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authorPaul Burton <paul.burton@imgtec.com>2015-05-24 16:11:45 +0100
committerRalf Baechle <ralf@linux-mips.org>2015-06-21 21:53:26 +0200
commit8838245d76b9bb2e20c9a7a977487d72c0117b9a (patch)
tree92fe537807b2078dae7b2a1f6f05ed7f8f25858d /arch/mips/jz4740/prom.c
parent0cf985f487be8e24237faaa8c96cbcf78382a498 (diff)
MIPS: JZ4740: use Ingenic SoC UART driver
Remove the serial support from arch/mips/jz4740 & make use of the new Ingenic SoC UART driver. This is done for both regular & early console output. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: linux-kernel@vger.kernel.org Cc: Brian Norris <computersforpeace@gmail.com> Cc: Apelete Seketeli <apelete@seketeli.net> Cc: Alexandre Courbot <gnurou@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/10160/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/jz4740/prom.c')
-rw-r--r--arch/mips/jz4740/prom.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/mips/jz4740/prom.c b/arch/mips/jz4740/prom.c
index 5a93f381590d..6984683c90d0 100644
--- a/arch/mips/jz4740/prom.c
+++ b/arch/mips/jz4740/prom.c
@@ -53,16 +53,3 @@ void __init prom_init(void)
void __init prom_free_prom_memory(void)
{
}
-
-#define UART_REG(_reg) ((void __iomem *)CKSEG1ADDR(JZ4740_UART0_BASE_ADDR + (_reg << 2)))
-
-void prom_putchar(char c)
-{
- uint8_t lsr;
-
- do {
- lsr = readb(UART_REG(UART_LSR));
- } while ((lsr & UART_LSR_TEMT) == 0);
-
- writeb(c, UART_REG(UART_TX));
-}