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Diffstat (limited to 'arch/powerpc/include/asm/ppc405ep.h')
| -rw-r--r-- | arch/powerpc/include/asm/ppc405ep.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc405ep.h b/arch/powerpc/include/asm/ppc405ep.h new file mode 100644 index 0000000..9691604 --- /dev/null +++ b/arch/powerpc/include/asm/ppc405ep.h @@ -0,0 +1,252 @@ +/* + * (C) Copyright 2010 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * 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 _PPC405EP_H_ +#define _PPC405EP_H_ + +#define CONFIG_SDRAM_PPC4xx_IBM_SDRAM /* IBM SDRAM controller */ + +/* Memory mapped register */ +#define CONFIG_SYS_PERIPHERAL_BASE 0xef600000 /* Internal Peripherals */ + +#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_PERIPHERAL_BASE + 0x0300) +#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_PERIPHERAL_BASE + 0x0400) + +#define GPIO0_BASE (CONFIG_SYS_PERIPHERAL_BASE + 0x0700) + +/* DCR */ +#define OCM0_ISCNTL 0x0019 /* OCM I-side control reg */ +#define OCM0_DSARC 0x001a /* OCM D-side address compare */ +#define OCM0_DSCNTL 0x001b /* OCM D-side control */ +#define CPC0_PLLMR0 0x00f0 /* PLL mode register 0 */ +#define CPC0_BOOT 0x00f1 /* Clock status register */ +#define CPC0_CR1 0x00f2 /* Chip Control 1 register */ +#define CPC0_EPCTL 0x00f3 /* EMAC to PHY control register */ +#define CPC0_PLLMR1 0x00f4 /* PLL mode register 1 */ +#define CPC0_UCR 0x00f5 /* UART control register */ +#define CPC0_SRR 0x00f6 /* Soft Reset register */ +#define CPC0_PCI 0x00f9 /* PCI control register */ + +/* Defines for CPC0_EPCTL register */ +#define CPC0_EPCTL_E0NFE 0x80000000 +#define CPC0_EPCTL_E1NFE 0x40000000 + +/* Defines for CPC0_PCI Register */ +#define CPC0_PCI_SPE 0x00000010 /* PCIINT/WE select */ +#define CPC0_PCI_HOST_CFG_EN 0x00000008 /* PCI host config Enable */ +#define CPC0_PCI_ARBIT_EN 0x00000001 /* PCI Internal Arb Enabled */ + +/* Defines for CPC0_BOOR Register */ +#define CPC0_BOOT_SEP 0x00000002 /* serial EEPROM present */ + +/* Bit definitions */ +#define PLLMR0_CPU_DIV_MASK 0x00300000 /* CPU clock divider */ +#define PLLMR0_CPU_DIV_BYPASS 0x00000000 +#define PLLMR0_CPU_DIV_2 0x00100000 +#define PLLMR0_CPU_DIV_3 0x00200000 +#define PLLMR0_CPU_DIV_4 0x00300000 + +#define PLLMR0_CPU_TO_PLB_MASK 0x00030000 /* CPU:PLB Frequency Divisor */ +#define PLLMR0_CPU_PLB_DIV_1 0x00000000 +#define PLLMR0_CPU_PLB_DIV_2 0x00010000 +#define PLLMR0_CPU_PLB_DIV_3 0x00020000 +#define PLLMR0_CPU_PLB_DIV_4 0x00030000 + +#define PLLMR0_OPB_TO_PLB_MASK 0x00003000 /* OPB:PLB Frequency Divisor */ +#define PLLMR0_OPB_PLB_DIV_1 0x00000000 +#define PLLMR0_OPB_PLB_DIV_2 0x00001000 +#define PLLMR0_OPB_PLB_DIV_3 0x00002000 +#define PLLMR0_OPB_PLB_DIV_4 0x00003000 + +#define PLLMR0_EXB_TO_PLB_MASK 0x00000300 /* External Bus:PLB Divisor */ +#define PLLMR0_EXB_PLB_DIV_2 0x00000000 +#define PLLMR0_EXB_PLB_DIV_3 0x00000100 +#define PLLMR0_EXB_PLB_DIV_4 0x00000200 +#define