462 lines
14 KiB
C
462 lines
14 KiB
C
/*
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* include/asm-ppc/mpc52xx.h
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*
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* Prototypes, etc. for the Freescale MPC52xx embedded cpu chips
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* May need to be cleaned as the port goes on ...
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*
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*
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* Maintainer : Sylvain Munaut <tnt@246tNt.com>
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*
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* Originally written by Dale Farnsworth <dfarnsworth@mvista.com>
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* for the 2.4 kernel.
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*
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* Copyright (C) 2004-2005 Sylvain Munaut <tnt@246tNt.com>
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* Copyright (C) 2003 MontaVista, Software, Inc.
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef __ASM_MPC52xx_H__
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#define __ASM_MPC52xx_H__
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#ifndef __ASSEMBLY__
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#include <asm/ppcboot.h>
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#include <asm/types.h>
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struct pt_regs;
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#endif /* __ASSEMBLY__ */
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#ifdef CONFIG_PCI
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#define _IO_BASE isa_io_base
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#define _ISA_MEM_BASE isa_mem_base
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#define PCI_DRAM_OFFSET pci_dram_offset
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#else
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#define _IO_BASE 0
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#define _ISA_MEM_BASE 0
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#define PCI_DRAM_OFFSET 0
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#endif
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/* ======================================================================== */
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/* PPC Sys devices definition */
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/* ======================================================================== */
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enum ppc_sys_devices {
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MPC52xx_MSCAN1,
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MPC52xx_MSCAN2,
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MPC52xx_SPI,
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MPC52xx_USB,
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MPC52xx_BDLC,
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MPC52xx_PSC1,
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MPC52xx_PSC2,
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MPC52xx_PSC3,
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MPC52xx_PSC4,
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MPC52xx_PSC5,
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MPC52xx_PSC6,
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MPC52xx_FEC,
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MPC52xx_ATA,
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MPC52xx_I2C1,
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MPC52xx_I2C2,
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NUM_PPC_SYS_DEVS,
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};
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/* ======================================================================== */
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/* Main registers/struct addresses */
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/* ======================================================================== */
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/* MBAR position */
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#define MPC52xx_MBAR 0xf0000000 /* Phys address */
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#define MPC52xx_MBAR_VIRT 0xf0000000 /* Virt address */
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#define MPC52xx_MBAR_SIZE 0x00010000
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#define MPC52xx_PA(x) ((phys_addr_t)(MPC52xx_MBAR + (x)))
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#define MPC52xx_VA(x) ((void __iomem *)(MPC52xx_MBAR_VIRT + (x)))
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/* Registers zone offset/size */
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#define MPC52xx_MMAP_CTL_OFFSET 0x0000
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#define MPC52xx_MMAP_CTL_SIZE 0x068
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#define MPC52xx_SDRAM_OFFSET 0x0100
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#define MPC52xx_SDRAM_SIZE 0x010
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#define MPC52xx_CDM_OFFSET 0x0200
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#define MPC52xx_CDM_SIZE 0x038
