diff options
| author | Mathieu J. Poirier <mathieu.poirier@linaro.org> | 2012-07-31 08:59:29 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:20 +0200 |
| commit | 1e37322e5a2ff8b529d82a6c345d5e343f77a5fc (patch) | |
| tree | f0394e8d7b35437047db3ce1bb10207d4102c88f /board/st-ericsson/u8500/u8500_href.c | |
| parent | b95f9ec7d88b2b2362fab39a66fdccb3d6be53d4 (diff) | |
u8500: Moving processor-specific functions to cpu area.
Functions such as providing power to the MMC device and reading
the processor version register should be in the cpu area for
access by multiple u8500-based boards.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: John Rigby <john.rigby@linaro.org>
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/st-ericsson/u8500/u8500_href.c')
| -rw-r--r-- | board/st-ericsson/u8500/u8500_href.c | 75 |
1 files changed, 1 insertions, 74 deletions
diff --git a/board/st-ericsson/u8500/u8500_href.c b/board/st-ericsson/u8500/u8500_href.c index b4b8751627..3de80dfd69 100644 --- a/board/st-ericsson/u8500/u8500_href.c +++ b/board/st-ericsson/u8500/u8500_href.c @@ -138,18 +138,6 @@ void show_boot_progress(int progress) } #endif -static unsigned int read_asicid(void) -{ - unsigned int *address = (void *)U8500_BOOTROM_BASE - + U8500_BOOTROM_ASIC_ID_OFFSET; - return readl(address); -} - -int cpu_is_u8500v11(void) -{ - return read_asicid() == 0x008500A1; -} - /* * Miscellaneous platform dependent initialisations */ @@ -226,67 +214,6 @@ unsigned int addr_vall_arr[] = { }; #ifdef CONFIG_BOARD_LATE_INIT -#ifdef CONFIG_MMC - -#define LDO_VAUX3_MASK 0x3 -#define LDO_VAUX3_ENABLE 0x1 -#define VAUX3_VOLTAGE_2_9V 0xd - -#define AB8500_REGU_CTRL2 0x4 -#define AB8500_REGU_VRF1VAUX3_REGU_REG 0x040A -#define AB8500_REGU_VRF1VAUX3_SEL_REG 0x0421 - -static int hrefplus_mmc_power_init(void) -{ - int ret; - int val; - - if (!cpu_is_u8500v11()) - return 0; - - /* - * On v1.1 HREF boards (HREF+), Vaux3 needs to be enabled for the SD - * card to work. This is done by enabling the regulators in the AB8500 - * via PRCMU I2C transactions. - * - * This code is derived from the handling of AB8500_LDO_VAUX3 in - * ab8500_ldo_enable() and ab8500_ldo_disable() in Linux. - * - * Turn off and delay is required to have it work across soft reboots. - */ - - ret = prcmu_i2c_read(AB8500_REGU_CTRL2, AB8500_REGU_VRF1VAUX3_REGU_REG); - if (ret < 0) - goto out; - - val = ret; - - /* Turn off */ - ret = prcmu_i2c_write(AB8500_REGU_CTRL2, AB8500_REGU_VRF1VAUX3_REGU_REG, - val & ~LDO_VAUX3_MASK); - if (ret < 0) - goto out; - - udelay(10 * 1000); - - /* Set the voltage to 2.9V */ - ret = prcmu_i2c_write(AB8500_REGU_CTRL2, - AB8500_REGU_VRF1VAUX3_SEL_REG, - VAUX3_VOLTAGE_2_9V); - if (ret < 0) - goto out; - - val = val & ~LDO_VAUX3_MASK; - val = val | LDO_VAUX3_ENABLE; - - /* Turn on the supply */ - ret = prcmu_i2c_write(AB8500_REGU_CTRL2, - AB8500_REGU_VRF1VAUX3_REGU_REG, val); - -out: - return ret; -} -#endif /* * called after all initialisation were done, but before the generic * mmc_initialize(). @@ -313,7 +240,7 @@ int board_late_init(void) setenv("board_id", "1"); } #ifdef CONFIG_MMC - hrefplus_mmc_power_init(); + u8500_mmc_power_init(); /* * config extended GPIO pins for level shifter and |