diff options
Diffstat (limited to 'package/uboot-lantiq/files/cpu/mips')
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/ar9-clock.c | 67 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/ar9/Makefile | 46 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/ar9/clock.c | 67 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/ar9/ifx_cache.S | 60 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/danube-clock.c | 65 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/danube/Makefile | 46 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/danube/clock.c | 65 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/danube/ifx_cache.S | 60 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/ifx_asc.c | 218 | ||||
| -rw-r--r-- | package/uboot-lantiq/files/cpu/mips/ifx_asc.h | 199 |
10 files changed, 893 insertions, 0 deletions
diff --git a/package/uboot-lantiq/files/cpu/mips/ar9-clock.c b/package/uboot-lantiq/files/cpu/mips/ar9-clock.c new file mode 100644 index 000000000..a8aecb422 --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/ar9-clock.c @@ -0,0 +1,67 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/ar9.h> + +ulong ifx_get_ddr_hz(void) +{ + switch((*AR9_CGU_SYS) & 0x05) { + case 0x01: + case 0x05: + return CLOCK_111M; + + case 0x00: + case 0x04: + return CLOCK_166M; + } + + return 0; +} + +ulong ifx_get_cpuclk(void) +{ + switch((*AR9_CGU_SYS) & 0x05) { + case 0x00: + case 0x01: + return CLOCK_333M; + + case 0x04: + return CLOCK_166M; + + case 0x05: + return CLOCK_111M; + } + + return 0; +} + +ulong get_bus_freq(ulong dummy) +{ + unsigned int ddr_clock=ifx_get_ddr_hz(); + if((*AR9_CGU_SYS) & 0x40){ + return ddr_clock/2; + } else { + return ddr_clock; + } +} diff --git a/package/uboot-lantiq/files/cpu/mips/ar9/Makefile b/package/uboot-lantiq/files/cpu/mips/ar9/Makefile new file mode 100644 index 000000000..c48d02eaa --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/ar9/Makefile @@ -0,0 +1,46 @@ +######################################################################### +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).a + +COBJS = clock.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/package/uboot-lantiq/files/cpu/mips/ar9/clock.c b/package/uboot-lantiq/files/cpu/mips/ar9/clock.c new file mode 100644 index 000000000..a8aecb422 --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/ar9/clock.c @@ -0,0 +1,67 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/ar9.h> + +ulong ifx_get_ddr_hz(void) +{ + switch((*AR9_CGU_SYS) & 0x05) { + case 0x01: + case 0x05: + return CLOCK_111M; + + case 0x00: + case 0x04: + return CLOCK_166M; + } + + return 0; +} + +ulong ifx_get_cpuclk(void) +{ + switch((*AR9_CGU_SYS) & 0x05) { + case 0x00: + case 0x01: + return CLOCK_333M; + + case 0x04: + return CLOCK_166M; + + case 0x05: + return CLOCK_111M; + } + + return 0; +} + +ulong get_bus_freq(ulong dummy) +{ + unsigned