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[85.214.87.163]) by mx.google.com with ESMTP id oi6si1881141bkb.132.2014.03.27.09.01.17 for ; Thu, 27 Mar 2014 09:01:18 -0700 (PDT) Received-SPF: pass (google.com: domain of u-boot-bounces@lists.denx.de designates 85.214.87.163 as permitted sender) client-ip=85.214.87.163; Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 7DC954B5D6; Thu, 27 Mar 2014 17:00:56 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8dwmG+BRqoEq; Thu, 27 Mar 2014 17:00:56 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id D290C4B64D; Thu, 27 Mar 2014 17:00:01 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id EBBF04B617 for ; Thu, 27 Mar 2014 16:59:36 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YFnZ1pOCeD4t for ; Thu, 27 Mar 2014 16:59:33 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by theia.denx.de (Postfix) with ESMTPS id 230604B5FA for ; Thu, 27 Mar 2014 16:59:18 +0100 (CET) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id s2RFxGKs028938 for ; Thu, 27 Mar 2014 10:59:16 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s2RFxGQC007252 for ; Thu, 27 Mar 2014 10:59:16 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.174.1; Thu, 27 Mar 2014 10:59:15 -0500 Received: from ares-ubuntu.am.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s2RFxF1S010901; Thu, 27 Mar 2014 10:59:15 -0500 Received: from a0868495 by ares-ubuntu.am.dhcp.ti.com with local (Exim 4.76) (envelope-from ) id 1WTCi2-000319-O4; Thu, 27 Mar 2014 11:59:14 -0400 From: Murali Karicheri To: , Date: Thu, 27 Mar 2014 11:59:09 -0400 Message-ID: <1395935952-11542-7-git-send-email-m-karicheri2@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1395935952-11542-1-git-send-email-m-karicheri2@ti.com> References: <1395935952-11542-1-git-send-email-m-karicheri2@ti.com> MIME-Version: 1.0 Subject: [U-Boot] [PATCH v4 6/9] i2c, davinci: convert driver to new mutlibus/mutliadapter framework X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: m-karicheri2@ti.com X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.128.174 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 From: Vitaly Andrianov - add davinci driver to new multibus/multiadpater support - adapted all config files, which uses this driver Signed-off-by: Vitaly Andrianov Signed-off-by: Murali Karicheri --- arch/arm/cpu/arm926ejs/davinci/dm355.c | 2 +- arch/arm/cpu/arm926ejs/davinci/dm365.c | 2 +- arch/arm/cpu/arm926ejs/davinci/dm644x.c | 2 +- arch/arm/cpu/arm926ejs/davinci/dm646x.c | 2 +- drivers/i2c/Makefile | 2 +- drivers/i2c/davinci_i2c.c | 401 ++++++++++++++++++------------- drivers/i2c/davinci_i2c.h | 27 ++- include/configs/cam_enc_4xx.h | 8 +- include/configs/da830evm.h | 8 +- include/configs/da850evm.h | 8 +- include/configs/davinci_dm355evm.h | 8 +- include/configs/davinci_dm355leopard.h | 8 +- include/configs/davinci_dm365evm.h | 8 +- include/configs/davinci_dm6467evm.h | 8 +- include/configs/davinci_dvevm.h | 8 +- include/configs/davinci_schmoogie.h | 8 +- include/configs/davinci_sffsdr.h | 8 +- include/configs/davinci_sonata.h | 8 +- include/configs/ea20.h | 6 +- include/configs/enbw_cmc.h | 8 +- 20 files changed, 305 insertions(+), 235 deletions(-) diff --git a/arch/arm/cpu/arm926ejs/davinci/dm355.c b/arch/arm/cpu/arm926ejs/davinci/dm355.c index 5f85162..f9550a1 100644 --- a/arch/arm/cpu/arm926ejs/davinci/dm355.c +++ b/arch/arm/cpu/arm926ejs/davinci/dm355.c @@ -19,7 +19,7 @@ void davinci_enable_uart0(void) } -#ifdef CONFIG_DRIVER_DAVINCI_I2C +#ifdef CONFIG_SYS_I2C_DAVINCI void davinci_enable_i2c(void) { lpsc_on(DAVINCI_LPSC_I2C); diff --git