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| author | Heiko Schocher <hs@denx.de> | 2009-02-24 11:30:34 +0100 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2009-03-05 18:21:17 -0600 |
| commit | 19f0e93041dbfe22f8d39b98e4f7f9ea87b77803 (patch) | |
| tree | daee9618bf97254766a44843f66bd797732b6d4f /include | |
| parent | db1d72afd77287bc8577210f3f71ab249dcf146f (diff) | |
| download | u-boot-imx-19f0e93041dbfe22f8d39b98e4f7f9ea87b77803.zip u-boot-imx-19f0e93041dbfe22f8d39b98e4f7f9ea87b77803.tar.gz u-boot-imx-19f0e93041dbfe22f8d39b98e4f7f9ea87b77803.tar.bz2 | |
83xx, kmeter1: add I2C, dtt, eeprom support
This patch adds I2C support for the Keymile kmeter1 board.
It uses the First I2C Controller from the CPU, for
accessing 4 temperature sensors, an eeprom with IVM data
and the booteeprom over a pca9547 mux.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/keymile-common.h | 7 | ||||
| -rw-r--r-- | include/configs/kmeter1.h | 35 |
2 files changed, 35 insertions, 7 deletions
diff --git a/include/configs/keymile-common.h b/include/configs/keymile-common.h index d70bc48..c7f6ba3 100644 --- a/include/configs/keymile-common.h +++ b/include/configs/keymile-common.h @@ -42,13 +42,9 @@ #define CONFIG_CMD_IMMAP #define CONFIG_CMD_MII #define CONFIG_CMD_PING - -/* should go away, if kmeter I2C support is enabled */ -#if defined(CONFIG_MGCOGE) || defined(CONFIG_MGSUVD) #define CONFIG_CMD_DTT #define CONFIG_CMD_EEPROM #define CONFIG_CMD_I2C -#endif #undef CONFIG_WATCHDOG /* disable platform specific watchdog */ @@ -73,10 +69,7 @@ #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ #define CONFIG_CMDLINE_EDITING 1 /* add command line history */ -/* should go away, if kmeter I2C support is enabled */ -#if defined(CONFIG_MGCOGE) || defined(CONFIG_MGSUVD) #define CONFIG_HUSH_INIT_VAR 1 -#endif #define CONFIG_SYS_ALT_MEMTEST /* memory test, takes time */ #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */ diff --git a/include/configs/kmeter1.h b/include/configs/kmeter1.h index b86c61d..a23c9ed 100644 --- a/include/configs/kmeter1.h +++ b/include/configs/kmeter1.h @@ -32,6 +32,7 @@ /* include common defines/options for all Keymile boards */ #include "keymile-common.h" +#define CONFIG_MISC_INIT_R 1 /* * System Clock Setup */ @@ -300,6 +301,38 @@ #define CONFIG_ENV_SIZE 0x2000 #endif /* CFG_RAMBOOT */ +/* I2C */ +#define CONFIG_HARD_I2C /* I2C with hardware support */ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ +#define CONFIG_FSL_I2C +#define CONFIG_SYS_I2C_SPEED 200000 /* I2C speed and slave address */ +#define CONFIG_SYS_I2C_SLAVE 0x7F +#define CONFIG_SYS_I2C_OFFSET 0x3000 +#define CONFIG_I2C_MULTI_BUS 1 +#define CONFIG_I2C_CMD_TREE 1 +#define CONFIG_SYS_MAX_I2C_BUS 2 +#define CONFIG_I2C_MUX 1 + +/* EEprom support */ +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 +#define CONFIG_SYS_I2C_MULTI_EEPROMS 1 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE +#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 + +/* Support the IVM EEprom */ +#define CONFIG_SYS_IVM_EEPROM_ADR 0x50 +#define CONFIG_SYS_IVM_EEPROM_MAX_LEN 0x400 +#define CONFIG_SYS_IVM_EEPROM_PAGE_LEN 0x100 + +/* I2C SYSMON (LM75, AD7414 is almost compatible) */ +#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */ +#define CONFIG_DTT_SENSORS {0, 1, 2, 3} /* Sensor addresses */ +#define CONFIG_SYS_DTT_MAX_TEMP 70 +#define CONFIG_SYS_DTT_LOW_TEMP -30 +#define CONFIG_SYS_DTT_HYSTERESIS 3 +#define CONFIG_SYS_DTT_BUS_NUM (2) + #if defined(CONFIG_PCI) #define CONFIG_CMD_PCI #endif @@ -452,6 +485,8 @@ "loadfdt=tftp ${fdt_addr_r} ${fdt_file}\0" \ "loadkernel=tftp ${kernel_addr_r} ${boot_file}\0" \ "unlock=yes\0" \ + "EEprom_ivm=pca9547:70:9\0" \ + "dtt_bus=pca9547:70:a\0" \ "" #endif /* __CONFIG_H */ |