diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/Makefile | 1 | ||||
| -rw-r--r-- | drivers/i2c/s3c44b0_i2c.c | 299 | ||||
| -rw-r--r-- | drivers/mmc/fsl_esdhc.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/mxs_nand.c | 3 | ||||
| -rw-r--r-- | drivers/net/cpsw.c | 10 | ||||
| -rw-r--r-- | drivers/net/fec_mxc.c | 4 | ||||
| -rw-r--r-- | drivers/net/fec_mxc.h | 4 | ||||
| -rw-r--r-- | drivers/power/pmic/Makefile | 2 | ||||
| -rw-r--r-- | drivers/power/pmic/pmic_tps65217.c | 109 | ||||
| -rw-r--r-- | drivers/power/pmic/pmic_tps65910.c | 83 | ||||
| -rw-r--r-- | drivers/rtc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/rtc/s3c44b0_rtc.c | 84 | ||||
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial.c | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_s3c44b0.c | 216 |
15 files changed, 212 insertions, 609 deletions
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 37ccbd1423..df3092eaf0 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -21,7 +21,6 @@ COBJS-$(CONFIG_DRIVER_OMAP24XX_I2C) += omap24xx_i2c.o COBJS-$(CONFIG_DRIVER_OMAP34XX_I2C) += omap24xx_i2c.o COBJS-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o COBJS-$(CONFIG_DRIVER_S3C24X0_I2C) += s3c24x0_i2c.o -COBJS-$(CONFIG_S3C44B0_I2C) += s3c44b0_i2c.o COBJS-$(CONFIG_TSI108_I2C) += tsi108_i2c.o COBJS-$(CONFIG_U8500_I2C) += u8500_i2c.o COBJS-$(CONFIG_SH_I2C) += sh_i2c.o diff --git a/drivers/i2c/s3c44b0_i2c.c b/drivers/i2c/s3c44b0_i2c.c deleted file mode 100644 index 8445e01caf..0000000000 --- a/drivers/i2c/s3c44b0_i2c.c +++ /dev/null @@ -1,299 +0,0 @@ -/* - * (C) Copyright 2004 - * DAVE Srl - * http://www.dave-tech.it - * http://www.wawnet.biz - * mailto:info@wawnet.biz - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <asm/hardware.h> - -/* - * Initialization, must be called once on start up, may be called - * repeatedly to change the speed and slave addresses. - */ -void i2c_init(int speed, int slaveaddr) -{ - /* - setting up I2C support - */ - unsigned int save_F,save_PF,rIICCON,rPCONA,rPDATA,rPCONF,rPUPF; - - save_F = PCONF; - save_PF = PUPF; - - rPCONF = ((save_F & ~(0xF))| 0xa); - rPUPF = (save_PF | 0x3); - PCONF = rPCONF; /*PF0:IICSCL, PF1:IICSDA*/ - PUPF = rPUPF; /* Disable pull-up */ - - /* Configuring pin for WC pin of EEprom */ - rPCONA = PCONA; - rPCONA &= ~(1<<9); - PCONA = rPCONA; - - rPDATA = PDATA; - rPDATA &= ~(1<<9); - PDATA = rPDATA; - - /* - Enable ACK, IICCLK=MCLK/16, enable interrupt - 75MHz/16/(12+1) = 390625 Hz - */ - rIICCON=(1<<7)|(0<<6)|(1<<5)|(0xC); - IICCON = rIICCON; - - IICADD = slaveaddr; -} - -/* - * Probe the given I2C chip address. Returns 0 if a chip responded, - * not 0 on failure. - */ -int i2c_probe(uchar chip) -{ - /* - not implemented - */ - - printf("i2c_probe chip %d\n", (int) chip); - return -1; -} - -/* - * Read/Write interface: - * chip: I2C chip address, range 0..127 - * addr: Memory (register) address within the chip - * alen: Number of bytes to use for addr (typically 1, 2 for larger - * memories, 0 for register type devices with only one - * register) - * buffer: Where to read/write the data - * len: How many bytes to read/write - * - * Returns: 0 on success, not 0 on failure - */ - -#define S3C44B0X_rIIC_INTPEND (1<<4) -#define S3C44B0X_rIIC_LAST_RECEIV_BIT (1<<0) -#define S3C44B0X_rIIC_INTERRUPT_ENABLE (1<<5) -#define S3C44B0_IIC_TIMEOUT 100 - -int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) -{ - - int k, j, temp; - u32 rIICSTAT; - - /* - send the device offset - */ - - rIICSTAT = 0xD0; - IICSTAT = rIICSTAT; - - IICDS = chip; /* this is a write operation... */ - - rIICSTAT |= (1<<5); - IICSTAT = rIICSTAT; - - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - udelay(2000); - } - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - /* wait and check ACK */ - temp = IICSTAT; - if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT ) - return -1; - - IICDS = addr; - IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND); - - /* wait and check ACK */ - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - udelay(2000); - } - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - temp = IICSTAT; - if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT ) - return -1; - - /* - now we can start with the read operation... - */ - - IICDS = chip | 0x01; /* this is a read operation... */ - - rIICSTAT = 0x90; /*master recv*/ - rIICSTAT |= (1<<5); - IICSTAT = rIICSTAT; - - IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND); - - /* wait and check ACK */ - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - udelay(2000); - } - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - temp = IICSTAT; - if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT ) - return -1; - - for (j=0; j<len-1; j++) { - - /*clear pending bit to resume */ - - temp = IICCON & ~(S3C44B0X_rIIC_INTPEND); - IICCON = temp; - - /* wait and check ACK */ - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - udelay(2000); - } - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - - buffer[j] = IICDS; /*save readed data*/ - - } /*end for(j)*/ - - /* - reading the last data - unset ACK generation - */ - temp = IICCON & ~(S3C44B0X_rIIC_INTPEND | (1<<7)); - IICCON = temp; - - /* wait but NOT check ACK */ - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - udelay(2000); - } - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - buffer[j] = IICDS; /*save readed data*/ - - rIICSTAT = 0x90; /*master recv*/ - - /* Write operation Terminate sending STOP */ - IICSTAT = rIICSTAT; - /*Clear Int Pending Bit to RESUME*/ - temp = IICCON; - IICCON = temp & (~S3C44B0X_rIIC_INTPEND); - - IICCON = IICCON | (1<<7); /*restore ACK generation*/ - - return 0; -} - -int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) -{ - int j, k; - u32 rIICSTAT, temp; - - - /* - send the device offset - */ - - rIICSTAT = 0xD0; - IICSTAT = rIICSTAT; - - IICDS = chip; /* this is a write operation... */ - - rIICSTAT |= (1<<5); - IICSTAT = rIICSTAT; - - IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND); - - /* wait and check ACK */ - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - udelay(2000); - } - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - temp = IICSTAT; - if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT ) - return -1; - - IICDS = addr; - IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND); - - /* wait and check ACK */ - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - udelay(2000); - } - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - temp = IICSTAT; - if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT ) - return -1; - - /* - now