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-rw-r--r--drivers/gpio/at91_gpio.c52
-rw-r--r--drivers/rtc/at91sam9_rtt.c12
-rw-r--r--drivers/usb/host/ohci-at91.c16
-rw-r--r--drivers/watchdog/at91sam9_wdt.c4
4 files changed, 47 insertions, 37 deletions
diff --git a/drivers/gpio/at91_gpio.c b/drivers/gpio/at91_gpio.c
index c0a97bc5da..1631687186 100644
--- a/drivers/gpio/at91_gpio.c
+++ b/drivers/gpio/at91_gpio.c
@@ -24,6 +24,16 @@
* MA 02111-1307 USA
*/
+/*
+ * WARNING:
+ *
+ * As the code is right now, it expects all PIO ports A,B,C,...
+ * to be evenly spaced in the memory map:
+ * ATMEL_BASE_PIOA + port * sizeof at91pio_t
+ * This might not necessaryly be true in future Atmel SoCs.
+ * This code should be fixed to use a pointer array to the ports.
+ */
+
#include <config.h>
#include <common.h>
#include <asm/sizes.h>
@@ -33,10 +43,10 @@
int at91_set_pio_pullup(unsigned port, unsigned pin, int use_pullup)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
if (use_pullup)
writel(1 << pin, &pio->port[port].puer);
@@ -52,10 +62,10 @@ int at91_set_pio_pullup(unsigned port, unsigned pin, int use_pullup)
*/
int at91_set_pio_periph(unsigned port, unsigned pin, int use_pullup)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
writel(mask, &pio->port[port].idr);
at91_set_pio_pullup(port, pin, use_pullup);
@@ -69,10 +79,10 @@ int at91_set_pio_periph(unsigned port, unsigned pin, int use_pullup)
*/
int at91_set_a_periph(unsigned port, unsigned pin, int use_pullup)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
writel(mask, &pio->port[port].idr);
at91_set_pio_pullup(port, pin, use_pullup);
@@ -87,10 +97,10 @@ int at91_set_a_periph(unsigned port, unsigned pin, int use_pullup)
*/
int at91_set_b_periph(unsigned port, unsigned pin, int use_pullup)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
writel(mask, &pio->port[port].idr);
at91_set_pio_pullup(port, pin, use_pullup);
@@ -106,10 +116,10 @@ int at91_set_b_periph(unsigned port, unsigned pin, int use_pullup)
*/
int at91_set_pio_input(unsigned port, u32 pin, int use_pullup)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
writel(mask, &pio->port[port].idr);
at91_set_pio_pullup(port, pin, use_pullup);
@@ -125,10 +135,10 @@ int at91_set_pio_input(unsigned port, u32 pin, int use_pullup)
*/
int at91_set_pio_output(unsigned port, u32 pin, int value)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
writel(mask, &pio->port[port].idr);
writel(mask, &pio->port[port].pudr);
@@ -147,10 +157,10 @@ int at91_set_pio_output(unsigned port, u32 pin, int value)
*/
int at91_set_pio_deglitch(unsigned port, unsigned pin, int is_on)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
if (is_on)
writel(mask, &pio->port[port].ifer);
@@ -166,10 +176,10 @@ int at91_set_pio_deglitch(unsigned port, unsigned pin, int is_on)
*/
int at91_set_pio_multi_drive(unsigned port, unsigned pin, int is_on)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
if (is_on)
writel(mask, &pio->port[port].mder);
@@ -184,10 +194,10 @@ int at91_set_pio_multi_drive(unsigned port, unsigned pin, int is_on)
*/
int at91_set_pio_value(unsigned port, unsigned pin, int value)
{
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
if (value)
writel(mask, &pio->port[port].sodr);
@@ -202,11 +212,11 @@ int at91_set_pio_value(unsigned port, unsigned pin, int value)
*/
int at91_get_pio_value(unsigned port, unsigned pin)
{
- u32 pdsr = 0;
