From: Wolfgang Denk Date: Sat, 8 May 2010 23:16:51 +0000 (+0200) Subject: Merge branch 'master' of git://git.denx.de/u-boot-mpc83xx X-Git-Tag: v2010.06-rc1~23 X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=ab92d0fd9abd0d4726878a80c6baf3a0f94770b8;hp=fd194f82d1c30802f0597a3e359fdc03ed397367 Merge branch 'master' of git://git.denx.de/u-boot-mpc83xx --- diff --git a/Makefile b/Makefile index 2d96574154..82cbbf458a 100644 --- a/Makefile +++ b/Makefile @@ -38,9 +38,9 @@ HOSTARCH := $(shell uname -m | \ -e s/sun4u/sparc64/ \ -e s/arm.*/arm/ \ -e s/sa110/arm/ \ - -e s/powerpc/ppc/ \ - -e s/ppc64/ppc/ \ - -e s/macppc/ppc/) + -e s/ppc64/powerpc/ \ + -e s/ppc/powerpc/ \ + -e s/macppc/powerpc/) HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ sed -e 's/\(cygwin\).*/cygwin/') diff --git a/arch/.gitignore b/arch/.gitignore new file mode 100644 index 0000000000..a1fbe01d57 --- /dev/null +++ b/arch/.gitignore @@ -0,0 +1,2 @@ +/*/include/asm/arch +/*/include/asm/proc diff --git a/arch/powerpc/cpu/mpc5xxx/cpu.c b/arch/powerpc/cpu/mpc5xxx/cpu.c index b20234d32e..44b8a7a6d4 100644 --- a/arch/powerpc/cpu/mpc5xxx/cpu.c +++ b/arch/powerpc/cpu/mpc5xxx/cpu.c @@ -154,26 +154,6 @@ void ft_cpu_setup(void *blob, bd_t *bd) } #endif -#ifdef CONFIG_BOOTCOUNT_LIMIT - -void bootcount_store (ulong a) -{ - volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB); - - *save_addr = (BOOTCOUNT_MAGIC & 0xffff0000) | a; -} - -ulong bootcount_load (void) -{ - volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB); - - if ((*save_addr & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) - return 0; - else - return (*save_addr & 0x0000ffff); -} -#endif /* CONFIG_BOOTCOUNT_LIMIT */ - #ifdef CONFIG_MPC5xxx_FEC /* Default initializations for FEC controllers. To override, * create a board-specific function called: diff --git a/arch/powerpc/cpu/mpc8260/commproc.c b/arch/powerpc/cpu/mpc8260/commproc.c index 111a67c98c..c522bc5c07 100644 --- a/arch/powerpc/cpu/mpc8260/commproc.c +++ b/arch/powerpc/cpu/mpc8260/commproc.c @@ -195,27 +195,3 @@ ulong post_word_load (void) } #endif /* CONFIG_POST || CONFIG_LOGBUFFER*/ - -#ifdef CONFIG_BOOTCOUNT_LIMIT - -void bootcount_store (ulong a) -{ - volatile ulong *save_addr = - (volatile ulong *)(CONFIG_SYS_IMMR + CPM_BOOTCOUNT_ADDR); - - save_addr[0] = a; - save_addr[1] = BOOTCOUNT_MAGIC; -} - -ulong bootcount_load (void) -{ - volatile ulong *save_addr = - (volatile ulong *)(CONFIG_SYS_IMMR + CPM_BOOTCOUNT_ADDR); - - if (save_addr[1] != BOOTCOUNT_MAGIC) - return 0; - else - return save_addr[0]; -} - -#endif /* CONFIG_BOOTCOUNT_LIMIT */ diff --git a/arch/powerpc/cpu/mpc83xx/cpu.c b/arch/powerpc/cpu/mpc83xx/cpu.c index 8b98a57758..d3be909761 100644 --- a/arch/powerpc/cpu/mpc83xx/cpu.c +++ b/arch/powerpc/cpu/mpc83xx/cpu.c @@ -304,33 +304,3 @@ int cpu_mmc_init(bd_t *bis) return 0; #endif } - -#ifdef CONFIG_BOOTCOUNT_LIMIT - -#if !defined(CONFIG_MPC8360) -#error "CONFIG_BOOTCOUNT_LIMIT