AT91 SoCs have a memory range reserved for internal bus configuration. Expose those registers so that drivers can make use of the matrix syscon declared in at91 DTs. Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> --- include/linux/mfd/syscon/atmel-matrix.h | 114 ++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 include/linux/mfd/syscon/atmel-matrix.h diff --git a/include/linux/mfd/syscon/atmel-matrix.h b/include/linux/mfd/syscon/atmel-matrix.h new file mode 100644 index 0000000..c3faa18 --- /dev/null +++ b/include/linux/mfd/syscon/atmel-matrix.h @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2007 Atmel Corporation. + * + * Memory Controllers (MATRIX, EBI) - System peripherals registers. + * + * 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. + */ + +#ifndef _LINUX_MFD_SYSCON_ATMEL_MATRIX_H +#define _LINUX_MFD_SYSCON_ATMEL_MATRIX_H + +#define AT91SAM9260_MATRIX_MCFG_OFF 0x00 +#define AT91SAM9260_MATRIX_SCFG_OFF 0x40 +#define AT91SAM9260_MATRIX_PRS_OFF 0x80 +#define AT91SAM9260_MATRIX_MRCR_OFF 0x100 +#define AT91SAM9260_MATRIX_EBICSA_OFF 0x11c + +#define AT91SAM9261_MATRIX_MRCR_OFF 0x0 +#define AT91SAM9261_MATRIX_SCFG_OFF 0x4 +#define AT91SAM9261_MATRIX_TCR_OFF 0x24 +#define AT91SAM9261_MATRIX_EBICSA_OFF 0x30 +#define AT91SAM9261_MATRIX_USBPUCR_OFF 0x34 + +#define AT91SAM9263_MATRIX_MCFG_OFF 0x00 +#define AT91SAM9263_MATRIX_SCFG_OFF 0x40 +#define AT91SAM9263_MATRIX_PRS_OFF 0x80 +#define AT91SAM9263_MATRIX_MRCR_OFF 0x100 +#define AT91SAM9263_MATRIX_TCR_OFF 0x114 +#define AT91SAM9263_MATRIX_EBI0CSA_OFF 0x120 +#define AT91SAM9263_MATRIX_EBI1CSA_OFF 0x124 + +#define AT91SAM9G45_MATRIX_MCFG_OFF 0x00 +#define AT91SAM9G45_MATRIX_SCFG_OFF 0x40 +#define AT91SAM9G45_MATRIX_PRS_OFF 0x80 +#define AT91SAM9G45_MATRIX_MRCR_OFF 0x100 +#define AT91SAM9G45_MATRIX_TCR_OFF 0x110 +#define AT91SAM9G45_MATRIX_DDRMPR_OFF 0x118 +#define AT91SAM9G45_MATRIX_EBICSA_OFF 0x128 + +#define AT91SAM9N12_MATRIX_MCFG_OFF 0x00 +#define AT91SAM9N12_MATRIX_SCFG_OFF 0x40 +#define AT91SAM9N12_MATRIX_PRS_OFF 0x80 +#define AT91SAM9N12_MATRIX_MRCR_OFF 0x100 +#define AT91SAM9N12_MATRIX_EBICSA_OFF 0x118 + +#define AT91SAM9X5_MATRIX_MCFG_OFF 0x00 +#define AT91SAM9X5_MATRIX_SCFG_OFF 0x40 +#define AT91SAM9X5_MATRIX_PRS_OFF 0x80 +#define AT91SAM9X5_MATRIX_MRCR_OFF 0x100 +#define AT91SAM9X5_MATRIX_EBICSA_OFF 0x120 + +#define SAMA5D3_MATRIX_MCFG_OFF 0x00 +#define SAMA5D3_MATRIX_SCFG_OFF 0x40 +#define SAMA5D3_MATRIX_PRS_OFF 0x80 +#define SAMA5D3_MATRIX_MRCR_OFF 0x100 + +#define AT91_MATRIX_MCFG(o, x) ((o) + ((x) * 0x4)) +#define AT91_MATRIX_ULBT (7 << 0) +#define AT91_MATRIX_ULBT_INFINITE (0 << 0) +#define AT91_MATRIX_ULBT_SINGLE (1 << 0) +#define AT91_MATRIX_ULBT_FOUR (2 << 0) +#define AT91_MATRIX_ULBT_EIGHT (3 << 0) +#define AT91_MATRIX_ULBT_SIXTEEN (4 << 0) + +#define AT91_MATRIX_SCFG(o, x) ((o) + ((x) * 0x4)) +#define AT91_MATRIX_SLOT_CYCLE (0xff << 0) +#define AT91_MATRIX_DEFMSTR_TYPE (3 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16) +#define AT91_MATRIX_FIXED_DEFMSTR (7 << 18) +#define AT91_MATRIX_ARBT (3 << 24) +#define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24) +#define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24) + +#define AT91_MATRIX_TCR(o) (o) +#define AT91_MATRIX_ITCM_SIZE (0xf << 0) +#define AT91_MATRIX_ITCM_0 (0 << 0) +#define AT91_MATRIX_ITCM_16 (5 << 0) +#define AT91_MATRIX_ITCM_32 (6 << 0) +#define AT91_MATRIX_ITCM_64 (7 << 0) +#define AT91_MATRIX_DTCM_SIZE (0xf << 4) +#define AT91_MATRIX_DTCM_0 (0 << 4) +#define AT91_MATRIX_DTCM_16 (5 << 4) +#define AT91_MATRIX_DTCM_32 (6 << 4) +#define AT91_MATRIX_DTCM_64 (7 << 4) + +#define AT91_MATRIX_PRAS(o, x) ((o) + ((x) * 0x8)) +#define AT91_MATRIX_PRBS(o, x) ((o) + ((x) * 0x8) + 0x4) +#define AT91_MATRIX_MPR_MSK(x) (3 << ((x) * 0x4)) + +#define AT91_MATRIX_MRC(o) (o) +#define AT91_MATRIX_RCB(x) BIT(x) + +#define AT91_MATRIX_EBICSA(o) (o) +#define AT91_MATRIX_CSA(cs, val) (val << (cs)) +#define AT91_MATRIX_DBPUC BIT(8) +#define AT91_MATRIX_DBPDC BIT(9) +#define AT91_MATRIX_VDDIOMSEL BIT(16) +#define AT91_MATRIX_VDDIOMSEL_1_8V (0 << 16) +#define AT91_MATRIX_VDDIOMSEL_3_3V (1 << 16) +#define AT91_MATRIX_EBI_IOSR BIT(17) +#define AT91_MATRIX_DDR_IOSR BIT(18) +#define AT91_MATRIX_NFD0_SELECT BIT(24) +#define AT91_MATRIX_DDR_MP_EN BIT(25) +#define AT91_MATRIX_EBI_NUM_CS 8 + +#define AT91_MATRIX_WPMR(o) (o) +#define AT91_MATRIX_WPSR(o) (o) + +#endif /* _LINUX_MFD_SYSCON_ATMEL_MATRIX_H */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