int ddr_clock=ifx_get_ddr_hz(); + if((*AR9_CGU_SYS) & 0x40){ + return ddr_clock/2; + } else { + return ddr_clock; + } +} diff --git a/package/uboot-lantiq/files/cpu/mips/ar9/ifx_cache.S b/package/uboot-lantiq/files/cpu/mips/ar9/ifx_cache.S new file mode 100644 index 000000000..fc482dcd6 --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/ar9/ifx_cache.S @@ -0,0 +1,60 @@ + +#define IFX_CACHE_EXTRA_INVALID_TAG \ + mtc0 zero, CP0_TAGLO, 1; \ + mtc0 zero, CP0_TAGLO, 2; \ + mtc0 zero, CP0_TAGLO, 3; \ + mtc0 zero, CP0_TAGLO, 4; + +#define IFX_CACHE_EXTRA_OPERATION \ + /* set WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ECCF_WST; \ + or a0, a1; \ + mtc0 a0, CP0_ECC; \ + \ + li a0, K0BASE; \ + move a2, t2; /* icacheSize */ \ + move a3, t4; /* icacheLineSize */ \ + move a1, a2; \ + icacheop(a0,a1,a2,a3,(Index_Store_Tag_I)); \ + \ + /* clear WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ~ECCF_WST; \ + and a0, a1; \ + mtc0 a0, CP0_ECC; \ + \ + /* 1: initialise dcache tags. */ \ + \ + /* cache line size */ \ + li a2, CFG_CACHELINE_SIZE; \ + /* kseg0 mem address */ \ + li a1, 0; \ + li a3, CFG_CACHE_SETS * CFG_CACHE_WAYS; \ +1: \ + /* store tag (invalid, not locked) */ \ + cache 0x8, 0(a1); \ + cache 0x9, 0(a1); \ + \ + add a3, -1; \ + bne a3, zero, 1b; \ + add a1, a2; \ + \ + /* set WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ECCF_WST; \ + or a0, a1; \ + mtc0 a0, CP0_ECC; \ + \ + li a0, K0BASE; \ + move a2, t3; /* dcacheSize */ \ + move a3, t5; /* dcacheLineSize */ \ + move a1, a2; \ + icacheop(a0,a1,a2,a3,(Index_Store_Tag_D)); \ + \ + /* clear WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ~ECCF_WST; \ + and a0, a1; \ + mtc0 a0, CP0_ECC; + diff --git a/package/uboot-lantiq/files/cpu/mips/danube-clock.c b/package/uboot-lantiq/files/cpu/mips/danube-clock.c new file mode 100644 index 000000000..4219f8f92 --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/danube-clock.c @@ -0,0 +1,65 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/danube.h> + +ulong ifx_get_ddr_hz(void) +{ + static const ulong ddr_freq[] = {166666667,133333333,111111111,83333333}; + return ddr_freq[((*DANUBE_CGU_SYS) & 0x3)]; +} + +ulong ifx_get_cpuclk(void) +{ +#ifdef CONFIG_USE_EMULATOR + return EMULATOR_CPU_SPEED; +#else //NOT CONFIG_USE_EMULATOR + unsigned int ddr_clock=ifx_get_ddr_hz(); + switch((*DANUBE_CGU_SYS) & 0xc){ + case 0: + default: + return 323333333; + case 4: + return ddr_clock; + case 8: + return ddr_clock << 1; + } +#endif +} + +ulong get_bus_freq(ulong dummy) +{ +#ifdef CONFIG_USE_EMULATOR + unsigned int clkCPU; + clkCPU = ifx_get_cpuclk(); + return clkCPU >> 2; +#else //NOT CONFIG_USE_EMULATOR + unsigned int ddr_clock=ifx_get_ddr_hz(); + if ((*DANUBE_CGU_SYS) & 0x40){ + return ddr_clock >> 1; + } + return ddr_clock; +#endif +} + diff --git a/package/uboot-lantiq/files/cpu/mips/danube/Makefile b/package/uboot-lantiq/files/cpu/mips/danube/Makefile new file mode 100644 index 000000000..c48d02eaa --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/danube/Makefile @@ -0,0 +1,46 @@ +######################################################################### +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).a + +COBJS = clock.