mips: octeon: cpu.c: Add table for selective swapping

Import octeon_should_swizzle_table[] which is needed for the area
specific swapping. It will be used by the platform specific
mangle-port.h header.

Imported from Linux v5.7.

Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/arch/mips/mach-octeon/cpu.c b/arch/mips/mach-octeon/cpu.c
index 2680a2e..6f87a4e 100644 (file)
--- a/arch/mips/mach-octeon/cpu.c
+++ b/arch/mips/mach-octeon/cpu.c
@@ -13,6 +13,27 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+/*
+ * TRUE for devices having registers with little-endian byte
+ * order, FALSE for registers with native-endian byte order.
+ * PCI mandates little-endian, USB and SATA are configurable,
+ * but we chose little-endian for these.
+ *
+ * This table will be referened in the Octeon platform specific
+ * mangle-port.h header.
+ */
+const bool octeon_should_swizzle_table[256] = {
+       [0x00] = true,  /* bootbus/CF */
+       [0x1b] = true,  /* PCI mmio window */
+       [0x1c] = true,  /* PCI mmio window */
+       [0x1d] = true,  /* PCI mmio window */
+       [0x1e] = true,  /* PCI mmio window */
+       [0x68] = true,  /* OCTEON III USB */
+       [0x69] = true,  /* OCTEON III USB */
+       [0x6c] = true,  /* OCTEON III SATA */
+       [0x6f] = true,  /* OCTEON II USB */
+};
+
 static int get_clocks(void)
 {
        const u64 ref_clock = PLL_REF_CLK;