a/arch/arm/cpu/arm926ejs/davinci/dm365.c b/arch/arm/cpu/arm926ejs/davinci/dm365.c index 0af2d02..f6ca527 100644 --- a/arch/arm/cpu/arm926ejs/davinci/dm365.c +++ b/arch/arm/cpu/arm926ejs/davinci/dm365.c @@ -12,7 +12,7 @@ void davinci_enable_uart0(void) lpsc_on(DAVINCI_LPSC_UART0); } -#ifdef CONFIG_DRIVER_DAVINCI_I2C +#ifdef CONFIG_SYS_I2C_DAVINCI void davinci_enable_i2c(void) { lpsc_on(DAVINCI_LPSC_I2C); diff --git a/arch/arm/cpu/arm926ejs/davinci/dm644x.c b/arch/arm/cpu/arm926ejs/davinci/dm644x.c index 788e578..c58e271 100644 --- a/arch/arm/cpu/arm926ejs/davinci/dm644x.c +++ b/arch/arm/cpu/arm926ejs/davinci/dm644x.c @@ -47,7 +47,7 @@ void davinci_enable_emac(void) } #endif -#ifdef CONFIG_DRIVER_DAVINCI_I2C +#ifdef CONFIG_SYS_I2C_DAVINCI void davinci_enable_i2c(void) { lpsc_on(DAVINCI_LPSC_I2C); diff --git a/arch/arm/cpu/arm926ejs/davinci/dm646x.c b/arch/arm/cpu/arm926ejs/davinci/dm646x.c index 86a508f..cfea830 100644 --- a/arch/arm/cpu/arm926ejs/davinci/dm646x.c +++ b/arch/arm/cpu/arm926ejs/davinci/dm646x.c @@ -18,7 +18,7 @@ void davinci_enable_emac(void) } #endif -#ifdef CONFIG_DRIVER_DAVINCI_I2C +#ifdef CONFIG_SYS_I2C_DAVINCI void davinci_enable_i2c(void) { lpsc_on(DAVINCI_DM646X_LPSC_I2C); diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 36d5e5f..fd1cb11 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -6,7 +6,7 @@ # obj-$(CONFIG_BFIN_TWI_I2C) += bfin-twi_i2c.o -obj-$(CONFIG_DRIVER_DAVINCI_I2C) += davinci_i2c.o +obj-$(CONFIG_SYS_I2C_DAVINCI) += davinci_i2c.o obj-$(CONFIG_DW_I2C) += designware_i2c.o obj-$(CONFIG_I2C_MVTWSI) += mvtwsi.o obj-$(CONFIG_I2C_MV) += mv_i2c.o diff --git a/drivers/i2c/davinci_i2c.c b/drivers/i2c/davinci_i2c.c index 6e5260c..9ca99c4 100644 --- a/drivers/i2c/davinci_i2c.c +++ b/drivers/i2c/davinci_i2c.c @@ -1,8 +1,9 @@ /* * TI DaVinci (TMS320DM644x) I2C driver. * - * Copyright (C) 2007 Sergey Kubushyn - * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * (C) Copyright 2007 Sergey Kubushyn * -------------------------------------------------------- * * SPDX-License-Identifier: GPL-2.0+ @@ -12,306 +13,372 @@ #include #include #include +#include #include "davinci_i2c.h" #define CHECK_NACK() \ do {\ if (tmp & (I2C_TIMEOUT | I2C_STAT_NACK)) {\ - REG(I2C_CON) = 0;\ - return(1);\ - }\ + REG(&(i2c_base->i2c_con)) = 0;\ + return 1;\ + } \ } while (0) +static struct i2c_regs *davinci_get_base(struct i2c_adapter *adap); -static int wait_for_bus(void) +static int wait_for_bus(struct i2c_adapter *adap) { + struct i2c_regs *i2c_base = davinci_get_base(adap); int stat, timeout; - REG(I2C_STAT) = 0xffff; + REG(&(i2c_base->i2c_stat)) = 0xffff; for (timeout = 0; timeout < 10; timeout++) { - if (!((stat = REG(I2C_STAT)) & I2C_STAT_BB)) { - REG(I2C_STAT) = 0xffff; - return(0); + stat = REG(&(i2c_base->i2c_stat)); + if (!((stat) & I2C_STAT_BB)) { + REG(&(i2c_base->i2c_stat)) = 0xffff; + return 0; } - REG(I2C_STAT) = stat; + REG(&(i2c_base->i2c_stat)) = stat; udelay(50000); } - REG(I2C_STAT) = 0xffff; - return(1); + REG(&(i2c_base->i2c_stat)) = 0xffff; + return 1; } -static int poll_i2c_irq(int mask) +static int poll_i2c_irq(struct i2c_adapter *adap, int mask) { + struct i2c_regs *i2c_base = davinci_get_base(adap); int stat, timeout; for (timeout = 0; timeout < 10; timeout++) { udelay(1000); - stat = REG(I2C_STAT); - if (stat & mask) { - return(stat); - } + stat = REG(&(i2c_base->i2c_stat)); + if (stat & mask) + return stat; } - REG(I2C_STAT) = 0xffff; - return(stat | I2C_TIMEOUT); + REG(&(i2c_base->i2c_stat)) = 0xffff; + return stat | I2C_TIMEOUT; } - -void flush_rx(void) +static void flush_rx(struct i2c_adapter *adap) { + struct i2c_regs *i2c_base = davinci_get_base(adap); + while (1) { - if (!