From 3d2066526c138fd8f4a801c5d00037edf02df90e Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sun, 25 Jan 2009 13:36:27 +0000 Subject: update 2.6.27 patches with upstream fixes from git repository and mailing-lists. via-rhine is still broken, thus not switching to 2.6.27 as default. SVN-Revision: 14173 --- .../patches-2.6.27/022-rb532_uart_autodetect.patch | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 target/linux/rb532/patches-2.6.27/022-rb532_uart_autodetect.patch (limited to 'target/linux/rb532/patches-2.6.27/022-rb532_uart_autodetect.patch') diff --git a/target/linux/rb532/patches-2.6.27/022-rb532_uart_autodetect.patch b/target/linux/rb532/patches-2.6.27/022-rb532_uart_autodetect.patch new file mode 100644 index 0000000000..ae42a4dbc5 --- /dev/null +++ b/target/linux/rb532/patches-2.6.27/022-rb532_uart_autodetect.patch @@ -0,0 +1,91 @@ +Auto-detection works just fine, so use it instead of specifying the type +manually. Also define a platform device for the uart, as suggested by +David Daney. + +Signed-off-by: Phil Sutter +--- + arch/mips/rb532/devices.c | 26 ++++++++++++++++++++++++++ + arch/mips/rb532/serial.c | 2 +- + 2 files changed, 27 insertions(+), 1 deletions(-) + +diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c +index c1c2918..9b6b744 100644 +--- a/arch/mips/rb532/devices.c ++++ b/arch/mips/rb532/devices.c +@@ -24,6 +24,7 @@ + #include + #include + #include ++#include + + #include + +@@ -39,6 +40,8 @@ + #define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET) + #define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET) + ++extern unsigned int idt_cpu_freq; ++ + static struct resource korina_dev0_res[] = { + { + .name = "korina_regs", +@@ -214,12 +217,32 @@ static struct platform_device rb532_wdt = { + .num_resources = ARRAY_SIZE(rb532_wdt_res), + }; + ++static struct plat_serial8250_port rb532_uart_res[] = { ++ { ++ .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE), ++ .irq = UART0_IRQ, ++ .regshift = 2, ++ .iotype = UPIO_MEM, ++ .flags = UPF_BOOT_AUTOCONF, ++ }, ++ { ++ .flags = 0, ++ } ++}; ++ ++static struct platform_device rb532_uart = { ++ .name = "serial8250", ++ .id = PLAT8250_DEV_PLATFORM, ++ .dev.platform_data = &rb532_uart_res, ++}; ++ + static struct platform_device *rb532_devs[] = { + &korina_dev0, + &nand_slot0, + &cf_slot0, + &rb532_led, + &rb532_button, ++ &rb532_uart, + &rb532_wdt + }; + +@@ -294,6 +317,9 @@ static int __init plat_setup_devices(void) + /* Initialise the NAND device */ + rb532_nand_setup(); + ++ /* set the uart clock to the current cpu frequency */ ++ rb532_uart_res[0].uartclk = idt_cpu_freq; ++ + return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs)); + } + +diff --git a/arch/mips/rb532/serial.c b/arch/mips/rb532/serial.c +index 3e0d7ec..00ed19f 100644 +--- a/arch/mips/rb532/serial.c ++++ b/arch/mips/rb532/serial.c +@@ -36,7 +36,7 @@ + extern unsigned int idt_cpu_freq; + + static struct uart_port rb532_uart = { +- .type = PORT_16550A, ++ .flags = UPF_BOOT_AUTOCONF, + .line = 0, + .irq = UART0_IRQ, + .iotype = UPIO_MEM, +-- +1.5.6.4 + + -- cgit v1.2.3