only for MPC8360 implemented" -#endif - -#if !defined(CONFIG_BOOTCOUNT_ADDR) -#define CONFIG_BOOTCOUNT_ADDR (0x110000 + QE_MURAM_SIZE - 2 * sizeof(unsigned long)) -#endif - -#include - -void bootcount_store (ulong a) -{ - void *reg = (void *)(CONFIG_SYS_IMMR + CONFIG_BOOTCOUNT_ADDR); - out_be32 (reg, a); - out_be32 (reg + 4, BOOTCOUNT_MAGIC); -} - -ulong bootcount_load (void) -{ - void *reg = (void *)(CONFIG_SYS_IMMR + CONFIG_BOOTCOUNT_ADDR); - - if (in_be32 (reg + 4) != BOOTCOUNT_MAGIC) - return 0; - else - return in_be32 (reg); -} -#endif /* CONFIG_BOOTCOUNT_LIMIT */ diff --git a/arch/powerpc/cpu/mpc8xx/commproc.c b/arch/powerpc/cpu/mpc8xx/commproc.c index a87a0dce88..2c85377762 100644 --- a/arch/powerpc/cpu/mpc8xx/commproc.c +++ b/arch/powerpc/cpu/mpc8xx/commproc.c @@ -103,29 +103,3 @@ ulong post_word_load (void) } #endif /* CONFIG_POST || CONFIG_LOGBUFFER*/ - -#ifdef CONFIG_BOOTCOUNT_LIMIT - -void bootcount_store (ulong a) -{ - volatile ulong *save_addr = - (volatile ulong *)( ((immap_t *) CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + - CPM_BOOTCOUNT_ADDR ); - - save_addr[0] = a; - save_addr[1] = BOOTCOUNT_MAGIC; -} - -ulong bootcount_load (void) -{ - volatile ulong *save_addr = - (volatile ulong *)( ((immap_t *) CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + - CPM_BOOTCOUNT_ADDR ); - - if (save_addr[1] != BOOTCOUNT_MAGIC) - return 0; - else - return save_addr[0]; -} - -#endif /* CONFIG_BOOTCOUNT_LIMIT */ diff --git a/arch/powerpc/cpu/ppc4xx/commproc.c b/arch/powerpc/cpu/ppc4xx/commproc.c index a1696d37e6..6bf95e67b2 100644 --- a/arch/powerpc/cpu/ppc4xx/commproc.c +++ b/arch/powerpc/cpu/ppc4xx/commproc.c @@ -51,27 +51,3 @@ ulong post_word_load (void) } #endif /* CONFIG_POST || CONFIG_LOGBUFFER*/ - -#ifdef CONFIG_BOOTCOUNT_LIMIT - -void bootcount_store (ulong a) -{ - volatile ulong *save_addr = - (volatile ulong *)(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_BOOTCOUNT_ADDR); - - save_addr[0] = a; - save_addr[1] = BOOTCOUNT_MAGIC; -} - -ulong bootcount_load (void) -{ - volatile ulong *save_addr = - (volatile ulong *)(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_BOOTCOUNT_ADDR); - - if (save_addr[1] != BOOTCOUNT_MAGIC) - return 0; - else - return save_addr[0]; -} - -#endif /* CONFIG_BOOTCOUNT_LIMIT */ diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 334e457805..5f85502d1c 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -33,6 +33,7 @@ SOBJS-y += reloc.o COBJS-y += bat_rw.o COBJS-y += board.o COBJS-y += bootm.o +COBJS-$(CONFIG_BOOTCOUNT_LIMIT) += bootcount.o COBJS-y += cache.o COBJS-y += extable.o COBJS-y += interrupts.o diff --git a/arch/powerpc/lib/bootcount.c b/arch/powerpc/lib/bootcount.c new file mode 100644 index 0000000000..6346527677 --- /dev/null +++ b/arch/powerpc/lib/bootcount.c @@ -0,0 +1,90 @@ +/* + * (C) Copyright 2010 + * Stefan Roese, DENX Software Engineering, sr@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 +#include + +/* + * Only override CONFIG_SYS_BOOTCOUNT_ADDR if not already defined. This + * way, some boards can define it directly in their config header. + */ +#if !defined(CONFIG_SYS_BOOTCOUNT_ADDR) + +#if defined(CONFIG_MPC5xxx) +#define CONFIG_SYS_BOOTCOUNT_ADDR (MPC5XXX_CDM_BRDCRMB) +#define CONFIG_SYS_BOOTCOUNT_SINGLEWORD +#endif /* defined(CONFIG_MPC5xxx) */ + +#if defined(CONFIG_8xx) +#define CONFIG_SYS_BOOTCOUNT_ADDR (((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + \ + CPM_BOOTCOUNT_ADDR) +#endif /* defined(CONFIG_8xx) */ + +#if defined(CONFIG_MPC8260) +#include + +#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + CPM_BOOTCOUNT_ADDR) +#endif /* defined(CONFIG_MPC8260) */ + +#if defined(CONFIG_MPC8360) +#include + +#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + 0x110000 + \ + QE_MURAM_SIZE - 2 * sizeof(u32)) +#endif /* defined(CONFIG_MPC8360) */ + +#if defined(CONFIG_4xx) +#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_OCM_DATA_ADDR + \ + CONFIG_SYS_BOOTCOUNT_ADDR) +#endif /* defined(CONFIG_4xx) */ + +#endif /* !defined(CONFIG_SYS_BOOTCOUNT_ADDR) */ + +void bootcount_store(ulong a) +{ + void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; + +#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) + out_be32(reg, (BOOTCOUNT_MAGIC & 0xffff0000) | a); +#else + out_be32(reg, a); + out_be32(reg + 4, BOOTCOUNT_MAGIC); +#endif +} + +ulong bootcount_load(void) +{ + void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; + +#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) + if (in_be16(reg + 2) != (BOOTCOUNT_MAGIC & 0xffff)) + return 0; + else + return in_be16(reg); +#else + if (in_be32(reg + 4) != BOOTCOUNT_MAGIC) + return 0; + else + return in_be32(reg); +#endif +} diff --git a/board/barco/barco.c b/board/barco/barco.c index d7a00782b8..c5fe8c4708 100644 --- a/board/barco/barco.c +++ b/board/barco/barco.c @@ -340,10 +340,6 @@ void serial_puts (const char *c) { return; } -void serial_addr (unsigned int i) -{ - return; -} int serial_getc (void) { return 0; diff --git a/common/cmd_usb.c b/common/cmd_usb.c index ee3755c121..fcb5f763c0 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -516,6 +516,11 @@ int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) block_dev_desc_t *stor_dev; #endif + if (argc < 2) { + cmd_usage(cmdtp); + return 1; + } + if ((strncmp(argv[1], "reset", 5) == 0) || (strncmp(argv[1], "start", 5) == 0)) { usb_stop(); diff --git a/drivers/i2c/bfin-twi_i2c.c b/drivers/i2c/bfin-twi_i2c.c index 73a78d2237..b3a04d3207 100644 --- a/drivers/i2c/bfin-twi_i2c.c +++ b/drivers/i2c/bfin-twi_i2c.c @@ -1,7 +1,7 @@ /* * i2c.c - driver for Blackfin on-chip TWI/I2C * - * Copyright (c) 2006-2008 Analog Devices Inc. + * Copyright (c) 2006-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ @@ -12,6 +12,35 @@ #include #include +/* Every register is 32bit aligned, but only 16bits in size */ +#define ureg(name) u16 name; u16 __pad_##name; +struct