Port AT91CAP9 to the new headers

Adapt the existing AT91CAP9 code to the new headers and APIs.

Signed-off-by: Stelian Pop <stelian@popies.net>

4 files changed, 100 insertions, 56 deletions

diff --git a/cpu/arm926ejs/at91sam9/ether.c b/cpu/arm926ejs/at91sam9/ether.c
index 8de1bb7c33..e4f56012aa 100644
--- a/cpu/arm926ejs/at91sam9/ether.c
+++ b/cpu/arm926ejs/at91sam9/ether.c
@@ -30,6 +30,6 @@ extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
 #if defined(CONFIG_MACB) && defined(CONFIG_CMD_NET)
 void at91sam9_eth_initialize(bd_t *bi)
 {
-	macb_eth_initialize(0, (void *)AT91C_BASE_MACB, 0x00);
+	macb_eth_initialize(0, (void *)AT91_BASE_EMAC, 0x00);
 }
 #endif
diff --git a/cpu/arm926ejs/at91sam9/spi.c b/cpu/arm926ejs/at91sam9/spi.c
index 0953820bdf..c819608295 100644
--- a/cpu/arm926ejs/at91sam9/spi.c
+++ b/cpu/arm926ejs/at91sam9/spi.c
@@ -19,94 +19,135 @@
  *
  */
 
-#include <config.h>
 #include <common.h>
-#include <asm/hardware.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/at91_spi.h>
 
 #ifdef CONFIG_HAS_DATAFLASH
 #include <dataflash.h>
 
-/* Max Value = 10MHz to be compliant to the Continuous Array Read function */
-#define AT91C_SPI_CLK	10000000
-
-/* AC Characteristics: DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
-#define DATAFLASH_TCSS	(0xFA << 16)
-#define DATAFLASH_TCHS	(0x8 << 24)
-
-#define AT91C_TIMEOUT_WRDY		200000
-#define AT91C_SPI_PCS0_DATAFLASH_CARD	0xE	/* Chip Select 0: NPCS0%1110 */
-#define AT91C_SPI_PCS3_DATAFLASH_CARD	0x7	/* Chip Select 3: NPCS3%0111 */
+#define AT91_SPI_PCS0_DATAFLASH_CARD	0xE	/* Chip Select 0: NPCS0%1110 */
+#define AT91_SPI_PCS1_DATAFLASH_CARD	0xD	/* Chip Select 0: NPCS0%1101 */
+#define AT91_SPI_PCS3_DATAFLASH_CARD	0x7	/* Chip Select 3: NPCS3%0111 */
 
 void AT91F_SpiInit(void)
 {
 	/* Reset the SPI */
-	AT91C_BASE_SPI0->SPI_CR = AT91C_SPI_SWRST;
+	writel(AT91_SPI_SWRST, AT91_BASE_SPI + AT91_SPI_CR);
 
 	/* Configure SPI in Master Mode with No CS selected !!! */
-	AT91C_BASE_SPI0->SPI_MR =
-		AT91C_SPI_MSTR | AT91C_SPI_MODFDIS | AT91C_SPI_PCS;
+	writel(AT91_SPI_MSTR | AT91_SPI_MODFDIS | AT91_SPI_PCS,
+	       AT91_BASE_SPI + AT91_SPI_MR);
 
 	/* Configure CS0 */
-	AT91C_BASE_SPI0->SPI_CSR[0] =
-		AT91C_SPI_CPOL |
-		(AT91C_SPI_DLYBS & DATAFLASH_TCSS) |
-		(AT91C_SPI_DLYBCT & DATAFLASH_TCHS) |
-		((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
+	writel(AT91_SPI_NCPHA |
+	       (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
+	       (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
+	       ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8),
+	       AT91_BASE_SPI + AT91_SPI_CSR(0));
+
+#ifdef CFG_DATAFLASH_LOGIC_ADDR_CS1
+	/* Configure CS1 */
+	writel(AT91_SPI_NCPHA |
+	       (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
+	       (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
+	       ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8),
+	       AT91_BASE_SPI + AT91_SPI_CSR(1));
+#endif
+
+#ifdef CFG_DATAFLASH_LOGIC_ADDR_CS3
+	/* Configure CS3 */
+	writel(AT91_SPI_NCPHA |
+	       (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
+	       (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
+	       ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8),
+	       AT91_BASE_SPI + AT91_SPI_CSR(3));
+#endif
+
+	/* SPI_Enable */
+	writel(AT91_SPI_SPIEN, AT91_BASE_SPI + AT91_SPI_CR);
+
+	while (!(readl(AT91_BASE_SPI + AT91_SPI_SR) & AT91_SPI_SPIENS));
+
+	/*
+	 * Add tempo to get SPI in a safe state.
+	 * Should not be needed for new silicon (Rev B)
+	 */
+	udelay(500000);
+	readl(AT91_BASE_SPI + AT91_SPI_SR);
+	readl(AT91_BASE_SPI + AT91_SPI_RDR);
+
 }
 
 void AT91F_SpiEnable(int cs)
 {
+	unsigned long mode;
 	switch (cs) {
 	case 0:	/* Configure SPI CS0 for Serial DataFlash AT45DBxx */
-		AT91C_BASE_SPI0->SPI_MR &= 0xFFF0FFFF;
-		AT91C_BASE_SPI0->SPI_MR |=
-			((AT91C_SPI_PCS0_DATAFLASH_CARD<<16) & AT91C_SPI_PCS);
+		mode = readl(AT91_BASE_SPI + AT91_SPI_MR);
+		mode &= 0xFFF0FFFF;
+		writel(mode | ((AT91_SPI_PCS0_DATAFLASH_CARD<<16) & AT91_SPI_PCS),
+		       AT91_BASE_SPI + AT91_SPI_MR);
+		break;
+	case 1:	/* Configure SPI CS1 for Serial DataFlash AT45DBxx */
+		mode = readl(AT91_BASE_SPI + AT91_SPI_MR);
+		mode &= 0xFFF0FFFF;
+		writel(mode | ((AT91_SPI_PCS1_DATAFLASH_CARD<<16) & AT91_SPI_PCS),
+		       AT91_BASE_SPI + AT91_SPI_MR);
 		break;
 	case 3:
-		AT91C_BASE_SPI0->SPI_MR &= 0xFFF0FFFF;
-		AT91C_BASE_SPI0->SPI_MR |=
-			((AT91C_SPI_PCS3_DATAFLASH_CARD<<16) & AT91C_SPI_PCS);
+		mode = readl(AT91_BASE_SPI + AT91_SPI_MR);
+		mode &= 0xFFF0FFFF;
+		writel(mode | ((AT91_SPI_PCS3_DATAFLASH_CARD<<16) & AT91_SPI_PCS),
+		       AT91_BASE_SPI + AT91_SPI_MR);
 		break;
 	}
 
 	/* SPI_Enable */
-	AT91C_BASE_SPI0->SPI_CR = AT91C_SPI_SPIEN;
+	writel(AT91_SPI_SPIEN, AT91_BASE_SPI + AT91_SPI_CR);
 }
 
+unsigned int AT91F_SpiWrite1(AT91PS_DataflashDesc pDesc);
+
 unsigned int AT91F_SpiWrite(AT91PS_DataflashDesc pDesc)
 {
 	unsigned int timeout;
 
+
 	pDesc->state = BUSY;
 
-	AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
+	writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR);
+
 
 	/* Initialize the Transmit and Receive Pointer */
-	AT91C_BASE_SPI0->SPI_RPR = (unsigned int)pDesc->rx_cmd_pt;
-	AT91C_BASE_SPI0->SPI_TPR = (unsigned int)pDesc->tx_cmd_pt;
+	writel((unsigned int)pDesc->rx_cmd_pt, AT91_BASE_SPI + AT91_SPI_RPR);
+	writel((unsigned int)pDesc->tx_cmd_pt, AT91_BASE_SPI + AT91_SPI_TPR);
 
 	/* Intialize the Transmit and Receive Counters */
-	AT91C_BASE_SPI0->SPI_RCR = pDesc->rx_cmd_size;
-	AT91C_BASE_SPI0->SPI_TCR = pDesc->tx_cmd_size;
+	writel(pDesc->rx_cmd_size, AT91_BASE_SPI + AT91_SPI_RCR);
+	writel(pDesc->tx_cmd_size, AT91_BASE_SPI + AT91_SPI_TCR);
 
 	if (pDesc->tx_data_size != 0) {
 		/* Initialize the Next Transmit and Next Receive Pointer */
-		AT91C_BASE_SPI0->SPI_RNPR = (unsigned int)pDesc->rx_data_pt;
-		AT91C_BASE_SPI0->SPI_TNPR = (unsigned int)pDesc->tx_data_pt;
+		writel((unsigned int)pDesc->rx_data_pt, AT91_BASE_SPI + AT91_SPI_RNPR);
+		writel((unsigned int)pDesc->tx_data_pt, AT91_BASE_SPI + AT91_SPI_TNPR);
 
 		/* Intialize the Next Transmit and Next Receive Counters */
-		AT91C_BASE_SPI0->SPI_RNCR = pDesc->rx_data_size;
-		AT91C_BASE_SPI0->SPI_TNCR = pDesc->tx_data_size;
+		writel(pDesc->rx_data_size, AT91_BASE_SPI + AT91_SPI_RNCR);
+		writel(pDesc->tx_data_size, AT91_BASE_SPI + AT91_SPI_TNCR);
 	}
 
 	/* arm simple, non interrupt dependent timer */
 	reset_timer_masked();
 	timeout = 0;
 
