sh: Add SH7720 CPU support.

This adds support for the SH7720 (SH3-DSP) CPU.

Signed-off by: Markus Brunner <super.firetwister@gmail.com>
Signed-off by: Mark Jonas <toertel@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 10 insertions, 3 deletions

diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index ee711431e504..4e711a0c3dae 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -12,6 +12,7 @@ config SH_DMA
 config NR_ONCHIP_DMA_CHANNELS
         int
         depends on SH_DMA
+        default "6" if CPU_SUBTYPE_SH7720
         default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R
         default "12" if CPU_SUBTYPE_SH7780
         default "4"
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 06ed0609a95d..6e5f16cb0aa5 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -24,13 +24,18 @@ static int dmte_irq_map[] = {
         DMTE1_IRQ,
         DMTE2_IRQ,
         DMTE3_IRQ,
-#if defined(CONFIG_CPU_SUBTYPE_SH7751R) ||      \
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)  ||      \
+    defined(CONFIG_CPU_SUBTYPE_SH7751R) ||      \
     defined(CONFIG_CPU_SUBTYPE_SH7760)  ||      \
     defined(CONFIG_CPU_SUBTYPE_SH7780)
         DMTE4_IRQ,
         DMTE5_IRQ,
+#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7751R) ||      \
+    defined(CONFIG_CPU_SUBTYPE_SH7760)  ||      \
+    defined(CONFIG_CPU_SUBTYPE_SH7780)
         DMTE6_IRQ,
-        DMTE7_IRQ,    
+        DMTE7_IRQ,
 #endif
 };
 
@@ -196,7 +201,8 @@ static int sh_dmac_get_dma_residue(struct dma_channel *chan)
         return ctrl_inl(DMATCR[chan->chan]) << calc_xmit_shift(chan);
 }
 
-#ifdef CONFIG_CPU_SUBTYPE_SH7780
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7780)
 #define dmaor_read_reg()        ctrl_inw(DMAOR)
 #define dmaor_write_reg(data)   ctrl_outw(data, DMAOR)
 #else