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#define MPC52xx_INTR_OFFSET 0x0500
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#define MPC52xx_INTR_SIZE 0x04c
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#define MPC52xx_GPTx_OFFSET(x) (0x0600 + ((x)<<4))
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#define MPC52xx_GPT_SIZE 0x010
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#define MPC52xx_RTC_OFFSET 0x0800
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#define MPC52xx_RTC_SIZE 0x024
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#define MPC52xx_GPIO_OFFSET 0x0b00
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#define MPC52xx_GPIO_SIZE 0x040
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#define MPC52xx_GPIO_WKUP_OFFSET 0x0c00
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#define MPC52xx_GPIO_WKUP_SIZE 0x028
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#define MPC52xx_PCI_OFFSET 0x0d00
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#define MPC52xx_PCI_SIZE 0x100
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#define MPC52xx_SDMA_OFFSET 0x1200
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#define MPC52xx_SDMA_SIZE 0x100
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#define MPC52xx_XLB_OFFSET 0x1f00
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#define MPC52xx_XLB_SIZE 0x100
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#define MPC52xx_PSCx_OFFSET(x) (((x)!=6)?(0x1e00+((x)<<9)):0x2c00)
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#define MPC52xx_PSC_SIZE 0x0a0
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/* SRAM used for SDMA */
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#define MPC52xx_SRAM_OFFSET 0x8000
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#define MPC52xx_SRAM_SIZE 0x4000
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/* ======================================================================== */
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/* IRQ mapping */
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/* ======================================================================== */
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/* Be sure to look at mpc52xx_pic.h if you wish for whatever reason to change
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* this
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*/
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#define MPC52xx_CRIT_IRQ_NUM 4
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#define MPC52xx_MAIN_IRQ_NUM 17
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#define MPC52xx_SDMA_IRQ_NUM 17
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#define MPC52xx_PERP_IRQ_NUM 23
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#define MPC52xx_CRIT_IRQ_BASE 1
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#define MPC52xx_MAIN_IRQ_BASE (MPC52xx_CRIT_IRQ_BASE + MPC52xx_CRIT_IRQ_NUM)
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#define MPC52xx_SDMA_IRQ_BASE (MPC52xx_MAIN_IRQ_BASE + MPC52xx_MAIN_IRQ_NUM)
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#define MPC52xx_PERP_IRQ_BASE (MPC52xx_SDMA_IRQ_BASE + MPC52xx_SDMA_IRQ_NUM)
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#define MPC52xx_IRQ0 (MPC52xx_CRIT_IRQ_BASE + 0)
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#define MPC52xx_SLICE_TIMER_0_IRQ (MPC52xx_CRIT_IRQ_BASE + 1)
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#define MPC52xx_HI_INT_IRQ (MPC52xx_CRIT_IRQ_BASE + 2)
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#define MPC52xx_CCS_IRQ (MPC52xx_CRIT_IRQ_BASE + 3)
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#define MPC52xx_IRQ1 (MPC52xx_MAIN_IRQ_BASE + 1)
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#define MPC52xx_IRQ2 (MPC52xx_MAIN_IRQ_BASE + 2)
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#define MPC52xx_IRQ3 (MPC52xx_MAIN_IRQ_BASE + 3)
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#define MPC52xx_SDMA_IRQ (MPC52xx_PERP_IRQ_BASE + 0)
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#define MPC52xx_PSC1_IRQ (MPC52xx_PERP_IRQ_BASE + 1)
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#define MPC52xx_PSC2_IRQ (MPC52xx_PERP_IRQ_BASE + 2)
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#define MPC52xx_PSC3_IRQ (MPC52xx_PERP_IRQ_BASE + 3)
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#define MPC52xx_PSC6_IRQ (MPC52xx_PERP_IRQ_BASE + 4)
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#define MPC52xx_IRDA_IRQ (MPC52xx_PERP_IRQ_BASE + 4)
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#define MPC52xx_FEC_IRQ (MPC52xx_PERP_IRQ_BASE + 5)
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#define MPC52xx_USB_IRQ (MPC52xx_PERP_IRQ_BASE + 6)
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#define MPC52xx_ATA_IRQ (MPC52xx_PERP_IRQ_BASE + 7)
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#define MPC52xx_PCI_CNTRL_IRQ (MPC52xx_PERP_IRQ_BASE + 8)
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#define MPC52xx_PCI_SCIRX_IRQ (MPC52xx_PERP_IRQ_BASE + 9)
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#define MPC52xx_PCI_SCITX_IRQ (MPC52xx_PERP_IRQ_BASE + 10)
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#define MPC52xx_PSC4_IRQ (MPC52xx_PERP_IRQ_BASE + 11)
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#define MPC52xx_PSC5_IRQ (MPC52xx_PERP_IRQ_BASE + 12)
