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| author | Robby Cai <R63905@freescale.com> | 2011-11-28 10:51:53 +0800 |
|---|---|---|
| committer | Robby Cai <R63905@freescale.com> | 2011-11-28 11:23:11 +0800 |
| commit | 995fbbca013d1f2c1cefed99d536e61cf9f85bb1 (patch) | |
| tree | 33db9f713a0c7f8f544ce97c6dff633a8415a626 | |
| parent | db44a4caf2a2c24d345c8e70756578441702c964 (diff) | |
| download | u-boot-imx-995fbbca013d1f2c1cefed99d536e61cf9f85bb1.zip u-boot-imx-995fbbca013d1f2c1cefed99d536e61cf9f85bb1.tar.gz u-boot-imx-995fbbca013d1f2c1cefed99d536e61cf9f85bb1.tar.bz2 | |
ENGR00163239-2 mc34708: enable extra charging circuit
current schema is to enable this extra charging circuit, and
then enable or disable it by checking VBatt is less or more
than 3.4v. If VBatt is less than 3.4v, enable it; otherwise
disable it.
Signed-off-by: Robby Cai <R63905@freescale.com>
| -rw-r--r-- | board/freescale/mx53_pcba/mx53_pcba.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/board/freescale/mx53_pcba/mx53_pcba.c b/board/freescale/mx53_pcba/mx53_pcba.c index df3f2fc..2261321 100644 --- a/board/freescale/mx53_pcba/mx53_pcba.c +++ b/board/freescale/mx53_pcba/mx53_pcba.c @@ -503,6 +503,17 @@ int setup_pmic_voltages_spi(void) spi_pmic_free(slave); + /* extra charging circuit enabled */ + /* set GPIO2_27 to high */ + mxc_request_iomux(MX53_PIN_EIM_LBA, IOMUX_CONFIG_ALT1); + + val = readl(GPIO2_BASE_ADDR + 0x4); + val |= 0x8000000; + writel(val, GPIO2_BASE_ADDR + 0x4); + val = readl(GPIO2_BASE_ADDR + 0x0); + val |= 0x8000000; + writel(val, GPIO2_BASE_ADDR + 0x0); + } else { printf("spi_pmic_probe failed!\n"); return -1; |