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-rw-r--r--arch/mips/Kconfig3
-rw-r--r--arch/mips/cobalt/Makefile2
-rw-r--r--arch/mips/cobalt/buttons.c54
-rw-r--r--arch/mips/kernel/vmlinux.lds.S2
-rw-r--r--arch/mips/lib/iomap.c1
-rw-r--r--arch/mips/pmc-sierra/msp71xx/msp_serial.c165
6 files changed, 224 insertions, 3 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 130d825e543..7441a2cf523 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1042,6 +1042,9 @@ config SOC_AU1X00
select SYS_SUPPORTS_APM_EMULATION
select SYS_SUPPORTS_KGDB
+config SERIAL_RM9000
+ bool
+
config PNX8550
bool
select SOC_PNX8550
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
index de017c11f9b..9565b2104dc 100644
--- a/arch/mips/cobalt/Makefile
+++ b/arch/mips/cobalt/Makefile
@@ -2,7 +2,7 @@
# Makefile for the Cobalt micro systems family specific parts of the kernel
#
-obj-y := irq.o reset.o setup.o
+obj-y := irq.o reset.o setup.o buttons.o
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_EARLY_PRINTK) += console.o
diff --git a/arch/mips/cobalt/buttons.c b/arch/mips/cobalt/buttons.c
new file mode 100644
index 00000000000..9e143989c7b
--- /dev/null
+++ b/arch/mips/cobalt/buttons.c
@@ -0,0 +1,54 @@
+/*
+ * Cobalt buttons platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/platform_device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+
+static struct resource cobalt_buttons_resource __initdata = {
+ .start = 0x1d000000,
+ .end = 0x1d000003,
+ .flags = IORESOURCE_MEM,
+};
+
+static __init int cobalt_add_buttons(void)
+{
+ struct platform_device *pd;
+ int error;
+
+ pd = platform_device_alloc("Cobalt buttons", -1);
+ if (!pd)
+ return -ENOMEM;
+
+ error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1);
+ if (error)
+ goto err_free_device;
+
+ error = platform_device_add(pd);
+ if (error)
+ goto err_free_device;
+
+ return 0;
+
+ err_free_device:
+ platform_device_put(pd);
+ return error;
+}
+device_initcall(cobalt_add_buttons);
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index c76b793310c..043f637e3d1 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -119,7 +119,7 @@ SECTIONS
.init.ramfs : { *(.init.ramfs) }
__initramfs_end = .;
#endif
- . = ALIGN(32);
+ . = ALIGN(_PAGE_SIZE);
__per_cpu_start = .;
.data.percpu : { *(.data.percpu) }
__per_cpu_end = .;
diff --git a/arch/mips/lib/iomap.c b/arch/mips/lib/iomap.c
index d51d5cb0a4a..e3acb2dad33 100644
--- a/arch/mips/lib/iomap.c
+++ b/arch/mips/lib/iomap.c
@@ -6,7 +6,6 @@
* (C) Copyright 2007 MIPS Technologies, Inc.
* written by Ralf Baechle <ralf@linux-mips.org>
*/
-#include <linux/pci.h>
#include <linux/module.h>
#include <asm/io.h>
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_serial.c b/arch/mips/pmc-sierra/msp71xx/msp_serial.c
new file mode 100644
index 00000000000..c41b53faa8f
--- /dev/null
+++ b/arch/mips/pmc-sierra/msp71xx/msp_serial.c
@@ -0,0 +1,165 @@
+/*
+ * The setup file for serial related hardware on PMC-Sierra MSP processors.
+ *
+ * Copyright 2005 PMC-Sierra, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/serial_reg.h>
+
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/serial.h>
+
+#include <msp_prom.h>
+#include <msp_int.h>
+#include <msp_regs.h>
+
+#ifdef CONFIG_KGDB
+/*
+ * kgdb uses serial port 1 so the console can remain on port 0.
