From: wdenk Date: Tue, 5 Apr 2005 23:32:21 +0000 (+0000) Subject: * Patch by Ladislav Michl, 05 Apr 2005: X-Git-Tag: LABEL_2006_03_12_0025~317 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=3c2b3d454daa6024cc20d166b2f50efde169c7fe;p=u-boot * Patch by Ladislav Michl, 05 Apr 2005: Add support for VoiceBlue board. * Patch by Ladislav Michl, 05 Apr 2005: Fix netboot_common() prototypes. * Cleanup. --- diff --git a/CHANGELOG b/CHANGELOG index 7d2158355c..b5d72f394b 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,12 @@ Changes for U-Boot 1.1.3: ====================================================================== +* Patch by Ladislav Michl, 05 Apr 2005: + Add support for VoiceBlue board. + +* Patch by Ladislav Michl, 05 Apr 2005: + Fix netboot_common() prototypes. + * Patch by Steven Scholz, 05 Apr 2005: Use i.MX watchdog timer for reset_cpu() @@ -36,7 +42,7 @@ Changes for U-Boot 1.1.3: * Patch by Tolunay Orkun, 16 November 2004: fix incorrect onboard Xilinx CPLD base address - + * Patch by Jerry Van Baren, 08 Nov 2004: - Add low-boot option for MPC8260ADS board (if lowboot is selected, the jumper for the HRCW source should select flash. If lowboot is diff --git a/MAKEALL b/MAKEALL index 85c1de933a..426c6a65e2 100644 --- a/MAKEALL +++ b/MAKEALL @@ -157,7 +157,7 @@ LIST_ARM9=" \ lpd7a400 mx1ads mx1fs2 omap1510inn \ omap1610h2 omap1610inn omap730p2 scb9328 \ smdk2400 smdk2410 trab VCMA9 \ - versatile \ + versatile voiceblue \ " ######################################################################### diff --git a/Makefile b/Makefile index fdc97c0783..f93c86b353 100644 --- a/Makefile +++ b/Makefile @@ -1382,6 +1382,19 @@ VCMA9_config : unconfig versatile_config : unconfig @./mkconfig $(@:_config=) arm arm926ejs versatile +voiceblue_smallflash_config \ +voiceblue_config: unconfig + @if [ "$(findstring _smallflash_,$@)" ] ; then \ + echo "... boot from lower flash bank" ; \ + echo "#define VOICEBLUE_SMALL_FLASH" >>include/config.h ; \ + echo "VOICEBLUE_SMALL_FLASH=y" >board/voiceblue/config.tmp ; \ + else \ + echo "... boot from upper flash bank" ; \ + >include/config.h ; \ + echo "VOICEBLUE_SMALL_FLASH=n" >board/voiceblue/config.tmp ; \ + fi + @./mkconfig -a voiceblue arm arm925t voiceblue + ######################################################################### ## S3C44B0 Systems ######################################################################### diff --git a/README b/README index e74ce4c4e6..f3bb67c0c4 100644 --- a/README +++ b/README @@ -2132,14 +2132,14 @@ Low Level (hardware related) configuration options: - CONFIG_SKIP_LOWLEVEL_INIT - CONFIG_SKIP_RELOCATE_UBOOT - [ARM only] If these variables are defined, then - certain low level initializations (like setting up - the memory controller) are omitted and/or U-Boot does - not relocate itself into RAM. - Normally these variables MUST NOT be defined. The - only exception is when U-Boot is loaded (to RAM) by - some other boot loader or by a debugger which - performs these intializations itself. + [ARM only] If these variables are defined, then + certain low level initializations (like setting up + the memory controller) are omitted and/or U-Boot does + not relocate itself into RAM. + Normally these variables MUST NOT be defined. The + only exception is when U-Boot is loaded (to RAM) by + some other boot loader or by a debugger which + performs these intializations itself. Building the Software: diff --git a/board/sorcery/sorcery.c b/board/sorcery/sorcery.c index 2f53fac084..a7ef85c9f0 100644 --- a/board/sorcery/sorcery.c +++ b/board/sorcery/sorcery.c @@ -31,7 +31,7 @@ long int initdram (int board_type) ulong size; size = dramSetup (); - + return get_ram_size((ulong *)CFG_SDRAM_BASE, size); } diff --git a/board/voiceblue/Makefile b/board/voiceblue/Makefile new file mode 100644 index 0000000000..44be6ca898 --- /dev/null +++ b/board/voiceblue/Makefile @@ -0,0 +1,64 @@ +# (C) Copyright 2000-2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de +# +# (C) Copyright 2005 +# Ladislav Michl, 2N Telekomunikace, michl@2n.cz +# +# 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 version 2 as +# published by the Free Software Foundation. +# +# 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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := voiceblue.o +SOBJS := setup.o + +gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) + +LOAD_ADDR = 0x10400000 + +all: $(LIB) eeprom.srec eeprom.bin + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +eeprom.srec: eeprom.o + $(LD) -g -Ttext $(LOAD_ADDR) -o $(<:.o=) -e $(<:.o=) $^ \ + -L../../examples -lstubs \ + -L../../lib_generic -lgeneric \ + -L$(gcclibdir) -lgcc + $(OBJCOPY) -O srec $(<:.o=) $@ + +eeprom.bin: eeprom.srec + $(OBJCOPY) -O binary $< $@ 2>/dev/null + +clean: + rm -f $(SOBJS) $(OBJS) eeprom eeprom.srec eeprom.bin + +distclean: clean + rm -f $(LIB) core config.tmp *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/voiceblue/config.mk b/board/voiceblue/config.mk new file mode 100644 index 0000000000..c73cd27bf1 --- /dev/null +++ b/board/voiceblue/config.mk @@ -0,0 +1,16 @@ +# +# Linux-Kernel is expected to be at 1000'8000, +# entry 1000'8000 (mem base + reserved) +# + +sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp + +ifeq ($(VOICEBLUE_SMALL_FLASH),y) +# We load ourself to internal SRAM at 2001'2000 +# Check map file when changing TEXT_BASE. +# Everything has fit into 192kB internal SRAM! +TEXT_BASE = 0x20012000 +else +# Running in SDRAM... +TEXT_BASE = 0x13000000 +endif diff --git a/board/voiceblue/eeprom.c b/board/voiceblue/eeprom.c new file mode 100644 index 0000000000..6383a0203b --- /dev/null +++ b/board/voiceblue/eeprom.c @@ -0,0 +1,140 @@ +/* + * (C) Copyright 2005 + * Ladislav Michl, 2N Telekomunikace, michl@2n.cz + * + * 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 version 2 as + * published by the Free Software Foundation. + * + * 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 + * + * Some code shamelessly stolen back from Robin Getz. + */ + +#define DEBUG + +#include +#include +#include "../drivers/smc91111.h" + +#define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE + +static int verify_macaddr(char *); +static int set_mac(char *); + +int eeprom(int argc, char *argv[]) +{ + app_startup(argv); + if (get_version() != XF_VERSION) { + printf("Wrong XF_VERSION.\n"); + printf("Application expects ABI version %d\n", XF_VERSION); + printf("Actual U-Boot ABI version %d\n", (int)get_version()); + return 1; + } + + if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) { + printf("SMSC91111 not found.\n"); + return 2; + } + + if (argc != 2) { + printf("VoiceBlue EEPROM writer\n"); + printf("Built: %s at %s\n", __DATE__ , __TIME__ ); + printf("Usage:\n\t"); + return 3; + } + + set_mac(argv[1]); + if (verify_macaddr(argv[1])) { + printf("*** ERROR ***\n"); + return 4; + } + + return 0; +} + +static u16 read_eeprom_reg(u16 reg) +{ + int timeout; + + SMC_SELECT_BANK(2); + SMC_outw(reg, PTR_REG); + + SMC_SELECT_BANK(1); + SMC_outw(SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_RELOAD, + CTL_REG); + timeout = 100; + while((SMC_inw (CTL_REG) & CTL_RELOAD) && --timeout) + udelay(100); + if (timeout == 0) { + printf("Timeout Reading EEPROM register %02x\n", reg); + return 0; + } + + return SMC_inw (GP_REG); +} + +static int write_eeprom_reg(u16 value, u16 reg) +{ + int timeout; + + SMC_SELECT_BANK(2); + SMC_outw(reg, PTR_REG); + + SMC_SELECT_BANK(1); + SMC_outw(value, GP_REG); + SMC_outw(SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_STORE, CTL_REG); + timeout = 100; + while ((SMC_inw(CTL_REG) & CTL_STORE) && --timeout) + udelay (100); + if (timeout == 0) { + printf("Timeout Writing EEPROM register %02x\n", reg); + return 0; + } + + return 1; +} + +static int verify_macaddr(char *s) +{ + u16 reg; + int i, err = 0; + + printf("Verifying MAC Address: "); + err = i = 0; + for (i = 0; i < 3; i++) { + reg = read_eeprom_reg(0x20 + i); + printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n'); + err |= reg != ((u16 *)s)[i]; + } + + return err ? 