(REG(I2C_STAT) & I2C_STAT_RRDY)) + if (!(REG(&(i2c_base->i2c_stat)) & I2C_STAT_RRDY)) break; - REG(I2C_DRR); - REG(I2C_STAT) = I2C_STAT_RRDY; + REG(&(i2c_base->i2c_drr)); + REG(&(i2c_base->i2c_stat)) = I2C_STAT_RRDY; udelay(1000); } } +static uint davinci_i2c_setspeed(struct i2c_adapter *adap, uint speed) +{ + struct i2c_regs *i2c_base = davinci_get_base(adap); + uint32_t div, psc; + + psc = 2; + /* SCLL + SCLH */ + div = (CONFIG_SYS_HZ_CLOCK / ((psc + 1) * speed)) - 10; + REG(&(i2c_base->i2c_psc)) = psc; /* 27MHz / (2 + 1) = 9MHz */ + REG(&(i2c_base->i2c_scll)) = (div * 50) / 100; /* 50% Duty */ + REG(&(i2c_base->i2c_sclh)) = div - REG(&(i2c_base->i2c_scll)); + + adap->speed = speed; + return 0; +} -void i2c_init(int speed, int slaveadd) +static void davinci_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd) { - u_int32_t div, psc; + struct i2c_regs *i2c_base = davinci_get_base(adap); - if (REG(I2C_CON) & I2C_CON_EN) { - REG(I2C_CON) = 0; - udelay (50000); + if (REG(&(i2c_base->i2c_con)) & I2C_CON_EN) { + REG(&(i2c_base->i2c_con)) = 0; + udelay(50000); } - psc = 2; - div = (CONFIG_SYS_HZ_CLOCK / ((psc + 1) * speed)) - 10; /* SCLL + SCLH */ - REG(I2C_PSC) = psc; /* 27MHz / (2 + 1) = 9MHz */ - REG(I2C_SCLL) = (div * 50) / 100; /* 50% Duty */ - REG(I2C_SCLH) = div - REG(I2C_SCLL); + davinci_i2c_setspeed(adap, speed); - REG(I2C_OA) = slaveadd; - REG(I2C_CNT) = 0; + REG(&(i2c_base->i2c_oa)) = slaveadd; + REG(&(i2c_base->i2c_cnt)) = 0; /* Interrupts must be enabled or I2C module won't work */ - REG(I2C_IE) = I2C_IE_SCD_IE | I2C_IE_XRDY_IE | + REG(&(i2c_base->i2c_ie)) = I2C_IE_SCD_IE | I2C_IE_XRDY_IE | I2C_IE_RRDY_IE | I2C_IE_ARDY_IE | I2C_IE_NACK_IE; /* Now enable I2C controller (get it out of reset) */ - REG(I2C_CON) = I2C_CON_EN; + REG(&(i2c_base->i2c_con)) = I2C_CON_EN; udelay(1000); } -int i2c_set_bus_speed(unsigned int speed) -{ - i2c_init(speed, CONFIG_SYS_I2C_SLAVE); - return 0; -} - -int i2c_probe(u_int8_t chip) +static int davinci_i2c_probe(struct i2c_adapter *adap, uint8_t chip) { + struct i2c_regs *i2c_base = davinci_get_base(adap); int rc = 1; - if (chip == REG(I2C_OA)) { - return(rc); - } + if (chip == REG(&(i2c_base->i2c_oa))) + return rc; - REG(I2C_CON) = 0; - if (wait_for_bus()) {return(1);} + REG(&(i2c_base->i2c_con)) = 0; + if (wait_for_bus(adap)) + return 1; /* try to read one byte from current (or only) address */ - REG(I2C_CNT) = 1; - REG(I2C_SA) = chip; - REG(I2C_CON) = (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP); - udelay (50000); + REG(&(i2c_base->i2c_cnt)) = 1; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | + I2C_CON_STP); + udelay(50000); - if (!(REG(I2C_STAT) & I2C_STAT_NACK)) { + if (!(REG(&(i2c_base->i2c_stat)) & I2C_STAT_NACK)) { rc = 0; - flush_rx(); - REG(I2C_STAT) = 0xffff; + flush_rx(adap); + REG(&(i2c_base->i2c_stat)) = 0xffff; } else { - REG(I2C_STAT) = 0xffff; - REG(I2C_CON) |= I2C_CON_STP; + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_con)) |= I2C_CON_STP; udelay(20000); - if (wait_for_bus()) {return(1);} + if (wait_for_bus(adap)) + return 1; } - flush_rx(); - REG(I2C_STAT) = 0xffff; - REG(I2C_CNT) = 0; - return(rc); + flush_rx(adap); + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_cnt)) = 0; + return rc; } - -int i2c_read(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len) +static int davinci_i2c_read(struct i2c_adapter *adap, uint8_t chip, + uint32_t addr, int alen, uint8_t *buf, int len) { - u_int32_t tmp; + struct i2c_regs *i2c_base = davinci_get_base(adap); + uint32_t tmp; int i; if ((alen < 0) || (alen > 