we can start with the read write operation - */ - for (j=0; j<len; j++) { - - IICDS = buffer[j]; /*prerare data to write*/ - - /*clear pending bit to resume*/ - - temp = IICCON & ~(S3C44B0X_rIIC_INTPEND); - IICCON = temp; - - /* wait but NOT check ACK */ - for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) { - temp = IICCON; - if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND) - break; - - udelay(2000); - } - - if (k==S3C44B0_IIC_TIMEOUT) - return -1; - - } /* end for(j) */ - - /* sending stop to terminate */ - rIICSTAT = 0xD0; /*master send*/ - IICSTAT = rIICSTAT; - /*Clear Int Pending Bit to RESUME*/ - temp = IICCON; - IICCON = temp & (~S3C44B0X_rIIC_INTPEND); - - return 0; -} diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index f87e647881..a7170b49db 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -518,6 +518,8 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg) return -1; mmc = malloc(sizeof(struct mmc)); + if (!mmc) + return -ENOMEM; sprintf(mmc->name, "FSL_SDHC"); regs = (struct fsl_esdhc *)cfg->esdhc_base; diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c index 378f8c513a..036c113ad3 100644 --- a/drivers/mtd/nand/mxs_nand.c +++ b/drivers/mtd/nand/mxs_nand.c @@ -155,6 +155,9 @@ static inline uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size, if (page_oob_size == 218) return 16; + + if (page_oob_size == 224) + return 16; } return 0; diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c index 9bab71a212..39240d9662 100644 --- a/drivers/net/cpsw.c +++ b/drivers/net/cpsw.c @@ -568,9 +568,14 @@ static void cpsw_set_slave_mac(struct cpsw_slave *slave, static void cpsw_slave_update_link(struct cpsw_slave *slave, struct cpsw_priv *priv, int *link) { - struct phy_device *phy = priv->phydev; + struct phy_device *phy; u32 mac_control = 0; + phy = priv->phydev; + + if (!phy) + return; + phy_startup(phy); *link = phy->link; @@ -947,6 +952,9 @@ static int cpsw_phy_init(struct eth_device *dev, struct cpsw_slave *slave) dev, slave->data->phy_if); + if (!phydev) + return -1; + phydev->supported &= supported; phydev->advertising = phydev->supported; diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 690e5724b4..107cd6ecc5 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -453,7 +453,7 @@ static int fec_open(struct eth_device *edev) */ writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_ETHER_EN, &fec->eth->ecntrl); -#if defined(CONFIG_MX25) || defined(CONFIG_MX53) +#if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL) udelay(100); /* * setup the MII gasket for RMII mode @@ -794,7 +794,7 @@ static int fec_recv(struct eth_device *dev) uint16_t bd_status; uint32_t addr, size, end; int i; - uchar buff[FEC_MAX_PKT_SIZE] __aligned(ARCH_DMA_MINALIGN); + ALLOC_CACHE_ALIGN_BUFFER(uchar, buff, FEC_MAX_PKT_SIZE); /* * Check if any critical events have happened diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h index 4b4f8b7983..0717cc6c31 100644 --- a/drivers/net/fec_mxc.h +++ b/drivers/net/fec_mxc.h @@ -135,7 +135,7 @@ struct ethernet_regs { uint32_t res14[7]; /* MBAR_ETH + 0x2E4-2FC */ -#if defined(CONFIG_MX25) || defined(CONFIG_MX53) +#if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL) uint16_t miigsk_cfgr; /* MBAR_ETH + 0x300 */ uint16_t res15[3]; /* MBAR_ETH + 0x302-306 */ uint16_t miigsk_enr; /* MBAR_ETH + 0x308 */ @@ -202,7 +202,7 @@ struct ethernet_regs { #define FEC_X_DES_ACTIVE_TDAR 0x01000000 #define FEC_R_DES_ACTIVE_RDAR 0x01000000 -#if defined(CONFIG_MX25) || defined(CONFIG_MX53) +#if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL) /* defines for MIIGSK */ /* RMII frequency control: 0=50MHz, 1=5MHz */ #define MIIGSK_CFGR_FRCONT (1 << 6) diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index f054470552..11b3d030e4 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -13,6 +13,8 @@ COBJS-$(CONFIG_POWER_MAX8998) += pmic_max8998.o COBJS-$(CONFIG_POWER_MAX8997) += pmic_max8997.o COBJS-$(CONFIG_POWER_MUIC_MAX8997) += muic_max8997.o COBJS-$(CONFIG_POWER_MAX77686) += pmic_max77686.o +COBJS-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o +COBJS-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/power/pmic/pmic_tps65217.c b/drivers/power/pmic/pmic_tps65217.c new file mode 100644 index 0000000000..36e9024bf8 --- /dev/null +++ b/drivers/power/pmic/pmic_tps65217.c @@ -0,0 +1,109 @@ +/* + * (C) Copyright 2011-2013 + * Texas Instruments, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <power/tps65217.h> + +/** + * tps65217_reg_read() - Generic function that can read a TPS65217 register + * @src_reg: Source register address + * @src_val: Address of destination variable + * @return: 0 for success, not 0 on failure. + */ +int tps65217_reg_read(uchar src_reg, uchar *src_val) +{ + return i2c_read(TPS65217_CHIP_PM, src_reg, 1, src_val, 1); +} + +/** + * tps65217_reg_write() - Generic function that can write a TPS65217 PMIC + * register or bit field regardless of protection + * level. + * + * @prot_level: Register password protection. Use + * TPS65217_PROT_LEVEL_NONE, + * TPS65217_PROT_LEVEL_1 or TPS65217_PROT_LEVEL_2 + * @dest_reg: Register address to write. + * @dest_val: Value to write. + * @mask: Bit mask (8 bits) to be applied. Function will only + * change bits that are set in the bit mask. + * + * @return: 0 for success, not 0 on failure, as per the i2c API + */ +int tps65217_reg_write(uchar prot_level, uchar dest_reg, uchar dest_val, + uchar mask) +{ + uchar read_val; + uchar xor_reg; + int ret; + + /* + * If we are affecting only a bit field, read dest_reg and apply the + * mask + */ + if (mask != TPS65217_MASK_ALL_BITS) { + ret = i2c_read(TPS65217_CHIP_PM, dest_reg, 1, &read_val, 1); + if (ret) + return ret; + read_val &= (~mask); + read_val |= (dest_val & mask); + dest_val = read_val; + } + + if (prot_level > 0) { + xor_reg = dest_reg ^ TPS65217_PASSWORD_UNLOCK; + ret = i2c_write(TPS65217_CHIP_PM, TPS65217_PASSWORD, 1, + &xor_reg, 1); + if (ret) + return ret; + } + + ret = i2c_write(TPS65217_CHIP_PM, dest_reg, 1, &dest_val, 1); + if (ret) + return ret; + + if (prot_level == TPS65217_PROT_LEVEL_2) { + ret = i2c_write(TPS65217_CHIP_PM, TPS65217_PASSWORD, 1, + &xor_reg, 1); + if (ret) + return ret; + + ret = i2c_write(TPS65217_CHIP_PM, dest_reg, 1, &dest_val, 1); + if (ret) + return ret; + } + + return 0; +} + +/** + * tps65217_voltage_update() - Function to change a voltage level, as this + * is a multi-step process. + * @dc_cntrl_reg: DC voltage control register to change. + * @volt_sel: New value for the voltage register + * @return: 0 for success, not 0 on failure. + */ +int tps65217_voltage_update(uchar dc_cntrl_reg, uchar volt_sel) +{ + if ((dc_cntrl_reg != TPS65217_DEFDCDC1) && + (dc_cntrl_reg != TPS65217_DEFDCDC2) && + (dc_cntrl_reg != TPS65217_DEFDCDC3)) + return 1; + + /* set voltage level */ + if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, dc_cntrl_reg, volt_sel, + TPS65217_MASK_ALL_BITS)) + return 1; + + /* set GO bit to initiate voltage transition */ + if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, TPS65217_DEFSLEW, + TPS65217_DCDC_GO, TPS65217_DCDC_GO)) + return 1; + + return 0; +} diff --git a/drivers/power/pmic/pmic_tps65910.c b/drivers/power/pmic/pmic_tps65910.c new file mode 100644 index 0000000000..7ee1160e0d --- /dev/null +++ b/drivers/power/pmic/pmic_tps65910.c @@ -0,0 +1,83 @@ +/* + * (C) Copyright 2011-2013 + * Texas Instruments, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <power/tps65910.h> + +/* + * tps65910_set_i2c_control() - Set the TPS65910 to be controlled via the I2C + * interface. + * @return: 0 on success, not 0 on failure + */ +int tps65910_set_i2c_control(void) +{ + int ret; + uchar buf; + + /* VDD1/2 voltage selection register access by control i/f */ + ret = i2c_read(TPS65910_CTRL_I2C_ADDR, TPS65910_DEVCTRL_REG, 1, + &buf, 1); + + if (ret) + return ret; + + buf |= TPS65910_DEVCTRL_REG_SR_CTL_I2C_SEL_CTL_I2C; + + return i2c_write(TPS65910_CTRL_I2C_ADDR, TPS65910_DEVCTRL_REG, 1, + &buf, 1); +} + +/* + * tps65910_voltage_update() - Voltage switching for MPU frequency switching. + * @module: mpu - 0, core - 1 + * @vddx_op_vol_sel: vdd voltage to set + * @return: 0 on success, not 0 on failure + */ +int tps65910_voltage_update(unsigned int module, unsigned char vddx_op_vol_sel) +{ + uchar buf; + unsigned int reg_offset; + int ret; + + if (module == MPU) + reg_offset = TPS65910_VDD1_OP_REG; + else + reg_offset = TPS65910_VDD2_OP_REG; + + /* Select VDDx OP */ + ret = i2c_read(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1); + if (ret) + return ret; + + buf &= ~TPS65910_OP_REG_CMD_MASK; + + ret = i2c_write(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1); + if (ret) + return ret; + + /* Configure VDDx OP Voltage */ + ret = i2c_read(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1); + if (ret) + return ret; + + buf &= ~TPS65910_OP_REG_SEL_MASK; + buf |= vddx_op_vol_sel; + + ret = i2c_write(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1); + if (ret) + return ret; + + ret = i2c_read(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1); + if (ret) + return ret; + + if ((buf & TPS65910_OP_REG_SEL_MASK) != vddx_op_vol_sel) + return 1; + + return 0; +} diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index b477c23ebd..dcc0632ff2 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -53,7 +53,6 @@ COBJS-$(CONFIG_RTC_RTC4543) += rtc4543.o COBJS-$(CONFIG_RTC_RV3029) += rv3029.o COBJS-$(CONFIG_RTC_RX8025) += rx8025.o COBJS-$(CONFIG_RTC_S3C24X0) += s3c24x0_rtc.o -COBJS-$(CONFIG_RTC_S3C44B0) += s3c44b0_rtc.o COBJS-$(CONFIG_RTC_X1205) += x1205.o COBJS := $(sort $(COBJS-y)) diff --git a/drivers/rtc/s3c44b0_rtc.c b/drivers/rtc/s3c44b0_rtc.c deleted file mode 100644 index de7898cc34..0000000000 --- a/drivers/rtc/s3c44b0_rtc.