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/package/uboot-lantiq/files/cpu/mips/danube/clock.c b/package/uboot-lantiq/files/cpu/mips/danube/clock.c new file mode 100644 index 000000000..4219f8f92 --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/danube/clock.c @@ -0,0 +1,65 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/danube.h> + +ulong ifx_get_ddr_hz(void) +{ + static const ulong ddr_freq[] = {166666667,133333333,111111111,83333333}; + return ddr_freq[((*DANUBE_CGU_SYS) & 0x3)]; +} + +ulong ifx_get_cpuclk(void) +{ +#ifdef CONFIG_USE_EMULATOR + return EMULATOR_CPU_SPEED; +#else //NOT CONFIG_USE_EMULATOR + unsigned int ddr_clock=ifx_get_ddr_hz(); + switch((*DANUBE_CGU_SYS) & 0xc){ + case 0: + default: + return 323333333; + case 4: + return ddr_clock; + case 8: + return ddr_clock << 1; + } +#endif +} + +ulong get_bus_freq(ulong dummy) +{ +#ifdef CONFIG_USE_EMULATOR + unsigned int clkCPU; + clkCPU = ifx_get_cpuclk(); + return clkCPU >> 2; +#else //NOT CONFIG_USE_EMULATOR + unsigned int ddr_clock=ifx_get_ddr_hz(); + if ((*DANUBE_CGU_SYS) & 0x40){ + return ddr_clock >> 1; + } + return ddr_clock; +#endif +} + diff --git a/package/uboot-lantiq/files/cpu/mips/danube/ifx_cache.S b/package/uboot-lantiq/files/cpu/mips/danube/ifx_cache.S new file mode 100644 index 000000000..fc482dcd6 --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/danube/ifx_cache.S @@ -0,0 +1,60 @@ + +#define IFX_CACHE_EXTRA_INVALID_TAG \ + mtc0 zero, CP0_TAGLO, 1; \ + mtc0 zero, CP0_TAGLO, 2; \ + mtc0 zero, CP0_TAGLO, 3; \ + mtc0 zero, CP0_TAGLO, 4; + +#define IFX_CACHE_EXTRA_OPERATION \ + /* set WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ECCF_WST; \ + or a0, a1; \ + mtc0 a0, CP0_ECC; \ + \ + li a0, K0BASE; \ + move a2, t2; /* icacheSize */ \ + move a3, t4; /* icacheLineSize */ \ + move a1, a2; \ + icacheop(a0,a1,a2,a3,(Index_Store_Tag_I)); \ + \ + /* clear WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ~ECCF_WST; \ + and a0, a1; \ + mtc0 a0, CP0_ECC; \ + \ + /* 1: initialise dcache tags. */ \ + \ + /* cache line size */ \ + li a2, CFG_CACHELINE_SIZE; \ + /* kseg0 mem address */ \ + li a1, 0; \ + li a3, CFG_CACHE_SETS * CFG_CACHE_WAYS; \ +1: \ + /* store tag (invalid, not locked) */ \ + cache 0x8, 0(a1); \ + cache 0x9, 0(a1); \ + \ + add a3, -1; \ + bne a3, zero, 1b; \ + add a1, a2; \ + \ + /* set WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ECCF_WST; \ + or a0, a1; \ + mtc0 a0, CP0_ECC; \ + \ + li a0, K0BASE; \ + move a2, t3; /* dcacheSize */ \ + move a3, t5; /* dcacheLineSize */ \ + move a1, a2; \ + icacheop(a0,a1,a2,a3,(Index_Store_Tag_D)); \ + \ + /* clear WST bit */ \ + mfc0 a0, CP0_ECC; \ + li a1, ~ECCF_WST; \ + and a0, a1; \ + mtc0 a0, CP0_ECC; + diff --git a/package/uboot-lantiq/files/cpu/mips/ifx_asc.c b/package/uboot-lantiq/files/cpu/mips/ifx_asc.c new file mode 100644 index 000000000..5c13f2662 --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/ifx_asc.c @@ -0,0 +1,218 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * (C) Copyright 2009 + * Infineon Technologies AG, http://www.infineon.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <asm/io.h> +#include <asm/addrspace.h> + +#include "ifx_asc.h" + +#define SET_BIT(reg, mask) asc_writel(reg, asc_readl(reg) | (mask)) +#define CLEAR_BIT(reg, mask) asc_writel(reg, asc_readl(reg) & (~mask)) +#define SET_BITFIELD(reg, mask, off, val) asc_writel(reg, (asc_readl(reg) & (~mask)) | (val << off) ) + +#undef DEBUG_ASC_RAW +#ifdef DEBUG_ASC_RAW +#define DEBUG_ASC_RAW_RX_BUF 0xA0800000 +#define DEBUG_ASC_RAW_TX_BUF 0xA0900000 +#endif + +DECLARE_GLOBAL_DATA_PTR; + +static IfxAsc_t *pAsc = (IfxAsc_t *)CKSEG1ADDR(CONFIG_SYS_IFX_ASC_BASE); + +/* + * FDV fASC + * BaudRate = ----- * -------------------- + * 512 16 * (ReloadValue+1) + */ + +/* + * FDV fASC + * ReloadValue = ( ----- * --------------- ) - 1 + * 512 16 * BaudRate + */ +static void serial_divs(u32 baudrate, u32 fasc, u32 *pfdv, u32 *preload) +{ + u32 clock = fasc / 16; + + u32 fdv; /* best fdv */ + u32 reload = 0; /* best reload */ + u32 diff; /* smallest diff */ + u32 idiff; /* current diff */ + u32 ireload; /* current reload */ + u32 i; /* current fdv */ + u32 result; /* current resulting baudrate */ + + if (clock > 0x7FFFFF) + clock /= 512; + else + baudrate *= 512; + + fdv = 512; /* start with 1:1 fraction */ + diff = baudrate; /* highest possible */ + + /* i is the test fdv value -- start with the largest possible */ + for (i = 512; i > 0; i--) + { + ireload = (clock * i) / baudrate; + if (ireload < 1) + break; /* already invalid */ + result = (clock * i) / ireload; + + idiff = (result > baudrate) ? (result - baudrate) : (baudrate - result); + if (idiff == 0) + { + fdv = i; + reload = ireload; + break; /* can't do better */ + } + else if (idiff < diff) + { + fdv = i; /* best so far */ + reload = ireload; + diff = idiff; /* update lowest diff*/ + } + } + + *pfdv = (fdv == 512) ? 0 : fdv; + *preload = reload - 1; +} + + +void serial_setbrg (void) +{ + u32 ReloadValue, fdv; + + serial_divs(gd->baudrate, get_bus_freq(0), &fdv, &ReloadValue); + + /* Disable Baud Rate Generator; BG should only be written when R=0 */ + CLEAR_BIT(asc_con, ASCCON_R); + + /* Enable Fractional Divider */ + SET_BIT(asc_con, ASCCON_FDE); /* FDE = 1 */ + + /* Set fractional divider value */ + asc_writel(asc_fdv, fdv & ASCFDV_VALUE_MASK); + + /* Set reload value in BG */ + asc_writel(asc_bg, ReloadValue); + + /* Enable Baud Rate Generator */ + SET_BIT(asc_con, ASCCON_R); /* R = 1 */ +} + + +int serial_init (void) +{ + + /* and we have to set CLC register*/ + CLEAR_BIT(asc_clc, ASCCLC_DISS); + SET_BITFIELD(asc_clc, ASCCLC_RMCMASK, ASCCLC_RMCOFFSET, 0x0001); + + /* initialy we are in async mode */ + asc_writel(asc_con, ASCCON_M_8ASYNC); + + /* select input port */ + asc_writel(asc_pisel, CONSOLE_TTY & 0x1); + + /* TXFIFO's filling level */ + SET_BITFIELD(asc_txfcon, ASCTXFCON_TXFITLMASK, + ASCTXFCON_TXFITLOFF, ASC_TXFIFO_FL); + /* enable TXFIFO */ + SET_BIT(asc_txfcon, ASCTXFCON_TXFEN); + + /* RXFIFO's filling level */ + SET_BITFIELD(asc_txfcon, ASCRXFCON_RXFITLMASK, + ASCRXFCON_RXFITLOFF, ASC_RXFIFO_FL); + /* enable RXFIFO */ + SET_BIT(asc_rxfcon, ASCRXFCON_RXFEN); + + /* set baud rate */ + serial_setbrg(); + + /* enable error signals & Receiver enable */ + SET_BIT(asc_whbstate, ASCWHBSTATE_SETREN|ASCCON_FEN|ASCCON_TOEN|ASCCON_ROEN); + + return 0; +} + + +void serial_putc (const char c) +{ + u32 txFl = 0; +#ifdef DEBUG_ASC_RAW + static u8 * debug = (u8 *) DEBUG_ASC_RAW_TX_BUF; + *debug++=c; +#endif + if (c == '\n') + serial_putc ('\r'); + /* check do we have a free space in the TX FIFO */ + /* get current filling level */ + do { + txFl = ( asc_readl(asc_fstat) & ASCFSTAT_TXFFLMASK ) >> ASCFSTAT_TXFFLOFF; + } + while ( txFl == ASC_TXFIFO_FULL ); + + asc_writel(asc_tbuf, c); /* write char to Transmit Buffer Register */ + + /* check for errors */ + if ( asc_readl(asc_state) & ASCSTATE_TOE ) { + SET_BIT(asc_whbstate, ASCWHBSTATE_CLRTOE); + return; + } +} + +void serial_puts (const char *s) +{ + while (*s) { + serial_putc (*s++); + } +} + +int serial_getc (void) +{ + char c; + while ((asc_readl(asc_fstat) & ASCFSTAT_RXFFLMASK) == 0 ); + c = (char)(asc_readl(asc_rbuf) & 0xff); + +#ifdef DEBUG_ASC_RAW + static u8* debug=(u8*)(DEBUG_ASC_RAW_RX_BUF); + *debug++=c; +#endif + return c; +} + + +int serial_tstc (void) +{ + int res = 1; + + if ( (asc_readl(asc_fstat) & ASCFSTAT_RXFFLMASK) == 0 ) { + res = 0; + } + return res; +} diff --git a/package/uboot-lantiq/files/cpu/mips/ifx_asc.h b/package/uboot-lantiq/files/cpu/mips/ifx_asc.h new file mode 100644 index 000000000..2d3a49e1e --- /dev/null +++ b/package/uboot-lantiq/files/cpu/mips/ifx_asc.h @@ -0,0 +1,199 @@ +/***************************************************************************** + * DANUBE BootROM + * Copyright (c) 2005, Infineon Technologies AG, All rights reserved + * IFAP DC COM SD + *****************************************************************************/ +#ifndef __ASC_H +#define __ASC_H + +/* channel operating modes */ +#define ASCOPT_CSIZE 0x00000003 +#define ASCOPT_CS7 0x00000001 +#define ASCOPT_CS8 0x00000002 +#define ASCOPT_PARENB 0x00000004 +#define ASCOPT_STOPB 0x00000008 +#define ASCOPT_PARODD 0x00000010 +#define ASCOPT_CREAD 0x00000020 + +#define ASC_OPTIONS (ASCOPT_CREAD | ASCOPT_CS8) + +/* ASC input select (0 or 1) */ +#define CONSOLE_TTY 0 + +#define