powerpc: Remove arch/ppc and include/asm-ppc

[safe/jmp/linux-2.6] / arch / ppc / boot / simple / mpc52xx_tty.c

diff --git a/arch/ppc/boot/simple/mpc52xx_tty.c b/arch/ppc/boot/simple/mpc52xx_tty.c
deleted file mode 100644 (file)
index 6955891..0000000
--- a/arch/ppc/boot/simple/mpc52xx_tty.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Minimal serial functions needed to send messages out a MPC52xx
- * Programmable Serial Controller (PSC).
- *
- * Author: Dale Farnsworth <dfarnsworth@mvista.com>
- *
- * 2003-2004 (c) MontaVista, Software, Inc.  This file is licensed under the
- * terms of the GNU General Public License version 2.  This program is licensed
- * "as is" without any warranty of any kind, whether express or implied.
- */
-
-#include <linux/types.h>
-#include <asm/uaccess.h>
-#include <asm/mpc52xx.h>
-#include <asm/mpc52xx_psc.h>
-#include <asm/serial.h>
-#include <asm/io.h>
-#include <asm/time.h>
-
-
-#ifdef MPC52xx_PF_CONSOLE_PORT
-#define MPC52xx_CONSOLE MPC52xx_PSCx_OFFSET(MPC52xx_PF_CONSOLE_PORT)
-#define MPC52xx_PSC_CONFIG_SHIFT ((MPC52xx_PF_CONSOLE_PORT-1)<<2)
-#else
-#error "MPC52xx_PF_CONSOLE_PORT not defined"
-#endif
-
-static struct mpc52xx_psc __iomem *psc =
-       (struct mpc52xx_psc __iomem *) MPC52xx_PA(MPC52xx_CONSOLE);
-
-/* The decrementer counts at the system bus clock frequency
- * divided by four.  The most accurate time base is connected to the
- * rtc.  We read the decrementer change during one rtc tick
- * and multiply by 4 to get the system bus clock frequency. Since a
- * rtc tick is one seconds, and that's pretty long, we change the rtc
- * dividers temporarily to set them 64x faster ;)
- */
-static int
-mpc52xx_ipbfreq(void)
-{
-       struct mpc52xx_rtc __iomem *rtc =
-               (struct mpc52xx_rtc __iomem *) MPC52xx_PA(MPC52xx_RTC_OFFSET);
-       struct mpc52xx_cdm __iomem *cdm =
-               (struct mpc52xx_cdm __iomem *) MPC52xx_PA(MPC52xx_CDM_OFFSET);
-       int current_time, previous_time;
-       int tbl_start, tbl_end;
-       int xlbfreq, ipbfreq;
-
-       out_be32(&rtc->dividers, 0x8f1f0000);   /* Set RTC 64x faster */
-       previous_time = in_be32(&rtc->time);
-       while ((current_time = in_be32(&rtc->time)) == previous_time) ;
-       tbl_start = get_tbl();
-       previous_time = current_time;
-       while ((current_time = in_be32(&rtc->time)) == previous_time) ;
-       tbl_end = get_tbl();
-       out_be32(&rtc->dividers, 0xffff0000);   /* Restore RTC */
-
-       xlbfreq = (tbl_end - tbl_start) << 8;
-       ipbfreq = (in_8(&cdm->ipb_clk_sel) & 1) ? xlbfreq / 2 : xlbfreq;
-
-       return ipbfreq;
-}
-
-unsigned long
-serial_init(int ignored, void *ignored2)
-{
-       struct mpc52xx_gpio __iomem *gpio =
-               (struct mpc52xx_gpio __iomem *) MPC52xx_PA(MPC52xx_GPIO_OFFSET);
-       int divisor;
-       int mode1;
-       int mode2;
-       u32 val32;
-
-       static int been_here = 0;
-
-       if (been_here)
-               return 0;
-
-       been_here = 1;
-
-       val32 = in_be32(&gpio->port_config);
-       val32 &= ~(0x7 << MPC52xx_PSC_CONFIG_SHIFT);
-       val32 |= MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD
-                               << MPC52xx_PSC_CONFIG_SHIFT;
-       out_be32(&gpio->port_config, val32);
-
-       out_8(&psc->command, MPC52xx_PSC_RST_TX
-                       | MPC52xx_PSC_RX_DISABLE | MPC52xx_PSC_TX_ENABLE);
-       out_8(&psc->command, MPC52xx_PSC_RST_RX);
-
-       out_be32(&psc->sicr, 0x0);
-       out_be16(&psc->mpc52xx_psc_clock_select, 0xdd00);
-       out_be16(&psc->tfalarm, 0xf8);
-
-       out_8(&psc->command, MPC52xx_PSC_SEL_MODE_REG_1
-                       | MPC52xx_PSC_RX_ENABLE
-                       | MPC52xx_PSC_TX_ENABLE);
-
-       divisor = ((mpc52xx_ipbfreq()
-                       / (CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD * 16)) + 1) >> 1;
-
-       mode1 = MPC52xx_PSC_MODE_8_BITS | MPC52xx_PSC_MODE_PARNONE
-                       | MPC52xx_PSC_MODE_ERR;
-       mode2 = MPC52xx_PSC_MODE_ONE_STOP;
-
-       out_8(&psc->ctur, divisor>>8);
-       out_8(&psc->ctlr, divisor);
-       out_8(&psc->command, MPC52xx_PSC_SEL_MODE_REG_1);
-       out_8(&psc->mode, mode1);
-       out_8(&psc->mode, mode2);
-
-       return 0;       /* ignored */
-}
-
-void
-serial_putc(void *ignored, const char c)
-{
-       serial_init(0, NULL);
-
-       while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXEMP)) ;
-       out_8(&psc->mpc52xx_psc_buffer_8, c);
-       while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXEMP)) ;
-}
-
-char
-serial_getc(void *ignored)
-{
-       while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_RXRDY)) ;
-
-       return in_8(&psc->mpc52xx_psc_buffer_8);
-}
-
-int
-serial_tstc(void *ignored)
-{
-       return (in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_RXRDY) != 0;
-}