PLLMR0_EXB_PLB_DIV_5 0x00000300 + +#define PLLMR0_MAL_TO_PLB_MASK 0x00000030 /* MAL:PLB Divisor */ +#define PLLMR0_MAL_PLB_DIV_1 0x00000000 +#define PLLMR0_MAL_PLB_DIV_2 0x00000010 +#define PLLMR0_MAL_PLB_DIV_3 0x00000020 +#define PLLMR0_MAL_PLB_DIV_4 0x00000030 + +#define PLLMR0_PCI_TO_PLB_MASK 0x00000003 /* PCI:PLB Frequency Divisor */ +#define PLLMR0_PCI_PLB_DIV_1 0x00000000 +#define PLLMR0_PCI_PLB_DIV_2 0x00000001 +#define PLLMR0_PCI_PLB_DIV_3 0x00000002 +#define PLLMR0_PCI_PLB_DIV_4 0x00000003 + +#define PLLMR1_SSCS_MASK 0x80000000 /* Select system clock source */ +#define PLLMR1_PLLR_MASK 0x40000000 /* PLL reset */ +#define PLLMR1_FBMUL_MASK 0x00F00000 /* PLL feedback multiplier value */ + +#define PLLMR1_FWDVA_MASK 0x00070000 /* PLL forward divider A value */ +#define PLLMR1_FWDVB_MASK 0x00007000 /* PLL forward divider B value */ +#define PLLMR1_TUNING_MASK 0x000003FF /* PLL tune bits */ + +/* Defines for CPC0_PLLMR1 Register fields */ +#define PLL_ACTIVE 0x80000000 +#define CPC0_PLLMR1_SSCS 0x80000000 +#define PLL_RESET 0x40000000 +#define CPC0_PLLMR1_PLLR 0x40000000 +/* Feedback multiplier */ +#define PLL_FBKDIV 0x00F00000 +#define CPC0_PLLMR1_FBDV 0x00F00000 +#define PLL_FBKDIV_16 0x00000000 +#define PLL_FBKDIV_1 0x00100000 +#define PLL_FBKDIV_2 0x00200000 +#define PLL_FBKDIV_3 0x00300000 +#define PLL_FBKDIV_4 0x00400000 +#define PLL_FBKDIV_5 0x00500000 +#define PLL_FBKDIV_6 0x00600000 +#define PLL_FBKDIV_7 0x00700000 +#define PLL_FBKDIV_8 0x00800000 +#define PLL_FBKDIV_9 0x00900000 +#define PLL_FBKDIV_10 0x00A00000 +#define PLL_FBKDIV_11 0x00B00000 +#define PLL_FBKDIV_12 0x00C00000 +#define PLL_FBKDIV_13 0x00D00000 +#define PLL_FBKDIV_14 0x00E00000 +#define PLL_FBKDIV_15 0x00F00000 +/* Forward A divisor */ +#define PLL_FWDDIVA 0x00070000 +#define CPC0_PLLMR1_FWDVA 0x00070000 +#define PLL_FWDDIVA_8 0x00000000 +#define PLL_FWDDIVA_7 0x00010000 +#define PLL_FWDDIVA_6 0x00020000 +#define PLL_FWDDIVA_5 0x00030000 +#define PLL_FWDDIVA_4 0x00040000 +#define PLL_FWDDIVA_3 0x00050000 +#define PLL_FWDDIVA_2 0x00060000 +#define PLL_FWDDIVA_1 0x00070000 +/* Forward B divisor */ +#define PLL_FWDDIVB 0x00007000 +#define CPC0_PLLMR1_FWDVB 0x00007000 +#define PLL_FWDDIVB_8 0x00000000 +#define PLL_FWDDIVB_7 0x00001000 +#define PLL_FWDDIVB_6 0x00002000 +#define PLL_FWDDIVB_5 0x00003000 +#define PLL_FWDDIVB_4 0x00004000 +#define PLL_FWDDIVB_3 0x00005000 +#define PLL_FWDDIVB_2 0x00006000 +#define PLL_FWDDIVB_1 0x00007000 +/* PLL tune bits */ +#define PLL_TUNE_MASK 0x000003FF +#define PLL_TUNE_2_M_3 0x00000133 /* 2 <= M <= 3 */ +#define PLL_TUNE_4_M_6 0x00000134 /* 3 < M <= 6 */ +#define PLL_TUNE_7_M_10 0x00000138 /* 6 < M <= 10 */ +#define PLL_TUNE_11_M_14 0x0000013C /* 10 < M <= 14 */ +#define PLL_TUNE_15_M_40 0x0000023E /* 14 < M <= 40 */ +#define PLL_TUNE_VCO_LOW 0x00000000 /* 500MHz <= VCO <= 800MHz */ +#define PLL_TUNE_VCO_HI 0x00000080 /* 800MHz < VCO <= 1000MHz */ + +/* Defines for CPC0_PLLMR0 Register fields */ +/* CPU divisor */ +#define PLL_CPUDIV 0x00300000 +#define CPC0_PLLMR0_CCDV 0x00300000 +#define PLL_CPUDIV_1 0x00000000 +#define PLL_CPUDIV_2 0x00100000 +#define PLL_CPUDIV_3 0x00200000 +#define PLL_CPUDIV_4 0x00300000 +/* PLB divisor */ +#define PLL_PLBDIV 0x00030000 +#define CPC0_PLLMR0_CBDV 0x00030000 +#define PLL_PLBDIV_1 0x00000000 +#define PLL_PLBDIV_2 0x00010000 +#define PLL_PLBDIV_3 0x00020000 +#define PLL_PLBDIV_4 0x00030000 +/* OPB divisor */ +#define PLL_OPBDIV 0x00003000 +#define CPC0_PLLMR0_OPDV 0x00003000 +#define PLL_OPBDIV_1 0x00000000 +#define PLL_OPBDIV_2 0x00001000 +#define PLL_OPBDIV_3 0x00002000 +#define PLL_OPBDIV_4 0x00003000 +/* EBC divisor */ +#define PLL_EXTBUSDIV 0x00000300 +#define CPC0_PLLMR0_EPDV 0x00000300 +#define PLL_EXTBUSDIV_2 0x00000000 +#define PLL_EXTBUSDIV_3 0x00000100 +#define PLL_EXTBUSDIV_4 0x00000200 +#define PLL_EXTBUSDIV_5 0x00000300 +/* MAL divisor */ +#define PLL_MALDIV 0x00000030 +#define CPC0_PLLMR0_MPDV 0x00000030 +#define PLL_MALDIV_1 0x00000000 +#define PLL_MALDIV_2 0x00000010 +#define PLL_MALDIV_3 0x00000020 +#define PLL_MALDIV_4 0x00000030 +/* PCI divisor */ +#define PLL_PCIDIV 0x00000003 +#define CPC0_PLLMR0_PPFD 0x00000003 +#define PLL_PCIDIV_1 0x00000000 +#define PLL_PCIDIV_2 0x00000001 +#define PLL_PCIDIV_3 0x00000002 +#define PLL_PCIDIV_4 0x00000003 + +/* + * PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI, + * assuming a 33.3MHz input clock to the 405EP. + */ +#define PLLMR0_266_133_66 (PLL_CPUDIV_1 | PLL_PLBDIV_2 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_4) +#define PLLMR1_266_133_66 (PLL_FBKDIV_8 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW) + +#define PLLMR0_133_66_66_33 (PLL_CPUDIV_1 | PLL_PLBDIV_1 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 | \ + PLL_MALDIV_1 | PLL_PCIDIV_4) +#define PLLMR1_133_66_66_33 (PLL_FBKDIV_4 | \ + PLL_FWDDIVA_6 | PLL_FWDDIVB_6 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW) +#define PLLMR0_200_100_50_33 (PLL_CPUDIV_1 | PLL_PLBDIV_2 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_3 | \ + PLL_MALDIV_1 | PLL_PCIDIV_4) +#define PLLMR1_200_100_50_33 (PLL_FBKDIV_6 | \ + PLL_FWDDIVA_4 | PLL_FWDDIVB_4 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW) +#define PLLMR0_266_133_66_33 (PLL_CPUDIV_1 | PLL_PLBDIV_2 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 | \ + PLL_MALDIV_1 | PLL_PCIDIV_4) +#define PLLMR1_266_133_66_33 (PLL_FBKDIV_8 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW) +#define PLLMR0_266_66_33_33 (PLL_CPUDIV_1 | PLL_PLBDIV_4 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_2) +#define PLLMR1_266_66_33_33 (PLL_FBKDIV_8 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW) +#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_3) +#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) +#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_1) +#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) + +#endif /* _PPC405EP_H_ */ |