2)) { - printf("%s(): bogus address length %x\n", __FUNCTION__, alen); - return(1); + printf("%s(): bogus address length %x\n", __func__, alen); + return 1; } - if (wait_for_bus()) {return(1);} + if (wait_for_bus(adap)) + return 1; if (alen != 0) { /* Start address phase */ tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX; - REG(I2C_CNT) = alen; - REG(I2C_SA) = chip; - REG(I2C_CON) = tmp; + REG(&(i2c_base->i2c_cnt)) = alen; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = tmp; - tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK); CHECK_NACK(); switch (alen) { - case 2: - /* Send address MSByte */ - if (tmp & I2C_STAT_XRDY) { - REG(I2C_DXR) = (addr >> 8) & 0xff; - } else { - REG(I2C_CON) = 0; - return(1); - } - - tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); - - CHECK_NACK(); - /* No break, fall through */ - case 1: - /* Send address LSByte */ - if (tmp & I2C_STAT_XRDY) { - REG(I2C_DXR) = addr & 0xff; - } else { - REG(I2C_CON) = 0; - return(1); - } - - tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK | I2C_STAT_ARDY); - - CHECK_NACK(); - - if (!(tmp & I2C_STAT_ARDY)) { - REG(I2C_CON) = 0; - return(1); - } + case 2: + /* Send address MSByte */ + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = (addr >> 8) & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + + tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK); + + CHECK_NACK(); + /* No break, fall through */ + case 1: + /* Send address LSByte */ + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = addr & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + + tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | + I2C_STAT_NACK | I2C_STAT_ARDY); + + CHECK_NACK(); + + if (!(tmp & I2C_STAT_ARDY)) { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } } } /* Address phase is over, now read 'len' bytes and stop */ tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP; - REG(I2C_CNT) = len & 0xffff; - REG(I2C_SA) = chip; - REG(I2C_CON) = tmp; + REG(&(i2c_base->i2c_cnt)) = len & 0xffff; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = tmp; for (i = 0; i < len; i++) { - tmp = poll_i2c_irq(I2C_STAT_RRDY | I2C_STAT_NACK | I2C_STAT_ROVR); + tmp = poll_i2c_irq(adap, I2C_STAT_RRDY | I2C_STAT_NACK | + I2C_STAT_ROVR); CHECK_NACK(); if (tmp & I2C_STAT_RRDY) { - buf[i] = REG(I2C_DRR); + buf[i] = REG(&(i2c_base->i2c_drr)); } else { - REG(I2C_CON) = 0; - return(1); + REG(&(i2c_base->i2c_con)) = 0; + return 1; } } - tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK); + tmp = poll_i2c_irq(adap, I2C_STAT_SCD | I2C_STAT_NACK); CHECK_NACK(); if (!(tmp & I2C_STAT_SCD)) { - REG(I2C_CON) = 0; - return(1); + REG(&(i2c_base->i2c_con)) = 0; + return 1; } - flush_rx(); - REG(I2C_STAT) = 0xffff; - REG(I2C_CNT) = 0; - REG(I2C_CON) = 0; + flush_rx(adap); + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_cnt)) = 0; + REG(&(i2c_base->i2c_con)) = 0; - return(0); + return 0; } - -int i2c_write(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len) +static int davinci_i2c_write(struct i2c_adapter *adap, uint8_t chip, + uint32_t addr, int alen, uint8_t *buf, int len) { - u_int32_t tmp; + struct i2c_regs *i2c_base = davinci_get_base(adap); + uint32_t tmp; int i; if ((alen < 0) || (alen > 2)) { - printf("%s(): bogus address length %x\n", __FUNCTION__, alen); - return(1); + printf("%s(): bogus address length %x\n", __func__, alen); + return 1; } if (len < 0) { - printf("%s(): bogus length %x\n", __FUNCTION__, len); - return(1); + printf("%s(): bogus length %x\n", __func__, len); + return 1; } - if (wait_for_bus()) {return(1);} + if (wait_for_bus(adap)) + return 1; /* Start address