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#define MPC52xx_SPI_MODF_IRQ (MPC52xx_PERP_IRQ_BASE + 13)
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#define MPC52xx_SPI_SPIF_IRQ (MPC52xx_PERP_IRQ_BASE + 14)
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#define MPC52xx_I2C1_IRQ (MPC52xx_PERP_IRQ_BASE + 15)
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#define MPC52xx_I2C2_IRQ (MPC52xx_PERP_IRQ_BASE + 16)
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#define MPC52xx_MSCAN1_IRQ (MPC52xx_PERP_IRQ_BASE + 17)
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#define MPC52xx_MSCAN2_IRQ (MPC52xx_PERP_IRQ_BASE + 18)
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#define MPC52xx_IR_RX_IRQ (MPC52xx_PERP_IRQ_BASE + 19)
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#define MPC52xx_IR_TX_IRQ (MPC52xx_PERP_IRQ_BASE + 20)
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#define MPC52xx_XLB_ARB_IRQ (MPC52xx_PERP_IRQ_BASE + 21)
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#define MPC52xx_BDLC_IRQ (MPC52xx_PERP_IRQ_BASE + 22)
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/* ======================================================================== */
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/* Structures mapping of some unit register set */
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/* ======================================================================== */
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#ifndef __ASSEMBLY__
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/* Memory Mapping Control */
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struct mpc52xx_mmap_ctl {
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u32 mbar; /* MMAP_CTRL + 0x00 */
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u32 cs0_start; /* MMAP_CTRL + 0x04 */
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u32 cs0_stop; /* MMAP_CTRL + 0x08 */
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u32 cs1_start; /* MMAP_CTRL + 0x0c */
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u32 cs1_stop; /* MMAP_CTRL + 0x10 */
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u32 cs2_start; /* MMAP_CTRL + 0x14 */
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u32 cs2_stop; /* MMAP_CTRL + 0x18 */
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u32 cs3_start; /* MMAP_CTRL + 0x1c */
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u32 cs3_stop; /* MMAP_CTRL + 0x20 */
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u32 cs4_start; /* MMAP_CTRL + 0x24 */
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u32 cs4_stop; /* MMAP_CTRL + 0x28 */
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u32 cs5_start; /* MMAP_CTRL + 0x2c */
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u32 cs5_stop; /* MMAP_CTRL + 0x30 */
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u32 sdram0; /* MMAP_CTRL + 0x34 */
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u32 sdram1; /* MMAP_CTRL + 0X38 */
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u32 reserved[4]; /* MMAP_CTRL + 0x3c .. 0x48 */
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u32 boot_start; /* MMAP_CTRL + 0x4c */
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u32 boot_stop; /* MMAP_CTRL + 0x50 */
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u32 ipbi_ws_ctrl; /* MMAP_CTRL + 0x54 */
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u32 cs6_start; /* MMAP_CTRL + 0x58 */
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u32 cs6_stop; /* MMAP_CTRL + 0x5c */
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u32 cs7_start; /* MMAP_CTRL + 0x60 */
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u32 cs7_stop; /* MMAP_CTRL + 0x64 */
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};
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/* SDRAM control */
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struct mpc52xx_sdram {
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u32 mode; /* SDRAM + 0x00 */
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u32 ctrl; /* SDRAM + 0x04 */
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u32 config1; /* SDRAM + 0x08 */
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u32 config2; /* SDRAM + 0x0c */
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};
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/* Interrupt controller */
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struct mpc52xx_intr {
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u32 per_mask; /* INTR + 0x00 */
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u32 per_pri1; /* INTR + 0x04 */
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u32 per_pri2; /* INTR + 0x08 */
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u32 per_pri3; /* INTR + 0x0c */
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u32 ctrl; /* INTR + 0x10 */
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u32 main_mask; /* INTR + 0x14 */
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u32 main_pri1; /* INTR + 0x18 */
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u32 main_pri2; /* INTR + 0x1c */
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u32 reserved1; /* INTR + 0x20 */
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u32 enc_status; /* INTR + 0x24 */
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u32 crit_status; /* INTR + 0x28 */