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * (C) Copyright 2004 - * DAVE Srl - * http://www.dave-tech.it - * http://www.wawnet.biz - * mailto:info@wawnet.biz - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * S3C44B0 CPU specific code - */ - -#include <common.h> -#include <command.h> -#include <asm/hardware.h> -#include <rtc.h> - -int rtc_get (struct rtc_time* tm) -{ - RTCCON |= 1; - tm->tm_year = bcd2bin(BCDYEAR); - tm->tm_mon = bcd2bin(BCDMON); - tm->tm_wday = bcd2bin(BCDDATE); - tm->tm_mday = bcd2bin(BCDDAY); - tm->tm_hour = bcd2bin(BCDHOUR); - tm->tm_min = bcd2bin(BCDMIN); - tm->tm_sec = bcd2bin(BCDSEC); - - if (tm->tm_sec==0) { - /* we have to re-read the rtc data because of the "one second deviation" problem */ - /* see RTC datasheet for more info about it */ - tm->tm_year = bcd2bin(BCDYEAR); - tm->tm_mon = bcd2bin(BCDMON); - tm->tm_mday = bcd2bin(BCDDAY); - tm->tm_wday = bcd2bin(BCDDATE); - tm->tm_hour = bcd2bin(BCDHOUR); - tm->tm_min = bcd2bin(BCDMIN); - tm->tm_sec = bcd2bin(BCDSEC); - } - - RTCCON &= ~1; - - if(tm->tm_year >= 70) - tm->tm_year += 1900; - else - tm->tm_year += 2000; - - return 0; -} - -int rtc_set (struct rtc_time* tm) -{ - if(tm->tm_year < 2000) - tm->tm_year -= 1900; - else - tm->tm_year -= 2000; - - RTCCON |= 1; - BCDYEAR = bin2bcd(tm->tm_year); - BCDMON = bin2bcd(tm->tm_mon); - BCDDAY = bin2bcd(tm->tm_mday); - BCDDATE = bin2bcd(tm->tm_wday); - BCDHOUR = bin2bcd(tm->tm_hour); - BCDMIN = bin2bcd(tm->tm_min); - BCDSEC = bin2bcd(tm->tm_sec); - RTCCON &= 1; - - return 0; -} - -void rtc_reset (void) -{ - RTCCON |= 1; - BCDYEAR = 0; - BCDMON = 0; - BCDDAY = 0; - BCDDATE = 0; - BCDHOUR = 0; - BCDMIN = 0; - BCDSEC = 0; - RTCCON &= 1; -} diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 4c45bfa363..e1fd7a5dc8 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -31,7 +31,6 @@ COBJS-$(CONFIG_PL011_SERIAL) += serial_pl01x.o COBJS-$(CONFIG_PXA_SERIAL) += serial_pxa.o COBJS-$(CONFIG_SA1100_SERIAL) += serial_sa1100.o COBJS-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o -COBJS-$(CONFIG_S3C44B0_SERIAL) += serial_s3c44b0.o COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o COBJS-$(CONFIG_SANDBOX_SERIAL) += sandbox.o COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c index 35dc61e020..df2b84aaaf 100644 --- a/drivers/serial/serial.c +++ b/drivers/serial/serial.c @@ -156,7 +156,6 @@ serial_initfunc(lh7a40x_serial_initialize); serial_initfunc(max3100_serial_initialize); serial_initfunc(mxc_serial_initialize); serial_initfunc(pl01x_serial_initialize); -serial_initfunc(s3c44b0_serial_initialize); serial_initfunc(sa1100_serial_initialize); serial_initfunc(sh_serial_initialize); serial_initfunc(arm_dcc_initialize); @@ -250,7 +249,6 @@ void serial_initialize(void) max3100_serial_initialize(); mxc_serial_initialize(); pl01x_serial_initialize(); - s3c44b0_serial_initialize(); sa1100_serial_initialize(); sh_serial_initialize(); arm_dcc_initialize(); diff --git a/drivers/serial/serial_s3c44b0.c b/drivers/serial/serial_s3c44b0.c deleted file mode 100644 index 2a07498c1e..0000000000 --- a/drivers/serial/serial_s3c44b0.c +++ /dev/null @@ -1,216 +0,0 @@ -pyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * ght 2002-2004 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/hardware.