91 lines
2.3 KiB
Diff
91 lines
2.3 KiB
Diff
Auto-detection works just fine, so use it instead of specifying the type
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manually. Also define a platform device for the uart, as suggested by
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David Daney.
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Signed-off-by: Phil Sutter <n0-1@freewrt.org>
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---
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arch/mips/rb532/devices.c | 26 ++++++++++++++++++++++++++
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arch/mips/rb532/serial.c | 2 +-
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2 files changed, 27 insertions(+), 1 deletions(-)
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diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
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index c1c2918..9b6b744 100644
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--- a/arch/mips/rb532/devices.c
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+++ b/arch/mips/rb532/devices.c
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@@ -24,6 +24,7 @@
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#include <linux/mtd/partitions.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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+#include <linux/serial_8250.h>
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#include <asm/bootinfo.h>
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@@ -39,6 +40,8 @@
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#define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET)
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#define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET)
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+extern unsigned int idt_cpu_freq;
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+
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static struct resource korina_dev0_res[] = {
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{
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.name = "korina_regs",
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@@ -214,12 +217,32 @@ static struct platform_device rb532_wdt = {
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.num_resources = ARRAY_SIZE(rb532_wdt_res),
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};
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+static struct plat_serial8250_port rb532_uart_res[] = {
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+ {
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+ .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
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+ .irq = UART0_IRQ,
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+ .regshift = 2,
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+ .iotype = UPIO_MEM,
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+ .flags = UPF_BOOT_AUTOCONF,
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+ },
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+ {
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+ .flags = 0,
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+ }
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+};
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+
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+static struct platform_device rb532_uart = {
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+ .name = "serial8250",
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+ .id = PLAT8250_DEV_PLATFORM,
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+ .dev.platform_data = &rb532_uart_res,
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+};
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+
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static struct platform_device *rb532_devs[] = {
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&korina_dev0,
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&nand_slot0,
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&cf_slot0,
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&rb532_led,
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&rb532_button,
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+ &rb532_uart,
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&rb532_wdt
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};
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@@ -294,6 +317,9 @@ static int __init plat_setup_devices(void)
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/* Initialise the NAND device */
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rb532_nand_setup();
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+ /* set the uart clock to the current cpu frequency */
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+ rb532_uart_res[0].uartclk = idt_cpu_freq;
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+
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return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs));
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}
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diff --git a/arch/mips/rb532/serial.c b/arch/mips/rb532/serial.c
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index 3e0d7ec..00ed19f 100644
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--- a/arch/mips/rb532/serial.c
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+++ b/arch/mips/rb532/serial.c
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@@ -36,7 +36,7 @@
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extern unsigned int idt_cpu_freq;
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static struct uart_port rb532_uart = {
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- .type = PORT_16550A,
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+ .flags = UPF_BOOT_AUTOCONF,
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.line = 0,
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.irq = UART0_IRQ,
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.iotype = UPIO_MEM,
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--
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1.5.6.4
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