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+ u32 pdsr = 0;
+ at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
u32 mask;
- if ((port < AT91_PIO_PORTS) && (pin < 32)) {
+ if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
pdsr = readl(&pio->port[port].pdsr) & mask;
}
diff --git a/drivers/rtc/at91sam9_rtt.c b/drivers/rtc/at91sam9_rtt.c
index de8e30d0d7..ed44016078 100644
--- a/drivers/rtc/at91sam9_rtt.c
+++ b/drivers/rtc/at91sam9_rtt.c
@@ -48,8 +48,8 @@
int rtc_get (struct rtc_time *tmp)
{
- at91_rtt_t *rtt = (at91_rtt_t *) AT91_RTT_BASE;
- at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE;
+ at91_rtt_t *rtt = (at91_rtt_t *) ATMEL_BASE_RTT;
+ at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
ulong tim;
ulong tim2;
ulong off;
@@ -66,8 +66,8 @@ int rtc_get (struct rtc_time *tmp)
int rtc_set (struct rtc_time *tmp)
{
- at91_rtt_t *rtt = (at91_rtt_t *) AT91_RTT_BASE;
- at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE;
+ at91_rtt_t *rtt = (at91_rtt_t *) ATMEL_BASE_RTT;
+ at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
ulong tim;
tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday,
@@ -85,8 +85,8 @@ int rtc_set (struct rtc_time *tmp)
void rtc_reset (void)
{
- at91_rtt_t *rtt = (at91_rtt_t *) AT91_RTT_BASE;
- at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE;
+ at91_rtt_t *rtt = (at91_rtt_t *) ATMEL_BASE_RTT;
+ at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
/* clear alarm, set prescaler to 32768, clear counter */
writel(32768+AT91_RTT_RTTRST, &rtt->mr);
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 64fde68ff5..6166899432 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -32,7 +32,7 @@
int usb_cpu_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *)AT91_PMC_BASE;
+ at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20) || \
@@ -53,11 +53,11 @@ int usb_cpu_init(void)
#endif
/* Enable USB host clock. */
- writel(1 << AT91_ID_UHP, &pmc->pcer);
+ writel(1 << ATMEL_ID_UHP, &pmc->pcer);
#ifdef CONFIG_AT91SAM9261
- writel(AT91_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
+ writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
#else
- writel(AT91_PMC_UHP, &pmc->scer);
+ writel(ATMEL_PMC_UHP, &pmc->scer);
#endif
return 0;
@@ -65,14 +65,14 @@ int usb_cpu_init(void)
int usb_cpu_stop(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *)AT91_PMC_BASE;
+ at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
/* Disable USB host clock. */
- writel(1 << AT91_ID_UHP, &pmc->pcdr);
+ writel(1 << ATMEL_ID_UHP, &pmc->pcdr);
#ifdef CONFIG_AT91SAM9261
- writel(AT91_PMC_UHP | AT91_PMC_HCK0, &pmc->scdr);
+ writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scdr);
#else
- writel(AT91_PMC_UHP, &pmc->scdr);
+ writel(ATMEL_PMC_UHP, &pmc->scdr);
#endif
#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 25afae748d..62547651a5 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -42,7 +42,7 @@
static int at91_wdt_settimeout(unsigned int timeout)
{
unsigned int reg;
- at91_wdt_t *wd = (at91_wdt_t *) AT91_WDT_BASE;
+ at91_wdt_t *wd = (at91_wdt_t *) ATMEL_BASE_WDT;
/* Check if disabled */
if (readl(&wd->mr) & AT91_WDT_MR_WDDIS) {
@@ -69,7 +69,7 @@ static int at91_wdt_settimeout(unsigned int timeout)
void hw_watchdog_reset(void)
{
- at91_wdt_t *wd = (at91_wdt_t *) AT91_WDT_BASE;
+ at91_wdt_t *wd = (at91_wdt_t *) ATMEL_BASE_WDT;
writel(AT91_WDT_CR_WDRSTT | AT91_WDT_CR_KEY, &wd->cr);
}
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