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https://github.com/AsahiLinux/u-boot
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239 lines
8.6 KiB
C
239 lines
8.6 KiB
C
/*
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* (C) Copyright 2010
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _PPC405EP_H_
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#define _PPC405EP_H_
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#define CONFIG_SDRAM_PPC4xx_IBM_SDRAM /* IBM SDRAM controller */
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/* Memory mapped register */
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#define CONFIG_SYS_PERIPHERAL_BASE 0xef600000 /* Internal Peripherals */
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#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_PERIPHERAL_BASE + 0x0300)
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#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_PERIPHERAL_BASE + 0x0400)
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#define GPIO0_BASE (CONFIG_SYS_PERIPHERAL_BASE + 0x0700)
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/* DCR */
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#define OCM0_ISCNTL 0x0019 /* OCM I-side control reg */
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#define OCM0_DSARC 0x001a /* OCM D-side address compare */
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#define OCM0_DSCNTL 0x001b /* OCM D-side control */
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#define CPC0_PLLMR0 0x00f0 /* PLL mode register 0 */
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#define CPC0_BOOT 0x00f1 /* Clock status register */
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#define CPC0_CR1 0x00f2 /* Chip Control 1 register */
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#define CPC0_EPCTL 0x00f3 /* EMAC to PHY control register */
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#define CPC0_PLLMR1 0x00f4 /* PLL mode register 1 */
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#define CPC0_UCR 0x00f5 /* UART control register */
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#define CPC0_SRR 0x00f6 /* Soft Reset register */
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#define CPC0_PCI 0x00f9 /* PCI control register */
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/* Defines for CPC0_EPCTL register */
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#define CPC0_EPCTL_E0NFE 0x80000000
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#define CPC0_EPCTL_E1NFE 0x40000000
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/* Defines for CPC0_PCI Register */
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#define CPC0_PCI_SPE 0x00000010 /* PCIINT/WE select */
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#define CPC0_PCI_HOST_CFG_EN 0x00000008 /* PCI host config Enable */
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#define CPC0_PCI_ARBIT_EN 0x00000001 /* PCI Internal Arb Enabled */
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/* Defines for CPC0_BOOR Register */
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#define CPC0_BOOT_SEP 0x00000002 /* serial EEPROM present */
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/* Bit definitions */
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#define PLLMR0_CPU_DIV_MASK 0x00300000 /* CPU clock divider */
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#define PLLMR0_CPU_DIV_BYPASS 0x00000000
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#define PLLMR0_CPU_DIV_2 0x00100000
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#define PLLMR0_CPU_DIV_3 0x00200000
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#define PLLMR0_CPU_DIV_4 0x00300000
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#define PLLMR0_CPU_TO_PLB_MASK 0x00030000 /* CPU:PLB Frequency Divisor */
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#define PLLMR0_CPU_PLB_DIV_1 0x00000000
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#define PLLMR0_CPU_PLB_DIV_2 0x00010000
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#define PLLMR0_CPU_PLB_DIV_3 0x00020000
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#define PLLMR0_CPU_PLB_DIV_4 0x00030000
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#define PLLMR0_OPB_TO_PLB_MASK 0x00003000 /* OPB:PLB Frequency Divisor */
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#define PLLMR0_OPB_PLB_DIV_1 0x00000000
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#define PLLMR0_OPB_PLB_DIV_2 0x00001000
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#define PLLMR0_OPB_PLB_DIV_3 0x00002000
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#define PLLMR0_OPB_PLB_DIV_4 0x00003000
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#define PLLMR0_EXB_TO_PLB_MASK 0x00000300 /* External Bus:PLB Divisor */
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#define PLLMR0_EXB_PLB_DIV_2 0x00000000
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#define PLLMR0_EXB_PLB_DIV_3 0x00000100
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#define PLLMR0_EXB_PLB_DIV_4 0x00000200
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#define PLLMR0_EXB_PLB_DIV_5 0x00000300
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#define PLLMR0_MAL_TO_PLB_MASK 0x00000030 /* MAL:PLB Divisor */
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#define PLLMR0_MAL_PLB_DIV_1 0x00000000
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#define PLLMR0_MAL_PLB_DIV_2 0x00000010
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#define PLLMR0_MAL_PLB_DIV_3 0x00000020
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#define PLLMR0_MAL_PLB_DIV_4 0x00000030
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#define PLLMR0_PCI_TO_PLB_MASK 0x00000003 /* PCI:PLB Frequency Divisor */
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#define PLLMR0_PCI_PLB_DIV_1 0x00000000
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#define PLLMR0_PCI_PLB_DIV_2 0x00000001
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#define PLLMR0_PCI_PLB_DIV_3 0x00000002
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#define PLLMR0_PCI_PLB_DIV_4 0x00000003
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#define PLLMR1_SSCS_MASK 0x80000000 /* Select system clock source */