0 : 1; +} + +static int set_mac(char *s) +{ + int i; + char *e, eaddr[6]; + + /* turn string into mac value */ + for (i = 0; i < 6; i++) { + eaddr[i] = simple_strtoul(s, &e, 16); + s = (*e) ? e+1 : e; + } + + for (i = 0; i < 3; i++) + write_eeprom_reg(*(((u16 *)eaddr) + i), 0x20 + i); + + return 0; +} diff --git a/board/voiceblue/setup.S b/board/voiceblue/setup.S new file mode 100644 index 0000000000..4a110e846d --- /dev/null +++ b/board/voiceblue/setup.S @@ -0,0 +1,280 @@ +/* + * Board specific setup info + * + * (C) Copyright 2004 Ales Jindra + * (C) Copyright 2005 Ladislav Michl + * + * 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 + * version 2 published by the Free Software Foundation. + * + * 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 +#include + +_TEXT_BASE: + .word TEXT_BASE /* SDRAM load addr from config.mk */ + +OMAP5910_LPG1_BASE: .word 0xfffbd000 +OMAP5910_TIPB_SWITCHES_BASE: .word 0xfffbc800 +OMAP5910_MPU_TC_BASE: .word 0xfffecc00 +OMAP5910_MPU_CLKM_BASE: .word 0xfffece00 +OMAP5910_ULPD_PWR_MNG_BASE: .word 0xfffe0800 +OMAP5910_DPLL1_BASE: .word 0xfffecf00 +OMAP5910_GPIO_BASE: .word 0xfffce000 +OMAP5910_MPU_WD_TIMER_BASE: .word 0xfffec800 +OMAP5910_MPUI_BASE: .word 0xfffec900 + +_OMAP5910_ARM_CKCTL: .word OMAP5910_ARM_CKCTL +_OMAP5910_ARM_EN_CLK: .word OMAP5910_ARM_EN_CLK + +OMAP5910_MPUI_CTRL: .word 0x0000ff1b + +VAL_EMIFS_CS0_CONFIG: .word 0x00009090 +VAL_EMIFS_CS1_CONFIG: .word 0x00003031 +VAL_EMIFS_CS2_CONFIG: .word 0x00003031 +VAL_EMIFS_CS3_CONFIG: .word 0x0000c0c0 +VAL_EMIFS_DYN_WAIT: .word 0x00000000 +/* autorefresh counter 0x246 ((64000000/13.4)-400)/8192) */ + /* SLRF SD_RET ARE SDRAM_TYPE ARCV SDRAM_FREQUENCY PWD CLK */ +VAL_EMIFF_SDRAM_CONFIG: .word ((0 << 0) | (0 << 1) | (3 << 2) | (0xd << 4) | (0x246 << 8) | (0 << 24) | (0 << 26) | (0 << 27)) +VAL_EMIFF_SDRAM_CONFIG2: .word 0x00000003 +VAL_EMIFF_MRS: .word 0x00000037 + +/* + * GPIO04 - D4 (Onboard LED) + * GPIO07 - LAN91C111 reset + */ +GPIO_DIRECTION: + .word 0x0000ff6f +/* + * Disable everything, but D4 LED (connected through invertor) + */ +GPIO_OUTPUT: + .word 0x00000010 + +MUX_CONFIG_BASE: + .word 0xfffe1000 + +MUX_CONFIG_VALUES: + .align 4 + .word 0x00000000 @ FUNC_MUX_CTRL_0 + .word 0x00000000 @ FUNC_MUX_CTRL_1 + .word 0x00000000 @ FUNC_MUX_CTRL_2 + .word 0x00000000 @ FUNC_MUX_CTRL_3 + .word 0x00000000 @ FUNC_MUX_CTRL_4 + .word 0x12082480 @ FUNC_MUX_CTRL_5 + .word 0x00000004 @ FUNC_MUX_CTRL_6 + .word 0x00000003 @ FUNC_MUX_CTRL_7 + .word 0x10001200 @ FUNC_MUX_CTRL_8 + .word 0x01201012 @ FUNC_MUX_CTRL_9 + .word 0x02081248 @ FUNC_MUX_CTRL_A + .word 0x00001248 @ FUNC_MUX_CTRL_B + .word 0x12240000 @ FUNC_MUX_CTRL_C + .word 0x00002000 @ FUNC_MUX_CTRL_D + .word 0x00000000 @ PULL_DWN_CTRL_0 + .word 0x0000085f @ PULL_DWN_CTRL_1 + .word 0x01001000 @ PULL_DWN_CTRL_2 + .word 0x00000000 @ PULL_DWN_CTRL_3 + .word 0x00000000 @ GATE_INH_CTRL_0 + .word 0x00000000 @ VOLTAGE_CTRL_0 + .word 0x00000000 @ TEST_DBG_CTRL_0 + .word 0x00000006 @ MOD_CONF_CTRL_0 + .word 0x0000eaef @ COMP_MODE_CTRL_0 + +MUX_CONFIG_OFFSETS: + .align 1 + .byte 0x00 @ FUNC_MUX_CTRL_0 + .byte 0x04 @ FUNC_MUX_CTRL_1 + .byte 0x08 @ FUNC_MUX_CTRL_2 + .byte 0x10 @ FUNC_MUX_CTRL_3 + .byte 0x14 @ FUNC_MUX_CTRL_4 + .byte 0x18 @ FUNC_MUX_CTRL_5 + .byte 0x1c @ FUNC_MUX_CTRL_6 + .byte 0x20 @ FUNC_MUX_CTRL_7 + .byte 0x24 @ FUNC_MUX_CTRL_8 + .byte 0x28 @ FUNC_MUX_CTRL_9 + .byte 0x2c @ FUNC_MUX_CTRL_A + .byte 0x30 @ FUNC_MUX_CTRL_B + .byte 0x34 @ FUNC_MUX_CTRL_C + .byte 0x38 @ FUNC_MUX_CTRL_D + .byte 0x40 @ PULL_DWN_CTRL_0 + .byte 0x44 @ PULL_DWN_CTRL_1 + .byte 0x48 @ PULL_DWN_CTRL_2 + .byte 0x4c @ PULL_DWN_CTRL_3 + .byte 0x50 @ GATE_INH_CTRL_0 + .byte 0x60 @ VOLTAGE_CTRL_0 + .byte 0x70 @ TEST_DBG_CTRL_0 + .byte 0x80 @ MOD_CONF_CTRL_0 + .byte 0x0c @ COMP_MODE_CTRL_0 + .byte 0xff + +.globl platformsetup +platformsetup: + /* Improve performance a bit... */ + mrc p15, 0, r1, c0, c0, 0 @ read C15 ID register + mrc p15, 0, r1, c0, c0, 1 @ read C15 