[U-Boot] [RFC PATCH 3/3] ARM: atmel: add RNDIS gadget support
Bo Shen
voice.shen at atmel.com
Tue Sep 3 05:47:10 CEST 2013
Add RNDIS gadget support to test atmel usba udc driver
Signed-off-by: Bo Shen <voice.shen at atmel.com>
---
arch/arm/cpu/armv7/at91/sama5d3_devices.c | 12 ++++++
arch/arm/include/asm/arch-at91/at91_common.h | 1 +
board/atmel/sama5d3xek/sama5d3xek.c | 51 ++++++++++++++++++++++++++
include/configs/sama5d3xek.h | 8 ++++
4 files changed, 72 insertions(+)
diff --git a/arch/arm/cpu/armv7/at91/sama5d3_devices.c b/arch/arm/cpu/armv7/at91/sama5d3_devices.c
index 4a3fca5..12c6d08 100644
--- a/arch/arm/cpu/armv7/at91/sama5d3_devices.c
+++ b/arch/arm/cpu/armv7/at91/sama5d3_devices.c
@@ -178,3 +178,15 @@ void at91_lcd_hw_init(void)
at91_periph_clk_enable(ATMEL_ID_LCDC);
}
#endif
+
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+void at91_udp_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ /* Enable UPLL clock */
+ writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
+ /* Enable UDPHS clock */
+ at91_periph_clk_enable(ATMEL_ID_UDPHS);
+}
+#endif
diff --git a/arch/arm/include/asm/arch-at91/at91_common.h b/arch/arm/include/asm/arch-at91/at91_common.h
index d659702..7acc1b0 100644
--- a/arch/arm/include/asm/arch-at91/at91_common.h
+++ b/arch/arm/include/asm/arch-at91/at91_common.h
@@ -18,6 +18,7 @@ void at91_serial2_hw_init(void);
void at91_seriald_hw_init(void);
void at91_spi0_hw_init(unsigned long cs_mask);
void at91_spi1_hw_init(unsigned long cs_mask);
+void at91_udp_hw_init(void);
void at91_uhp_hw_init(void);
void at91_lcd_hw_init(void);
diff --git a/board/atmel/sama5d3xek/sama5d3xek.c b/board/atmel/sama5d3xek/sama5d3xek.c
index 4a309ad..161e8ed 100644
--- a/board/atmel/sama5d3xek/sama5d3xek.c
+++ b/board/atmel/sama5d3xek/sama5d3xek.c
@@ -20,6 +20,10 @@
#include <net.h>
#include <netdev.h>
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+#include <linux/usb/atmel_usba_udc.h>
+#endif
+
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
@@ -169,6 +173,9 @@ int board_init(void)
#ifdef CONFIG_CMD_USB
sama5d3xek_usb_hw_init();
#endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+ at91_udp_hw_init();
+#endif
#ifdef CONFIG_GENERIC_ATMEL_MCI
sama5d3xek_mci_hw_init();
#endif
@@ -193,6 +200,44 @@ int dram_init(void)
return 0;
}
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
+ [idx] = { \
+ .name = nam, \
+ .index = idx, \
+ .fifo_size = maxpkt, \
+ .nr_banks = maxbk, \
+ .can_dma = dma, \
+ .can_isoc = isoc, \
+ }
+
+static struct usba_ep_data usba_udc_ep[] = {
+ EP("ep0", 0, 64, 1, 0, 0),
+ EP("ep1", 1, 1024, 3, 1, 0),
+ EP("ep2", 2, 1024, 3, 1, 0),
+ EP("ep3", 3, 1024, 2, 1, 0),
+ EP("ep4", 4, 1024, 2, 1, 0),
+ EP("ep5", 5, 1024, 2, 1, 0),
+ EP("ep6", 6, 1024, 2, 1, 0),
+ EP("ep7", 7, 1024, 2, 1, 0),
+ EP("ep8", 8, 1024, 2, 0, 0),
+ EP("ep9", 9, 1024, 2, 0, 0),
+ EP("ep10", 10, 1024, 2, 0, 0),
+ EP("ep11", 11, 1024, 2, 0, 0),
+ EP("ep12", 12, 1024, 2, 0, 0),
+ EP("ep13", 13, 1024, 2, 0, 0),
+ EP("ep14", 14, 1024, 2, 0, 0),
+ EP("ep15", 15, 1024, 2, 0, 0),
+};
+
+#undef EP
+
+static struct usba_platform_data pdata = {
+ .num_ep = ARRAY_SIZE(usba_udc_ep),
+ .ep = usba_udc_ep,
+};
+#endif
+
int board_eth_init(bd_t *bis)
{
int rc = 0;
@@ -201,6 +246,12 @@ int board_eth_init(bd_t *bis)
if (has_emac())
rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00);
#endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+ usba_udc_probe(&pdata);
+#ifdef CONFIG_USB_ETH_RNDIS
+ usb_eth_initialize(bis);
+#endif
+#endif
return rc;
}
diff --git a/include/configs/sama5d3xek.h b/include/configs/sama5d3xek.h
index 10697d6..002ddd2 100644
--- a/include/configs/sama5d3xek.h
+++ b/include/configs/sama5d3xek.h
@@ -161,6 +161,14 @@
#define CONFIG_USB_STORAGE
#endif
+/* USB device */
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_ATMEL_USBA
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#define CONFIG_USBNET_MANUFACTURER "Atmel SAMA5D3xEK"
+
#if defined(CONFIG_CMD_USB) || defined(CONFIG_CMD_MMC)
#define CONFIG_CMD_FAT
#endif
--
1.7.9.5
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