ARM: sun9i: smp: Add is_a83t field

To prepare the support of sun8i-a83t, add a field in the smp_data
structure to know if we are on sun9i-a80 or sun8i-a83t.

Add also a global variable to retrieve which architecture we are
having.

Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c
index 03f021d..fc10e3a 100644 (file)
--- a/arch/arm/mach-sunxi/mc_smp.c
+++ b/arch/arm/mach-sunxi/mc_smp.c
@@ -74,6 +74,7 @@ static void __iomem *sram_b_smp_base;
 
 extern void sunxi_mc_smp_secondary_startup(void);
 extern void sunxi_mc_smp_resume(void);
+static bool is_a83t;
 
 static bool sunxi_core_is_cortex_a15(unsigned int core, unsigned int cluster)
 {
@@ -624,6 +625,7 @@ struct sunxi_mc_smp_nodes {
 struct sunxi_mc_smp_data {
        const char *enable_method;
        int (*get_smp_nodes)(struct sunxi_mc_smp_nodes *nodes);
+       bool is_a83t;
 };
 
 static void __init sunxi_mc_smp_put_nodes(struct sunxi_mc_smp_nodes *nodes)
@@ -697,6 +699,8 @@ static int __init sunxi_mc_smp_init(void)
                        break;
        }
 
+       is_a83t = sunxi_mc_smp_data[i].is_a83t;
+
        of_node_put(node);
        if (ret)
                return -ENODEV;