-	AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTEN + AT91C_PDC_RXTEN;
-	while (!(AT91C_BASE_SPI0->SPI_SR & AT91C_SPI_RXBUFF) &&
+	writel(AT91_SPI_TXTEN + AT91_SPI_RXTEN, AT91_BASE_SPI + AT91_SPI_PTCR);
+	while (!(readl(AT91_BASE_SPI + AT91_SPI_SR) & AT91_SPI_RXBUFF) &&
 		((timeout = get_timer_masked()) < CFG_SPI_WRITE_TOUT));
-	AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
+	writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR);
 	pDesc->state = IDLE;
 
 	if (timeout >= CFG_SPI_WRITE_TOUT) {
diff --git a/cpu/arm926ejs/at91sam9/timer.c b/cpu/arm926ejs/at91sam9/timer.c
index 79c135fad4..4e79466286 100644
--- a/cpu/arm926ejs/at91sam9/timer.c
+++ b/cpu/arm926ejs/at91sam9/timer.c
@@ -24,22 +24,24 @@
 
 #include <common.h>
 #include <asm/arch/hardware.h>
+#include <asm/arch/at91_pit.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/io.h>
 
 /*
  * We're using the AT91CAP9/SAM9 PITC in 32 bit mode, by
  * setting the 20 bit counter period to its maximum (0xfffff).
  */
 #define TIMER_LOAD_VAL	0xfffff
-#define READ_RESET_TIMER (AT91C_BASE_PITC->PITC_PIVR)
-#define READ_TIMER (AT91C_BASE_PITC->PITC_PIIR)
+#define READ_RESET_TIMER at91_sys_read(AT91_PIT_PIVR)
+#define READ_TIMER at91_sys_read(AT91_PIT_PIIR)
 #define TIMER_FREQ (AT91C_MASTER_CLOCK << 4)
 #define TICKS_TO_USEC(ticks) ((ticks) / 6)
 
 ulong get_timer_masked(void);
 ulong resettime;
 
-AT91PS_PITC p_pitc;
-
 /* nothing really to do with interrupts, just starts up a counter. */
 int timer_init(void)
 {
@@ -47,13 +49,10 @@ int timer_init(void)
 	 * Enable PITC Clock
 	 * The clock is already enabled for system controller in boot
 	 */
-	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SYS;
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
 
 	/* Enable PITC */
-	AT91C_BASE_PITC->PITC_PIMR = AT91C_PITC_PITEN;
-
-	/* Load PITC_PIMR with the right timer value */
-	AT91C_BASE_PITC->PITC_PIMR |= TIMER_LOAD_VAL;
+	at91_sys_write(AT91_PIT_MR, TIMER_LOAD_VAL | AT91_PIT_PITEN);
 
 	reset_timer_masked();
 
@@ -67,6 +66,7 @@ int timer_init(void)
 static inline ulong get_timer_raw(void)
 {
 	ulong now = READ_TIMER;
+
 	if (now >= resettime)
 		return now - resettime;
 	else
@@ -129,6 +129,7 @@ unsigned long long get_ticks(void)
 ulong get_tbclk(void)
 {
 	ulong tbclk;
+
 	tbclk = CFG_HZ;
 	return tbclk;
 }
@@ -139,9 +140,9 @@ ulong get_tbclk(void)
 void reset_cpu(ulong ignored)
 {
 	/* this is the way Linux does it */
-	AT91C_BASE_RSTC->RSTC_RCR = (0xA5 << 24) |
-				    AT91C_RSTC_PROCRST |
-				    AT91C_RSTC_PERRST;
+	at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY |
+				     AT91_RSTC_PROCRST |
+				     AT91_RSTC_PERRST);
 
 	while (1);
 	/* Never reached */
diff --git a/cpu/arm926ejs/at91sam9/usb.c b/cpu/arm926ejs/at91sam9/usb.c
index 09292a6bed..d678897dc7 100644
--- a/cpu/arm926ejs/at91sam9/usb.c
+++ b/cpu/arm926ejs/at91sam9/usb.c
@@ -26,12 +26,14 @@
 #if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
 
 #include <asm/arch/hardware.h>
+#include <asm/arch/io.h>
+#include <asm/arch/at91_pmc.h>
 
 int usb_cpu_init(void)
 {
 	/* Enable USB host clock. */
-	AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UHP;
-	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_UHP;
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP);
+	at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP);
 
 	return 0;
 }
@@ -39,8 +41,8 @@ int usb_cpu_init(void)
 int usb_cpu_stop(void)
 {
 	/* Disable USB host clock. */
-	AT91C_BASE_PMC->PMC_PCDR = 1 << AT91C_ID_UHP;
-	AT91C_BASE_PMC->PMC_SCDR = AT91C_PMC_UHP;
+	at91_sys_write(AT91_PMC_PCDR, 1 << AT91_ID_UHP);
+	at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP);
 	return 0;
 }