MIPS: BCM63XX: Add basic BCM6328 support

This includes CPU speed, memory size detection and working UART, but
lacking the appropriate drivers, no support for attached flash.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/3951/
Reviewed-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c
index 1051faedab2d..58371c7deac2 100644
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -60,6 +60,12 @@ static int __init bcm63xx_detect_flash_type(void)
         u32 val;
 
         switch (bcm63xx_get_cpu_id()) {
+        case BCM6328_CPU_ID:
+                val = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
+                if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
+                        return BCM63XX_FLASH_TYPE_SERIAL;
+                else
+                        return BCM63XX_FLASH_TYPE_NAND;
         case BCM6338_CPU_ID:
         case BCM6345_CPU_ID:
         case BCM6348_CPU_ID: