCBSP5_RX,
+ .dma_tx_sync = OMAP24XX_DMA_MCBSP5_TX,
+ .ops = &omap2_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
};
#define OMAP34XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap34xx_mcbsp_pdata)
#else
Index: linux-omap-2.6/include/asm-arm/arch-omap/mcbsp.h
===================================================================
--- linux-omap-2.6.orig/include/asm-arm/arch-omap/mcbsp.h 2008-06-25
15:55:52.000000000 +0530
+++ linux-omap-2.6/include/asm-arm/arch-omap/mcbsp.h 2008-06-25
16:03:31.000000000 +0530
@@ -46,6 +46,9 @@
#define OMAP34XX_MCBSP1_BASE 0x48074000
#define OMAP34XX_MCBSP2_BASE 0x49022000
+#define OMAP34XX_MCBSP3_BASE 0x49024000
+#define OMAP34XX_MCBSP4_BASE 0x49026000
+#define OMAP34XX_MCBSP5_BASE 0x48096000
#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) ||
defined(CONFIG_ARCH_OMAP730)
@@ -94,6 +97,8 @@
#define OMAP_MCBSP_REG_DRR1 0x04
#define OMAP_MCBSP_REG_DXR2 0x08
#define OMAP_MCBSP_REG_DXR1 0x0C
+#define OMAP_MCBSP_REG_DRR 0x00
+#define OMAP_MCBSP_REG_DXR 0x08
#define OMAP_MCBSP_REG_SPCR2 0x10
#define OMAP_MCBSP_REG_SPCR1 0x14
#define OMAP_MCBSP_REG_RCR2 0x18
@@ -121,6 +126,9 @@
#define OMAP_MCBSP_REG_RCERH 0x70
#define OMAP_MCBSP_REG_XCERG 0x74
#define OMAP_MCBSP_REG_XCERH 0x78
+#define OMAP_MCBSP_REG_SYSCON 0x8C
+#define OMAP_MCBSP_REG_XCCR 0xAC
+#define OMAP_MCBSP_REG_RCCR 0xB0
#define AUDIO_MCBSP_DATAWRITE (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1)
#define AUDIO_MCBSP_DATAREAD (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1)
@@ -145,6 +153,7 @@
#define DXENA 0x0080
#define CLKSTP(value) ((value)<<11) /* bits 11:12 */
#define RJUST(value) ((value)<<13) /* bits 13:14 */
+#define ALB 0x8000
#define DLB 0x8000
/************************** McBSP SPCR2 bit definitions ***********************/
@@ -222,6 +231,17 @@
#define XPABLK(value) ((value)<<5) /* Bits 5:6 */
#define XPBBLK(value) ((value)<<7) /* Bits 7:8 */
+/*********************** McBSP XCCR bit definitions *************************/
+#define DILB 0x0020
+#define XDMAEN 0x0008
+#define XDISABLE 0x0001
+
+/********************** McBSP RCCR bit definitions *************************/
+#define RDMAEN 0x0008
+#define RDISABLE 0x0001
+
+/********************** McBSP SYSCONFIG bit definitions ********************/
+#define SOFTRST 0x0002
/* we don't do multichannel for now */
struct omap_mcbsp_reg_cfg {
@@ -254,6 +274,8 @@
OMAP_MCBSP1 = 0,
OMAP_MCBSP2,
OMAP_MCBSP3,
+ OMAP_MCBSP4,
+ OMAP_MCBSP5
} omap_mcbsp_id;
typedef int __bitwise omap_mcbsp_io_type_t;
--
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