1 files changed, 48 insertions, 19 deletions

diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index ce22344b94e7..3a529c77daa8 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -73,7 +73,7 @@ static LIST_HEAD(uart_list);
 
 static struct plat_serial8250_port serial_platform_data0[] = {
         {
-                .membase        = IO_ADDRESS(OMAP_UART1_BASE),
+                .membase        = OMAP2_IO_ADDRESS(OMAP_UART1_BASE),
                 .mapbase        = OMAP_UART1_BASE,
                 .irq            = 72,
                 .flags          = UPF_BOOT_AUTOCONF,
@@ -87,7 +87,7 @@ static struct plat_serial8250_port serial_platform_data0[] = {
 
 static struct plat_serial8250_port serial_platform_data1[] = {
         {
-                .membase        = IO_ADDRESS(OMAP_UART2_BASE),
+                .membase        = OMAP2_IO_ADDRESS(OMAP_UART2_BASE),
                 .mapbase        = OMAP_UART2_BASE,
                 .irq            = 73,
                 .flags          = UPF_BOOT_AUTOCONF,
@@ -101,7 +101,7 @@ static struct plat_serial8250_port serial_platform_data1[] = {
 
 static struct plat_serial8250_port serial_platform_data2[] = {
         {
-                .membase        = IO_ADDRESS(OMAP_UART3_BASE),
+                .membase        = OMAP2_IO_ADDRESS(OMAP_UART3_BASE),
                 .mapbase        = OMAP_UART3_BASE,
                 .irq            = 74,
                 .flags          = UPF_BOOT_AUTOCONF,
@@ -123,6 +123,21 @@ static struct plat_serial8250_port serial_platform_data2[] = {
         }
 };
 
+#ifdef CONFIG_ARCH_OMAP4
+static struct plat_serial8250_port serial_platform_data3[] = {
+        {
+                .membase        = IO_ADDRESS(OMAP_UART4_BASE),
+                .mapbase        = OMAP_UART4_BASE,
+                .irq            = 70,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+                .uartclk        = OMAP24XX_BASE_BAUD * 16,
+        }, {
+                .flags          = 0
+        }
+};
+#endif
 static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
                                            int offset)
 {
@@ -470,7 +485,7 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
                 uart->padconf = 0;
         }
 
-        p->flags |= UPF_SHARE_IRQ;
+        p->irqflags |= IRQF_SHARED;
         ret = request_irq(p->irq, omap_uart_interrupt, IRQF_SHARED,
                           "serial idle", (void *)uart);
         WARN_ON(ret);
@@ -560,12 +575,22 @@ static struct omap_uart_state omap_uart[OMAP_MAX_NR_PORTS] = {
                         },
                 },
         },
+#ifdef CONFIG_ARCH_OMAP4
+        {
+                .pdev = {
+                        .name                   = "serial8250",
+                        .id                     = 3
+                        .dev                    = {
+                                .platform_data  = serial_platform_data3,
+                        },
+                },
+        },
+#endif
 };
 
-void __init omap_serial_init(void)
+void __init omap_serial_early_init(void)
 {
         int i;
-        const struct omap_uart_config *info;
         char name[16];
 
         /*
@@ -574,23 +599,12 @@ void __init omap_serial_init(void)
          * if not needed.
          */
 
-        info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
-
-        if (info == NULL)
-                return;
-
         for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
                 struct omap_uart_state *uart = &omap_uart[i];
                 struct platform_device *pdev = &uart->pdev;
                 struct device *dev = &pdev->dev;
                 struct plat_serial8250_port *p = dev->platform_data;
 
-                if (!(info->enabled_uarts & (1 << i))) {
-                        p->membase = NULL;
-                        p->mapbase = 0;
-                        continue;
-                }
-
                 sprintf(name, "uart%d_ick", i+1);
                 uart->ick = clk_get(NULL, name);
                 if (IS_ERR(uart->ick)) {
@@ -605,8 +619,11 @@ void __init omap_serial_init(void)
                         uart->fck = NULL;
                 }
 
-                if (!uart->ick || !uart->fck)
-                        continue;
+                /* FIXME: Remove this once the clkdev is ready */
+                if (!cpu_is_omap44xx()) {
+                        if (!uart->ick || !uart->fck)
+                                continue;
+                }
 
                 uart->num = i;
                 p->private_data = uart;
@@ -617,6 +634,18 @@ void __init omap_serial_init(void)
                         p->irq += 32;
 
                 omap_uart_enable_clocks(uart);
+        }
+}
+
+void __init omap_serial_init(void)
+{
+        int i;
+
+        for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
+                struct omap_uart_state *uart = &omap_uart[i];
+                struct platform_device *pdev = &uart->pdev;
+                struct device *dev = &pdev->dev;
+
                 omap_uart_reset(uart);
                 omap_uart_idle_init(uart);