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u32 main_status; /* INTR + 0x2c */
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u32 per_status; /* INTR + 0x30 */
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u32 reserved2; /* INTR + 0x34 */
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u32 per_error; /* INTR + 0x38 */
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};
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/* SDMA */
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struct mpc52xx_sdma {
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u32 taskBar; /* SDMA + 0x00 */
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u32 currentPointer; /* SDMA + 0x04 */
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u32 endPointer; /* SDMA + 0x08 */
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u32 variablePointer;/* SDMA + 0x0c */
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u8 IntVect1; /* SDMA + 0x10 */
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u8 IntVect2; /* SDMA + 0x11 */
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u16 PtdCntrl; /* SDMA + 0x12 */
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u32 IntPend; /* SDMA + 0x14 */
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u32 IntMask; /* SDMA + 0x18 */
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u16 tcr[16]; /* SDMA + 0x1c .. 0x3a */
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u8 ipr[32]; /* SDMA + 0x3c .. 0x5b */
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u32 cReqSelect; /* SDMA + 0x5c */
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u32 task_size0; /* SDMA + 0x60 */
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u32 task_size1; /* SDMA + 0x64 */
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u32 MDEDebug; /* SDMA + 0x68 */
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u32 ADSDebug; /* SDMA + 0x6c */
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u32 Value1; /* SDMA + 0x70 */
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u32 Value2; /* SDMA + 0x74 */
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u32 Control; /* SDMA + 0x78 */
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u32 Status; /* SDMA + 0x7c */
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u32 PTDDebug; /* SDMA + 0x80 */
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};
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/* GPT */
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struct mpc52xx_gpt {
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u32 mode; /* GPTx + 0x00 */
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u32 count; /* GPTx + 0x04 */
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u32 pwm; /* GPTx + 0x08 */
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u32 status; /* GPTx + 0X0c */
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};
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/* RTC */
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struct mpc52xx_rtc {
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u32 time_set; /* RTC + 0x00 */
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u32 date_set; /* RTC + 0x04 */
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u32 stopwatch; /* RTC + 0x08 */
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u32 int_enable; /* RTC + 0x0c */
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u32 time; /* RTC + 0x10 */
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u32 date; /* RTC + 0x14 */
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u32 stopwatch_intr; /* RTC + 0x18 */
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u32 bus_error; /* RTC + 0x1c */
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u32 dividers; /* RTC + 0x20 */
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};
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/* GPIO */
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struct mpc52xx_gpio {
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u32 port_config; /* GPIO + 0x00 */
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u32 simple_gpioe; /* GPIO + 0x04 */
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u32 simple_ode; /* GPIO + 0x08 */
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u32 simple_ddr; /* GPIO + 0x0c */
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u32 simple_dvo; /* GPIO + 0x10 */
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u32 simple_ival; /* GPIO + 0x14 */
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u8 outo_gpioe; /* GPIO + 0x18 */
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u8 reserved1[3]; /* GPIO + 0x19 */
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u8 outo_dvo; /* GPIO + 0x1c */
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u8 reserved2[3]; /* GPIO + 0x1d */
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u8 sint_gpioe; /* GPIO + 0x20 */
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u8 reserved3[3]; /* GPIO + 0x21 */
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u8 sint_ode; /* GPIO + 0x24 */
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u8 reserved4[3]; /* GPIO + 0x25 */
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u8 sint_ddr; /* GPIO + 0x28 */
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u8 reserved5[3]; /* GPIO + 0x29 */
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u8 sint_dvo; /* GPIO + 0x2c */
