diff options
Diffstat (limited to 'arch/powerpc/include/asm/fsl_ifc.h')
| -rw-r--r-- | arch/powerpc/include/asm/fsl_ifc.h | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fsl_ifc.h b/arch/powerpc/include/asm/fsl_ifc.h new file mode 100644 index 0000000000..8faff75033 --- /dev/null +++ b/arch/powerpc/include/asm/fsl_ifc.h @@ -0,0 +1,267 @@ +/* + * Copyright 2010-2011 Freescale Semiconductor, Inc. + * Author: Dipen Dudhat <dipen.dudhat@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __FSL_IFC_H +#define __FSL_IFC_H + +#include <config.h> +#include <common.h> + +/* Big-Endian */ +#define ifc_in32(a) in_be32(a) +#define ifc_out32(a, v) out_be32(a, v) +#define ifc_in16(a) in_be16(a) + +/* + * CSPR - Chip Select Property Register + */ +#define CSPR_BA 0xFFFF0000 +#define CSPR_BA_SHIFT 16 +#define CSPR_PORT_SIZE 0x00000180 +#define CSPR_PORT_SIZE_SHIFT 7 +#define CSPR_PORT_SIZE_8 0x00000080 +#define CSPR_PORT_SIZE_16 0x00000100 +#define CSPR_PORT_SIZE_32 0x00000180 +/* Write Protect */ +#define CSPR_WP 0x00000040 +#define CSPR_WP_SHIFT 6 +#define CSPR_MSEL 0x00000006 +#define CSPR_MSEL_SHIFT 1 +#define CSPR_MSEL_NOR 0x00000000 +#define CSPR_MSEL_NAND 0x00000002 +#define CSPR_MSEL_GPCM 0x00000004 +#define CSPR_V 0x00000001 +#define CSPR_V_SHIFT 0 + +/* Convert an address into the right format for the CSPR Registers */ +#define CSPR_PHYS_ADDR(x) (((uint64_t)x) & 0xffff0000) + +/* + * Address Mask Register + */ +#define IFC_AMASK_MASK 0xFFFF0000 +#define IFC_AMASK_SHIFT 16 +#define IFC_AMASK(n) (IFC_AMASK_MASK << \ + (__ilog2(n) - IFC_AMASK_SHIFT)) + +/* + * Chip Select Option Register IFC_NAND Machine + */ +#define CSOR_NAND_ECC_ENC_EN 0x80000000 +#define CSOR_NAND_ECC_MODE_MASK 0x30000000 +/* 4 bit correction per 520 Byte sector */ +#define CSOR_NAND_ECC_MODE_4 0x00000000 +/* 8 bit correction per 528 Byte sector */ +#define CSOR_NAND_ECC_MODE_8 0x10000000 +#define CSOR_NAND_ECC_DEC_EN 0x04000000 +/* Row Address Length */ +#define CSOR_NAND_RAL_MASK 0x01800000 +#define CSOR_NAND_RAL_SHIFT 20 +#define CSOR_NAND_RAL_1 0x00000000 +#define CSOR_NAND_RAL_2 0x00800000 +#define CSOR_NAND_RAL_3 0x01000000 +#define CSOR_NAND_RAL_4 0x01800000 +/* Page Size 512b, 2k, 4k */ +#define CSOR_NAND_PGS_MASK 0x00180000 +#define CSOR_NAND_PGS_SHIFT 16 +#define CSOR_NAND_PGS_512 0x00000000 +#define CSOR_NAND_PGS_2K 0x00080000 +#define CSOR_NAND_PGS_4K 0x00100000 +#define CSOR_NAND_PGS_8K 0x00180000 +/* Spare region Size */ +#define CSOR_NAND_SPRZ_MASK 0x0000E000 +#define CSOR_NAND_SPRZ_SHIFT 13 +#define CSOR_NAND_SPRZ_16 0x00000000 +#define CSOR_NAND_SPRZ_64 0x00002000 +#define CSOR_NAND_SPRZ_128 0x00004000 +#define CSOR_NAND_SPRZ_210 0x00006000 +#define CSOR_NAND_SPRZ_218 0x00008000 +#define CSOR_NAND_SPRZ_224 0x0000A000 +#define CSOR_NAND_SPRZ_CSOR_EXT 0x0000C000 +/* Pages Per Block */ +#define CSOR_NAND_PB_MASK 0x00000700 +#define CSOR_NAND_PB_SHIFT 8 +#define