Cache information register + mrc p15, 0, r1, c1, c0, 0 @ read C15 Control register + orr r1, r1, #0x1000 @ enable I-cache, map interrupt vector 0xffff0000 + mcr p15, 0, r1, c1, c0, 0 @ write C15 Control register + mov r1, #0x00 + mcr p15, 0, r1, c7, c5, 0 @ Flush I-cache + nop + nop + nop + nop + + /* Setup clocking mode */ + ldr r0, OMAP5910_MPU_CLKM_BASE @ prepare base of CLOCK unit + ldrh r1, [r0, #0x18] @ get reset status + bic r1, r1, #(7 << 11) @ clear clock select + orr r1, r1, #(2 << 11) @ set synchronous scalable + mov r2, #0 @ set wait counter to 100 clock cycles + +icache_loop: + cmp r2, #0x01 + streqh r1, [r0, #0x18] + add r2, r2, #0x01 + cmp r2, #0x10 + bne icache_loop + nop + + /* Setup clock divisors */ + ldr r0, OMAP5910_MPU_CLKM_BASE @ base of CLOCK unit + ldr r1, _OMAP5910_ARM_CKCTL + orr r1, r1, #0x2000 @ enable DSP clock + strh r1, [r0, #0x00] @ setup clock divisors + + /* Setup DPLL to generate requested freq */ + ldr r0, OMAP5910_DPLL1_BASE @ base of DPLL1 register + mov r1, #0x0010 @ set PLL_ENABLE + orr r1, r1, #0x2000 @ set IOB to new locking + orr r1, r1, #(OMAP5910_DPLL_MUL << 7) @ setup multiplier CLKREF + orr r1, r1, #(OMAP5910_DPLL_DIV << 5) @ setup divider CLKREF + strh r1, [r0] @ write + +locking: + ldrh r1, [r0] @ get DPLL value + tst r1, #0x01 + beq locking @ while LOCK not set + + /* Enable clock */ + ldr r0, OMAP5910_MPU_CLKM_BASE @ base of CLOCK unit + mov r1, #(1 << 10) @ disable idle mode do not check + @ nWAKEUP pin, other remain active + strh r1, [r0, #0x04] + ldr r1, _OMAP5910_ARM_EN_CLK + strh r1, [r0, #0x08] + mov r1, #0x003f @ FLASH.RP not enabled in idle and + @ max delayed ( 32 x CLKIN ) + strh r1, [r0, #0x0c] + + /* Configure 5910 pins functions to match our board. */ + ldr r0, MUX_CONFIG_BASE + adr r1, MUX_CONFIG_VALUES + adr r2, MUX_CONFIG_OFFSETS +next_mux_cfg: + ldrb r3, [r2], #1 + ldr r4, [r1], #4 + cmp r3, #0xff + strne r4, [r0, r3] + bne next_mux_cfg + + /* Configure GPIO pins (also enables onboard LED) */ + ldr r0, OMAP5910_GPIO_BASE + ldr r1, GPIO_OUTPUT + strh r1, [r0, #0x04] + ldr r1, GPIO_DIRECTION + strh r1, [r0, #0x08] + + /* EnablePeripherals */ + ldr r0, OMAP5910_MPU_CLKM_BASE @ CLOCK unit + mov r1, #0x0001 @ Peripheral enable + strh r1, [r0, #0x14] + + /* Program LED Pulse Generator */ + ldr r0, OMAP5910_LPG1_BASE @ 1st LED Pulse Generator + mov r1, #0x7F @ Set obscure frequency in + strb r1, [r0, #0x00] @ LCR + mov r1, #0x01 @ Enable clock (CLK_EN) in + strb r1, [r0, #0x04] @ PMR + + /* TIPB Lock UART1 */ + ldr r0, OMAP5910_TIPB_SWITCHES_BASE @ prepare base of TIPB switches + mov r1, #1 @ ARM allocated + strh r1, [r0,#0x04] @ clear IRQ line and status bits + strh r1, [r0,#0x00] + ldrh r1, [r0,#0x04] + + /* Disable watchdog */ + ldr r0, OMAP5910_MPU_WD_TIMER_BASE + mov r1, #0xf5 + strh r1, [r0, #0x8] + mov r1, #0xa0 + strh r1, [r0, #0x8] + + /* Enable MCLK */ + ldr r0, OMAP5910_ULPD_PWR_MNG_BASE + mov r1, #0x6 + strh r1, [r0, #0x34] + strh r1, [r0, #0x34] + + /* Setup clock divisors */ + ldr r0, OMAP5910_ULPD_PWR_MNG_BASE @ base of ULDPL DPLL1 register + + mov r1, #0x0010 @ set PLL_ENABLE + orr r1, r1, #0x2000 @ set IOB to new locking + strh r1, [r0] @ write + +ulocking: + ldrh r1, [r0] @ get DPLL value + tst r1, #1 + beq ulocking @ while LOCK not set + + /* EMIF init */ + ldr r0, OMAP5910_MPU_TC_BASE + ldrh r1, [r0, #0x0c] @ EMIFS_CONFIG_REG + bic r1, r1, #0x0c @ pwr down disabled, flash WP + orr r1, r1, #0x01 + str r1, [r0, #0x0c] + + ldr r1, VAL_EMIFS_CS0_CONFIG + str r1, [r0, #0x10] @ EMIFS_CS0_CONFIG + ldr r1, VAL_EMIFS_CS1_CONFIG + str r1, [r0, #0x14] @ EMIFS_CS1_CONFIG + ldr r1, VAL_EMIFS_CS2_CONFIG + str r1, [r0, #0x18] @ EMIFS_CS2_CONFIG + ldr r1, VAL_EMIFS_CS3_CONFIG + str r1, [r0, #0x1c] @ EMIFS_CS3_CONFIG + ldr r1, VAL_EMIFS_DYN_WAIT + str r1, [r0, #0x40] @ EMIFS_CFG_DYN_WAIT + + /* Setup SDRAM */ + ldr r1, VAL_EMIFF_SDRAM_CONFIG + str r1, [r0, #0x20] @ EMIFF_SDRAM_CONFIG + ldr r1, VAL_EMIFF_SDRAM_CONFIG2 + str r1, [r0, #0x3c] @ EMIFF_SDRAM_CONFIG2 + ldr