AVR32: Resource management rewrite

[u-boot] / drivers / atmel_usart.c

diff --git a/drivers/atmel_usart.c b/drivers/atmel_usart.c
index 41c37683d7854fb09a5fbac0d9ec4cfbf65f74fe..f35b99730f786528de863802191a1f11e2cd3846 100644 (file)
--- a/drivers/atmel_usart.c
+++ b/drivers/atmel_usart.c
@@ -19,7 +19,22 @@
 
 #ifdef CONFIG_ATMEL_USART
 #include <asm/io.h>
-#include <asm/arch/platform.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/memory-map.h>
+
+#if defined(CONFIG_USART0)
+# define USART_ID      0
+# define USART_BASE    USART0_BASE
+#elif defined(CONFIG_USART1)
+# define USART_ID      1
+# define USART_BASE    USART1_BASE
+#elif defined(CONFIG_USART2)
+# define USART_ID      2
+# define USART_BASE    USART2_BASE
+#elif defined(CONFIG_USART3)
+# define USART_ID      3
+# define USART_BASE    USART3_BASE
+#endif
 
 #include "atmel_usart.h"
 
@@ -35,26 +50,23 @@ void serial_setbrg(void)
         * Baud Rate = --------------
         *                16 * CD
         */
-       usart_hz = pm_get_clock_freq(gd->console_uart->resource[0].u.clock.id);
+       usart_hz = get_usart_clk_rate(USART_ID);
        divisor = (usart_hz / 16 + gd->baudrate / 2) / gd->baudrate;
-       usart3_writel(gd->console_uart, BRGR, USART3_BF(CD, divisor));
+       usart3_writel(BRGR, USART3_BF(CD, divisor));
 }
 
 int serial_init(void)
 {
-       usart3_writel(gd->console_uart, CR,
-                     USART3_BIT(RSTRX) | USART3_BIT(RSTTX));
+       usart3_writel(CR, USART3_BIT(RSTRX) | USART3_BIT(RSTTX));
 
        serial_setbrg();
 
-       usart3_writel(gd->console_uart, CR,
-                     USART3_BIT(RXEN) | USART3_BIT(TXEN));
-       usart3_writel(gd->console_uart, MR,
-                     USART3_BF(USART_MODE, USART3_USART_MODE_NORMAL)
-                     | USART3_BF(USCLKS, USART3_USCLKS_MCK)
-                     | USART3_BF(CHRL, USART3_CHRL_8)
-                     | USART3_BF(PAR, USART3_PAR_NONE)
-                     | USART3_BF(NBSTOP, USART3_NBSTOP_1));
+       usart3_writel(CR, USART3_BIT(RXEN) | USART3_BIT(TXEN));
+       usart3_writel(MR, (USART3_BF(USART_MODE, USART3_USART_MODE_NORMAL)
+                          | USART3_BF(USCLKS, USART3_USCLKS_MCK)
+                          | USART3_BF(CHRL, USART3_CHRL_8)
+                          | USART3_BF(PAR, USART3_PAR_NONE)
+                          | USART3_BF(NBSTOP, USART3_NBSTOP_1)));
 
        return 0;
 }
@@ -64,8 +76,8 @@ void serial_putc(char c)
        if (c == '\n')
                serial_putc('\r');
 
-       while (!(usart3_readl(gd->console_uart, CSR) & USART3_BIT(TXRDY))) ;
-       usart3_writel(gd->console_uart, THR, c);
+       while (!(usart3_readl(CSR) & USART3_BIT(TXRDY))) ;
+       usart3_writel(THR, c);
 }
 
 void serial_puts(const char *s)
@@ -76,13 +88,13 @@ void serial_puts(const char *s)
 
 int serial_getc(void)
 {
-       while (!(usart3_readl(gd->console_uart, CSR) & USART3_BIT(RXRDY))) ;
-       return usart3_readl(gd->console_uart, RHR);
+       while (!(usart3_readl(CSR) & USART3_BIT(RXRDY))) ;
+       return usart3_readl(RHR);
 }
 
 int serial_tstc(void)
 {
-       return (usart3_readl(gd->console_uart, CSR) & USART3_BIT(RXRDY)) != 0;
+       return (usart3_readl(CSR) & USART3_BIT(RXRDY)) != 0;
 }
 
 #endif /* CONFIG_ATMEL_USART */