ASC_TXFIFO_FL 1 +#define ASC_RXFIFO_FL 1 +#define ASC_TXFIFO_FULL 16 + +/* CLC register's bits and bitfields */ +#define ASCCLC_DISR 0x00000001 +#define ASCCLC_DISS 0x00000002 +#define ASCCLC_RMCMASK 0x0000FF00 +#define ASCCLC_RMCOFFSET 8 + +/* CON register's bits and bitfields */ +#define ASCCON_MODEMASK 0x0000000f +#define ASCCON_M_8ASYNC 0x0 +#define ASCCON_M_8IRDA 0x1 +#define ASCCON_M_7ASYNC 0x2 +#define ASCCON_M_7IRDA 0x3 +#define ASCCON_WLSMASK 0x0000000c +#define ASCCON_WLSOFFSET 2 +#define ASCCON_WLS_8BIT 0x0 +#define ASCCON_WLS_7BIT 0x1 +#define ASCCON_PEN 0x00000010 +#define ASCCON_ODD 0x00000020 +#define ASCCON_SP 0x00000040 +#define ASCCON_STP 0x00000080 +#define ASCCON_BRS 0x00000100 +#define ASCCON_FDE 0x00000200 +#define ASCCON_ERRCLK 0x00000400 +#define ASCCON_EMMASK 0x00001800 +#define ASCCON_EMOFFSET 11 +#define ASCCON_EM_ECHO_OFF 0x0 +#define ASCCON_EM_ECHO_AB 0x1 +#define ASCCON_EM_ECHO_ON 0x2 +#define ASCCON_LB 0x00002000 +#define ASCCON_ACO 0x00004000 +#define ASCCON_R 0x00008000 +#define ASCCON_PAL 0x00010000 +#define ASCCON_FEN 0x00020000 +#define ASCCON_RUEN 0x00040000 +#define ASCCON_ROEN 0x00080000 +#define ASCCON_TOEN 0x00100000 +#define ASCCON_BEN 0x00200000 +#define ASCCON_TXINV 0x01000000 +#define ASCCON_RXINV 0x02000000 +#define ASCCON_TXMSB 0x04000000 +#define ASCCON_RXMSB 0x08000000 + +/* STATE register's bits and bitfields */ +#define ASCSTATE_REN 0x00000001 +#define ASCSTATE_PE 0x00010000 +#define ASCSTATE_FE 0x00020000 +#define ASCSTATE_RUE 0x00040000 +#define ASCSTATE_ROE 0x00080000 +#define ASCSTATE_TOE 0x00100000 +#define ASCSTATE_BE 0x00200000 +#define ASCSTATE_TXBVMASK 0x07000000 +#define ASCSTATE_TXBVOFFSET 24 +#define ASCSTATE_TXEOM 0x08000000 +#define ASCSTATE_RXBVMASK 0x70000000 +#define ASCSTATE_RXBVOFFSET 28 +#define ASCSTATE_RXEOM 0x80000000 + +/* WHBSTATE register's bits and bitfields */ +#define ASCWHBSTATE_CLRREN 0x00000001 +#define ASCWHBSTATE_SETREN 0x00000002 +#define ASCWHBSTATE_CLRPE 0x00000004 +#define ASCWHBSTATE_CLRFE 0x00000008 +#define ASCWHBSTATE_CLRRUE 0x00000010 +#define ASCWHBSTATE_CLRROE 0x00000020 +#define ASCWHBSTATE_CLRTOE 0x00000040 +#define ASCWHBSTATE_CLRBE 0x00000080 +#define ASCWHBSTATE_SETPE 0x00000100 +#define ASCWHBSTATE_SETFE 0x00000200 +#define ASCWHBSTATE_SETRUE 0x00000400 +#define ASCWHBSTATE_SETROE 0x00000800 +#define ASCWHBSTATE_SETTOE 0x00001000 +#define ASCWHBSTATE_SETBE 0x00002000 + +/* ABCON register's bits and bitfields */ +#define ASCABCON_ABEN 0x0001 +#define ASCABCON_AUREN 0x0002 +#define ASCABCON_ABSTEN 0x0004 +#define ASCABCON_ABDETEN 0x0008 +#define ASCABCON_FCDETEN 0x0010 + +/* FDV register mask, offset and bitfields*/ +#define ASCFDV_VALUE_MASK 0x000001FF + +/* WHBABCON register's bits and bitfields */ +#define ASCWHBABCON_CLRABEN 0x0001 +#define ASCWHBABCON_SETABEN 0x0002 + +/* ABSTAT register's bits and bitfields */ +#define ASCABSTAT_FCSDET 0x0001 +#define ASCABSTAT_FCCDET 0x0002 +#define ASCABSTAT_SCSDET 0x0004 +#define ASCABSTAT_SCCDET 0x0008 +#define ASCABSTAT_DETWAIT 0x0010 + +/* WHBABSTAT register's bits and bitfields */ +#define ASCWHBABSTAT_CLRFCSDET 0x0001 +#define ASCWHBABSTAT_SETFCSDET 0x0002 +#define ASCWHBABSTAT_CLRFCCDET 0x0004 +#define ASCWHBABSTAT_SETFCCDET 0x0008 +#define ASCWHBABSTAT_CLRSCSDET 0x0010 +#define ASCWHBABSTAT_SETSCSDET 0x0020 +#define ASCWHBABSTAT_CLRSCCDET 0x0040 +#define ASCWHBABSTAT_SETSCCDET 0x0080 +#define ASCWHBABSTAT_CLRDETWAIT 0x0100 +#define ASCWHBABSTAT_SETDETWAIT 0x0200 + +/* TXFCON register's bits and bitfields */ +#define ASCTXFCON_TXFIFO1 0x00000400 +#define ASCTXFCON_TXFEN 0x0001 +#define ASCTXFCON_TXFFLU 0x0002 +#define ASCTXFCON_TXFITLMASK 0x3F00 +#define ASCTXFCON_TXFITLOFF 8 + +/* RXFCON register's bits and bitfields */ +#define ASCRXFCON_RXFIFO1 0x00000400 +#define ASCRXFCON_RXFEN 0x0001 +#define ASCRXFCON_RXFFLU 0x0002 +#define ASCRXFCON_RXFITLMASK 0x3F00 +#define ASCRXFCON_RXFITLOFF 8 + +/* FSTAT register's bits and bitfields */ +#define ASCFSTAT_RXFFLMASK 0x003F +#define ASCFSTAT_TXFFLMASK 0x3F00 +#define ASCFSTAT_TXFFLOFF 8 + +typedef struct IfxAsc_s +{ + unsigned long asc_clc; /*0x0000*/ + unsigned long asc_pisel; /*0x0004*/ + unsigned long asc_id; /*0x0008*/ + unsigned long asc_rsvd1[1]; /* for mapping */ /*0x000C*/ + unsigned long asc_con; /*0x0010*/ + unsigned long asc_state; /*0x0014*/ + unsigned long asc_whbstate; /*0x0018*/ + unsigned long asc_rsvd2[1]; /* for mapping */ /*0x001C*/ + unsigned long asc_tbuf; /*0x0020*/ + unsigned long asc_rbuf; /*0x0024*/ + unsigned long asc_rsvd3[2]; /* for mapping */ /*0x0028*/ + unsigned long asc_abcon; /*0x0030*/ + unsigned long asc_abstat; /* not used */ /*0x0034*/ + unsigned long asc_whbabcon; /*0x0038*/ + unsigned long asc_whbabstat; /* not used */ /*0x003C*/ + unsigned long asc_rxfcon; /*0x0040*/ + unsigned long asc_txfcon; /*0x0044*/ + unsigned long asc_fstat; /*0x0048*/ + unsigned long asc_rsvd4[1]; /* for mapping */ /*0x004C*/ + unsigned long asc_bg; /*0x0050*/ + unsigned long asc_bg_timer; /*0x0054*/ + unsigned long asc_fdv; /*0x0058*/ + unsigned long asc_pmw; /*0x005C*/ + unsigned long asc_modcon; /*0x0060*/ + unsigned long asc_modstat; /*0x0064*/ + unsigned long asc_rsvd5[2]; /* for mapping */ /*0x0068*/ + unsigned long asc_sfcc; /*0x0070*/ + unsigned long asc_rsvd6[3]; /* for mapping */ /*0x0074*/ + unsigned long asc_eomcon; /*0x0080*/ + unsigned long asc_rsvd7[26]; /* for mapping */ /*0x0084*/ + unsigned long asc_dmacon; /*0x00EC*/ + unsigned long asc_rsvd8[1]; /* for mapping */ /*0x00F0*/ + unsigned long asc_irnen; /*0x00F4*/ + unsigned long asc_irnicr; /*0x00F8*/ + unsigned long asc_irncr; /*0x00FC*/ +} IfxAsc_t; + + +/* Register access macros */ +#define asc_readl(reg) \ + readl(&pAsc->reg) +#define asc_writel(reg,value) \ + writel((value), &pAsc->reg) + + +#endif /* __ASC_H */ |