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linux/include/asm-ppc/mpc52xx.h
Sylvain Munaut 1f5e3b028c [PATCH] ppc32: Reorganize and complete MPC52xx initial cpu setup 
ppc32: Reorganize and complete MPC52xx initial cpu setup

This patch splits up the CPU setup into a generic part and a
platform specific part. We also add a few missing init at the
same time.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-27 14:49:00 +11:00

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