diff options
| author | Sylvain Lemieux <slemieux@tycoint.com> | 2015-08-13 15:40:22 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-08-18 13:45:57 -0400 |
| commit | adf8d58d4f34533cd12174d76ae404eb740e844f (patch) | |
| tree | 343f6a0e57fcd19976b62f5c2385a9618c1d3551 /arch | |
| parent | 1933af15e2ce9dfdf64d6c663eb16963ae0341ad (diff) | |
| download | talos-obmc-uboot-adf8d58d4f34533cd12174d76ae404eb740e844f.tar.gz talos-obmc-uboot-adf8d58d4f34533cd12174d76ae404eb740e844f.zip | |
usb: lpc32xx: add host USB driver
Incorporate USB driver from legacy LPCLinux NXP BSP.
The files taken from the legacy patch are:
- lpc32xx USB driver
- lpc3250 header file USB registers definition.
The legacy driver was updated and clean-up as part of the integration with the latest u-boot.
Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>
Acked-by: Marek Vasut <marex@denx.de>
Tested-by: Vladimir Zapolskiy <vz@mleia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/lpc32xx/devices.c | 6 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/clk.h | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/sys_proto.h | 1 |
3 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c index f0af851b5e..d9fa2807d7 100644 --- a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c +++ b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c @@ -72,6 +72,12 @@ void lpc32xx_slc_nand_init(void) writel(CLK_NAND_SLC | CLK_NAND_SLC_SELECT, &clk->flashclk_ctrl); } +void lpc32xx_usb_init(void) +{ + /* Do not route the UART 5 Tx/Rx pins to the USB D+ and USB D- pins. */ + clrbits_le32(&ctrl->ctrl, UART_CTRL_UART5_USB_MODE); +} + void lpc32xx_i2c_init(unsigned int devnum) { /* Enable I2C interface */ diff --git a/arch/arm/include/asm/arch-lpc32xx/clk.h b/arch/arm/include/asm/arch-lpc32xx/clk.h index 663f6bc777..d21310e194 100644 --- a/arch/arm/include/asm/arch-lpc32xx/clk.h +++ b/arch/arm/include/asm/arch-lpc32xx/clk.h @@ -167,6 +167,18 @@ struct clk_pm_regs { /* SDRAMCLK register bits */ #define CLK_SDRAM_DDR_SEL (1 << 1) +/* USB control register definitions */ +#define CLK_USBCTRL_PLL_STS (1 << 0) +#define CLK_USBCTRL_FDBK_PLUS1(n) (((n) & 0xFF) << 1) +#define CLK_USBCTRL_POSTDIV_2POW(n) (((n) & 0x3) << 11) +#define CLK_USBCTRL_PLL_PWRUP (1 << 16) +#define CLK_USBCTRL_CLK_EN1 (1 << 17) +#define CLK_USBCTRL_CLK_EN2 (1 << 18) +#define CLK_USBCTRL_BUS_KEEPER (0x1 << 19) +#define CLK_USBCTRL_USBHSTND_EN (1 << 21) +#define CLK_USBCTRL_USBDVND_EN (1 << 22) +#define CLK_USBCTRL_HCLK_EN (1 << 24) + unsigned int get_sys_clk_rate(void); unsigned int get_hclk_pll_rate(void); unsigned int get_hclk_clk_div(void); diff --git a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h index d6e5e683e8..eb8010f8b8 100644 --- a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h +++ b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h @@ -16,6 +16,7 @@ void lpc32xx_mlc_nand_init(void); void lpc32xx_slc_nand_init(void); void lpc32xx_i2c_init(unsigned int devnum); void lpc32xx_ssp_init(void); +void lpc32xx_usb_init(void); #if defined(CONFIG_SPL_BUILD) void ddr_init(const struct emc_dram_settings *dram); #endif |