twi_regs { + ureg(clkdiv); + ureg(control); + ureg(slave_ctl); + ureg(slave_stat); + ureg(slave_addr); + ureg(master_ctl); + ureg(master_stat); + ureg(master_addr); + ureg(int_stat); + ureg(int_mask); + ureg(fifo_ctl); + ureg(fifo_stat); + char __pad[0x50]; + ureg(xmt_data8); + ureg(xmt_data16); + ureg(rcv_data8); + ureg(rcv_data16); +}; +#undef ureg + +/* U-Boot I2C framework allows only one active device at a time. */ +#ifdef TWI_CLKDIV +#define TWI0_CLKDIV TWI_CLKDIV +#endif +static volatile struct twi_regs *twi = (void *)TWI0_CLKDIV; + #ifdef DEBUG # define dmemset(s, c, n) memset(s, c, n) #else @@ -19,29 +48,10 @@ #endif #define debugi(fmt, args...) \ debug( \ - "MSTAT:0x%03x FSTAT:0x%x ISTAT:0x%02x\t" \ - "%-20s:%-3i: " fmt "\n", \ - bfin_read_TWI_MASTER_STAT(), bfin_read_TWI_FIFO_STAT(), bfin_read_TWI_INT_STAT(), \ + "MSTAT:0x%03x FSTAT:0x%x ISTAT:0x%02x\t%-20s:%-3i: " fmt "\n", \ + twi->master_stat, twi->fifo_stat, twi->int_stat, \ __func__, __LINE__, ## args) -#ifdef TWI0_CLKDIV -#define bfin_write_TWI_CLKDIV(val) bfin_write_TWI0_CLKDIV(val) -#define bfin_read_TWI_CLKDIV(val) bfin_read_TWI0_CLKDIV(val) -#define bfin_write_TWI_CONTROL(val) bfin_write_TWI0_CONTROL(val) -#define bfin_read_TWI_CONTROL(val) bfin_read_TWI0_CONTROL(val) -#define bfin_write_TWI_MASTER_ADDR(val) bfin_write_TWI0_MASTER_ADDR(val) -#define bfin_write_TWI_XMT_DATA8(val) bfin_write_TWI0_XMT_DATA8(val) -#define bfin_read_TWI_RCV_DATA8() bfin_read_TWI0_RCV_DATA8() -#define bfin_read_TWI_INT_STAT() bfin_read_TWI0_INT_STAT() -#define bfin_write_TWI_INT_STAT(val) bfin_write_TWI0_INT_STAT(val) -#define bfin_read_TWI_MASTER_STAT() bfin_read_TWI0_MASTER_STAT() -#define bfin_write_TWI_MASTER_STAT(val) bfin_write_TWI0_MASTER_STAT(val) -#define bfin_read_TWI_MASTER_CTL() bfin_read_TWI0_MASTER_CTL() -#define bfin_write_TWI_MASTER_CTL(val) bfin_write_TWI0_MASTER_CTL(val) -#define bfin_write_TWI_INT_MASK(val) bfin_write_TWI0_INT_MASK(val) -#define bfin_write_TWI_FIFO_CTL(val) bfin_write_TWI0_FIFO_CTL(val) -#endif - #ifdef CONFIG_TWICLK_KHZ # error do not define CONFIG_TWICLK_KHZ ... use CONFIG_SYS_I2C_SPEED #endif @@ -87,49 +97,48 @@ static int wait_for_completion(struct i2c_msg *msg) ulong timebase = get_timer(0); do { - int_stat = bfin_read_TWI_INT_STAT(); + int_stat = twi->int_stat; if (int_stat & XMTSERV) { debugi("processing XMTSERV"); - bfin_write_TWI_INT_STAT(XMTSERV); + twi->int_stat = XMTSERV; SSYNC(); if (msg->alen) { - bfin_write_TWI_XMT_DATA8(*(msg->abuf++)); + twi->xmt_data8 = *(msg->abuf++); --msg->alen; } else if (!