CSOR_NAND_PB(n) ((__ilog2(n) - 5) << CSOR_NAND_PB_SHIFT) +/* Time for Read Enable High to Output High Impedance */ +#define CSOR_NAND_TRHZ_MASK 0x0000001C +#define CSOR_NAND_TRHZ_SHIFT 2 +#define CSOR_NAND_TRHZ_20 0x00000000 +#define CSOR_NAND_TRHZ_40 0x00000004 +#define CSOR_NAND_TRHZ_60 0x00000008 +#define CSOR_NAND_TRHZ_80 0x0000000C +#define CSOR_NAND_TRHZ_100 0x00000010 +/* Buffer control disable */ +#define CSOR_NAND_BCTLD 0x00000001 + +/* + * Chip Select Option Register - NOR Flash Mode + */ +/* Enable Address shift Mode */ +#define CSOR_NOR_ADM_SHFT_MODE_EN 0x80000000 +/* Page Read Enable from NOR device */ +#define CSOR_NOR_PGRD_EN 0x10000000 +/* AVD Toggle Enable during Burst Program */ +#define CSOR_NOR_AVD_TGL_PGM_EN 0x01000000 +/* Address Data Multiplexing Shift */ +#define CSOR_NOR_ADM_MASK 0x0003E000 +#define CSOR_NOR_ADM_SHIFT_SHIFT 13 +#define CSOR_NOR_ADM_SHIFT(n) ((n) << CSOR_NOR_ADM_SHIFT_SHIFT) +/* Type of the NOR device hooked */ +#define CSOR_NOR_NOR_MODE_AYSNC_NOR 0x00000000 +#define CSOR_NOR_NOR_MODE_AVD_NOR 0x00000020 +/* Time for Read Enable High to Output High Impedance */ +#define CSOR_NOR_TRHZ_MASK 0x0000001C +#define CSOR_NOR_TRHZ_SHIFT 2 +#define CSOR_NOR_TRHZ_20 0x00000000 +#define CSOR_NOR_TRHZ_40 0x00000004 +#define CSOR_NOR_TRHZ_60 0x00000008 +#define CSOR_NOR_TRHZ_80 0x0000000C +#define CSOR_NOR_TRHZ_100 0x00000010 +/* Buffer control disable */ +#define CSOR_NOR_BCTLD 0x00000001 + +/* + * Flash Timing Registers (FTIM0 - FTIM2_CSn) + */ + +/* + * FTIM0 - NOR Flash Mode + */ +#define FTIM0_NOR 0xF03F3F3F +#define FTIM0_NOR_TACSE_SHIFT 28 +#define FTIM0_NOR_TACSE(n) ((n) << FTIM0_NOR_TACSE_SHIFT) +#define FTIM0_NOR_TEADC_SHIFT 16 +#define FTIM0_NOR_TEADC(n) ((n) << FTIM0_NOR_TEADC_SHIFT) +#define FTIM0_NOR_TAVDS_SHIFT 8 +#define FTIM0_NOR_TAVDS(n) ((n) << FTIM0_NOR_TAVDS_SHIFT) +#define FTIM0_NOR_TEAHC_SHIFT 0 +#define FTIM0_NOR_TEAHC(n) ((n) << FTIM0_NOR_TEAHC_SHIFT) +/* + * FTIM1 - NOR Flash Mode + */ +#define FTIM1_NOR 0xFF003F3F +#define FTIM1_NOR_TACO_SHIFT 24 +#define FTIM1_NOR_TACO(n) ((n) << FTIM1_NOR_TACO_SHIFT) +#define FTIM1_NOR_TRAD_NOR_SHIFT 8 +#define FTIM1_NOR_TRAD_NOR(n) ((n) << FTIM1_NOR_TRAD_NOR_SHIFT) +#define FTIM1_NOR_TSEQRAD_NOR_SHIFT 0 +#define FTIM1_NOR_TSEQRAD_NOR(n) ((n) << FTIM1_NOR_TSEQRAD_NOR_SHIFT) +/* + * FTIM2 - NOR Flash Mode + */ +#define FTIM2_NOR 0x0F3CFCFF +#define FTIM2_NOR_TCS_SHIFT 24 +#define FTIM2_NOR_TCS(n) ((n) << FTIM2_NOR_TCS_SHIFT) +#define FTIM2_NOR_TCH_SHIFT 18 +#define FTIM2_NOR_TCH(n) ((n) << FTIM2_NOR_TCH_SHIFT) +#define FTIM2_NOR_TWPH_SHIFT 10 +#define FTIM2_NOR_TWPH(n) ((n) << FTIM2_NOR_TWPH_SHIFT) +#define FTIM2_NOR_TWP_SHIFT 0 +#define FTIM2_NOR_TWP(n) ((n) << FTIM2_NOR_TWP_SHIFT) + +/* + * FTIM0 - Normal GPCM Mode + */ +#define FTIM0_GPCM 0xF03F3F3F +#define FTIM0_GPCM_TACSE_SHIFT 28 +#define FTIM0_GPCM_TACSE(n) ((n) << FTIM0_GPCM_TACSE_SHIFT) +#define