early_printk_mrst.c File Reference

#include <linux/serial_reg.h>
#include <linux/serial_mfd.h>
#include <linux/kmsg_dump.h>
#include <linux/console.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/io.h>
#include <asm/fixmap.h>
#include <asm/pgtable.h>
#include <asm/mrst.h>

Go to the source code of this file.

Data Structures
struct	dw_spi_reg

Macros
#define	MRST_SPI_TIMEOUT   0x200000
#define	MRST_REGBASE_SPI0   0xff128000
#define	MRST_REGBASE_SPI1   0xff128400
#define	MRST_CLK_SPI0_REG   0xff11d86c
#define	SPI_DFS_OFFSET   0
#define	SPI_FRF_OFFSET   4
#define	SPI_FRF_SPI   0x0
#define	SPI_FRF_SSP   0x1
#define	SPI_FRF_MICROWIRE   0x2
#define	SPI_FRF_RESV   0x3
#define	SPI_MODE_OFFSET   6
#define	SPI_SCPH_OFFSET   6
#define	SPI_SCOL_OFFSET   7
#define	SPI_TMOD_OFFSET   8
#define	SPI_TMOD_TR   0x0 /* xmit & recv */
#define	SPI_TMOD_TO   0x1 /* xmit only */
#define	SPI_TMOD_RO   0x2 /* recv only */
#define	SPI_TMOD_EPROMREAD   0x3 /* eeprom read mode */
#define	SPI_SLVOE_OFFSET   10
#define	SPI_SRL_OFFSET   11
#define	SPI_CFS_OFFSET   12
#define	SR_MASK   0x7f /* cover 7 bits */
#define	SR_BUSY   (1 << 0)
#define	SR_TF_NOT_FULL   (1 << 1)
#define	SR_TF_EMPT   (1 << 2)
#define	SR_RF_NOT_EMPT   (1 << 3)
#define	SR_RF_FULL   (1 << 4)
#define	SR_TX_ERR   (1 << 5)
#define	SR_DCOL   (1 << 6)
#define	dw_readl(dw, name)   __raw_readl(&(dw)->name)
#define	dw_writel(dw, name, val)   __raw_writel((val), &(dw)->name)
#define	HSU_PORT_BASE   0xffa28080
#define	BOTH_EMPTY   (UART_LSR_TEMT | UART_LSR_THRE)

Functions
void	mrst_early_console_init (void)
void	hsu_early_console_init (const char *s)

Variables
struct dw_spi_reg	__packed
struct console	early_mrst_console
struct console	early_hsu_console

Macro Definition Documentation

#define BOTH_EMPTY   (UART_LSR_TEMT | UART_LSR_THRE)

Definition at line 288 of file early_printk_mrst.c.

#define dw_readl	(		dw,
			name
	)		__raw_readl(&(dw)->name)

Definition at line 99 of file early_printk_mrst.c.

#define dw_writel	(		dw,
			name,
			val
	)		__raw_writel((val), &(dw)->name)

Definition at line 100 of file early_printk_mrst.c.

#define HSU_PORT_BASE   0xffa28080

Definition at line 245 of file early_printk_mrst.c.

#define MRST_CLK_SPI0_REG   0xff11d86c

Definition at line 35 of file early_printk_mrst.c.

#define MRST_REGBASE_SPI0   0xff128000

Definition at line 33 of file early_printk_mrst.c.

#define MRST_REGBASE_SPI1   0xff128400

Definition at line 34 of file early_printk_mrst.c.

#define MRST_SPI_TIMEOUT   0x200000

Definition at line 32 of file early_printk_mrst.c.

#define SPI_CFS_OFFSET   12

Definition at line 57 of file early_printk_mrst.c.

#define SPI_DFS_OFFSET   0

Definition at line 38 of file early_printk_mrst.c.

#define SPI_FRF_MICROWIRE   0x2

Definition at line 43 of file early_printk_mrst.c.

#define SPI_FRF_OFFSET   4

Definition at line 40 of file early_printk_mrst.c.

#define SPI_FRF_RESV   0x3

Definition at line 44 of file early_printk_mrst.c.

#define SPI_FRF_SPI   0x0

Definition at line 41 of file early_printk_mrst.c.

#define SPI_FRF_SSP   0x1

Definition at line 42 of file early_printk_mrst.c.

#define SPI_MODE_OFFSET   6

Definition at line 46 of file early_printk_mrst.c.

#define SPI_SCOL_OFFSET   7

Definition at line 48 of file early_printk_mrst.c.

#define SPI_SCPH_OFFSET   6

Definition at line 47 of file early_printk_mrst.c.

#define SPI_SLVOE_OFFSET   10

Definition at line 55 of file early_printk_mrst.c.

#define SPI_SRL_OFFSET   11

Definition at line 56 of file early_printk_mrst.c.

#define SPI_TMOD_EPROMREAD   0x3 /* eeprom read mode */

Definition at line 53 of file early_printk_mrst.c.

#define SPI_TMOD_OFFSET   8

Definition at line 49 of file early_printk_mrst.c.

#define SPI_TMOD_RO   0x2 /* recv only */

Definition at line 52 of file early_printk_mrst.c.

#define SPI_TMOD_TO   0x1 /* xmit only */

Definition at line 51 of file early_printk_mrst.c.

#define SPI_TMOD_TR   0x0 /* xmit & recv */

Definition at line 50 of file early_printk_mrst.c.

#define SR_BUSY   (1 << 0)

Definition at line 61 of file early_printk_mrst.c.

#define SR_DCOL   (1 << 6)

Definition at line 67 of file early_printk_mrst.c.

#define SR_MASK   0x7f /* cover 7 bits */

Definition at line 60 of file early_printk_mrst.c.

#define SR_RF_FULL   (1 << 4)

Definition at line 65 of file early_printk_mrst.c.

#define SR_RF_NOT_EMPT   (1 << 3)

Definition at line 64 of file early_printk_mrst.c.

#define SR_TF_EMPT   (1 << 2)

Definition at line 63 of file early_printk_mrst.c.

#define SR_TF_NOT_FULL   (1 << 1)

Definition at line 62 of file early_printk_mrst.c.

#define SR_TX_ERR   (1 << 5)

Definition at line 66 of file early_printk_mrst.c.

Function Documentation

void hsu_early_console_init

(

const char *

s

)

Definition at line 249 of file early_printk_mrst.c.

void mrst_early_console_init

(

void

)

Definition at line 143 of file early_printk_mrst.c.

Variable Documentation

struct dw_spi_reg __packed

struct console early_hsu_console

Initial value:

= {
    .name =     "earlyhsu",
    .write =    early_hsu_write,
    .flags =    CON_PRINTBUFFER,
    .index =    -1,
}

Definition at line 319 of file early_printk_mrst.c.

struct console early_mrst_console

Initial value:

= {
    .name =     "earlymrst",
    .write =    early_mrst_spi_write,
    .flags =    CON_PRINTBUFFER,
    .index =    -1,
}

Definition at line 234 of file early_printk_mrst.c.