phase */ - tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX | I2C_CON_STP; - REG(I2C_CNT) = (alen == 0) ? len & 0xffff : (len & 0xffff) + alen; - REG(I2C_SA) = chip; - REG(I2C_CON) = tmp; + tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | + I2C_CON_TRX | I2C_CON_STP; + REG(&(i2c_base->i2c_cnt)) = (alen == 0) ? + len & 0xffff : (len & 0xffff) + alen; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = tmp; switch (alen) { - case 2: - /* Send address MSByte */ - tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + case 2: + /* Send address MSByte */ + tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK); - CHECK_NACK(); + CHECK_NACK(); - if (tmp & I2C_STAT_XRDY) { - REG(I2C_DXR) = (addr >> 8) & 0xff; - } else { - REG(I2C_CON) = 0; - return(1); - } - /* No break, fall through */ - case 1: - /* Send address LSByte */ - tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = (addr >> 8) & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + /* No break, fall through */ + case 1: + /* Send address LSByte */ + tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK); - CHECK_NACK(); + CHECK_NACK(); - if (tmp & I2C_STAT_XRDY) { - REG(I2C_DXR) = addr & 0xff; - } else { - REG(I2C_CON) = 0; - return(1); - } + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = addr & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } } for (i = 0; i < len; i++) { - tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK); CHECK_NACK(); - if (tmp & I2C_STAT_XRDY) { - REG(I2C_DXR) = buf[i]; - } else { - return(1); - } + if (tmp & I2C_STAT_XRDY) + REG(&(i2c_base->i2c_dxr)) = buf[i]; + else + return 1; } - tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK); + tmp = poll_i2c_irq(adap, I2C_STAT_SCD | I2C_STAT_NACK); CHECK_NACK(); if (!(tmp & I2C_STAT_SCD)) { - REG(I2C_CON) = 0; - return(1); + REG(&(i2c_base->i2c_con)) = 0; + return 1; } - flush_rx(); - REG(I2C_STAT) = 0xffff; - REG(I2C_CNT) = 0; - REG(I2C_CON) = 0; + flush_rx(adap); + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_cnt)) = 0; + REG(&(i2c_base->i2c_con)) = 0; + + return 0; +} + +static struct i2c_regs *davinci_get_base(struct i2c_adapter *adap) +{ + switch (adap->hwadapnr) { +#if I2C_BUS_MAX >= 3 + case 2: + return (struct i2c_regs *)I2C2_BASE; +#endif +#if I2C_BUS_MAX >= 2 + case 1: + return (struct i2c_regs *)I2C1_BASE; +#endif + case 0: + return (struct i2c_regs *)I2C_BASE; + + default: + printf("wrong hwadapnr: %d\n", adap->hwadapnr); + } - return(0); + return NULL; } + +U_BOOT_I2C_ADAP_COMPLETE(davinci_0, davinci_i2c_init, davinci_i2c_probe, + davinci_i2c_read, davinci_i2c_write, + davinci_i2c_setspeed, + CONFIG_SYS_DAVINCI_I2C_SPEED, + CONFIG_SYS_DAVINCI_I2C_SLAVE, + 0) + +#if I2C_BUS_MAX >= 2 +U_BOOT_I2C_ADAP_COMPLETE(davinci_1, davinci_i2c_init, davinci_i2c_probe, + davinci_i2c_read, davinci_i2c_write, + davinci_i2c_setspeed, + CONFIG_SYS_DAVINCI_I2C_SPEED1, + CONFIG_SYS_DAVINCI_I2C_SLAVE1, + 1) +#endif + +#if I2C_BUS_MAX >= 3 +U_BOOT_I2C_ADAP_COMPLETE(davinci_2, davinci_i2c_init, davinci_i2c_probe, + davinci_i2c_read, davinci_i2c_write, + davinci_i2c_setspeed, + CONFIG_SYS_DAVINCI_I2C_SPEED2, + CONFIG_SYS_DAVINCI_I2C_SLAVE2, + 2) +#endif diff --git a/drivers/i2c/davinci_i2c.h b/drivers/i2c/davinci_i2c.h index 79ff7a3..20d4342 100644 --- a/drivers/i2c/davinci_i2c.h +++ b/drivers/i2c/davinci_i2c.h @@ -12,18 +12,21 @@ #define I2C_WRITE 0 #define I2C_READ 1 -#define I2C_OA (I2C_BASE + 0x00) -#define I2C_IE (I2C_BASE + 0x04) -#define I2C_STAT (I2C_BASE + 0x08) -#define I2C_SCLL (I2C_BASE + 0x0c) -#define I2C_SCLH (I2C_BASE + 0x10) -#define I2C_CNT (I2C_BASE + 0x14) -#define I2C_DRR (I2C_BASE + 0x18) -#define I2C_SA (I2C_BASE + 0x1c) -#define I2C_DXR (I2C_BASE + 0x20) -#define I2C_CON (I2C_BASE + 0x24) -#define I2C_IV (I2C_BASE + 0x28) -#define I2C_PSC (I2C_BASE + 0x30) +struct i2c_regs { + u32 i2c_oa; + u32 i2c_ie; + u32 i2c_stat; + u32 i2c_scll; + u32 i2c_sclh; + u32 i2c_cnt; + u32 i2c_drr; + u32 i2c_sa; + u32 i2c_dxr; + u32 i2c_con; + u32 i2c_iv; + u32 res_2c; + u32 i2c_psc; +}; /* I2C masks */ diff --git a/include/configs/cam_enc_4xx.h b/include/configs/cam_enc_4xx.h index 8182a75..d1a8ff2 100644 --- a/include/configs/cam_enc_4xx.h +++ b/include/configs/cam_enc_4xx.h @@ -57,10 +57,10 @@ #define CONFIG_RESET_PHY_R /* I2C */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 400000 -#define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 400000 +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 0x10 /* SMBus host address */ /* NAND: socketed, two chipselects, normally 2 GBytes */ #define CONFIG_NAND_DAVINCI diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h index c4cc62e..2717195 100644 --- a/include/configs/da830evm.h +++ b/include/configs/da830evm.h @@ -55,10 +55,10 @@ /* * I2C Configuration */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 25000 /* 100Kbps won't work, H/W bug */ -#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 25000 /* 100Kbps won't work, H/W bug */ +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ /* * I2C EEPROM definitions for catalyst 24W256 EEPROM chip diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h index 509fe20..860a11d 100644 --- a/include/configs/da850evm.h +++ b/include/configs/da850evm.h @@ -166,10 +166,10 @@ /* * I2C Configuration */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 25000 -#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 25000 +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ #define CONFIG_SYS_I2C_EXPANDER_ADDR 0x20 /* diff --git a/include/configs/davinci_dm355evm.h b/include/configs/davinci_dm355evm.h index 6382e75..c2e187e 100644 --- a/include/configs/davinci_dm355evm.h +++ b/include/configs/davinci_dm355evm.h @@ -41,10 +41,10 @@ #define DM9000_DATA (CONFIG_DM9000_BASE + 2) /* I2C */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 400000 -#define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 400000 +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 0x10 /* SMBus host address */ /* NAND: socketed, two chipselects, normally 2 GBytes */ #define CONFIG_NAND_DAVINCI diff --git a/include/configs/davinci_dm355leopard.h b/include/configs/davinci_dm355leopard.h index 234bbc0..5188fdf 100644 --- a/include/configs/davinci_dm355leopard.h +++ b/include/configs/davinci_dm355leopard.h @@ -40,10 +40,10 @@ #define DM9000_DATA (CONFIG_DM9000_BASE + 16) /* I2C */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 400000 -#define CONFIG_SYS_I2C_SLAVE 0x10 +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 400000 +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 0x10 /* NAND */ #define CONFIG_NAND_DAVINCI diff --git a/include/configs/davinci_dm365evm.h b/include/configs/davinci_dm365evm.h index b547289..c4fccfd 100644 --- a/include/configs/davinci_dm365evm.h +++ b/include/configs/davinci_dm365evm.h @@ -49,10 +49,10 @@ #define CONFIG_NET_RETRY_COUNT 10 /* I2C */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 400000 -#define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 400000 +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 0x10 /* SMBus host address */ /* NAND: socketed, two chipselects, normally 2 GBytes */ #define CONFIG_NAND_DAVINCI diff --git a/include/configs/davinci_dm6467evm.h