FTIM0_GPCM_TEADC_SHIFT 16 +#define FTIM0_GPCM_TEADC(n) ((n) << FTIM0_GPCM_TEADC_SHIFT) +#define FTIM0_GPCM_TAVDS_SHIFT 8 +#define FTIM0_GPCM_TAVDS(n) ((n) << FTIM0_GPCM_TAVDS_SHIFT) +#define FTIM0_GPCM_TEAHC_SHIFT 0 +#define FTIM0_GPCM_TEAHC(n) ((n) << FTIM0_GPCM_TEAHC_SHIFT) +/* + * FTIM1 - Normal GPCM Mode + */ +#define FTIM1_GPCM 0xFF003F00 +#define FTIM1_GPCM_TACO_SHIFT 24 +#define FTIM1_GPCM_TACO(n) ((n) << FTIM1_GPCM_TACO_SHIFT) +#define FTIM1_GPCM_TRAD_SHIFT 8 +#define FTIM1_GPCM_TRAD(n) ((n) << FTIM1_GPCM_TRAD_SHIFT) +/* + * FTIM2 - Normal GPCM Mode + */ +#define FTIM2_GPCM 0x0F3C00FF +#define FTIM2_GPCM_TCS_SHIFT 24 +#define FTIM2_GPCM_TCS(n) ((n) << FTIM2_GPCM_TCS_SHIFT) +#define FTIM2_GPCM_TCH_SHIFT 18 +#define FTIM2_GPCM_TCH(n) ((n) << FTIM2_GPCM_TCH_SHIFT) +#define FTIM2_GPCM_TWP_SHIFT 0 +#define FTIM2_GPCM_TWP(n) ((n) << FTIM2_GPCM_TWP_SHIFT) + +/* + * General Control Register (GCR) + */ +#define IFC_GCR_MASK 0x8000F800 +/* reset all IFC hardware */ +#define IFC_GCR_SOFT_RST_ALL 0x80000000 +/* Turnaroud Time of external buffer */ +#define IFC_GCR_TBCTL_TRN_TIME 0x0000F800 +#define IFC_GCR_TBCTL_TRN_TIME_SHIFT 11 + +/* + * Clock Control Register (CCR) + */ +#define IFC_CCR_MASK 0x0F0F8800 +/* Clock division ratio */ +#define IFC_CCR_CLK_DIV_MASK 0x0F000000 +#define IFC_CCR_CLK_DIV_SHIFT 24 +#define IFC_CCR_CLK_DIV(n) ((n-1) << IFC_CCR_CLK_DIV_SHIFT) +/* IFC Clock Delay */ +#define IFC_CCR_CLK_DLY_MASK 0x000F0000 +#define IFC_CCR_CLK_DLY_SHIFT 16 +#define IFC_CCR_CLK_DLY(n) ((n) << IFC_CCR_CLK_DLY_SHIFT) + +#ifndef __ASSEMBLY__ +#include <asm/io.h> + +#define IFC_BASE_ADDR ((void __iomem *)IFC_ADDR) +#define FSL_IFC_CSPRX(i) (0x10 + ((i) * 0xc)) +#define FSL_IFC_CSORX(i) (0x130 + ((i) * 0xc)) +#define FSL_IFC_AMASKX(i) (0xa0 + ((i) * 0xc)) +#define FSL_IFC_CSX_FTIMY(i, j) ((0x1c0 + ((i) * 0x30)) + ((j) * 4)) + +#define get_ifc_cspr(i) (ifc_in32(IFC_BASE_ADDR + FSL_IFC_CSPRX(i))) +#define get_ifc_csor(i) (ifc_in32(IFC_BASE_ADDR + FSL_IFC_CSORX(i)) +#define get_ifc_amask(i) (ifc_in32(IFC_BASE_ADDR + FSL_IFC_AMASKX(i))) +#define get_ifc_ftim(i, j) (ifc_in32(IFC_BASE_ADDR + FSL_IFC_CSX_FTIMY(i, j))) + +#define set_ifc_cspr(i, v) (ifc_out32(IFC_BASE_ADDR + FSL_IFC_CSPRX(i), v)) +#define set_ifc_csor(i, v) (ifc_out32(IFC_BASE_ADDR + FSL_IFC_CSORX(i), v)) +#define set_ifc_amask(i, v) (ifc_out32(IFC_BASE_ADDR + FSL_IFC_AMASKX(i), v)) +#define set_ifc_ftim(i, j, v) \ + (ifc_out32(IFC_BASE_ADDR + FSL_IFC_CSX_FTIMY(i, j), v)) + +#define FSL_IFC_GCR_OFFSET 0x40c +#define FSL_IFC_CCR_OFFSET 0x44c + +enum ifc_chip_sel { + IFC_CS0, + IFC_CS1, + IFC_CS2, + IFC_CS3, + IFC_CS4, + IFC_CS5, + IFC_CS6, + IFC_CS7, +}; + +enum ifc_ftims { + IFC_FTIM0, + IFC_FTIM1, + IFC_FTIM2, + IFC_FTIM3, +}; + +#ifdef CONFIG_FSL_ERRATUM_IFC_A002769 +#undef CSPR_MSEL_NOR +#define CSPR_MSEL_NOR CSPR_MSEL_GPCM +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __FSL_IFC_H */ |