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#define PLLMR1_PLLR_MASK 0x40000000 /* PLL reset */
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#define PLLMR1_FBMUL_MASK 0x00F00000 /* PLL feedback multiplier value */
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#define PLLMR1_FWDVA_MASK 0x00070000 /* PLL forward divider A value */
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#define PLLMR1_FWDVB_MASK 0x00007000 /* PLL forward divider B value */
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#define PLLMR1_TUNING_MASK 0x000003FF /* PLL tune bits */
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/* Defines for CPC0_PLLMR1 Register fields */
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#define PLL_ACTIVE 0x80000000
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#define CPC0_PLLMR1_SSCS 0x80000000
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#define PLL_RESET 0x40000000
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#define CPC0_PLLMR1_PLLR 0x40000000
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/* Feedback multiplier */
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#define PLL_FBKDIV 0x00F00000
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#define CPC0_PLLMR1_FBDV 0x00F00000
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#define PLL_FBKDIV_16 0x00000000
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#define PLL_FBKDIV_1 0x00100000
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#define PLL_FBKDIV_2 0x00200000
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#define PLL_FBKDIV_3 0x00300000
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#define PLL_FBKDIV_4 0x00400000
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#define PLL_FBKDIV_5 0x00500000
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#define PLL_FBKDIV_6 0x00600000
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#define PLL_FBKDIV_7 0x00700000
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#define PLL_FBKDIV_8 0x00800000
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#define PLL_FBKDIV_9 0x00900000
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#define PLL_FBKDIV_10 0x00A00000
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#define PLL_FBKDIV_11 0x00B00000
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#define PLL_FBKDIV_12 0x00C00000
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#define PLL_FBKDIV_13 0x00D00000
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#define PLL_FBKDIV_14 0x00E00000
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#define PLL_FBKDIV_15 0x00F00000
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/* Forward A divisor */
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#define PLL_FWDDIVA 0x00070000
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#define CPC0_PLLMR1_FWDVA 0x00070000
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#define PLL_FWDDIVA_8 0x00000000
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#define PLL_FWDDIVA_7 0x00010000
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#define PLL_FWDDIVA_6 0x00020000
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#define PLL_FWDDIVA_5 0x00030000
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#define PLL_FWDDIVA_4 0x00040000
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#define PLL_FWDDIVA_3 0x00050000
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#define PLL_FWDDIVA_2 0x00060000
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#define PLL_FWDDIVA_1 0x00070000
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/* Forward B divisor */
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#define PLL_FWDDIVB 0x00007000
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#define CPC0_PLLMR1_FWDVB 0x00007000
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#define PLL_FWDDIVB_8 0x00000000
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#define PLL_FWDDIVB_7 0x00001000
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#define PLL_FWDDIVB_6 0x00002000
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#define PLL_FWDDIVB_5 0x00003000
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#define PLL_FWDDIVB_4 0x00004000
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#define PLL_FWDDIVB_3 0x00005000
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#define PLL_FWDDIVB_2 0x00006000
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#define PLL_FWDDIVB_1 0x00007000
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/* PLL tune bits */
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#define PLL_TUNE_MASK 0x000003FF
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#define PLL_TUNE_2_M_3 0x00000133 /* 2 <= M <= 3 */
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#define PLL_TUNE_4_M_6 0x00000134 /* 3 < M <= 6 */
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#define PLL_TUNE_7_M_10 0x00000138 /* 6 < M <= 10 */
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#define PLL_TUNE_11_M_14 0x0000013C /* 10 < M <= 14 */
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#define PLL_TUNE_15_M_40 0x0000023E /* 14 < M <= 40 */
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#define PLL_TUNE_VCO_LOW 0x00000000 /* 500MHz <= VCO <= 800MHz */
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#define PLL_TUNE_VCO_HI 0x00000080 /* 800MHz < VCO <= 1000MHz */
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/* Defines for CPC0_PLLMR0 Register fields */
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/* CPU divisor */
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#define PLL_CPUDIV 0x00300000
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#define CPC0_PLLMR0_CCDV 0x00300000
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#define PLL_CPUDIV_1 0x00000000
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#define PLL_CPUDIV_2 0x00100000
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#define PLL_CPUDIV_3 0x00200000
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#define PLL_CPUDIV_4 0x00300000
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/* PLB divisor */
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#define PLL_PLBDIV 0x00030000
