mirror of
https://github.com/AsahiLinux/u-boot
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154 lines
5.5 KiB
C
154 lines
5.5 KiB
C
/*
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* (C) Copyright 2007
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* Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __PMC440_H__
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#define __PMC440_H__
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/*-----------------------------------------------------------------------
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* GPIOs
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*/
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#define GPIO1_INTA_FAKE (0x80000000 >> (45-32)) /* GPIO45 OD */
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#define GPIO1_NONMONARCH (0x80000000 >> (63-32)) /* GPIO63 I */
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#define GPIO1_PPC_EREADY (0x80000000 >> (62-32)) /* GPIO62 I/O */
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#define GPIO1_M66EN (0x80000000 >> (61-32)) /* GPIO61 I */
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#define GPIO1_POST_N (0x80000000 >> (60-32)) /* GPIO60 O */
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#define GPIO1_IOEN_N (0x80000000 >> (50-32)) /* GPIO50 O */
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#define GPIO1_HWID_MASK (0xf0000000 >> (56-32)) /* GPIO56..59 I */
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#define GPIO1_USB_PWR_N (0x80000000 >> (32-32)) /* GPIO32 I */
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#define GPIO0_LED_RUN_N (0x80000000 >> 30) /* GPIO30 O */
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#define GPIO0_EP_EEP (0x80000000 >> 23) /* GPIO23 O */
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#define GPIO0_USB_ID (0x80000000 >> 21) /* GPIO21 I */
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#define GPIO0_USB_PRSNT (0x80000000 >> 20) /* GPIO20 I */
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#define GPIO0_SELF_RST (0x80000000 >> 6) /* GPIO6 OD */
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/* FPGA programming pin configuration */
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#define GPIO1_FPGA_PRG (0x80000000 >> (53-32)) /* FPGA program pin (ppc output) */
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#define GPIO1_FPGA_CLK (0x80000000 >> (51-32)) /* FPGA clk pin (ppc output) */
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#define GPIO1_FPGA_DATA (0x80000000 >> (52-32)) /* FPGA data pin (ppc output) */
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#define GPIO1_FPGA_DONE (0x80000000 >> (55-32)) /* FPGA done pin (ppc input) */
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#define GPIO1_FPGA_INIT (0x80000000 >> (54-32)) /* FPGA init pin (ppc input) */
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#define GPIO0_FPGA_FORCEINIT (0x80000000 >> 27) /* low: force INIT# low */
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/*-----------------------------------------------------------------------
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* FPGA interface
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*/
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#define FPGA_BA CONFIG_SYS_FPGA_BASE0
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#define FPGA_OUT32(p,v) out_be32(((void*)(p)), (v))
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#define FPGA_IN32(p) in_be32((void*)(p))
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#define FPGA_SETBITS(p,v) out_be32(((void*)(p)), in_be32((void*)(p)) | (v))
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#define FPGA_CLRBITS(p,v) out_be32(((void*)(p)), in_be32((void*)(p)) & ~(v))
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struct pmc440_fifo_s {
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u32 data;
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u32 ctrl;
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};
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/* fifo ctrl register */
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#define FIFO_IE (1 << 15)
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#define FIFO_OVERFLOW (1 << 10)
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#define FIFO_EMPTY (1 << 9)
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#define FIFO_FULL (1 << 8)
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#define FIFO_LEVEL_MASK 0x000000ff
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#define FIFO_COUNT 4
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struct pmc440_fpga_s {
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u32 ctrla;
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u32 status;
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u32 ctrlb;
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u32 pad1[0x40 / sizeof(u32) - 3];
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u32 irig_time; /* offset: 0x0040 */
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u32 irig_tod;
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u32 irig_cf;
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u32 pad2;
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u32 irig_rx_time; /* offset: 0x0050 */
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u32 pad3[3];
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u32 hostctrl; /* offset: 0x0060 */
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u32 pad4[0x20 / sizeof(u32) - 1];
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struct pmc440_fifo_s fifo[FIFO_COUNT]; /* 0x0080..0x009f */
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};
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typedef struct pmc440_fpga_s pmc440_fpga_t;
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/* ctrl register */
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#define CTRL_HOST_IE (1 << 8)
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/* outputs */
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#define RESET_EN (1 << 31)
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#define CLOCK_EN (1 << 30)
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#define RESET_OUT (1 << 19)
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#define CLOCK_OUT (1 << 22)
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#define RESET_OUT (1 << 19)
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#define IRIGB_R_OUT (1 << 14)
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/* status register */
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#define STATUS_VERSION_SHIFT 24
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#define STATUS_VERSION_MASK 0xff000000
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#define STATUS_HWREV_SHIFT 20
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#define STATUS_HWREV_MASK 0x00f00000
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#define STATUS_CAN_ISF (1 << 11)
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#define STATUS_CSTM_ISF (1 << 10)
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#define STATUS_FIFO_ISF (1 << 9)
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#define STATUS_HOST_ISF (1 << 8)
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/* inputs */
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#define RESET_IN (1 << 0)
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#define CLOCK_IN (1 << 1)
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#define IRIGB_R_IN (1 << 5)
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/* hostctrl register */
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#define HOSTCTRL_PMCRSTOUT_GATE (1 << 17)
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#define HOSTCTRL_PMCRSTOUT_FLAG (1 << 16)
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#define HOSTCTRL_CSTM1IE_GATE (1 << 7)
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#define HOSTCTRL_CSTM1IW_FLAG (1 << 6)
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#define HOSTCTRL_CSTM0IE_GATE (1 << 5)
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#define HOSTCTRL_CSTM0IW_FLAG (1 << 4)
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#define HOSTCTRL_FIFOIE_GATE (1 << 3)
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#define HOSTCTRL_FIFOIE_FLAG (1 << 2)
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#define HOSTCTRL_HCINT_GATE (1 << 1)
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#define HOSTCTRL_HCINT_FLAG (1 << 0)
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#define NGCC_CTRL_BASE (CONFIG_SYS_FPGA_BASE0 + 0x80000)
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#define NGCC_CTRL_FPGARST_N (1 << 2)
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/*-----------------------------------------------------------------------
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* FPGA to PPC interrupt
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*/
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#define IRQ0_FPGA (32+28) /* UIC1 - FPGA internal */
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#define IRQ1_FPGA (32+30) /* UIC1 - custom module */
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#define IRQ2_FPGA (64+ 3) /* UIC2 - custom module / CAN */
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#define IRQ_ETH0 (64+ 4) /* UIC2 */
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#define IRQ_ETH1 ( 27) /* UIC0 */
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#define IRQ_RTC (64+ 0) /* UIC2 */
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#define IRQ_PCIA (64+ 1) /* UIC2 */
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#define IRQ_PCIB (32+18) /* UIC1 */
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#define IRQ_PCIC (32+19) /* UIC1 */
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#define IRQ_PCID (32+20) /* UIC1 */
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#endif /* __PMC440_H__ */
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