diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/ihs_i2c.c | 57 |
1 files changed, 23 insertions, 34 deletions
diff --git a/drivers/i2c/ihs_i2c.c b/drivers/i2c/ihs_i2c.c index 0922fe9bb1..5313490bf3 100644 --- a/drivers/i2c/ihs_i2c.c +++ b/drivers/i2c/ihs_i2c.c @@ -8,8 +8,7 @@ #include <i2c.h> #ifdef CONFIG_DM_I2C #include <dm.h> -#include <fpgamap.h> -#include "../misc/gdsys_soc.h" +#include <regmap.h> #else #include <gdsys_fpga.h> #endif @@ -18,18 +17,24 @@ #ifdef CONFIG_DM_I2C struct ihs_i2c_priv { uint speed; - phys_addr_t addr; + struct regmap *map; }; -enum { - REG_INTERRUPT_STATUS = 0x00, - REG_INTERRUPT_ENABLE_CONTROL = 0x02, - REG_WRITE_MAILBOX_EXT = 0x04, - REG_WRITE_MAILBOX = 0x06, - REG_READ_MAILBOX_EXT = 0x08, - REG_READ_MAILBOX = 0x0A, +struct ihs_i2c_regs { + u16 interrupt_status; + u16 interrupt_enable_control; + u16 write_mailbox_ext; + u16 write_mailbox; + u16 read_mailbox_ext; + u16 read_mailbox; }; +#define ihs_i2c_set(map, member, val) \ + regmap_set(map, struct ihs_i2c_regs, member, val) + +#define ihs_i2c_get(map, member, valp) \ + regmap_get(map, struct ihs_i2c_regs, member, valp) + #else /* !CONFIG_DM_I2C */ DECLARE_GLOBAL_DATA_PTR; @@ -92,14 +97,10 @@ static int wait_for_int(bool read) uint ctr = 0; #ifdef CONFIG_DM_I2C struct ihs_i2c_priv *priv = dev_get_priv(dev); - struct udevice *fpga; - - gdsys_soc_get_fpga(dev, &fpga); #endif #ifdef CONFIG_DM_I2C - fpgamap_read(fpga, priv->addr + REG_INTERRUPT_STATUS, &val, - FPGAMAP_SIZE_16); + ihs_i2c_get(priv->map, interrupt_status, &val); #else I2C_GET_REG(interrupt_status, &val); #endif @@ -110,8 +111,7 @@ static int wait_for_int(bool read) if (ctr++ > 5000) return 1; #ifdef CONFIG_DM_I2C - fpgamap_read(fpga, priv->addr + REG_INTERRUPT_STATUS, &val, - FPGAMAP_SIZE_16); + ihs_i2c_get(priv->map, interrupt_status, &val); #else I2C_GET_REG(interrupt_status, &val); #endif @@ -132,18 +132,13 @@ static int ihs_i2c_transfer(uchar chip, uchar *buffer, int len, bool read, u16 data; #ifdef CONFIG_DM_I2C struct ihs_i2c_priv *priv = dev_get_priv(dev); - struct udevice *fpga; - - gdsys_soc_get_fpga(dev, &fpga); #endif /* Clear interrupt status */ data = I2CINT_ERROR_EV | I2CINT_RECEIVE_EV | I2CINT_TRANSMIT_EV; #ifdef CONFIG_DM_I2C - fpgamap_write(fpga, priv->addr + REG_INTERRUPT_STATUS, &data, - FPGAMAP_SIZE_16); - fpgamap_read(fpga, priv->addr + REG_INTERRUPT_STATUS, &val, - FPGAMAP_SIZE_16); + ihs_i2c_set(priv->map, interrupt_status, data); + ihs_i2c_get(priv->map, interrupt_status, &val); #else I2C_SET_REG(interrupt_status, data); I2C_GET_REG(interrupt_status, &val); @@ -156,8 +151,7 @@ static int ihs_i2c_transfer(uchar chip, uchar *buffer, int len, bool read, if (len > 1) val |= buffer[1] << 8; #ifdef CONFIG_DM_I2C - fpgamap_write(fpga, priv->addr + REG_WRITE_MAILBOX_EXT, &val, - FPGAMAP_SIZE_16); + ihs_i2c_set(priv->map, write_mailbox_ext, val); #else I2C_SET_REG(write_mailbox_ext, val); #endif @@ -170,8 +164,7 @@ static int ihs_i2c_transfer(uchar chip, uchar *buffer, int len, bool read, | (is_last ? 0 : I2CMB_HOLD_BUS); #ifdef CONFIG_DM_I2C - fpgamap_write(fpga, priv->addr + REG_WRITE_MAILBOX, &data, - FPGAMAP_SIZE_16); + ihs_i2c_set(priv->map, write_mailbox, data); #else I2C_SET_REG(write_mailbox, data); #endif @@ -186,8 +179,7 @@ static int ihs_i2c_transfer(uchar chip, uchar *buffer, int len, bool read, /* If we want to read, get the bytes from the mailbox */ if (read) { #ifdef CONFIG_DM_I2C - fpgamap_read(fpga, priv->addr + REG_READ_MAILBOX_EXT, &val, - FPGAMAP_SIZE_16); + ihs_i2c_get(priv->map, read_mailbox_ext, &val); #else I2C_GET_REG(read_mailbox_ext, &val); #endif @@ -270,11 +262,8 @@ static int ihs_i2c_access(struct i2c_adapter *adap, uchar chip, u8 *addr, int ihs_i2c_probe(struct udevice *bus) { struct ihs_i2c_priv *priv = dev_get_priv(bus); - int addr; - - addr = dev_read_u32_default(bus, "reg", -1); - priv->addr = addr; + regmap_init_mem(dev_ofnode(bus), &priv->map); return 0; } |