Merge commit 'v2.6.27-rc7' into x86/debug

1 files changed, 128 insertions, 0 deletions

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 8c60c78b9a9e..fe6bee09cece 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -20,9 +20,13 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
+#include <asm/reboot.h>
 #include <asm/txx9/generic.h>
+#include <asm/txx9/pci.h>
 #ifdef CONFIG_CPU_TX49XX
 #include <asm/txx9/tx4938.h>
 #endif
@@ -49,6 +53,7 @@ txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size)
 		txx9_ce_res[i].name = txx9_ce_res_name[i];
 	}
 
+	txx9_pcode = pcode;
 	sprintf(txx9_pcode_str, "TX%x", pcode);
 	if (base) {
 		txx9_reg_res.start = base & 0xfffffffffULL;
@@ -187,6 +192,117 @@ char * __init prom_getcmdline(void)
 	return &(arcs_cmdline[0]);
 }
 
+static void __noreturn txx9_machine_halt(void)
+{
+	local_irq_disable();
+	clear_c0_status(ST0_IM);
+	while (1) {
+		if (cpu_wait) {
+			(*cpu_wait)();
+			if (cpu_has_counter) {
+				/*
+				 * Clear counter interrupt while it
+				 * breaks WAIT instruction even if
+				 * masked.
+				 */
+				write_c0_compare(0);
+			}
+		}
+	}
+}
+
+/* Watchdog support */
+void __init txx9_wdt_init(unsigned long base)
+{
+	struct resource res = {
+		.start	= base,
+		.end	= base + 0x100 - 1,
+		.flags	= IORESOURCE_MEM,
+	};
+	platform_device_register_simple("txx9wdt", -1, &res, 1);
+}
+
+/* SPI support */
+void __init txx9_spi_init(int busid, unsigned long base, int irq)
+{
+	struct resource res[] = {
+		{
+			.start	= base,
+			.end	= base + 0x20 - 1,
+			.flags	= IORESOURCE_MEM,
+		}, {
+			.start	= irq,
+			.flags	= IORESOURCE_IRQ,
+		},
+	};
+	platform_device_register_simple("spi_txx9", busid,
+					res, ARRAY_SIZE(res));
+}
+
+void __init txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr)
+{
+	struct platform_device *pdev =
+		platform_device_alloc("tc35815-mac", id);
+	if (!pdev ||
+	    platform_device_add_data(pdev, ethaddr, 6) ||
+	    platform_device_add(pdev))
+		platform_device_put(pdev);
+}
+
+void __init txx9_sio_init(unsigned long baseaddr, int irq,
+			  unsigned int line, unsigned int sclk, int nocts)
+{
+#ifdef CONFIG_SERIAL_TXX9
+	struct uart_port req;
+
+	memset(&req, 0, sizeof(req));
+	req.line = line;
+	req.iotype = UPIO_MEM;
+	req.membase = ioremap(baseaddr, 0x24);
+	req.mapbase = baseaddr;
+	req.irq = irq;
+	if (!nocts)
+		req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
+	if (sclk) {
+		req.flags |= UPF_MAGIC_MULTIPLIER /*USE_SCLK*/;
+		req.uartclk = sclk;
+	} else
+		req.uartclk = TXX9_IMCLK;
+	early_serial_txx9_setup(&req);
+#endif /* CONFIG_SERIAL_TXX9 */
+}
+
+#ifdef CONFIG_EARLY_PRINTK
+static void __init null_prom_putchar(char c)
+{
+}
+void (*txx9_prom_putchar)(char c) __initdata = null_prom_putchar;
+
+void __init prom_putchar(char c)
+{
+	txx9_prom_putchar(c);
+}
+
+static void __iomem *early_txx9_sio_port;
+
+static void __init early_txx9_sio_putchar(char c)
+{
+#define TXX9_SICISR	0x0c
+#define TXX9_SITFIFO	0x1c
+#define TXX9_SICISR_TXALS	0x00000002
+	while (!(__raw_readl(early_txx9_sio_port + TXX9_SICISR) &
+		 TXX9_SICISR_TXALS))
+		;
+	__raw_writel(c, early_txx9_sio_port + TXX9_SITFIFO);
+}
+
+void __init txx9_sio_putchar_init(unsigned long baseaddr)
+{
+	early_txx9_sio_port = ioremap(baseaddr, 0x24);
+	txx9_prom_putchar = early_txx9_sio_putchar;
+}
+#endif /* CONFIG_EARLY_PRINTK */
+
 /* wrappers */
 void __init plat_mem_setup(void)
 {
@@ -194,6 +310,15 @@ void __init plat_mem_setup(void)
 	ioport_resource.end = ~0UL;	/* no limit */
 	iomem_resource.start = 0;
 	iomem_resource.end = ~0UL;	/* no limit */
+
+	/* fallback restart/halt routines */
+	_machine_restart = (void (*)(char *))txx9_machine_halt;
+	_machine_halt = txx9_machine_halt;
+	pm_power_off = txx9_machine_halt;
+
+#ifdef CONFIG_PCI
+	pcibios_plat_setup = txx9_pcibios_setup;
+#endif
 	txx9_board_vec->mem_setup();
 }
 
@@ -204,6 +329,9 @@ void __init arch_init_irq(void)
 
 void __init plat_time_init(void)
 {
+#ifdef CONFIG_CPU_TX49XX
+	mips_hpt_frequency = txx9_cpu_clock / 2;
+#endif
 	txx9_board_vec->time_init();
 }