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/*
* (C) Copyright 2007
* Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __PMC440_H__
#define __PMC440_H__
/*-----------------------------------------------------------------------
* GPIOs
*/
#define GPIO1_INTA_FAKE (0x80000000 >> (45-32)) /* GPIO45 OD */
#define GPIO1_NONMONARCH (0x80000000 >> (63-32)) /* GPIO63 I */
#define GPIO1_PPC_EREADY (0x80000000 >> (62-32)) /* GPIO62 I/O */
#define GPIO1_M66EN (0x80000000 >> (61-32)) /* GPIO61 I */
#define GPIO1_POST_N (0x80000000 >> (60-32)) /* GPIO60 O */
#define GPIO1_IOEN_N (0x80000000 >> (50-32)) /* GPIO50 O */
#define GPIO1_HWID_MASK (0xf0000000 >> (56-32)) /* GPIO56..59 I */
#define GPIO1_USB_PWR_N (0x80000000 >> (32-32)) /* GPIO32 I */
#define GPIO0_LED_RUN_N (0x80000000 >> 30) /* GPIO30 O */
#define GPIO0_EP_EEP (0x80000000 >> 23) /* GPIO23 O */
#define GPIO0_USB_ID (0x80000000 >> 21) /* GPIO21 I */
#define GPIO0_USB_PRSNT (0x80000000 >> 20) /* GPIO20 I */
#define GPIO0_SELF_RST (0x80000000 >> 6) /* GPIO6 OD */
/* FPGA programming pin configuration */
#define GPIO1_FPGA_PRG (0x80000000 >> (53-32)) /* FPGA program pin (ppc output) */
#define GPIO1_FPGA_CLK (0x80000000 >> (51-32)) /* FPGA clk pin (ppc output) */
#define GPIO1_FPGA_DATA (0x80000000 >> (52-32)) /* FPGA data pin (ppc output) */
#define GPIO1_FPGA_DONE (0x80000000 >> (55-32)) /* FPGA done pin (ppc input) */
#define GPIO1_FPGA_INIT (0x80000000 >> (54-32)) /* FPGA init pin (ppc input) */
#define GPIO0_FPGA_FORCEINIT (0x80000000 >> 27) /* low: force INIT# low */
/*-----------------------------------------------------------------------
* FPGA interface
*/
#define FPGA_BA CFG_FPGA_BASE0
#define FPGA_OUT32(p,v) out_be32(((void*)(p)), (v))
#define FPGA_IN32(p) in_be32((void*)(p))
#define FPGA_SETBITS(p,v) out_be32(((void*)(p)), in_be32((void*)(p)) | (v))
#define FPGA_CLRBITS(p,v) out_be32(((void*)(p)), in_be32((void*)(p)) & ~(v))
struct pmc440_fifo_s {
u32 data;
u32 ctrl;
};
/* fifo ctrl register */
#define FIFO_IE (1 << 15)
#define FIFO_OVERFLOW (1 << 10)
#define FIFO_EMPTY (1 << 9)
#define FIFO_FULL (1 << 8)
#define FIFO_LEVEL_MASK 0x000000ff
#define FIFO_COUNT 4
struct pmc440_fpga_s {
u32 ctrla;
u32 status;
u32 ctrlb;
u32 pad1[0x40 / sizeof(u32) - 3];
u32 irig_time; /* offset: 0x0040 */
u32 irig_tod;
u32 irig_cf;
u32 pad2;
u32 irig_rx_time; /* offset: 0x0050 */
u32 pad3[3];
u32 hostctrl; /* offset: 0x0060 */
u32 pad4[0x20 / sizeof(u32) - 1];
struct pmc440_fifo_s fifo[FIFO_COUNT]; /* 0x0080..0x009f */
};
typedef struct pmc440_fpga_s pmc440_fpga_t;
/* ctrl register */
#define CTRL_HOST_IE (1 << 8)
/* outputs */
#define RESET_EN (1 << 31)
#define CLOCK_EN (1 << 30)
#define RESET_OUT (1 << 19)
#define CLOCK_OUT (1 << 22)
#define RESET_OUT (1 << 19)
#define IRIGB_R_OUT (1 << 14)
/* status register */
#define STATUS_VERSION_SHIFT 24
#define STATUS_VERSION_MASK 0xff000000
#define STATUS_HWREV_SHIFT 20
#define STATUS_HWREV_MASK 0x00f00000
#define STATUS_CAN_ISF (1 << 11)
#define STATUS_CSTM_ISF (1 << 10)
#define STATUS_FIFO_ISF (1 << 9)
#define STATUS_HOST_ISF (1 << 8)
/* inputs */
#define RESET_IN (1 << 0)
#define CLOCK_IN (1 << 1)
#define IRIGB_R_IN (1 << 5)
/* hostctrl register */
#define HOSTCTRL_PMCRSTOUT_GATE (1 << 17)
#define HOSTCTRL_PMCRSTOUT_FLAG (1 << 16)
#define HOSTCTRL_CSTM1IE_GATE (1 << 7)
#define HOSTCTRL_CSTM1IW_FLAG (1 << 6)
#define HOSTCTRL_CSTM0IE_GATE (1 << 5)
#define HOSTCTRL_CSTM0IW_FLAG (1 << 4)
#define HOSTCTRL_FIFOIE_GATE (1 << 3)
#define HOSTCTRL_FIFOIE_FLAG (1 << 2)
#define HOSTCTRL_HCINT_GATE (1 << 1)
#define HOSTCTRL_HCINT_FLAG (1 << 0)
#define NGCC_CTRL_BASE (CFG_FPGA_BASE0 + 0x80000)
#define NGCC_CTRL_FPGARST_N (1 << 2)
/*-----------------------------------------------------------------------
* FPGA to PPC interrupt
*/
#define IRQ0_FPGA (32+28) /* UIC1 - FPGA internal */
#define IRQ1_FPGA (32+30) /* UIC1 - custom module */
#define IRQ2_FPGA (64+ 3) /* UIC2 - custom module / CAN */
#define IRQ_ETH0 (64+ 4) /* UIC2 */
#define IRQ_ETH1 ( 27) /* UIC0 */
#define IRQ_RTC (64+ 0) /* UIC2 */
#define IRQ_PCIA (64+ 1) /* UIC2 */
#define IRQ_PCIB (32+18) /* UIC1 */
#define IRQ_PCIC (32+19) /* UIC1 */
#define IRQ_PCID (32+20) /* UIC1 */
#endif /* __PMC440_H__ */
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