This will be used by the i.MX6 NAND support.
Signed-off-by: Stefan Roese sr@denx.de Cc: Stefano Babic sbabic@denx.de Cc: Marek Vasut marex@denx.de Cc: Fabio Estevam fabio.estevam@freescale.com --- arch/arm/include/asm/arch-mx6/imx-regs.h | 4 ++++ arch/arm/include/asm/imx-common/dma.h | 12 ++++++++++++ arch/arm/include/asm/imx-common/regs-apbh.h | 17 ++++++++++++++++- drivers/dma/apbh_dma.c | 2 +- 4 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index eaa7439..6837678 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -38,6 +38,10 @@ #define DTCP_ARB_BASE_ADDR 0x00138000 #define DTCP_ARB_END_ADDR 0x0013BFFF
+#define MXS_APBH_BASE APBH_DMA_ARB_BASE_ADDR +#define MXS_GPMI_BASE (APBH_DMA_ARB_BASE_ADDR + 0x02000) +#define MXS_BCH_BASE (APBH_DMA_ARB_BASE_ADDR + 0x04000) + /* GPV - PL301 configuration ports */ #define GPV2_BASE_ADDR 0x00200000 #define GPV3_BASE_ADDR 0x00300000 diff --git a/arch/arm/include/asm/imx-common/dma.h b/arch/arm/include/asm/imx-common/dma.h index 1ac8696..cb74528 100644 --- a/arch/arm/include/asm/imx-common/dma.h +++ b/arch/arm/include/asm/imx-common/dma.h @@ -72,6 +72,18 @@ enum { MXS_DMA_CHANNEL_AHB_APBH_RESERVED1, MXS_MAX_DMA_CHANNELS, }; +#elif defined(CONFIG_MX6) +enum { + MXS_DMA_CHANNEL_AHB_APBH_GPMI0 = 0, + MXS_DMA_CHANNEL_AHB_APBH_GPMI1, + MXS_DMA_CHANNEL_AHB_APBH_GPMI2, + MXS_DMA_CHANNEL_AHB_APBH_GPMI3, + MXS_DMA_CHANNEL_AHB_APBH_GPMI4, + MXS_DMA_CHANNEL_AHB_APBH_GPMI5, + MXS_DMA_CHANNEL_AHB_APBH_GPMI6, + MXS_DMA_CHANNEL_AHB_APBH_GPMI7, + MXS_MAX_DMA_CHANNELS, +}; #endif
/* diff --git a/arch/arm/include/asm/imx-common/regs-apbh.h b/arch/arm/include/asm/imx-common/regs-apbh.h index a5de927..bcec6e0 100644 --- a/arch/arm/include/asm/imx-common/regs-apbh.h +++ b/arch/arm/include/asm/imx-common/regs-apbh.h @@ -109,7 +109,7 @@ struct mxs_apbh_regs { mxs_reg_32(hw_apbh_version) };
-#elif defined(CONFIG_MX28) +#elif (defined(CONFIG_MX28) || defined(CONFIG_MX6)) struct mxs_apbh_regs { mxs_reg_32(hw_apbh_ctrl0) mxs_reg_32(hw_apbh_ctrl1) @@ -288,6 +288,17 @@ struct mxs_apbh_regs { #define APBH_CTRL0_CLKGATE_CHANNEL_NAND7 0x0800 #define APBH_CTRL0_CLKGATE_CHANNEL_HSADC 0x1000 #define APBH_CTRL0_CLKGATE_CHANNEL_LCDIF 0x2000 +#elif defined(CONFIG_MX6) +#define APBH_CTRL0_CLKGATE_CHANNEL_OFFSET 0 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND0 0x0001 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND1 0x0002 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND2 0x0004 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND3 0x0008 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND4 0x0010 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND5 0x0020 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND6 0x0040 +#define APBH_CTRL0_CLKGATE_CHANNEL_NAND7 0x0080 +#define APBH_CTRL0_CLKGATE_CHANNEL_SSP 0x0100 #endif
#define APBH_CTRL1_CH15_CMDCMPLT_IRQ_EN (1 << 31) @@ -393,6 +404,10 @@ struct mxs_apbh_regs { #define APBH_CHANNEL_CTRL_FREEZE_CHANNEL_LCDIF 0x2000 #endif
+#if defined(CONFIG_MX6) +#define APBH_CHANNEL_CTRL_RESET_CHANNEL_OFFSET 16 +#endif + #if defined(CONFIG_MX23) #define APBH_DEVSEL_CH7_MASK (0xf << 28) #define APBH_DEVSEL_CH7_OFFSET 28 diff --git a/drivers/dma/apbh_dma.c b/drivers/dma/apbh_dma.c index eb46bcf..510cb28 100644 --- a/drivers/dma/apbh_dma.c +++ b/drivers/dma/apbh_dma.c @@ -227,7 +227,7 @@ static int mxs_dma_reset(int channel) #if defined(CONFIG_MX23) uint32_t setreg = (uint32_t)(&apbh_regs->hw_apbh_ctrl0_set); uint32_t offset = APBH_CTRL0_RESET_CHANNEL_OFFSET; -#elif defined(CONFIG_MX28) +#elif (defined(CONFIG_MX28) || defined(CONFIG_MX6)) uint32_t setreg = (uint32_t)(&apbh_regs->hw_apbh_channel_ctrl_set); uint32_t offset = APBH_CHANNEL_CTRL_RESET_CHANNEL_OFFSET; #endif