This is fine. When I get more time, I will re-think handling of PXA2xx
version differences.
Stephen
pxa2xx_spi: add SSP types for the PXA27x
The PXA27x's SSP1 is not like the PXA25x's SSP, so add some more PXA27x
specific types so SSP1 works with DMA.
Signed-off-by: David Vrabel <[EMAIL PROTECTED]>
Signed-off-by: Stephen Street <[EMAIL PROTECTED]>
diff -u linux-2.6.16.28/drivers/spi/pxa2xx_spi.c linux-2.6.16.28/drivers/spi/pxa2xx_spi.c
--- linux-2.6.16.28/drivers/spi/pxa2xx_spi.c
+++ linux-2.6.16.28/drivers/spi/pxa2xx_spi.c
@@ -1260,18 +1260,20 @@
switch (platform_info->ssp_type) {
case PXA25x_SSP:
+ case PXA27x_SSP1:
DRCMRRXSSDR = DRCMR_MAPVLD
| drv_data->rx_channel;
DRCMRTXSSDR = DRCMR_MAPVLD
| drv_data->tx_channel;
break;
case PXA25x_NSSP:
+ case PXA27x_SSP2:
DRCMRRXSS2DR = DRCMR_MAPVLD
| drv_data->rx_channel;
DRCMRTXSS2DR = DRCMR_MAPVLD
| drv_data->tx_channel;
break;
- case PXA27x_SSP:
+ case PXA27x_SSP3:
DRCMRRXSS3DR = DRCMR_MAPVLD
| drv_data->rx_channel;
DRCMRTXSS3DR = DRCMR_MAPVLD
@@ -1359,14 +1361,16 @@
if (drv_data->master_info->enable_dma) {
switch (drv_data->ssp_type) {
case PXA25x_SSP:
+ case PXA27x_SSP1:
DRCMRRXSSDR = 0;
DRCMRTXSSDR = 0;
break;
case PXA25x_NSSP:
+ case PXA27x_SSP2:
DRCMRRXSS2DR = 0;
DRCMRTXSS2DR = 0;
break;
- case PXA27x_SSP:
+ case PXA27x_SSP3:
DRCMRRXSS3DR = 0;
DRCMRTXSS3DR = 0;
break;
diff -u linux-2.6.16.28/include/asm-arm/arch-pxa/pxa2xx_spi.h linux-2.6.16.28/include/asm-arm/arch-pxa/pxa2xx_spi.h
--- linux-2.6.16.28/include/asm-arm/arch-pxa/pxa2xx_spi.h
+++ linux-2.6.16.28/include/asm-arm/arch-pxa/pxa2xx_spi.h
@@ -25,7 +25,10 @@
SSP_UNDEFINED = 0,
PXA25x_SSP, /* pxa 210, 250, 255, 26x */
PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */
- PXA27x_SSP,
+ PXA27x_SSP1,
+ PXA27x_SSP2,
+ PXA27x_SSP3,
+ PXA27x_SSP = PXA27x_SSP3, /* for compatibility */
};
/* device.platform_data for SSP controller devices */
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