r1, VAL_EMIFF_MRS + str r1, [r0, #0x24] @ EMIFF_MRS + /* SDRAM needs 100us to stabilize */ + mov r0, #0x4000 +sdelay: + subs r0, r0, #0x1 + bne sdelay + + /* back to arch calling code */ + mov pc, lr +.end diff --git a/board/voiceblue/u-boot.lds b/board/voiceblue/u-boot.lds new file mode 100644 index 0000000000..8317f72d06 --- /dev/null +++ b/board/voiceblue/u-boot.lds @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, + * + * 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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/arm925t/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} diff --git a/board/voiceblue/voiceblue.c b/board/voiceblue/voiceblue.c new file mode 100644 index 0000000000..2501622eb5 --- /dev/null +++ b/board/voiceblue/voiceblue.c @@ -0,0 +1,152 @@ +/* + * (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl + * + * 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 + * version 2 as published by the Free Software Foundation. + * + * 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 + +int board_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + unsigned int val; + + *((volatile unsigned char *) VOICEBLUE_LED_REG) = 0xaa; + + /* arch number of VoiceBlue board */ + /* TODO: use define from asm/mach-types.h */ + gd->bd->bi_arch_number = 218; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0x10000100; + + return 0; +} + +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + *((volatile unsigned short *) VOICEBLUE_LED_REG) = 0xff; + + /* Take the Ethernet controller out of reset and wait + * for the EEPROM load to complete. */ + *((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) |= 0x80; + udelay(10); /* doesn't work before interrupt_init call */ + *((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) &= ~0x80; + udelay(500); + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +#ifndef VOICEBLUE_SMALL_FLASH + +#include + +extern flash_info_t flash_info[]; +static struct part_info partinfo; +static int current_part = -1; + +/* Partition table (Linux MTD see it this way) + * + * 0 - U-Boot + * 1 - env + * 2 - redundant env + * 3 - data1 (jffs2) + * 4 - data2 (jffs2) + */ + +static struct { + ulong offset; + ulong size; +} part[5]; + +static void partition_flash(flash_info_t *info) +{ + char mtdparts[128]; + int i, n, size, psize; + const ulong plen[3] = { CFG_MONITOR_LEN, CFG_ENV_SIZE, CFG_ENV_SIZE }; + + size = n = 0; + for (i = 0; i < 4; i++) { + part[i].offset = info->start[n]; + psize = i < 3 ? plen[i] : (info->size - size) / 2; + while (part[i].size < psize) { + if (++n > info->sector_count) { + printf("Partitioning error. System halted.\n"); + while (1) ; + } + part[i].size += info->start[n] - info->start[n - 1]; + } + size += part[i].size; + } + part[4].offset = info->start[n]; + part[4].size = info->start[info->sector_count - 1] - info->start[n]; + + sprintf(mtdparts, "omapflash.0:" + "%dk(U-Boot)ro,%dk(env),%dk(r_env),%dk(data1),-(data2)", + part[0].size >> 10, part[1].size >> 10, + part[2].size >> 10, part[3].size >> 10); + setenv ("mtdparts", mtdparts); +} + +struct part_info* jffs2_part_info(int part_num) +{ + void *jffs2_priv_saved = partinfo.jffs2_priv; + + if (part_num != 3 && part_num != 4) + return NULL; + + if (current_part != part_num) { + memset(&partinfo, 0, sizeof(partinfo)); + current_part = part_num; + partinfo.offset = (char*) part[part_num].offset; + partinfo.size = part[part_num].size; + partinfo.usr_priv = ¤t_part; + partinfo.jffs2_priv = jffs2_priv_saved; + } + + return &partinfo; +} + +#endif + +int misc_init_r(void) +{ + *((volatile unsigned short *) VOICEBLUE_LED_REG) = 0x55; + +#ifndef VOICEBLUE_SMALL_FLASH + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf("Unknown flash. System halted.