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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2021-06-18 05:49:00 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-21 13:16:32 +0200 |
| commit | c93f80849bdd9b45d834053ae1336e28f0026c84 (patch) | |
| tree | fad0fa9c610615763155c52958c1f3f84ff4b018 /arch/powerpc/boot/ns16550.c | |
| parent | powerpc/microwatt: Add microwatt_defconfig (diff) | |
| download | linux-c93f80849bdd9b45d834053ae1336e28f0026c84.tar.xz linux-c93f80849bdd9b45d834053ae1336e28f0026c84.zip | |
powerpc/boot: Fixup device-tree on little endian
This fixes the core devtree.c functions and the ns16550 UART backend.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/YMwXrPT8nc4YUdJ9@thinks.paulus.ozlabs.org
Diffstat (limited to 'arch/powerpc/boot/ns16550.c')
| -rw-r--r-- | arch/powerpc/boot/ns16550.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c index b0da4466d419..f16d2be1d0f3 100644 --- a/arch/powerpc/boot/ns16550.c +++ b/arch/powerpc/boot/ns16550.c @@ -15,6 +15,7 @@ #include "stdio.h" #include "io.h" #include "ops.h" +#include "of.h" #define UART_DLL 0 /* Out: Divisor Latch Low */ #define UART_DLM 1 /* Out: Divisor Latch High */ @@ -58,16 +59,20 @@ int ns16550_console_init(void *devp, struct serial_console_data *scdp) int n; u32 reg_offset; - if (dt_get_virtual_reg(devp, (void **)®_base, 1) < 1) + if (dt_get_virtual_reg(devp, (void **)®_base, 1) < 1) { + printf("virt reg parse fail...\r\n"); return -1; + } n = getprop(devp, "reg-offset", ®_offset, sizeof(reg_offset)); if (n == sizeof(reg_offset)) - reg_base += reg_offset; + reg_base += be32_to_cpu(reg_offset); n = getprop(devp, "reg-shift", ®_shift, sizeof(reg_shift)); if (n != sizeof(reg_shift)) reg_shift = 0; + else + reg_shift = be32_to_cpu(reg_shift); scdp->open = ns16550_open; scdp->putc = ns16550_putc; |