From 93f379e6cfadfded0d262192ca69d1abc096d90e Mon Sep 17 00:00:00 2001 From: Benn Pörscke Date: Fri, 16 Dec 2011 15:04:55 +0100 Subject: Squash Change-Id: I2fcf46d1fc4b0cd4c61e5be3654c43b80db86015 --- arch/arm/mach-ux500/usb.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'arch/arm/mach-ux500/usb.c') diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c index 5ba1b4373aa..5baae5f06aa 100644 --- a/arch/arm/mach-ux500/usb.c +++ b/arch/arm/mach-ux500/usb.c @@ -96,7 +96,47 @@ static u64 ux500_musb_dmamask = DMA_BIT_MASK(0); #endif static struct ux500_pins *usb_gpio_pins; +/** + * Fifo mode + * Sum of maxpacket <= 12 KB + * As ux500 provides 12 KB buffer size only + * + * Enable Double buffer for Mass Storage Class + * endpoint. + */ +static struct musb_fifo_cfg ux500_mode_cfg[] = { +{ .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, .mode = BUF_DOUBLE, }, +{ .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, .mode = BUF_DOUBLE, }, +{ .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, .mode = BUF_DOUBLE, }, +{ .hw_ep_num = 2, .style = FIFO_RX, .maxpacket = 512, .mode = BUF_DOUBLE, }, +{ .hw_ep_num = 3, .style = FIFO_TX, .maxpacket = 512, }, +{ .hw_ep_num = 3, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 4, .style = FIFO_TX, .maxpacket = 512, }, +{ .hw_ep_num = 4, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 5, .style = FIFO_TX, .maxpacket = 512, }, +{ .hw_ep_num = 5, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 6, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 6, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 7, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 7, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 8, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 8, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 9, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 9, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 10, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 10, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 11, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 11, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 12, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 12, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 13, .style = FIFO_RXTX, .maxpacket = 512, }, +{ .hw_ep_num = 14, .style = FIFO_RXTX, .maxpacket = 1024, }, +{ .hw_ep_num = 15, .style = FIFO_RXTX, .maxpacket = 1024, }, +}; + static struct musb_hdrc_config musb_hdrc_config = { + .fifo_cfg = ux500_mode_cfg, /* Fifo configuration */ + .fifo_cfg_size = ARRAY_SIZE(ux500_mode_cfg), .multipoint = true, .dyn_fifo = true, .num_eps = 16, -- cgit v1.2.3