\n"); + while (1) ; + } + partition_flash(&flash_info[0]); +#endif + + return 0; +} + +int board_late_init(void) +{ + *((volatile unsigned char *) VOICEBLUE_LED_REG) = 0x00; + + return 0; +} diff --git a/common/cmd_net.c b/common/cmd_net.c index 18ea4b96fb..2cb2c5d34b 100644 --- a/common/cmd_net.c +++ b/common/cmd_net.c @@ -33,7 +33,7 @@ extern int do_bootm (cmd_tbl_t *, int, int, char *[]); -static int netboot_common (int, cmd_tbl_t *, int , char *[]); +static int netboot_common (proto_t, cmd_tbl_t *, int , char *[]); int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { @@ -152,7 +152,7 @@ static void netboot_update_env (void) } static int -netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[]) +netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[]) { char *s; int rcode = 0; diff --git a/cpu/arm920t/s3c24x0/interrupts.c b/cpu/arm920t/s3c24x0/interrupts.c index ba835f3caf..3ec9b5400e 100644 --- a/cpu/arm920t/s3c24x0/interrupts.c +++ b/cpu/arm920t/s3c24x0/interrupts.c @@ -190,9 +190,11 @@ ulong get_tbclk (void) */ void reset_cpu (ulong ignored) { - S3C24X0_WATCHDOG * const watchdog; + volatile S3C24X0_WATCHDOG * watchdog; #ifdef CONFIG_TRAB + extern void disable_vfd (void); + disable_vfd(); #endif diff --git a/cpu/mpc8220/speed.c b/cpu/mpc8220/speed.c index 0c3df7c99a..8346efe12e 100644 --- a/cpu/mpc8220/speed.c +++ b/cpu/mpc8220/speed.c @@ -74,7 +74,7 @@ int get_clocks (void) gd->inp_clk = CFG_MPC8220_CLKIN; /* Read XLB to PCI(INP) clock multiplier */ - pci2bus = (*((volatile u32 *)PCI_REG_PCIGSCR) & + pci2bus = (*((volatile u32 *)PCI_REG_PCIGSCR) & PCI_REG_PCIGSCR_PCI2XLB_CLK_MASK)>>PCI_REG_PCIGSCR_PCI2XLB_CLK_BIT; /* XLB bus clock */ diff --git a/cpu/mpc8220/start.S b/cpu/mpc8220/start.S index c5d2388cad..52332023ec 100644 --- a/cpu/mpc8220/start.S +++ b/cpu/mpc8220/start.S @@ -111,7 +111,7 @@ boot_warm: /* MBAR is mirrored into the MBAR SPR */ mtspr MBAR,r3 - mtspr SPRN_SPRG7W,r3 + mtspr SPRN_SPRG7W,r3 lis r4, CFG_DEFAULT_MBAR@h stw r3, 0(r4) #endif /* CFG_DEFAULT_MBAR */ diff --git a/cpu/mpc8220/uart.c b/cpu/mpc8220/uart.c index 4ff8ccbf3f..42ae3250a2 100644 --- a/cpu/mpc8220/uart.c +++ b/cpu/mpc8220/uart.c @@ -47,7 +47,7 @@ int psc_serial_init (void) /* write to CSR: RX/TX baud rate from timers */ psc->sr_csr = 0xdd000000; - psc->mr1_2 = PSC_MR1_BITS_CHAR_8 | PSC_MR1_NO_PARITY | PSC_MR2_STOP_BITS_1; + psc->mr1_2 = PSC_MR1_BITS_CHAR_8 | PSC_MR1_NO_PARITY | PSC_MR2_STOP_BITS_1; /* Setting up BaudRate */ counter = ((gd->bus_clk / gd->baudrate)) >> 5; diff --git a/cpu/mpc85xx/tsec.c b/cpu/mpc85xx/tsec.c index eee5f25d64..d327a6decb 100644 --- a/cpu/mpc85xx/tsec.c +++ b/cpu/mpc85xx/tsec.c @@ -277,7 +277,7 @@ static int init_phy(struct eth_device *dev) struct phy_info *curphy; /* Assign a Physical address to the TBI */ - + { volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR); regs->tbipa = TBIPA_VALUE; @@ -809,33 +809,33 @@ struct phy_info phy_info_dm9161 = { uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv) { - unsigned int speed; - if (priv->link) { - speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK; - - switch (speed) { - case MIIM_LXT971_SR2_10HDX: - priv->speed = 10; - priv->duplexity = 0; - break; - case MIIM_LXT971_SR2_10FDX: - priv->speed = 10; - priv->duplexity = 1; - break; - case MIIM_LXT971_SR2_100HDX: - priv->speed = 100; - priv->duplexity = 0; - default: - priv->speed = 100; - priv->duplexity = 1; - break; - } - } else { - priv->speed = 0; - priv->duplexity = 0; - } - - return 0; + unsigned int speed; + if (priv->link) { + speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK; + + switch (speed) { + case MIIM_LXT971_SR2_10HDX: + priv->speed = 10; + priv->duplexity = 0; + break; + case MIIM_LXT971_SR2_10FDX: + priv->speed = 10; + priv->duplexity = 1; + break; + case MIIM_LXT971_SR2_100HDX: + priv->speed = 100; + priv->duplexity = 0; + default: + priv->speed = 100; + priv->duplexity = 1; + break; + } + } else { + priv->speed = 0; + priv->duplexity = 0; + } + + return 0; } static struct phy_info phy_info_lxt971 = { diff --git a/include/configs/sorcery.h b/include/configs/sorcery.h index bbc946e675..dcb4092f29 100644 --- a/include/configs/sorcery.h +++ b/include/configs/sorcery.h @@ -130,8 +130,8 @@ /* * Flexbus Chipselect configuration - * Beware: Some CS# seem to be mandatory (if these CS# are not set, - * board can hang-up in unpredictable place). + * Beware: Some CS# seem to be mandatory (if these CS# are not set, + * board can hang-up in unpredictable place). * Sorcery_Memory_Map v0.3 is possibly wrong with CPLD CS# */ @@ -141,7 +141,7 @@ /* Workaround of hang-up after setting ctrl register for flash After reset this register has value 0x003ffd80, which differs - from suggested only by the number of wait states. + from suggested only by the number of wait states. #define CFG_CS0_CTRL 0x003f1580 */ @@ -271,7 +271,7 @@ /* * Various low-level settings */ -#define CFG_HID0_INIT 0 -#define CFG_HID0_FINAL 0 +#define CFG_HID0_INIT 0 +#define CFG_HID0_FINAL 0 #endif /* __CONFIG_H */ diff --git a/include/configs/voiceblue.h b/include/configs/voiceblue.h new file mode 100644 index 0000000000..53dbf82722 --- /dev/null +++ b/include/configs/voiceblue.h @@ -0,0 +1,253 @@ +/* + * (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl + * + * Configuation settings for the TI OMAP VoiceBlue board. + * + * 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 + * version 2 as published by the Free Software Foundation. + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_ARM925T 1 /* This is an arm925t CPU */ +#define CONFIG_OMAP 1 /* in a TI OMAP core */ +#define CONFIG_OMAP1510 1 /* which is in a 5910 */ + +/* Input clock of PLL */ +#define CONFIG_SYS_CLK_FREQ 150000000 /* 150MHz input clock */ +#define CONFIG_XTAL_FREQ 12000000 + +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ + +#define CONFIG_MISC_INIT_R /* There is nothing to really init */ +#define BOARD_LATE_INIT /* but we flash the LEDs here */ + +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 + +/* + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ +#define PHYS_SDRAM_1 0x10000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE SZ_64M + +#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ +#define PHYS_FLASH_2 0x0c000000 + +#define CFG_LOAD_ADDR PHYS_SDRAM_1 + 0x400000 /* default load address */ + +/* + * FLASH organization + */ +#define CFG_FLASH_CFI /* Flash is CFI conformant */ +#define CFG_FLASH_CFI_DRIVER /* Use the common driver */ +#define CFG_MAX_FLASH_BANKS 1 +#ifdef VOICEBLUE_SMALL_FLASH +#define CFG_FLASH_BANKS_LIST { PHYS_FLASH_2 } +#else +#define CFG_FLASH_BANKS_LIST { PHYS_FLASH_1 } +#endif + +/* FIXME: Does not work on AMD flash */ +/* #define CFG_FLASH_USE_BUFFER_WRITE 1 */ /* use buffered writes (20x faster) */ +#define CFG_MAX_FLASH_SECT 512 /* max # of sectors on one chip */ + +#define CFG_MONITOR_BASE PHYS_FLASH_1 +#define CFG_MONITOR_LEN SZ_128K + +/* + * Environment settings + */ +#ifdef VOICEBLUE_SMALL_FLASH +#define CFG_ENV_IS_NOWHERE +#define CFG_ENV_SIZE SZ_1K +#else +#define CFG_ENV_IS_IN_FLASH +#define CFG_ENV_ADDR (PHYS_FLASH_1 + CFG_MONITOR_LEN) +#define CFG_ENV_SIZE SZ_8K +#define CFG_ENV_SECT_SIZE SZ_64K +#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE + +#define CONFIG_ENV_OVERWRITE + +#define CFG_JFFS_CUSTOM_PART /* see board/voiceblue/jffs2parts.c */ +#endif + +/* + * Size of malloc() pool + */ +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#ifdef VOICEBLUE_SMALL_FLASH +#define CFG_MALLOC_LEN (SZ_64K - CFG_GBL_DATA_SIZE) +#else +#define CFG_MALLOC_LEN (SZ_4M - CFG_GBL_DATA_SIZE) +#endif + +/* + * The stack size is set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE SZ_8K /* regular stack */ + +/* + * Hardware drivers + */ +#define CONFIG_DRIVER_SMC91111 +#define CONFIG_SMC91111_BASE 0x08000300 + +/* + * NS16550 Configuration + */ +#define CFG_NS16550 +#define CFG_NS16550_SERIAL +#define CFG_NS16550_REG_SIZE (-4) +#define CFG_NS16550_CLK (CONFIG_XTAL_FREQ) /* can be 12M/32Khz or 48Mhz */ +#define CFG_NS16550_COM1 OMAP1510_UART1_BASE /* uart1 */ + +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 115200 +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +#ifdef VOICEBLUE_SMALL_FLASH +#define CONFIG_COMMANDS (CFG_CMD_BDI | \ + CFG_CMD_LOADB | \ + CFG_CMD_IMI | \ + CFG_CMD_FLASH | \ + CFG_CMD_MEMORY | \ + CFG_CMD_NET | \ + CFG_CMD_BOOTD | \ + CFG_CMD_DHCP | \ + CFG_CMD_PING | \ + CFG_CMD_RUN) +#else +#define CONFIG_COMMANDS (CFG_CMD_BDI | \ + CFG_CMD_LOADB | \ + CFG_CMD_IMI | \ + CFG_CMD_FLASH | \ + CFG_CMD_MEMORY | \ + CFG_CMD_NET | \ + CFG_CMD_ENV | \ + CFG_CMD_BOOTD | \ + CFG_CMD_DHCP | \ + CFG_CMD_PING | \ + CFG_CMD_RUN | \ + CFG_CMD_JFFS2) +#endif + +#define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT +#define CONFIG_LOOPW + +#ifdef VOICEBLUE_SMALL_FLASH +#define CONFIG_BOOTDELAY 0 +#undef CONFIG_BOOTARGS /* the preboot command will set bootargs*/ +#define CFG_AUTOLOAD "n" /* No autoload */ +#define CONFIG_PREBOOT "run setup" +#define CONFIG_EXTRA_ENV_SETTINGS \ + "setup=setenv bootargs console=ttyS0,$(baudrate) " \ + "root=/dev/nfs ip=dhcp\0" \ + "update=erase c000000 c03ffff; " \ + "cp.b 10400000 c000000 $(filesize)\0" +#else +#define CONFIG_BOOTDELAY 3 +#undef CONFIG_BOOTARGS /* the boot command will set bootargs*/ +#define CFG_AUTOLOAD "n" /* No autoload */ +#define CONFIG_BOOTCOMMAND "run nboot" +#define CONFIG_PREBOOT "run setup" +#define CONFIG_EXTRA_ENV_SETTINGS \ + "ospart=0\0" \ + "swapos=no\0" \ + "setpart=" \ + "if test $swapos = yes; then " \ + "if test $ospart -eq 0; then chpart 4; else chpart 3; fi; "\ + "setenv swapos no; saveenv; " \ + "else " \ + "if test $ospart -eq 0; then chpart 3; else chpart 4; fi; "\ + "fi\0" \ + "setup=setenv bootargs console=ttyS0,$baudrate " \ + "mtdparts=$mtdparts\0" \ + "nfsargs=setenv bootargs $bootargs " \ + "root=/dev/nfs ip=dhcp; run setpart\0" \ + "flashargs=setenv bootargs $bootargs " \ + "root=/dev/mtdblock$partition " \ + "rootfstype=jffs2; run setpart\0" \ + "nboot=run nfsargs; bootp; tftp; bootm\0" \ + "fboot=run flashargs; fsload /boot/uImage; bootm\0" +#endif + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +/* + * Miscellaneous configurable options + */ +#ifndef VOICEBLUE_SMALL_FLASH +#define CFG_HUSH_PARSER +#define CFG_PROMPT_HUSH_PS2 "> " +#define CONFIG_AUTO_COMPLETE +#endif +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "# " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START PHYS_SDRAM_1 +#define CFG_MEMTEST_END PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE + +#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ + +/* The 1510 has 3 timers, they can be driven by the RefClk (12Mhz) or by DPLL1. + * This time is further subdivided by a local divisor. + */ +#define CFG_TIMERBASE OMAP1510_TIMER1_BASE +#define CFG_PVT 7 /* 2^(pvt+1), divide by 256 */ +#define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT)) + +#define OMAP5910_DPLL_DIV 1 +#define OMAP5910_DPLL_MUL ((CONFIG_SYS_CLK_FREQ * \ + (1 << OMAP5910_DPLL_DIV)) / CONFIG_XTAL_FREQ) + +#define OMAP5910_ARM_PER_DIV 2 /* CKL/4 */ +#define OMAP5910_LCD_DIV 2 /* CKL/4 */ +#define OMAP5910_ARM_DIV 0 /* CKL/1 */ +#define OMAP5910_DSP_DIV 0 /* CKL/1 */ +#define OMAP5910_TC_DIV 1 /* CKL/2 */ +#define OMAP5910_DSP_MMU_DIV 1 /* CKL/2 */ +#define OMAP5910_ARM_TIM_SEL 1 /* CKL used for MPU timers */ + +#define OMAP5910_ARM_EN_CLK 0x03d6 /* 0000 0011 1101 0110b Clock Enable */ +#define OMAP5910_ARM_CKCTL ((OMAP5910_ARM_PER_DIV) | \ + (OMAP5910_LCD_DIV << 2) | \ + (OMAP5910_ARM_DIV << 4) | \ + (OMAP5910_DSP_DIV << 6) | \ + (OMAP5910_TC_DIV << 8) | \ + (OMAP5910_DSP_MMU_DIV << 10) | \ + (OMAP5910_ARM_TIM_SEL << 12)) + +#define VOICEBLUE_LED_REG 0x04030000 + +#endif /* __CONFIG_H */ diff --git a/lib_m68k/time.c b/lib_m68k/time.c index e2c1b060b4..1d6d29736f 100644 --- a/lib_m68k/time.c +++ b/lib_m68k/time.c @@ -135,7 +135,7 @@ void udelay(unsigned long usec) uint tmp; timerp = (volatile unsigned short *) (CFG_MBAR + MCFTIMER_BASE3); - + while (usec > 0) { if (usec > 65000) tmp = 65000; @@ -150,7 +150,7 @@ void udelay(unsigned long usec) timerp[MCFTIMER_PCSR] = (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; - timerp[MCFTIMER_PMR] = tmp; + timerp[MCFTIMER_PMR] = tmp; while (timerp[MCFTIMER_PCNTR] > 0); } }