diff options
| -rw-r--r-- | drivers/i2c/mxc_i2c.c | 18 | ||||
| -rw-r--r-- | include/asm-generic/global_data.h | 3 |
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index 595019b3b88..48468d74bdd 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -22,6 +22,8 @@ #include <i2c.h> #include <watchdog.h> +DECLARE_GLOBAL_DATA_PTR; + #ifdef I2C_QUIRK_REG struct mxc_i2c_regs { uint8_t iadr; @@ -411,12 +413,6 @@ struct sram_data { struct i2c_parms i2c_data[3]; }; -/* - * For SPL boot some boards need i2c before SDRAM is initialized so force - * variables to live in SRAM - */ -static struct sram_data __attribute__((section(".data"))) srdata; - static void * const i2c_bases[] = { #if defined(CONFIG_MX25) (void *)IMX_I2C_BASE, @@ -445,9 +441,10 @@ void *i2c_get_base(struct i2c_adapter *adap) static struct i2c_parms *i2c_get_parms(void *base) { + struct sram_data *srdata = (void *)gd->srdata; int i = 0; - struct i2c_parms *p = srdata.i2c_data; - while (i < ARRAY_SIZE(srdata.i2c_data)) { + struct i2c_parms *p = srdata->i2c_data; + while (i < ARRAY_SIZE(srdata->i2c_data)) { if (p->base == base) return p; p++; @@ -490,8 +487,9 @@ static int mxc_i2c_probe(struct i2c_adapter *adap, uint8_t chip) void bus_i2c_init(void *base, int speed, int unused, int (*idle_bus_fn)(void *p), void *idle_bus_data) { + struct sram_data *srdata = (void *)gd->srdata; int i = 0; - struct i2c_parms *p = srdata.i2c_data; + struct i2c_parms *p = srdata->i2c_data; if (!base) return; for (;;) { @@ -505,7 +503,7 @@ void bus_i2c_init(void *base, int speed, int unused, } p++; i++; - if (i >= ARRAY_SIZE(srdata.i2c_data)) + if (i >= ARRAY_SIZE(srdata->i2c_data)) return; } bus_i2c_set_bus_speed(base, speed); diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index 707400e8479..e98b661e358 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -80,6 +80,9 @@ typedef struct global_data { #if defined(CONFIG_SYS_I2C) int cur_i2c_bus; /* current used i2c bus */ #endif +#ifdef CONFIG_SYS_I2C_MXC + void *srdata[10]; +#endif unsigned long timebase_h; unsigned long timebase_l; struct arch_global_data arch; /* architecture-specific data */ |