Merge branch 'master' of git://www.denx.de/git/u-boot-at91

9 files changed, 190 insertions, 149 deletions

diff --git a/cpu/arm926ejs/at91cap9/spi.c b/cpu/arm926ejs/at91cap9/spi.c
deleted file mode 100644
index 0953820..0000000
--- a/cpu/arm926ejs/at91cap9/spi.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Driver for ATMEL DataFlash support
- * Author : Hamid Ikdoumi (Atmel)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#include <config.h>
-#include <common.h>
-#include <asm/hardware.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 */
-
-void AT91F_SpiInit(void)
-{
-	/* Reset the SPI */
-	AT91C_BASE_SPI0->SPI_CR = AT91C_SPI_SWRST;
-
-	/* Configure SPI in Master Mode with No CS selected !!! */
-	AT91C_BASE_SPI0->SPI_MR =
-		AT91C_SPI_MSTR | AT91C_SPI_MODFDIS | AT91C_SPI_PCS;
-
-	/* 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);
-}
-
-void AT91F_SpiEnable(int cs)
-{
-	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);
-		break;
-	case 3:
-		AT91C_BASE_SPI0->SPI_MR &= 0xFFF0FFFF;
-		AT91C_BASE_SPI0->SPI_MR |=
-			((AT91C_SPI_PCS3_DATAFLASH_CARD<<16) & AT91C_SPI_PCS);
-		break;
-	}
-
-	/* SPI_Enable */
-	AT91C_BASE_SPI0->SPI_CR = AT91C_SPI_SPIEN;
-}
-
-unsigned int AT91F_SpiWrite(AT91PS_DataflashDesc pDesc)
-{
-	unsigned int timeout;
-
-	pDesc->state = BUSY;
-
-	AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
-
-	/* 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;
-
-	/* Intialize the Transmit and Receive Counters */
-	AT91C_BASE_SPI0->SPI_RCR = pDesc->rx_cmd_size;
-	AT91C_BASE_SPI0->SPI_TCR = pDesc->tx_cmd_size;
-
-	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;
-
-		/* 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;
-	}
-
-	/* 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) &&
-		((timeout = get_timer_masked()) < CFG_SPI_WRITE_TOUT));
-	AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
-	pDesc->state = IDLE;
-
-	if (timeout >= CFG_SPI_WRITE_TOUT) {
-		printf("Error Timeout\n\r");
-		return DATAFLASH_ERROR;
-	}
-
-	return DATAFLASH_OK;
-}
-#endif
diff --git a/cpu/arm926ejs/at91cap9/Makefile b/cpu/arm926ejs/at91sam9/Makefile
index bf15e1e..203abc2 100644
--- a/cpu/arm926ejs/at91cap9/Makefile
+++ b/cpu/arm926ejs/at91sam9/Makefile
@@ -25,11 +25,14 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).a
 
-COBJS	= ether.o timer.o spi.o usb.o
+COBJS-y	+= ether.o
+COBJS-y	+= timer.o
+COBJS-$(CONFIG_HAS_DATAFLASH) +=spi.o
+COBJS-y	+= usb.o
 SOBJS	= lowlevel_init.o
 
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+SRCS    := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS    := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
 
 all:	$(obj).depend $(LIB)
 
diff --git a/cpu/arm926ejs/at91cap9/config.mk b/cpu/arm926ejs/at91sam9/config.mk
index ca2cae1..ca2cae1 100644
--- a/cpu/arm926ejs/at91cap9/config.mk
+++ b/cpu/arm926ejs/at91sam9/config.mk
diff --git a/cpu/arm926ejs/at91cap9/ether.c b/cpu/arm926ejs/at91sam9/ether.c
index b7958d5..e4f5601 100644
--- a/cpu/arm926ejs/at91cap9/ether.c
+++ b/cpu/arm926ejs/at91sam9/ether.c
@@ -23,13 +23,13 @@
  */
 