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* flush serial input queue. returns 0 on success or negative error - * number otherwise - */ -static int serial_flush_input(void) -{ - volatile u32 tmp; - - /* keep on reading as long as the receiver is not empty */ - while(UTRSTAT0&0x01) { - tmp = REGB(URXH0); - } - - return 0; -} - - -/* flush output queue. returns 0 on success or negative error number - * otherwise - */ -static int serial_flush_output(void) -{ - /* wait until the transmitter is no longer busy */ - while(!(UTRSTAT0 & 0x02)) { - } - - return 0; -} - - -static void s3c44b0_serial_setbrg(void) -{ - u32 divisor = 0; - - /* get correct divisor */ - switch(gd->baudrate) { - - case 1200: -#if CONFIG_S3C44B0_CLOCK_SPEED==66 - divisor = 3124; -#elif CONFIG_S3C44B0_CLOCK_SPEED==75 - divisor = 3905; -#else -# error CONFIG_S3C44B0_CLOCK_SPEED undefined -#endif - break; - - case 9600: -#if CONFIG_S3C44B0_CLOCK_SPEED==66 - divisor = 390; -#elif CONFIG_S3C44B0_CLOCK_SPEED==75 - divisor = 487; -#else -# error CONFIG_S3C44B0_CLOCK_SPEED undefined -#endif - break; - - case 19200: -#if CONFIG_S3C44B0_CLOCK_SPEED==66 - divisor = 194; -#elif CONFIG_S3C44B0_CLOCK_SPEED==75 - divisor = 243; -#else -# error CONFIG_S3C44B0_CLOCK_SPEED undefined -#endif - break; - - case 38400: -#if CONFIG_S3C44B0_CLOCK_SPEED==66 - divisor = 97; -#elif CONFIG_S3C44B0_CLOCK_SPEED==75 - divisor = 121; -#else -# error CONFIG_S3C44B0_CLOCK_SPEED undefined -#endif /* break; */ - - case 57600: -#if CONFIG_S3C44B0_CLOCK_SPEED==66 - divisor = 64; -#elif CONFIG_S3C44B0_CLOCK_SPEED==75 - divisor = 80; -#else -# error CONFIG_S3C44B0_CLOCK_SPEED undefined -#endif /* break; */ - - case 115200: -#if CONFIG_S3C44B0_CLOCK_SPEED==66 - divisor = 32; -#elif CONFIG_S3C44B0_CLOCK_SPEED==75 - divisor = 40; -#else -# error CONFIG_S3C44B0_CLOCK_SPEED undefined -#endif /* break; */ - } - - serial_flush_output(); - serial_flush_input(); - UFCON0 = 0x0; - ULCON0 = 0x03; - UCON0 = 0x05; - UBRDIV0 = divisor; - - UFCON1 = 0x0; - ULCON1 = 0x03; - UCON1 = 0x05; - UBRDIV1 = divisor; - - for(divisor=0; divisor<100; divisor++) { - /* NOP */ - } -} - - -/* - * Initialise the serial port with the given baudrate. The settings - * are always 8 data bits, no parity, 1 stop bit, no start bits. - * - */ -static int s3c44b0_serial_init(void) -{ - serial_setbrg (); - - return (0); -} - - -/* - * Output a single byte to the serial port. - */ -static void s3c44b0_serial_putc(const char c) -{ - /* wait for room in the transmit FIFO */ - while(!(UTRSTAT0 & 0x02)); - - UTXH0 = (unsigned char)c; - - /* - to be polite with serial console add a line feed - to the carriage return character - */ - if (c=='\n') - serial_putc('\r'); -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -static int s3c44b0_serial_tstc(void) -{ - return (UTRSTAT0 & 0x01); -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -static int s3c44b0_serial_getc(void) -{ - int rv; - - for(;;) { - rv = s3c44b0_serial_tstc(); - - if(rv > 0) - return URXH0; - } -} - -static struct serial_device s3c44b0_serial_drv = { - .name = "s3c44b0_serial", - .start = s3c44b0_serial_init, - .stop = NULL, - .setbrg = s3c44b0_serial_setbrg, - .putc = s3c44b0_serial_putc, - .puts = default_serial_puts, - .getc = s3c44b0_serial_getc, - .tstc = s3c44b0_serial_tstc, -}; - -void s3c44b0_serial_initialize(void) -{ - serial_register(&s3c44b0_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &s3c44b0_serial_drv; -} |