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#define CPC0_PLLMR0_CBDV 0x00030000
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#define PLL_PLBDIV_1 0x00000000
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#define PLL_PLBDIV_2 0x00010000
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#define PLL_PLBDIV_3 0x00020000
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#define PLL_PLBDIV_4 0x00030000
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/* OPB divisor */
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#define PLL_OPBDIV 0x00003000
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#define CPC0_PLLMR0_OPDV 0x00003000
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#define PLL_OPBDIV_1 0x00000000
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#define PLL_OPBDIV_2 0x00001000
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#define PLL_OPBDIV_3 0x00002000
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#define PLL_OPBDIV_4 0x00003000
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/* EBC divisor */
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#define PLL_EXTBUSDIV 0x00000300
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#define CPC0_PLLMR0_EPDV 0x00000300
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#define PLL_EXTBUSDIV_2 0x00000000
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#define PLL_EXTBUSDIV_3 0x00000100
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#define PLL_EXTBUSDIV_4 0x00000200
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#define PLL_EXTBUSDIV_5 0x00000300
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/* MAL divisor */
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#define PLL_MALDIV 0x00000030
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#define CPC0_PLLMR0_MPDV 0x00000030
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#define PLL_MALDIV_1 0x00000000
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#define PLL_MALDIV_2 0x00000010
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#define PLL_MALDIV_3 0x00000020
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#define PLL_MALDIV_4 0x00000030
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/* PCI divisor */
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#define PLL_PCIDIV 0x00000003
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#define CPC0_PLLMR0_PPFD 0x00000003
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#define PLL_PCIDIV_1 0x00000000
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#define PLL_PCIDIV_2 0x00000001
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#define PLL_PCIDIV_3 0x00000002
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#define PLL_PCIDIV_4 0x00000003
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/*
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* PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
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* assuming a 33.3MHz input clock to the 405EP.
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*/
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#define PLLMR0_266_133_66 (PLL_CPUDIV_1 | PLL_PLBDIV_2 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
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PLL_MALDIV_1 | PLL_PCIDIV_4)
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#define PLLMR1_266_133_66 (PLL_FBKDIV_8 | \
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PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
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#define PLLMR0_133_66_66_33 (PLL_CPUDIV_1 | PLL_PLBDIV_1 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 | \
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PLL_MALDIV_1 | PLL_PCIDIV_4)
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#define PLLMR1_133_66_66_33 (PLL_FBKDIV_4 | \
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PLL_FWDDIVA_6 | PLL_FWDDIVB_6 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
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#define PLLMR0_200_100_50_33 (PLL_CPUDIV_1 | PLL_PLBDIV_2 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_3 | \
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PLL_MALDIV_1 | PLL_PCIDIV_4)
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#define PLLMR1_200_100_50_33 (PLL_FBKDIV_6 | \
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PLL_FWDDIVA_4 | PLL_FWDDIVB_4 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
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#define PLLMR0_266_133_66_33 (PLL_CPUDIV_1 | PLL_PLBDIV_2 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 | \
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PLL_MALDIV_1 | PLL_PCIDIV_4)
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#define PLLMR1_266_133_66_33 (PLL_FBKDIV_8 | \
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PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
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#define PLLMR0_266_66_33_33 (PLL_CPUDIV_1 | PLL_PLBDIV_4 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
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PLL_MALDIV_1 | PLL_PCIDIV_2)
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#define PLLMR1_266_66_33_33 (PLL_FBKDIV_8 | \
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PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
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#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
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PLL_MALDIV_1 | PLL_PCIDIV_3)
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#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10 | \
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PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
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#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
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PLL_MALDIV_1 | PLL_PCIDIV_1)
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#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10 | \
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PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
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#endif /* _PPC405EP_H_ */
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