DM_I2C_COMPAT is a compatibility layer that allows using the non-DM I2C API when DM_I2C is used.When DM_I2C_COMPAT is not enabled for compilation, a compilation error will be generated. This patch solves the problem that the i2c-related api of the ls1088a platform does not support dm.
Signed-off-by: Chuanhua Han chuanhua.han@nxp.com --- depends on: - http://patchwork.ozlabs.org/project/uboot/list/?series=110856 - http://patchwork.ozlabs.org/project/uboot/list/?series=109459
arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 4 - board/freescale/ls1088a/ls1088a.c | 148 ++++++++++++++++++++++ include/configs/ls1088a_common.h | 3 - include/configs/ls1088ardb.h | 2 - 4 files changed, 148 insertions(+), 9 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index f3eaab960b..f0527e9aeb 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -154,10 +154,6 @@ config ARCH_LS1088A select ARCH_EARLY_INIT_R select BOARD_EARLY_INIT_F select SYS_I2C_MXC - select SYS_I2C_MXC_I2C1 - select SYS_I2C_MXC_I2C2 - select SYS_I2C_MXC_I2C3 - select SYS_I2C_MXC_I2C4 imply SCSI imply PANIC_HANG
diff --git a/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c index 6d11a134dc..2bac0708af 100644 --- a/board/freescale/ls1088a/ls1088a.c +++ b/board/freescale/ls1088a/ls1088a.c @@ -373,7 +373,15 @@ int select_i2c_ch_pca9547(u8 ch) { int ret;
+#ifndef CONFIG_DM_I2C ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); +#else + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(0, I2C_MUX_PCA_ADDR_PRI, 1, &dev); + if (!ret) + ret = dm_i2c_write(dev, 0, &ch, 1); +#endif if (ret) { puts("PCA: failed to select proper channel\n"); return ret; @@ -392,38 +400,89 @@ void board_retimer_init(void)
/* Access to Control/Shared register */ reg = 0x0; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1); +#else + struct udevice *dev; + + i2c_get_chip_for_busnum(0, I2C_RETIMER_ADDR, 1, &dev); + dm_i2c_write(dev, 0xff, ®, 1); +#endif
/* Read device revision and ID */ +#ifndef CONFIG_DM_I2C i2c_read(I2C_RETIMER_ADDR, 1, 1, ®, 1); +#else + dm_i2c_read(dev, 1, ®, 1); +#endif debug("Retimer version id = 0x%x\n", reg);
/* Enable Broadcast. All writes target all channel register sets */ reg = 0x0c; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1); +#else + dm_i2c_write(dev, 0xff, ®, 1); +#endif
/* Reset Channel Registers */ +#ifndef CONFIG_DM_I2C i2c_read(I2C_RETIMER_ADDR, 0, 1, ®, 1); +#else + dm_i2c_read(dev, 0, ®, 1); +#endif reg |= 0x4; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0, 1, ®, 1); +#else + dm_i2c_write(dev, 0, ®, 1); +#endif
/* Set data rate as 10.3125 Gbps */ reg = 0x90; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0x60, 1, ®, 1); +#else + dm_i2c_write(dev, 0x60, ®, 1); +#endif reg = 0xb3; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0x61, 1, ®, 1); +#else + dm_i2c_write(dev, 0x61, ®, 1); +#endif reg = 0x90; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0x62, 1, ®, 1); +#else + dm_i2c_write(dev, 0x62, ®, 1); +#endif reg = 0xb3; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1); +#else + dm_i2c_write(dev, 0x63, ®, 1); +#endif reg = 0xcd; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1); +#else + dm_i2c_write(dev, 0x64, ®, 1); +#endif
/* Select VCO Divider to full rate (000) */ +#ifndef CONFIG_DM_I2C i2c_read(I2C_RETIMER_ADDR, 0x2F, 1, ®, 1); +#else + dm_i2c_read(dev, 0x2F, ®, 1); +#endif reg &= 0x0f; reg |= 0x70; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR, 0x2F, 1, ®, 1); +#else + dm_i2c_write(dev, 0x2F, ®, 1); +#endif
#ifdef CONFIG_TARGET_LS1088AQDS /* Retimer is connected to I2C1_CH5 */ @@ -431,38 +490,88 @@ void board_retimer_init(void)
/* Access to Control/Shared register */ reg = 0x0; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, ®, 1); +#else + i2c_get_chip_for_busnum(0, I2C_RETIMER_ADDR2, 1, &dev); + dm_i2c_write(dev, 0xff, ®, 1); +#endif
/* Read device revision and ID */ +#ifndef CONFIG_DM_I2C i2c_read(I2C_RETIMER_ADDR2, 1, 1, ®, 1); +#else + dm_i2c_read(dev, 1, ®, 1); +#endif debug("Retimer version id = 0x%x\n", reg);
/* Enable Broadcast. All writes target all channel register sets */ reg = 0x0c; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, ®, 1); +#else + dm_i2c_write(dev, 0xff, ®, 1); +#endif