(msg->flags & I2C_M_COMBO) && msg->len) { - bfin_write_TWI_XMT_DATA8(*(msg->buf++)); + twi->xmt_data8 = *(msg->buf++); --msg->len; } else { - bfin_write_TWI_MASTER_CTL(bfin_read_TWI_MASTER_CTL() | - (msg->flags & I2C_M_COMBO ? RSTART | MDIR : STOP)); + twi->master_ctl |= (msg->flags & I2C_M_COMBO) ? RSTART | MDIR : STOP; SSYNC(); } } if (int_stat & RCVSERV) { debugi("processing RCVSERV"); - bfin_write_TWI_INT_STAT(RCVSERV); + twi->int_stat = RCVSERV; SSYNC(); if (msg->len) { - *(msg->buf++) = bfin_read_TWI_RCV_DATA8(); + *(msg->buf++) = twi->rcv_data8; --msg->len; } else if (msg->flags & I2C_M_STOP) { - bfin_write_TWI_MASTER_CTL(bfin_read_TWI_MASTER_CTL() | STOP); + twi->master_ctl |= STOP; SSYNC(); } } if (int_stat & MERR) { debugi("processing MERR"); - bfin_write_TWI_INT_STAT(MERR); + twi->int_stat = MERR; SSYNC(); return msg->len; } if (int_stat & MCOMP) { debugi("processing MCOMP"); - bfin_write_TWI_INT_STAT(MCOMP); + twi->int_stat = MCOMP; SSYNC(); if (msg->flags & I2C_M_COMBO && msg->len) { - bfin_write_TWI_MASTER_CTL((bfin_read_TWI_MASTER_CTL() & ~RSTART) | - (min(msg->len, 0xff) << 6) | MEN | MDIR); + twi->master_ctl = (twi->master_ctl & ~RSTART) | + (min(msg->len, 0xff) << 6) | MEN | MDIR; SSYNC(); } else break; @@ -172,55 +181,54 @@ static int i2c_transfer(uchar chip, uint addr, int alen, uchar *buffer, int len, chip, addr, alen, buffer[0], len, flags, (flags & I2C_M_READ ? "rd" : "wr")); /* wait for things to settle */ - while (bfin_read_TWI_MASTER_STAT() & BUSBUSY) + while (twi->master_stat & BUSBUSY) if (ctrlc()) return 1; /* Set Transmit device address */ - bfin_write_TWI_MASTER_ADDR(chip); + twi->master_addr = chip; /* Clear the FIFO before starting things */ - bfin_write_TWI_FIFO_CTL(XMTFLUSH | RCVFLUSH); + twi->fifo_ctl = XMTFLUSH | RCVFLUSH; SSYNC(); - bfin_write_TWI_FIFO_CTL(0); + twi->fifo_ctl = 0; SSYNC(); /* prime the pump */ if (msg.alen) { len = (msg.flags & I2C_M_COMBO) ? msg.alen : msg.alen + len; debugi("first byte=0x%02x", *msg.abuf); - bfin_write_TWI_XMT_DATA8(*(msg.abuf++)); + twi->xmt_data8 = *(msg.abuf++); --msg.alen; } else if (!(msg.flags & I2C_M_READ) && msg.len) { debugi("first byte=0x%02x", *msg.buf); - bfin_write_TWI_XMT_DATA8(*(msg.buf++)); + twi->xmt_data8 = *(msg.buf++); --msg.len; } /* clear int stat */ - bfin_write_TWI_MASTER_STAT(-1); - bfin_write_TWI_INT_STAT(-1); - bfin_write_TWI_INT_MASK(0); + twi->master_stat = -1; + twi->int_stat = -1; + twi->int_mask = 0; SSYNC(); /* Master enable */ - bfin_write_TWI_MASTER_CTL( - (bfin_read_TWI_MASTER_CTL() & FAST) | + twi->master_ctl = + (twi->master_ctl & FAST) | (min(len, 0xff) << 6) | MEN | - ((msg.flags & I2C_M_READ) ? MDIR : 0) - ); + ((msg.flags & I2C_M_READ) ? MDIR : 0); SSYNC(); - debugi("CTL=0x%04x", bfin_read_TWI_MASTER_CTL()); + debugi("CTL=0x%04x", twi->master_ctl); /* process the rest */ ret = wait_for_completion(&msg); debugi("ret=%d", ret); if (ret) { - bfin_write_TWI_MASTER_CTL(bfin_read_TWI_MASTER_CTL() & ~MEN); - bfin_write_TWI_CONTROL(bfin_read_TWI_CONTROL() & ~TWI_ENA); + twi->master_ctl &= ~MEN; + twi->control &= ~TWI_ENA; SSYNC(); - bfin_write_TWI_CONTROL(bfin_read_TWI_CONTROL() | TWI_ENA); + twi->control |= TWI_ENA; SSYNC(); } @@ -238,10 +246,10 @@ int i2c_set_bus_speed(unsigned int speed) /* Set TWI interface clock */ if (clkdiv < I2C_DUTY_MAX || clkdiv > I2C_DUTY_MIN) return -1; - bfin_write_TWI_CLKDIV((clkdiv << 8) | (clkdiv & 0xff)); + twi->clkdiv = (clkdiv << 8) | (clkdiv & 0xff); /* Don't turn it on */ - bfin_write_TWI_MASTER_CTL(speed > 100000 ? FAST : 0); + twi->master_ctl = (speed > 100000 ? FAST : 0); return 0; } @@ -253,7 +261,7 @@ int i2c_set_bus_speed(unsigned int speed) unsigned int i2c_get_bus_speed(void) { /* 10 MHz / (2 * CLKDIV) -> 5 MHz / CLKDIV */ - return 5000000 / (bfin_read_TWI_CLKDIV() & 0xff); + return 5000000 / (twi->clkdiv & 0xff); } /** @@ -269,24 +277,23 @@ void i2c_init(int speed, int slaveaddr) uint8_t prescale = ((get_sclk() / 1024 / 1024 + 5) / 10) & 0x7F; /* Set TWI internal clock as 10MHz */ - bfin_write_TWI_CONTROL(prescale); + twi->control = prescale; /* Set TWI interface clock as specified */ i2c_set_bus_speed(speed); /* Enable it */ - bfin_write_TWI_CONTROL(TWI_ENA | prescale); + twi->control = TWI_ENA | prescale; SSYNC(); - debugi("CONTROL:0x%04x CLKDIV:0x%04x", - bfin_read_TWI_CONTROL(), bfin_read_TWI_CLKDIV()); + debugi("CONTROL:0x%04x CLKDIV:0x%04x", twi->control, twi->clkdiv); #if CONFIG_SYS_I2C_SLAVE # error I2C slave support not tested/supported /* If they want us as a slave, do it */ if (slaveaddr) { - bfin_write_TWI_SLAVE_ADDR(slaveaddr); - bfin_write_TWI_SLAVE_CTL(SEN); + twi->slave_addr = slaveaddr; + twi->slave_ctl = SEN; } #endif } @@ -329,3 +336,43 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) { return i2c_transfer(chip, addr, alen, buffer, len, 0); } + +/** + * i2c_set_bus_num - change active I2C bus + * @bus: bus index, zero based + * @returns: 0 on success, non-0 on failure + */ +int i2c_set_bus_num(unsigned int bus) +{ + switch (bus) { +#if CONFIG_SYS_MAX_I2C_BUS > 0 + case 0: twi = (void *)TWI0_CLKDIV; return 0; +#endif +#if CONFIG_SYS_MAX_I2C_BUS > 1 + case 1: twi = (void *)TWI1_CLKDIV; return 0; +#endif +#if CONFIG_SYS_MAX_I2C_BUS > 2 + case 2: twi = (void *)TWI2_CLKDIV; return 0; +#endif + default: return -1; + } +} + +/** + * i2c_get_bus_num - returns index of active I2C bus + */ +unsigned int i2c_get_bus_num(void) +{ + switch ((unsigned long)twi) { +#if CONFIG_SYS_MAX_I2C_BUS > 0 + case TWI0_CLKDIV: return 0; +#endif +#if CONFIG_SYS_MAX_I2C_BUS > 1 + case TWI1_CLKDIV: return 1; +#endif +#if CONFIG_SYS_MAX_I2C_BUS > 2 + case TWI2_CLKDIV: return 2; +#endif + default: return -1; + } +} diff --git a/include/.gitignore b/include/.gitignore index 4481412022..77594e53ff 100644 --- a/include/.gitignore +++ b/include/.gitignore @@ -1,7 +1,5 @@ /autoconf.mk* /asm -/asm-*/arch -/asm-*/proc /bmp_logo.h /config.h /config.mk diff --git a/include/common.h b/include/common.h index 5591e1d04b..8bca04fdd7 100644 --- a/include/common.h +++ b/include/common.h @@ -470,7 +470,6 @@ void ft_pci_setup(void *blob, bd_t *bd); /* $(CPU)/serial.c */ int serial_init (void); void serial_exit (void); -void serial_addr (unsigned int); void serial_setbrg (void); void serial_putc (const char); void serial_putc_raw(const char);