acrn-kernel/arch/ppc/platforms/rpx8260.h

82 lines
2.9 KiB
C

/*
* A collection of structures, addresses, and values associated with
* the Embedded Planet RPX6 (or RPX Super) MPC8260 board.
* Copied from the RPX-Classic and SBS8260 stuff.
*
* Copyright (c) 2001 Dan Malek <dan@embeddededge.com>
*/
#ifdef __KERNEL__
#ifndef __ASM_PLATFORMS_RPX8260_H__
#define __ASM_PLATFORMS_RPX8260_H__
/* A Board Information structure that is given to a program when
* prom starts it up.
*/
typedef struct bd_info {
unsigned int bi_memstart; /* Memory start address */
unsigned int bi_memsize; /* Memory (end) size in bytes */
unsigned int bi_nvsize; /* NVRAM size in bytes (can be 0) */
unsigned int bi_intfreq; /* Internal Freq, in Hz */
unsigned int bi_busfreq; /* Bus Freq, in MHz */
unsigned int bi_cpmfreq; /* CPM Freq, in MHz */
unsigned int bi_brgfreq; /* BRG Freq, in MHz */
unsigned int bi_vco; /* VCO Out from PLL */
unsigned int bi_baudrate; /* Default console baud rate */
unsigned int bi_immr; /* IMMR when called from boot rom */
unsigned char bi_enetaddr[6];
} bd_t;
extern bd_t m8xx_board_info;
/* Memory map is configured by the PROM startup.
* We just map a few things we need. The CSR is actually 4 byte-wide
* registers that can be accessed as 8-, 16-, or 32-bit values.
*/
#define CPM_MAP_ADDR ((uint)0xf0000000)
#define RPX_CSR_ADDR ((uint)0xfa000000)
#define RPX_CSR_SIZE ((uint)(512 * 1024))
#define RPX_NVRTC_ADDR ((uint)0xfa080000)
#define RPX_NVRTC_SIZE ((uint)(512 * 1024))
/* The RPX6 has 16, byte wide control/status registers.
* Not all are used (yet).
*/
extern volatile u_char *rpx6_csr_addr;
/* Things of interest in the CSR.
*/
#define BCSR0_ID_MASK ((u_char)0xf0) /* Read only */
#define BCSR0_SWITCH_MASK ((u_char)0x0f) /* Read only */
#define BCSR1_XCVR_SMC1 ((u_char)0x80)
#define BCSR1_XCVR_SMC2 ((u_char)0x40)
#define BCSR2_FLASH_WENABLE ((u_char)0x20)
#define BCSR2_NVRAM_ENABLE ((u_char)0x10)
#define BCSR2_ALT_IRQ2 ((u_char)0x08)
#define BCSR2_ALT_IRQ3 ((u_char)0x04)
#define BCSR2_PRST ((u_char)0x02) /* Force reset */
#define BCSR2_ENPRST ((u_char)0x01) /* Enable POR */
#define BCSR3_MODCLK_MASK ((u_char)0xe0)
#define BCSR3_ENCLKHDR ((u_char)0x10)
#define BCSR3_LED5 ((u_char)0x04) /* 0 == on */
#define BCSR3_LED6 ((u_char)0x02) /* 0 == on */
#define BCSR3_LED7 ((u_char)0x01) /* 0 == on */
#define BCSR4_EN_PHY ((u_char)0x80) /* Enable PHY */
#define BCSR4_EN_MII ((u_char)0x40) /* Enable PHY */
#define BCSR4_MII_READ ((u_char)0x04)
#define BCSR4_MII_MDC ((u_char)0x02)
#define BCSR4_MII_MDIO ((u_char)0x01)
#define BCSR13_FETH_IRQMASK ((u_char)0xf0)
#define BCSR15_FETH_IRQ ((u_char)0x20)
#define PHY_INTERRUPT SIU_INT_IRQ7
/* For our show_cpuinfo hooks. */
#define CPUINFO_VENDOR "Embedded Planet"
#define CPUINFO_MACHINE "EP8260 PowerPC"
/* Warm reset vector. */
#define BOOTROM_RESTART_ADDR ((uint)0xfff00104)
#endif /* __ASM_PLATFORMS_RPX8260_H__ */
#endif /* __KERNEL__ */