diff options
Diffstat (limited to 'arch/arm/mach-uniphier/arm32/debug_ll.S')
| -rw-r--r-- | arch/arm/mach-uniphier/arm32/debug_ll.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/arm32/debug_ll.S b/arch/arm/mach-uniphier/arm32/debug_ll.S index 9fe3eaadf1..e56e1f679c 100644 --- a/arch/arm/mach-uniphier/arm32/debug_ll.S +++ b/arch/arm/mach-uniphier/arm32/debug_ll.S @@ -16,9 +16,19 @@ #include CONFIG_DEBUG_LL_INCLUDE #endif +#define SG_REVISION_TYPE_SHIFT 16 +#define SG_REVISION_TYPE_MASK (0xff << SG_REVISION_TYPE_SHIFT) #define BAUDRATE 115200 #define DIV_ROUND(x, d) (((x) + ((d) / 2)) / (d)) +.macro sg_set_pinsel, pin, muxval, mux_bits, reg_stride, ra, rd + ldr \ra, =(SG_PINCTRL_BASE + \pin * \mux_bits / 32 * \reg_stride) + ldr \rd, [\ra] + and \rd, \rd, #~(((1 << \mux_bits) - 1) << (\pin * \mux_bits % 32)) + orr \rd, \rd, #(\muxval << (\pin * \mux_bits % 32)) + str \rd, [\ra] +.endm + ENTRY(debug_ll_init) ldr r0, =SG_REVISION ldr r1, [r0] |