From 1b220f1856ab80be46a263d31ea9e6cf741c7df9 Mon Sep 17 00:00:00 2001 From: Amaury Pouly Date: Tue, 13 Sep 2011 23:38:56 +0000 Subject: imx233/fuze+: reset dma block correctly and define maximum transfer size git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30526 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/arm/imx233/dma-imx233.c | 4 ++-- firmware/target/arm/imx233/dma-imx233.h | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/firmware/target/arm/imx233/dma-imx233.c b/firmware/target/arm/imx233/dma-imx233.c index eba41958a9..97001210d2 100644 --- a/firmware/target/arm/imx233/dma-imx233.c +++ b/firmware/target/arm/imx233/dma-imx233.c @@ -28,8 +28,8 @@ void imx233_dma_init(void) { /* Enable APHB and APBX */ - __REG_CLR(HW_APBH_CTRL0) = __BLOCK_CLKGATE | __BLOCK_SFTRST; - __REG_CLR(HW_APBX_CTRL0) = __BLOCK_CLKGATE | __BLOCK_SFTRST; + imx233_reset_block(&HW_APBH_CTRL0); + imx233_reset_block(&HW_APBX_CTRL0); } void imx233_dma_reset_channel(unsigned chan) diff --git a/firmware/target/arm/imx233/dma-imx233.h b/firmware/target/arm/imx233/dma-imx233.h index bb88a746d0..c0727a51e1 100644 --- a/firmware/target/arm/imx233/dma-imx233.h +++ b/firmware/target/arm/imx233/dma-imx233.h @@ -152,6 +152,9 @@ struct apb_dma_command_t #define HW_APB_CHx_SEMA__PHORE_BM 0xff0000 #define HW_APB_CHx_SEMA__PHORE_BP 16 +/* A single descriptor cannot transfer more than 2^16 bytes */ +#define IMX233_MAX_SINGLE_DMA_XFER_SIZE (1 << 16) + void imx233_dma_init(void); void imx233_dma_reset_channel(unsigned chan); /* only apbh channel have clkgate control */ -- cgit v1.2.3