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u8 reserved6[3]; /* GPIO + 0x2d */
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u8 sint_inten; /* GPIO + 0x30 */
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u8 reserved7[3]; /* GPIO + 0x31 */
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u16 sint_itype; /* GPIO + 0x34 */
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u16 reserved8; /* GPIO + 0x36 */
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u8 gpio_control; /* GPIO + 0x38 */
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u8 reserved9[3]; /* GPIO + 0x39 */
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u8 sint_istat; /* GPIO + 0x3c */
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u8 sint_ival; /* GPIO + 0x3d */
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u8 bus_errs; /* GPIO + 0x3e */
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u8 reserved10; /* GPIO + 0x3f */
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};
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#define MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD 4
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#define MPC52xx_GPIO_PSC_CONFIG_UART_WITH_CD 5
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#define MPC52xx_GPIO_PCI_DIS (1<<15)
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/* GPIO with WakeUp*/
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struct mpc52xx_gpio_wkup {
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u8 wkup_gpioe; /* GPIO_WKUP + 0x00 */
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u8 reserved1[3]; /* GPIO_WKUP + 0x03 */
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u8 wkup_ode; /* GPIO_WKUP + 0x04 */
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u8 reserved2[3]; /* GPIO_WKUP + 0x05 */
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u8 wkup_ddr; /* GPIO_WKUP + 0x08 */
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u8 reserved3[3]; /* GPIO_WKUP + 0x09 */
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u8 wkup_dvo; /* GPIO_WKUP + 0x0C */
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u8 reserved4[3]; /* GPIO_WKUP + 0x0D */
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u8 wkup_inten; /* GPIO_WKUP + 0x10 */
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u8 reserved5[3]; /* GPIO_WKUP + 0x11 */
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u8 wkup_iinten; /* GPIO_WKUP + 0x14 */
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u8 reserved6[3]; /* GPIO_WKUP + 0x15 */
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u16 wkup_itype; /* GPIO_WKUP + 0x18 */
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u8 reserved7[2]; /* GPIO_WKUP + 0x1A */
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u8 wkup_maste; /* GPIO_WKUP + 0x1C */
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u8 reserved8[3]; /* GPIO_WKUP + 0x1D */
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u8 wkup_ival; /* GPIO_WKUP + 0x20 */
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u8 reserved9[3]; /* GPIO_WKUP + 0x21 */
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u8 wkup_istat; /* GPIO_WKUP + 0x24 */
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u8 reserved10[3]; /* GPIO_WKUP + 0x25 */
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};
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/* XLB Bus control */
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struct mpc52xx_xlb {
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u8 reserved[0x40];
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u32 config; /* XLB + 0x40 */
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u32 version; /* XLB + 0x44 */
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u32 status; /* XLB + 0x48 */
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u32 int_enable; /* XLB + 0x4c */
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u32 addr_capture; /* XLB + 0x50 */
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u32 bus_sig_capture; /* XLB + 0x54 */
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u32 addr_timeout; /* XLB + 0x58 */
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u32 data_timeout; /* XLB + 0x5c */
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u32 bus_act_timeout; /* XLB + 0x60 */
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u32 master_pri_enable; /* XLB + 0x64 */
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u32 master_priority; /* XLB + 0x68 */
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u32 base_address; /* XLB + 0x6c */
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u32 snoop_window; /* XLB + 0x70 */
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};
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#define MPC52xx_XLB_CFG_PLDIS (1 << 31)
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#define MPC52xx_XLB_CFG_SNOOP (1 << 15)
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/* Clock Distribution control */
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struct mpc52xx_cdm {
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u32 jtag_id; /* CDM + 0x00 reg0 read only */
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u32 rstcfg; /* CDM + 0x04 reg1 read only */
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u32 breadcrumb; /* CDM + 0x08 reg2 */
