diff options
author | Ajay Bhargav <ajay.bhargav@einfochips.com> | 2012-02-13 03:27:42 (GMT) |
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committer | Marek Vasut <marek.vasut@gmail.com> | 2012-03-18 23:08:26 (GMT) |
commit | 732c7c2446fb98fb2c3b7879f33080286a2d620d (patch) | |
tree | 97a752ef303184622241f918e45894f41a5008af /arch/arm/include | |
parent | f0bc5df45a7976ee96cdb7a967ae368397d9d66a (diff) | |
download | u-boot-732c7c2446fb98fb2c3b7879f33080286a2d620d.tar.xz |
USB: Armada100: Add UTMI PHY interface driver
This patch adds USB host controller's UTMI PHY interface driver for
Armada100 SOCs.
Signed-off-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/arch-armada100/armada100.h | 8 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-armada100/utmi-armada100.h | 79 |
2 files changed, 87 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-armada100/armada100.h b/arch/arm/include/asm/arch-armada100/armada100.h index 0ed3a8e..70fba27 100644 --- a/arch/arm/include/asm/arch-armada100/armada100.h +++ b/arch/arm/include/asm/arch-armada100/armada100.h @@ -43,6 +43,14 @@ #define SSP2_APBCLK 0x01 #define SSP2_FNCLK 0x02 +/* USB Clock/reset control bits */ +#define USB_SPH_AXICLK_EN 0x10 +#define USB_SPH_AXI_RST 0x02 + +/* MPMU Clocks */ +#define APB2_26M_EN (1 << 20) +#define AP_26M (1 << 4) + /* Register Base Addresses */ #define ARMD1_DRAM_BASE 0xB0000000 #define ARMD1_FEC_BASE 0xC0800000 diff --git a/arch/arm/include/asm/arch-armada100/utmi-armada100.h b/arch/arm/include/asm/arch-armada100/utmi-armada100.h new file mode 100644 index 0000000..097561f --- /dev/null +++ b/arch/arm/include/asm/arch-armada100/utmi-armada100.h @@ -0,0 +1,79 @@ +/* + * (C) Copyright 2012 + * eInfochips Ltd. <www.einfochips.com> + * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com> + * + * (C) Copyright 2009 + * Marvell Semiconductor <www.marvell.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef __UTMI_ARMADA100__ +#define __UTMI_ARMADA100__ + +#define UTMI_PHY_BASE 0xD4206000 + +/* utmi_ctrl - bits */ +#define INPKT_DELAY_SOF (1 << 28) +#define PLL_PWR_UP 2 +#define PHY_PWR_UP 1 + +/* utmi_pll - bits */ +#define PLL_FBDIV_MASK 0x00000FF0 +#define PLL_FBDIV 4 +#define PLL_REFDIV_MASK 0x0000000F +#define PLL_REFDIV 0 +#define PLL_READY 0x800000 +#define VCOCAL_START (1 << 21) + +#define N_DIVIDER 0xEE +#define M_DIVIDER 0x0B + +/* utmi_tx - bits */ +#define CK60_PHSEL 17 +#define PHSEL_VAL 0x4 +#define RCAL_START (1 << 12) + +/* + * USB PHY registers + * Refer Datasheet Appendix A.21 + */ +struct armd1usb_phy_reg { + u32 utmi_rev; /* USB PHY Revision */ + u32 utmi_ctrl; /* USB PHY Control register */ + u32 utmi_pll; /* PLL register */ + u32 utmi_tx; /* Tx register */ + u32 utmi_rx; /* Rx register */ + u32 utmi_ivref; /* IVREF register */ + u32 utmi_tst_g0; /* Test group 0 register */ + u32 utmi_tst_g1; /* Test group 1 register */ + u32 utmi_tst_g2; /* Test group 2 register */ + u32 utmi_tst_g3; /* Test group 3 register */ + u32 utmi_tst_g4; /* Test group 4 register */ + u32 utmi_tst_g5; /* Test group 5 register */ + u32 utmi_reserve; /* Reserve Register */ + u32 utmi_usb_int; /* USB interuppt register */ + u32 utmi_dbg_ctl; /* Debug control register */ + u32 utmi_otg_addon; /* OTG addon register */ +}; + +int utmi_init(void); + +#endif /* __UTMI_ARMADA100__ */ |