bcma: add serial console support

This adds support for serial console to bcma, when operating on an SoC.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h
index 03cde8d22e5f..b9a930eb44cd 100644
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -241,6 +241,9 @@
 #define BCMA_CC_SPROM                   0x0800 /* SPROM beginning */
 #define BCMA_CC_SPROM_PCIE6             0x0830 /* SPROM beginning on PCIe rev >= 6 */
 
+/* ALP clock on pre-PMU chips */
+#define BCMA_CC_PMU_ALP_CLOCK           20000000
+
 /* Data for the PMU, if available.
  * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
  */
@@ -255,6 +258,14 @@ struct bcma_pflash {
         u32 window;
         u32 window_size;
 };
+
+struct bcma_serial_port {
+        void *regs;
+        unsigned long clockspeed;
+        unsigned int irq;
+        unsigned int baud_base;
+        unsigned int reg_shift;
+};
 #endif /* CONFIG_BCMA_DRIVER_MIPS */
 
 struct bcma_drv_cc {
@@ -268,6 +279,9 @@ struct bcma_drv_cc {
         struct bcma_chipcommon_pmu pmu;
 #ifdef CONFIG_BCMA_DRIVER_MIPS
         struct bcma_pflash pflash;
+
+        int nr_serial_ports;
+        struct bcma_serial_port serial_ports[4];
 #endif /* CONFIG_BCMA_DRIVER_MIPS */
 };