 #include <common.h>
-#include <asm/arch/AT91CAP9.h>
+#include <asm/arch/hardware.h>
 
 extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
 
 #if defined(CONFIG_MACB) && defined(CONFIG_CMD_NET)
-void at91cap9_eth_initialize(bd_t *bi)
+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/at91cap9/lowlevel_init.S b/cpu/arm926ejs/at91sam9/lowlevel_init.S
index 24d950c..40a3f6a 100644
--- a/cpu/arm926ejs/at91cap9/lowlevel_init.S
+++ b/cpu/arm926ejs/at91sam9/lowlevel_init.S
@@ -1,5 +1,5 @@
 /*
- * AT91CAP9 setup stuff
+ * AT91CAP9/SAM9 setup stuff
  *
  * (C) Copyright 2007-2008
  * Stelian Pop <stelian.pop <at> leadtechdesign.com>
diff --git a/cpu/arm926ejs/at91sam9/spi.c b/cpu/arm926ejs/at91sam9/spi.c
new file mode 100644
index 0000000..c9fe6d8
--- /dev/null
+++ b/cpu/arm926ejs/at91sam9/spi.c
@@ -0,0 +1,157 @@
+/*
+ * Driver for ATMEL DataFlash support
+ * Author : Hamid Ikdoumi (Atmel)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.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>
+
+#include <dataflash.h>
+
+#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 */
+	writel(AT91_SPI_SWRST, AT91_BASE_SPI + AT91_SPI_CR);
+
+	/* Configure SPI in Master Mode with No CS selected !!! */
+	writel(AT91_SPI_MSTR | AT91_SPI_MODFDIS | AT91_SPI_PCS,
+	       AT91_BASE_SPI + AT91_SPI_MR);
+
+	/* Configure CS0 */
+	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 */
+		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:
+		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 */
+	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;
+
+	writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR);
+
+	/* Initialize the Transmit and Receive Pointer */
+	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 */
+	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 */
+		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 */
+		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;
+
+	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));
+	writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR);
+	pDesc->state = IDLE;
+
+	if (timeout >= CFG_SPI_WRITE_TOUT) {
+		printf("Error Timeout\n\r");
+		return DATAFLASH_ERROR;
+	}
+
+	return DATAFLASH_OK;
+}
diff --git a/cpu/arm926ejs/at91cap9/timer.c b/cpu/arm926ejs/at91sam9/timer.c
index 4110e15..4e79466 100644
--- a/cpu/arm926ejs/at91cap9/timer.c
+++ b/cpu/arm926ejs/at91sam9/timer.c
@@ -24,36 +24,35 @@
 
 #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 PITC in 32 bit mode, by
+ * 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 interrupt_init(void)
+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 interrupt_init(void)
 static inline ulong get_timer_raw(void)
 {
 	ulong now = READ_TIMER;
+
 	if (now >= resettime)
 		return now - resettime;
 	else
@@ -129,20 +129,20 @@ unsigned long long get_ticks(void)
 ulong get_tbclk(void)
 {
 	ulong tbclk;
+
 	tbclk = CFG_HZ;
 	return tbclk;
 }
 
 /*
- * Reset the cpu by setting up the watchdog timer and let him time out
- * on the AT91CAP9ADK board
+ * Reset the cpu by setting up the watchdog timer and let him time out.
  */
 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/at91cap9/usb.c b/cpu/arm926ejs/at91sam9/usb.c
index 69da5f3..d678897 100644
--- a/cpu/arm926ejs/at91cap9/usb.c
+++ b/cpu/arm926ejs/at91sam9/usb.c
@@ -24,15 +24,16 @@
 #include <common.h>
 
 #if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
-#ifdef CONFIG_AT91CAP9
 
 #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;
 }
@@ -40,8 +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;
 }
 
@@ -50,5 +51,4 @@ int usb_cpu_init_fail(void)
 	return usb_cpu_stop();
 }
 
-#endif /* CONFIG_AT91CAP9 */
 #endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */
diff --git a/cpu/arm926ejs/interrupts.c b/cpu/arm926ejs/interrupts.c
index 0971fea..1819f6b 100644
--- a/cpu/arm926ejs/interrupts.c
+++ b/cpu/arm926ejs/interrupts.c
@@ -38,7 +38,7 @@
 #include <common.h>
 #include <arm926ejs.h>
 
-#if defined(CONFIG_INTEGRATOR) || defined(CONFIG_AT91CAP9ADK)
+#ifdef CONFIG_INTEGRATOR
 
 	/* Timer functionality supplied by Integrator board (AP or CP) */