b/include/configs/davinci_dm6467evm.h index 2132342..8a3c453 100644 --- a/include/configs/davinci_dm6467evm.h +++ b/include/configs/davinci_dm6467evm.h @@ -60,10 +60,10 @@ extern unsigned int davinci_arm_clk_get(void); #define CONFIG_BAUDRATE 115200 /* I2C Configuration */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 80000 -#define CONFIG_SYS_I2C_SLAVE 10 +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 80000 +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Network & Ethernet Configuration */ #define CONFIG_DRIVER_TI_EMAC diff --git a/include/configs/davinci_dvevm.h b/include/configs/davinci_dvevm.h index d8fa646..9b3d0fe 100644 --- a/include/configs/davinci_dvevm.h +++ b/include/configs/davinci_dvevm.h @@ -77,10 +77,10 @@ /*===================*/ /* I2C Configuration */ /*===================*/ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ -#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ /*==================================*/ /* Network & Ethernet Configuration */ /*==================================*/ diff --git a/include/configs/davinci_schmoogie.h b/include/configs/davinci_schmoogie.h index f9a0a76..96c8fe2 100644 --- a/include/configs/davinci_schmoogie.h +++ b/include/configs/davinci_schmoogie.h @@ -46,10 +46,10 @@ /*===================*/ /* I2C Configuration */ /*===================*/ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ -#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ /*==================================*/ /* Network & Ethernet Configuration */ /*==================================*/ diff --git a/include/configs/davinci_sffsdr.h b/include/configs/davinci_sffsdr.h index 44449df..6e07cce 100644 --- a/include/configs/davinci_sffsdr.h +++ b/include/configs/davinci_sffsdr.h @@ -42,10 +42,10 @@ #define CONFIG_CONS_INDEX 1 /* use UART0 for console */ #define CONFIG_BAUDRATE 115200 /* Default baud rate */ /* I2C Configuration */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ -#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ /* Network & Ethernet Configuration */ #define CONFIG_DRIVER_TI_EMAC #define CONFIG_MII diff --git a/include/configs/davinci_sonata.h b/include/configs/davinci_sonata.h index ac543f8..cd23aac 100644 --- a/include/configs/davinci_sonata.h +++ b/include/configs/davinci_sonata.h @@ -78,10 +78,10 @@ /*===================*/ /* I2C Configuration */ /*===================*/ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ -#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 80000 /* 100Kbps won't work, silicon bug */ +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ /*==================================*/ /* Network & Ethernet Configuration */ /*==================================*/ diff --git a/include/configs/ea20.h b/include/configs/ea20.h index 58e40ed..f7d46f3 100644 --- a/include/configs/ea20.h +++ b/include/configs/ea20.h @@ -78,9 +78,9 @@ /* * I2C Configuration */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 100000 +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 100000 /* * Network & Ethernet Configuration diff --git a/include/configs/enbw_cmc.h b/include/configs/enbw_cmc.h index 03b74a2..30ca95f 100644 --- a/include/configs/enbw_cmc.h +++ b/include/configs/enbw_cmc.h @@ -73,10 +73,10 @@ /* * I2C Configuration */ -#define CONFIG_HARD_I2C -#define CONFIG_DRIVER_DAVINCI_I2C -#define CONFIG_SYS_I2C_SPEED 80000 -#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_DAVINCI +#define CONFIG_SYS_DAVINCI_I2C_SPEED 80000 +#define CONFIG_SYS_DAVINCI_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ #define CONFIG_SYS_I2C_EXPANDER_ADDR 0x20 #define CONFIG_CMD_I2C