sys/boot/arm/at91/boot2/bwct_board.c

   1 #include <sys/cdefs.h>
   2 __FBSDID("$FreeBSD$");
   3
   4 #include <sys/param.h>
   5
   6 #include "at91rm9200_lowlevel.h"
   7 #include "at91rm9200.h"
   8 #include "emac.h"
   9 #include "lib.h"
  10 #include "ee.h"
  11 #include "board.h"
  12 #include "sd-card.h"
  13
  14 unsigned char mac[6] = { 0x00, 0x0e, 0x42, 0x02, 0x00, 0x28 };
  15
  16 static void USART0_Init();
  17 static void USART1_Init();
  18 static void USART2_Init();
  19 static void USART3_Init();
  20 static void DS1672_Init();
  21
  22 static void
  23 DS1672_Init() {
  24         char buf[] = {0x00, 0xa9};
  25
  26         EEWrite(0xd0, buf, sizeof(buf));
  27 }
  28
  29 static void
  30 USART0_Init() {
  31
  32         AT91PS_PIO pPio = (AT91PS_PIO)AT91C_BASE_PIOA;
  33         AT91PS_PMC pPMC = (AT91PS_PMC)AT91C_BASE_PMC;
  34
  35         // setup GPIO
  36         pPio->PIO_ASR = AT91C_PA17_TXD0 | AT91C_PA18_RXD0;
  37         pPio->PIO_PDR = AT91C_PA17_TXD0 | AT91C_PA18_RXD0;
  38
  39         // enable power
  40         pPMC->PMC_PCER = 1u << AT91C_ID_US0;
  41 }
  42
  43 static void
  44 USART1_Init() {
  45
  46         AT91PS_PIO pPio = (AT91PS_PIO)AT91C_BASE_PIOA;
  47         AT91PS_PMC pPMC = (AT91PS_PMC)AT91C_BASE_PMC;
  48
  49         // setup GPIO
  50         pPio->PIO_ASR = AT91C_PB20_TXD1 | AT91C_PB21_RXD1;
  51         pPio->PIO_PDR = AT91C_PB20_TXD1 | AT91C_PB21_RXD1;
  52
  53         // enable power
  54         pPMC->PMC_PCER = 1u << AT91C_ID_US1;
  55 }
  56
  57 static void
  58 USART2_Init() {
  59
  60         AT91PS_PIO pPio = (AT91PS_PIO)AT91C_BASE_PIOA;
  61         AT91PS_PMC pPMC = (AT91PS_PMC)AT91C_BASE_PMC;
  62
  63         // setup GPIO
  64         pPio->PIO_ASR = AT91C_PA23_TXD2 | AT91C_PA22_RXD2;
  65         pPio->PIO_PDR = AT91C_PA23_TXD2 | AT91C_PA22_RXD2;
  66
  67         // enable power
  68         pPMC->PMC_PCER = 1u << AT91C_ID_US2;
  69 }
  70
  71 static void
  72 USART3_Init() {
  73
  74         AT91PS_PIO pPio = (AT91PS_PIO)AT91C_BASE_PIOA;
  75         AT91PS_PMC pPMC = (AT91PS_PMC)AT91C_BASE_PMC;
  76
  77         // setup GPIO
  78         pPio->PIO_BSR = AT91C_PA5_TXD3 | AT91C_PA6_RXD3;
  79         pPio->PIO_PDR = AT91C_PA5_TXD3 | AT91C_PA6_RXD3;
  80
  81         // enable power
  82         pPMC->PMC_PCER = 1u << AT91C_ID_US3;
  83 }
  84
  85 void
  86 board_init(void)
  87 {
  88
  89         printf("\n\n");
  90         printf("BWCT FSB-A920-1\n");
  91         printf("http://www.bwct.de\n");
  92         printf("\n");
  93 #if defined(SDRAM_128M)
  94         printf("AT92RM9200 180MHz 128MB\n");
  95 #else
  96         printf("AT92RM9200 180MHz 64MB\n");
  97 #endif
  98         printf("Initialising USART0\n");
  99         USART0_Init();
 100         printf("Initialising USART1\n");
 101         USART1_Init();
 102         printf("Initialising USART2\n");
 103         USART2_Init();
 104         printf("Initialising USART3\n");
 105         USART3_Init();
 106         printf("Initialising TWI\n");
 107         EEInit();
 108         printf("Initialising DS1672\n");
 109         DS1672_Init();
 110         printf("Initialising Ethernet\n");
 111         printf("MAC %x:%x:%x:%x:%x:%x\n", mac[0],
 112             mac[1], mac[2], mac[3], mac[4], mac[5]);
 113         EMAC_Init();
 114         EMAC_SetMACAddress(mac);
 115         printf("Initialising SD-card\n");
 116         sdcard_init();
 117 }
 118
 119 #include "../bootspi/ee.c"
 120
 121 int
 122 drvread(void *buf, unsigned lba, unsigned nblk)
 123 {
 124     return (MCI_read((char *)buf, lba << 9, nblk << 9));
 125 }