leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

* Patch by Fred Klatt, 25 Jun 2004:

Browse Source 
Add support for WindRiver's SBC8560 board

* Patch by Nicolas Lacressonniere, 24 Jun 2004
  Small Bugs fixes for "at91rm9200dk" board:
  - Timing modifications for SPI DataFlash access
  - Fix NAND flash detection bug

* Patch by Nicolas Lacressonniere, 24 Jun 2004:
  Add Support for Flash AT49BV6416 for AT91RM9200DK board
This commit is contained in:
wdenk
2004-07-10 21:45:47 +00:00
parent 0ac6f8b749
commit 8b07a1103d
20 changed files with 1505 additions and 122 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
cpu/at91rm9200/at45.c
View File

@@ -25,7 +25,14 @@
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#define SPI_CLK 5000000
#define AT91C_SPI_CLK 10000000 /* Max Value = 10MHz to be compliant to
the Continuous Array Read function */
/* AC Characteristics */
/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
#define DATAFLASH_TCSS (0xC << 16)
#define DATAFLASH_TCHS (0x1 << 24)
#define AT91C_TIMEOUT_WRDY 200000
#define AT91C_SPI_PCS0_SERIAL_DATAFLASH 0xE /* Chip Select 0 : NPCS0 %1110 */
#define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3 : NPCS3 %0111 */
@@ -50,9 +57,11 @@ void AT91F_SpiInit(void) {
AT91C_BASE_SPI->SPI_MR = AT91C_SPI_MSTR | AT91C_SPI_MODFDIS | AT91C_SPI_PCS;
/* Configure CS0 and CS3 */
*(AT91C_SPI_CSR + 0) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & 0x100000) | ((AT91C_MASTER_CLOCK / (2*SPI_CLK)) << 8);
*(AT91C_SPI_CSR + 0) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) | (AT91C_SPI_DLYBCT &
DATAFLASH_TCHS) | ((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
*(AT91C_SPI_CSR + 3) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & 0x100000) | ((AT91C_MASTER_CLOCK / (2*SPI_CLK)) << 8);
*(AT91C_SPI_CSR + 3) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) | (AT91C_SPI_DLYBCT &
DATAFLASH_TCHS) | ((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
}

11
cpu/mpc85xx/tsec.c
View File

@@ -25,13 +25,6 @@
#define TX_BUF_CNT 2
#undef TSEC_DEBUG
#ifdef TSEC_DEBUG
#define DBGPRINT(x,y) printf(x,y)
#else
#define DBGPRINT(x,y)
#endif
static uint rxIdx; /* index of the current RX buffer */
static uint txIdx; /* index of the current TX buffer */
@@ -564,7 +557,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
/* Find an empty buffer descriptor */
for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
if (i >= TOUT_LOOP) {
DBGPRINT("%s: tsec: tx buffers full\n", dev->name);
debug ("%s: tsec: tx buffers full\n", dev->name);
return result;
}
}
@@ -579,7 +572,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
/* Wait for buffer to be transmitted */
for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
if (i >= TOUT_LOOP) {
DBGPRINT("%s: tsec: tx error\n", dev->name);
debug ("%s: tsec: tx error\n", dev->name);
return result;
}
}