/* Reset Channel Registers */ +#ifndef CONFIG_DM_I2C i2c_read(I2C_RETIMER_ADDR2, 0, 1, ®, 1); +#else + dm_i2c_read(dev, 0, ®, 1); +#endif reg |= 0x4; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0, 1, ®, 1); +#else + dm_i2c_write(dev, 0, ®, 1); +#endif
/* Set data rate as 10.3125 Gbps */ reg = 0x90; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0x60, 1, ®, 1); +#else + dm_i2c_write(dev, 0x60, ®, 1); +#endif reg = 0xb3; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0x61, 1, ®, 1); +#else + dm_i2c_write(dev, 0x61, ®, 1); +#endif reg = 0x90; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0x62, 1, ®, 1); +#else + dm_i2c_write(dev, 0x62, ®, 1); +#endif reg = 0xb3; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0x63, 1, ®, 1); +#else + dm_i2c_write(dev, 0x63, ®, 1); +#endif reg = 0xcd; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0x64, 1, ®, 1); +#else + dm_i2c_write(dev, 0x64, ®, 1); +#endif
/* Select VCO Divider to full rate (000) */ +#ifndef CONFIG_DM_I2C i2c_read(I2C_RETIMER_ADDR2, 0x2F, 1, ®, 1); +#else + dm_i2c_read(dev, 0x2F, ®, 1); +#endif reg &= 0x0f; reg |= 0x70; +#ifndef CONFIG_DM_I2C i2c_write(I2C_RETIMER_ADDR2, 0x2F, 1, ®, 1); +#else + dm_i2c_write(dev, 0x2F, ®, 1); +#endif + #endif /*return the default channel*/ select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); @@ -499,16 +608,30 @@ int get_serdes_volt(void) u8 chan = PWM_CHANNEL0;
/* Select the PAGE 0 using PMBus commands PAGE for VDD */ +#ifndef CONFIG_DM_I2C ret = i2c_write(I2C_SVDD_MONITOR_ADDR, PMBUS_CMD_PAGE, 1, &chan, 1); +#else + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(0, I2C_SVDD_MONITOR_ADDR, 1, &dev); + if (!ret) + ret = dm_i2c_write(dev, PMBUS_CMD_PAGE, + &chan, 1); +#endif + if (ret) { printf("VID: failed to select VDD Page 0\n"); return ret; }
/* Read the output voltage using PMBus command READ_VOUT */ +#ifndef CONFIG_DM_I2C ret = i2c_read(I2C_SVDD_MONITOR_ADDR, PMBUS_CMD_READ_VOUT, 1, (void *)&vcode, 2); +#else + dm_i2c_read(dev, PMBUS_CMD_READ_VOUT, (void *)&vcode, 2); +#endif if (ret) { printf("VID: failed to read the volatge\n"); return ret; @@ -524,8 +647,17 @@ int set_serdes_volt(int svdd) svdd & 0xFF, (svdd & 0xFF00) >> 8};
/* Write the desired voltage code to the SVDD regulator */ +#ifndef CONFIG_DM_I2C ret = i2c_write(I2C_SVDD_MONITOR_ADDR, PMBUS_CMD_PAGE_PLUS_WRITE, 1, (void *)&buff, 5); +#else + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(0, I2C_SVDD_MONITOR_ADDR, 1, &dev); + if (!ret) + ret = dm_i2c_write(dev, PMBUS_CMD_PAGE_PLUS_WRITE, + (void *)&buff, 5); +#endif if (ret) { printf("VID: I2C failed to write to the volatge regulator\n"); return -1; @@ -556,8 +688,18 @@ int set_serdes_volt(int svdd) printf("SVDD changing of RDB\n");
/* Read the BRDCFG54 via CLPD */ +#ifndef CONFIG_DM_I2C ret = i2c_read(CONFIG_SYS_I2C_FPGA_ADDR, QIXIS_BRDCFG4_OFFSET, 1, (void *)&brdcfg4, 1); +#else + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_FPGA_ADDR, 1, &dev); + if (!ret) + ret = dm_i2c_read(dev, QIXIS_BRDCFG4_OFFSET, + (void *)&brdcfg4, 1); +#endif + if (ret) { printf("VID: I2C failed to read the CPLD BRDCFG4\n"); return -1; @@ -566,8 +708,14 @@ int set_serdes_volt(int svdd) brdcfg4 = brdcfg4 | 0x08;
/* Write to the BRDCFG4 */ +#ifndef CONFIG_DM_I2C ret = i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, QIXIS_BRDCFG4_OFFSET, 1, (void *)&brdcfg4, 1); +#else + ret = dm_i2c_write(dev, QIXIS_BRDCFG4_OFFSET, + (void *)&brdcfg4, 1); +#endif + if (ret) { debug("VID: I2C failed to set the SVDD CPLD BRDCFG4\n"); return -1; diff --git a/include/configs/ls1088a_common.h b/include/configs/ls1088a_common.h index e8e1dc2d92..53e0b4b368 100644 --- a/include/configs/ls1088a_common.h +++ b/include/configs/ls1088a_common.h @@ -66,9 +66,6 @@ /* Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2048 * 1024)
-/* I2C */ -#define CONFIG_SYS_I2C - /* Serial Port */ #define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_REG_SIZE 1 diff --git a/include/configs/ls1088ardb.h b/include/configs/ls1088ardb.h index 322adb530a..b71f70426c 100644 --- a/include/configs/ls1088ardb.h +++ b/include/configs/ls1088ardb.h @@ -269,9 +269,7 @@ * RTC configuration */ #define RTC -#define CONFIG_RTC_PCF8563 1 #define CONFIG_SYS_I2C_RTC_ADDR 0x51 /* Channel 3*/ -#define CONFIG_CMD_DATE #endif
/* EEPROM */