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u8 mem_clk_sel; /* CDM + 0x0c reg3 byte0 */
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u8 xlb_clk_sel; /* CDM + 0x0d reg3 byte1 read only */
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u8 ipb_clk_sel; /* CDM + 0x0e reg3 byte2 */
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u8 pci_clk_sel; /* CDM + 0x0f reg3 byte3 */
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u8 ext_48mhz_en; /* CDM + 0x10 reg4 byte0 */
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u8 fd_enable; /* CDM + 0x11 reg4 byte1 */
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u16 fd_counters; /* CDM + 0x12 reg4 byte2,3 */
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u32 clk_enables; /* CDM + 0x14 reg5 */
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u8 osc_disable; /* CDM + 0x18 reg6 byte0 */
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u8 reserved0[3]; /* CDM + 0x19 reg6 byte1,2,3 */
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u8 ccs_sleep_enable; /* CDM + 0x1c reg7 byte0 */
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u8 osc_sleep_enable; /* CDM + 0x1d reg7 byte1 */
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u8 reserved1; /* CDM + 0x1e reg7 byte2 */
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u8 ccs_qreq_test; /* CDM + 0x1f reg7 byte3 */
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u8 soft_reset; /* CDM + 0x20 u8 byte0 */
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u8 no_ckstp; /* CDM + 0x21 u8 byte0 */
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u8 reserved2[2]; /* CDM + 0x22 u8 byte1,2,3 */
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u8 pll_lock; /* CDM + 0x24 reg9 byte0 */
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u8 pll_looselock; /* CDM + 0x25 reg9 byte1 */
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u8 pll_sm_lockwin; /* CDM + 0x26 reg9 byte2 */
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u8 reserved3; /* CDM + 0x27 reg9 byte3 */
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u16 reserved4; /* CDM + 0x28 reg10 byte0,1 */
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u16 mclken_div_psc1; /* CDM + 0x2a reg10 byte2,3 */
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u16 reserved5; /* CDM + 0x2c reg11 byte0,1 */
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u16 mclken_div_psc2; /* CDM + 0x2e reg11 byte2,3 */
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u16 reserved6; /* CDM + 0x30 reg12 byte0,1 */
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u16 mclken_div_psc3; /* CDM + 0x32 reg12 byte2,3 */
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u16 reserved7; /* CDM + 0x34 reg13 byte0,1 */
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u16 mclken_div_psc6; /* CDM + 0x36 reg13 byte2,3 */
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};
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#endif /* __ASSEMBLY__ */
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|
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/* ========================================================================= */
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/* Prototypes for MPC52xx syslib */
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|
/* ========================================================================= */
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|
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#ifndef __ASSEMBLY__
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|
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extern void mpc52xx_init_irq(void);
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extern int mpc52xx_get_irq(struct pt_regs *regs);
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|
|
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extern unsigned long mpc52xx_find_end_of_memory(void);
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|
extern void mpc52xx_set_bat(void);
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|
extern void mpc52xx_map_io(void);
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|
extern void mpc52xx_restart(char *cmd);
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|
extern void mpc52xx_halt(void);
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|
extern void mpc52xx_power_off(void);
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|
extern void mpc52xx_progress(char *s, unsigned short hex);
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|
extern void mpc52xx_calibrate_decr(void);
|
|
|
|
extern void mpc52xx_find_bridges(void);
|
|
|
|
extern void mpc52xx_setup_cpu(void);
|
|
|
|
|
|
|
|
/* Matching of PSC function */
|
|
struct mpc52xx_psc_func {
|
|
int id;
|
|
char *func;
|
|
};
|
|
|
|
extern int mpc52xx_match_psc_function(int psc_idx, const char *func);
|
|
extern struct mpc52xx_psc_func mpc52xx_psc_functions[];
|
|
/* This array is to be defined in platform file */
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
|
|
/* ========================================================================= */
|
|
/* Platform configuration */
|
|
/* ========================================================================= */
|
|
|
|
/* The U-Boot platform information struct */
|
|
extern bd_t __res;
|
|
|
|
/* Platform options */
|
|
#if defined(CONFIG_LITE5200)
|
|
#include <platforms/lite5200.h>
|
|
#endif
|
|
|
|
|
|
#endif /* __ASM_MPC52xx_H__ */
|