[src/trunk]: src/sys/arch/arm/allwinner add MMC IDMA descriptor

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/21c23f70bee3
branches:  trunk
changeset: 332122:21c23f70bee3
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Sep 07 21:54:08 2014 +0000

description:
add MMC IDMA descriptor

diffstat:

 sys/arch/arm/allwinner/awin_reg.h |  14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diffs (24 lines):

diff -r 3a05419ea11e -r 21c23f70bee3 sys/arch/arm/allwinner/awin_reg.h
--- a/sys/arch/arm/allwinner/awin_reg.h Sun Sep 07 20:55:34 2014 +0000
+++ b/sys/arch/arm/allwinner/awin_reg.h Sun Sep 07 21:54:08 2014 +0000
@@ -719,6 +719,20 @@
 #define AWIN_MMC_IDST_RECEIVE_INT      __BIT(1)
 #define AWIN_MMC_IDST_TRANSMIT_INT     __BIT(0)
 
+struct awin_mmc_idma_descriptor {
+       uint32_t        dma_config;
+#define AWIN_MMC_IDMA_CONFIG_DIC       __BIT(1)
+#define AWIN_MMC_IDMA_CONFIG_LD                __BIT(2)
+#define AWIN_MMC_IDMA_CONFIG_FD                __BIT(3)
+#define AWIN_MMC_IDMA_CONFIG_CH                __BIT(4)
+#define AWIN_MMC_IDMA_CONFIG_ER                __BIT(5)
+#define AWIN_MMC_IDMA_CONFIG_CES       __BIT(30)
+#define AWIN_MMC_IDMA_CONFIG_OWN       __BIT(31)
+       uint32_t        dma_buf_size;
+       uint32_t        dma_buf_addr;
+       uint32_t        dma_next;
+} __packed;
+
 #define AWIN_CPUCFG_CPU0_RST_CTRL_REG  0x0040
 #define AWIN_CPUCFG_CPU0_CTRL_REG      0x0044
 #define AWIN_CPUCFG_CPU0_STATUS_REG    0x0048