Linux-2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 228 insertions, 0 deletions

diff --git a/arch/sh/boards/se/7751/setup.c b/arch/sh/boards/se/7751/setup.c
new file mode 100644
index 00000000000..9d111bb884f
--- /dev/null
+++ b/arch/sh/boards/se/7751/setup.c
@@ -0,0 +1,228 @@
+/* 
+ * linux/arch/sh/kernel/setup_7751se.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ * Modified for 7751 Solution Engine by
+ * Ian da Silva and Jeremy Siegel, 2001.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <linux/hdreg.h>
+#include <linux/ide.h>
+#include <asm/io.h>
+#include <asm/se7751/se7751.h>
+
+#ifdef CONFIG_SH_KGDB
+#include <asm/kgdb.h>
+#endif
+
+/*
+ * Configure the Super I/O chip
+ */
+#if 0
+/* Leftover code from regular Solution Engine, for reference. */
+/* The SH7751 Solution Engine has a different SuperIO. */
+static void __init smsc_config(int index, int data)
+{
+	outb_p(index, INDEX_PORT);
+	outb_p(data, DATA_PORT);
+}
+
+static void __init init_smsc(void)
+{
+	outb_p(CONFIG_ENTER, CONFIG_PORT);
+	outb_p(CONFIG_ENTER, CONFIG_PORT);
+
+	/* FDC */
+	smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
+
+	/* IDE1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
+
+	/* AUXIO (GPIO): to use IDE1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
+	smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
+	smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
+
+	/* COM1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IO_BASE_HI_INDEX, 0x03);
+	smsc_config(IO_BASE_LO_INDEX, 0xf8);
+	smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */
+
+	/* COM2 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IO_BASE_HI_INDEX, 0x02);
+	smsc_config(IO_BASE_LO_INDEX, 0xf8);
+	smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
+
+	/* RTC */
+	smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
+
+	/* XXX: PARPORT, KBD, and MOUSE will come here... */
+	outb_p(CONFIG_EXIT, CONFIG_PORT);
+}
+#endif
+
+const char *get_system_type(void)
+{
+	return "7751 SolutionEngine";
+}
+
+#ifdef CONFIG_SH_KGDB
+static int kgdb_uart_setup(void);
+static struct kgdb_sermap kgdb_uart_sermap = 
+{ "ttyS", 0, kgdb_uart_setup, NULL };
+#endif
+ 
+/*
+ * Initialize the board
+ */
+void __init platform_setup(void)
+{
+	/* Call init_smsc() replacement to set up SuperIO. */
+	/* XXX: RTC setting comes here */
+#ifdef CONFIG_SH_KGDB
+	kgdb_register_sermap(&kgdb_uart_sermap);
+#endif
+}
+
+/*********************************************************************
+ * Currently a hack (e.g. does not interact well w/serial.c, lots of *
+ * hardcoded stuff) but may be useful if SCI/F needs debugging.      *
+ * Mostly copied from x86 code (see files asm-i386/kgdb_local.h and  *
+ * arch/i386/lib/kgdb_serial.c).                                     *
+ *********************************************************************/
+
+#ifdef CONFIG_SH_KGDB
+#include <linux/types.h>
+#include <linux/serial.h>
+#include <linux/serialP.h>
+#include <linux/serial_reg.h>
+
+#define COM1_PORT 0x3f8  /* Base I/O address */
+#define COM1_IRQ  4      /* IRQ not used yet */
+#define COM2_PORT 0x2f8  /* Base I/O address */
+#define COM2_IRQ  3      /* IRQ not used yet */
+
+#define SB_CLOCK 1843200 /* Serial baud clock */
+#define SB_BASE (SB_CLOCK/16)
+#define SB_MCR UART_MCR_OUT2 | UART_MCR_DTR | UART_MCR_RTS
+
+struct uart_port {
+	int base;
+};
+#define UART_NPORTS 2
+struct uart_port uart_ports[] = {
+	{ COM1_PORT },
+	{ COM2_PORT },
+};
+struct uart_port *kgdb_uart_port;
+
+#define UART_IN(reg)	inb_p(kgdb_uart_port->base + reg)
+#define UART_OUT(reg,v)	outb_p((v), kgdb_uart_port->base + reg)
+
+/* Basic read/write functions for the UART */
+#define UART_LSR_RXCERR    (UART_LSR_BI | UART_LSR_FE | UART_LSR_PE)
+static int kgdb_uart_getchar(void)
+{
+	int lsr;
+	int c = -1;
+
+	while (c == -1) {
+		lsr = UART_IN(UART_LSR);
+		if (lsr & UART_LSR_DR) 
+			c = UART_IN(UART_RX);
+		if ((lsr & UART_LSR_RXCERR))
+			c = -1;
+	}
+	return c;
+}
+
+static void kgdb_uart_putchar(int c)
+{
+	while ((UART_IN(UART_LSR) & UART_LSR_THRE) == 0)
+		;
+	UART_OUT(UART_TX, c);
+}
+
+/*
+ * Initialize UART to configured/requested values.
+ * (But we don't interrupts yet, or interact w/serial.c)
+ */
+static int kgdb_uart_setup(void)
+{
+	int port;
+	int lcr = 0;
+	int bdiv = 0;
+
+	if (kgdb_portnum >= UART_NPORTS) {
+		KGDB_PRINTK("uart port %d invalid.\n", kgdb_portnum);
+		return -1;
+	}
+
+	kgdb_uart_port = &uart_ports[kgdb_portnum];
+
+	/* Init sequence from gdb_hook_interrupt */
+	UART_IN(UART_RX);
+	UART_OUT(UART_IER, 0);
+
+	UART_IN(UART_RX);	/* Serial driver comments say */
+	UART_IN(UART_IIR);	/* this clears interrupt regs */
+	UART_IN(UART_MSR);
+
+	/* Figure basic LCR values */
+	switch (kgdb_bits) {
+	case '7':
+		lcr |= UART_LCR_WLEN7;
+		break;
+	default: case '8': 
+		lcr |= UART_LCR_WLEN8;
+		break;
+	}
+	switch (kgdb_parity) {
+	case 'O':
+		lcr |= UART_LCR_PARITY;
+		break;
+	case 'E':
+		lcr |= (UART_LCR_PARITY | UART_LCR_EPAR);
+		break;
+	default: break;
+	}
+
+	/* Figure the baud rate divisor */
+	bdiv = (SB_BASE/kgdb_baud);
+	
+	/* Set the baud rate and LCR values */
+	UART_OUT(UART_LCR, (lcr | UART_LCR_DLAB));
+	UART_OUT(UART_DLL, (bdiv & 0xff));
+	UART_OUT(UART_DLM, ((bdiv >> 8) & 0xff));
+	UART_OUT(UART_LCR, lcr);
+
+	/* Set the MCR */
+	UART_OUT(UART_MCR, SB_MCR);
+
+	/* Turn off FIFOs for now */
+	UART_OUT(UART_FCR, 0);
+
+	/* Setup complete: initialize function pointers */
+	kgdb_getchar = kgdb_uart_getchar;
+	kgdb_putchar = kgdb_uart_putchar;
+
+	return 0;
+}
+#endif /* CONFIG_SH_KGDB */