at32stk1000.h File Reference

#include <avr32/io.h>
#include "sdram.h"
#include "usart.h"
#include "pm.h"
#include "pio.h"
#include "errno.h"
#include "utils.h"

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Defines
#define	CPU_FAMILY   "AVR32_AP"
#define	CPU_TYPE   "AT32AP7000"
#define	DEFAULT_FREQ   OSC0_FREQ
#define	DEFAULT_UART   UART_A
#define	IRDA   AVR32_USART2
#define	MAX_FREQ   150000000
#define	OSC0_FREQ   20000000
#define	OSC1_FREQ   12000000
#define	SDRAM_SIZE   8
#define	UART_A   AVR32_USART1
#define	UART_C   AVR32_USART3
Functions
int	board_init (void)
Variables
static struct sdram_info	sdram

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Define Documentation

#define CPU_FAMILY   "AVR32_AP"

Definition at line 38 of file at32stk1000.h.

#define CPU_TYPE   "AT32AP7000"

Definition at line 39 of file at32stk1000.h.

Referenced by uncached().

#define DEFAULT_FREQ   OSC0_FREQ

Definition at line 42 of file at32stk1000.h.

#define DEFAULT_UART   UART_A

Definition at line 43 of file at32stk1000.h.

#define IRDA   AVR32_USART2

Definition at line 55 of file at32stk1000.h.

#define MAX_FREQ   150000000

Definition at line 40 of file at32stk1000.h.

#define OSC0_FREQ   20000000

Definition at line 46 of file at32stk1000.h.

#define OSC1_FREQ   12000000

Definition at line 47 of file at32stk1000.h.

#define SDRAM_SIZE   8

Definition at line 50 of file at32stk1000.h.

#define UART_A   AVR32_USART1

Definition at line 53 of file at32stk1000.h.

#define UART_C   AVR32_USART3

Definition at line 54 of file at32stk1000.h.

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Function Documentation

int board_init

(

void

)

Definition at line 130 of file at32stk1000.c.

References pll_opt_t::divider, ERROR, init_uart_a(), INVALID_ARGUMENT, mt481c2m32b2tg_init(), pll_opt_t::multiplier, pll_opt_t::oscillator, pll_opt_t::pll, PLL_TIMEOUT, PM_OSC0, PM_PLL0, pm_read_mclk(), pm_set_mclk_source(), pm_set_pll(), sdram, usart, usart_print(), usart_printHex(), and usart_reset().

Referenced by main().

{
        volatile struct avr32_usart_t *usart = &AVR32_USART1;
        volatile struct pll_opt_t pll_opt;

        /* Initialize USART */
        if(init_uart_a())
                return INVALID_ARGUMENT;
        usart_print(usart, "STK1000 initialization:\n");
        usart_print(usart, " -> USART ... OK\n");


        /* Setup PLL at 40 MHz */
        usart_print(usart, " -> PLL0 ... ");
        pll_opt.oscillator=PM_OSC0;
        pll_opt.pll=PM_PLL0;
        pll_opt.multiplier=2;
        pll_opt.divider=1;
        pm_set_pll(&pll_opt);

        pm_set_mclk_source(PM_PLL0);

        if(init_uart_a()) /* reinitialize due to clock change */
                return INVALID_ARGUMENT;
        usart_print(usart, "OK\n");
        
        /* Initialize SDRAMC */
        usart_print(usart, " -> SDRAM ... ");
        if (mt481c2m32b2tg_init(&sdram) )
                return ERROR;
        usart_print(usart, "OK\n");


        /* Done. Print frequency and return */
        usart_print(usart, "STK1000 is successfully initialized at 0x");
        usart_printHex(usart, pm_read_mclk()/1000000 );
        usart_print(usart, " MHz\n");

        return 0;
}

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Variable Documentation

struct sdram_info sdram [static]

Initial value:

 {
        .phys_addr      = AVR32_EBI1_ADDRESS,
        .bus_width      = 32,
        .rows           = 11,
        .cols           = 8,
        .banks          = 2,
        .cas            = 3,
        .twr            = 2,
        .trc            = 7,
        .trp            = 2,
        .trcd           = 2,
        .tras           = 5,
        .txsr           = 5,
}

Definition at line 58 of file at32stk1000.h.

Referenced by board_init(), mt481c2m32b2tg_init(), and sdram_init().

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