+ * To use port 0 change the definition to read as follows:
+ * #define DEBUG_PORT_BASE KSEG1ADDR(MSP_UART0_BASE)
+ */
+#define DEBUG_PORT_BASE KSEG1ADDR(MSP_UART1_BASE)
+
+int putDebugChar(char c)
+{
+ volatile uint32_t *uart = (volatile uint32_t *)DEBUG_PORT_BASE;
+ uint32_t val = (uint32_t)c;
+
+ local_irq_disable();
+ while( !(uart[5] & 0x20) ); /* Wait for TXRDY */
+ uart[0] = val;
+ while( !(uart[5] & 0x20) ); /* Wait for TXRDY */
+ local_irq_enable();
+
+ return 1;
+}
+
+char getDebugChar(void)
+{
+ volatile uint32_t *uart = (volatile uint32_t *)DEBUG_PORT_BASE;
+ uint32_t val;
+
+ while( !(uart[5] & 0x01) ); /* Wait for RXRDY */
+ val = uart[0];
+
+ return (char)val;
+}
+
+void initDebugPort(unsigned int uartclk, unsigned int baudrate)
+{
+ unsigned int baud_divisor = (uartclk + 8 * baudrate)/(16 * baudrate);
+
+ /* Enable FIFOs */
+ writeb(UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR |
+ UART_FCR_CLEAR_XMIT | UART_FCR_TRIGGER_4,
+ (char *)DEBUG_PORT_BASE + (UART_FCR * 4));
+
+ /* Select brtc divisor */
+ writeb(UART_LCR_DLAB, (char *)DEBUG_PORT_BASE + (UART_LCR * 4));
+
+ /* Store divisor lsb */
+ writeb(baud_divisor, (char *)DEBUG_PORT_BASE + (UART_TX * 4));
+
+ /* Store divisor msb */
+ writeb(baud_divisor >> 8, (char *)DEBUG_PORT_BASE + (UART_IER * 4));
+
+ /* Set 8N1 mode */
+ writeb(UART_LCR_WLEN8, (char *)DEBUG_PORT_BASE + (UART_LCR * 4));
+
+ /* Disable flow control */
+ writeb(0, (char *)DEBUG_PORT_BASE + (UART_MCR * 4));
+
+ /* Disable receive interrupt(!) */
+ writeb(0, (char *)DEBUG_PORT_BASE + (UART_IER * 4));
+}
+#endif
+
+void __init msp_serial_setup(void)
+{
+ char *s;
+ char *endp;
+ struct uart_port up;
+ unsigned int uartclk;
+
+ memset(&up, 0, sizeof(up));
+
+ /* Check if clock was specified in environment */
+ s = prom_getenv("uartfreqhz");
+ if(!(s && *s && (uartclk = simple_strtoul(s, &endp, 10)) && *endp == 0))
+ uartclk = MSP_BASE_BAUD;
+ ppfinit("UART clock set to %d\n", uartclk);
+
+ /* Initialize first serial port */
+ up.mapbase = MSP_UART0_BASE;
+ up.membase = ioremap_nocache(up.mapbase,MSP_UART_REG_LEN);
+ up.irq = MSP_INT_UART0;
+ up.uartclk = uartclk;
+ up.regshift = 2;
+ up.iotype = UPIO_DWAPB; /* UPIO_MEM like */
+ up.flags = STD_COM_FLAGS;
+ up.type = PORT_16550A;
+ up.line = 0;
+ up.private_data = (void*)UART0_STATUS_REG;
+ if (early_serial_setup(&up))
+ printk(KERN_ERR "Early serial init of port 0 failed\n");
+
+ /* Initialize the second serial port, if one exists */
+ switch (mips_machtype) {
+ case MACH_MSP4200_EVAL:
+ case MACH_MSP4200_GW:
+ case MACH_MSP4200_FPGA:
+ case MACH_MSP7120_EVAL:
+ case MACH_MSP7120_GW:
+ case MACH_MSP7120_FPGA:
+ /* Enable UART1 on MSP4200 and MSP7120 */
+ *GPIO_CFG2_REG = 0x00002299;
+
+#ifdef CONFIG_KGDB
+ /* Initialize UART1 for kgdb since PMON doesn't */
+ if( DEBUG_PORT_BASE == KSEG1ADDR(MSP_UART1_BASE) ) {
+ if( mips_machtype == MACH_MSP4200_FPGA
+ || mips_machtype == MACH_MSP7120_FPGA )
+ initDebugPort(uartclk,19200);
+ else
+ initDebugPort(uartclk,57600);
+ }
+#endif
+ break;
+
+ default:
+ return; /* No second serial port, good-bye. */
+ }
+
+ up.mapbase = MSP_UART1_BASE;
+ up.membase = ioremap_nocache(up.mapbase,MSP_UART_REG_LEN);
+ up.irq = MSP_INT_UART1;
+ up.line = 1;
+ up.private_data = (void*)UART1_STATUS_REG;
+ if (early_serial_setup(&up))
+ printk(KERN_ERR "Early serial init of port 1 failed\n");
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 10:29:35 +0000