This is an example code for adjusting the mx51evk example board to new pmic_core driver.
Signed-off-by: Lukasz Majewski <l.majew...@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com> Cc: Stefano Babic <sba...@denx.de> --- board/freescale/mx51evk/mx51evk.c | 68 +++++++++++++++++++++++++------------ 1 files changed, 46 insertions(+), 22 deletions(-) diff --git a/board/freescale/mx51evk/mx51evk.c b/board/freescale/mx51evk/mx51evk.c index 94ea1f2..46562f0 100644 --- a/board/freescale/mx51evk/mx51evk.c +++ b/board/freescale/mx51evk/mx51evk.c @@ -34,6 +34,7 @@ #include <fsl_esdhc.h> #include <fsl_pmic.h> #include <mc13892.h> +#include <pmic.h> DECLARE_GLOBAL_DATA_PTR; @@ -181,72 +182,94 @@ static void setup_iomux_spi(void) static void power_init(void) { unsigned int val; + struct pmic *p = get_pmic(); struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE; /* Write needed to Power Gate 2 register */ - val = pmic_reg_read(REG_POWER_MISC); + if (pmic_reg_read(p, REG_POWER_MISC, &val)) + puts("PMIC write error!\n"); val &= ~PWGT2SPIEN; - pmic_reg_write(REG_POWER_MISC, val); + if (pmic_reg_write(p, REG_POWER_MISC, &val)) + puts("PMIC write error!\n"); /* Externally powered */ - val = pmic_reg_read(REG_CHARGE); + if (pmic_reg_read(p, REG_CHARGE, &val)) + puts("PMIC write error!\n"); val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB; - pmic_reg_write(REG_CHARGE, val); + if (pmic_reg_write(p, REG_CHARGE, &val)) + puts("PMIC write error!\n"); /* power up the system first */ - pmic_reg_write(REG_POWER_MISC, PWUP); + val = PWUP; + if (pmic_reg_write(p, REG_POWER_MISC, &val)) + puts("PMIC write error!\n"); /* Set core voltage to 1.1V */ - val = pmic_reg_read(REG_SW_0); + if (pmic_reg_read(p, REG_SW_0, &val)) + puts("PMIC write error!\n"); val = (val & ~SWx_VOLT_MASK) | SWx_1_100V; - pmic_reg_write(REG_SW_0, val); + if (pmic_reg_write(p, REG_SW_0, &val)) + puts("PMIC write error!\n"); /* Setup VCC (SW2) to 1.25 */ - val = pmic_reg_read(REG_SW_1); + if (pmic_reg_read(p, REG_SW_1, &val)) + puts("PMIC write error!\n"); val = (val & ~SWx_VOLT_MASK) | SWx_1_250V; - pmic_reg_write(REG_SW_1, val); + if (pmic_reg_write(p, REG_SW_1, &val)) + puts("PMIC write error!\n"); /* Setup 1V2_DIG1 (SW3) to 1.25 */ - val = pmic_reg_read(REG_SW_2); + if (pmic_reg_read(p, REG_SW_2, &val)) + puts("PMIC write error!\n"); val = (val & ~SWx_VOLT_MASK) | SWx_1_250V; - pmic_reg_write(REG_SW_2, val); - udelay(50); + if (pmic_reg_write(p, REG_SW_2, &val)) + puts("PMIC write error!\n"); /* Raise the core frequency to 800MHz */ writel(0x0, &mxc_ccm->cacrr); /* Set switchers in Auto in NORMAL mode & STANDBY mode */ /* Setup the switcher mode for SW1 & SW2*/ - val = pmic_reg_read(REG_SW_4); + if (pmic_reg_read(p, REG_SW_4, &val)) + puts("PMIC write error!\n"); val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) | (SWMODE_MASK << SWMODE2_SHIFT))); val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) | (SWMODE_AUTO_AUTO << SWMODE2_SHIFT); - pmic_reg_write(REG_SW_4, val); + if (pmic_reg_write(p, REG_SW_4, &val)) + puts("PMIC write error!\n"); /* Setup the switcher mode for SW3 & SW4 */ - val = pmic_reg_read(REG_SW_5); + if (pmic_reg_read(p, REG_SW_5, &val)) + puts("PMIC write error!\n"); val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) | (SWMODE_MASK << SWMODE4_SHIFT))); val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) | (SWMODE_AUTO_AUTO << SWMODE4_SHIFT); - pmic_reg_write(REG_SW_5, val); + if (pmic_reg_write(p, REG_SW_5, &val)) + puts("PMIC write error!\n"); /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */ - val = pmic_reg_read(REG_SETTING_0); + if (pmic_reg_read(p, REG_SETTING_0, &val)) + puts("PMIC write error!\n"); val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK); val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6; - pmic_reg_write(REG_SETTING_0, val); + if (pmic_reg_write(p, REG_SETTING_0, &val)) + puts("PMIC write error!\n"); /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */ - val = pmic_reg_read(REG_SETTING_1); + if (pmic_reg_read(p, REG_SETTING_1, &val)) + puts("PMIC write error!\n"); val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK); val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775; - pmic_reg_write(REG_SETTING_1, val); + if (pmic_reg_write(p, REG_SETTING_1, &val)) + puts("PMIC write error!\n"); /* Configure VGEN3 and VCAM regulators to use external PNP */ val = VGEN3CONFIG | VCAMCONFIG; - pmic_reg_write(REG_MODE_1, val); + if (pmic_reg_write(p, REG_MODE_1, &val)) + puts("PMIC write error!\n"); + udelay(200); gpio_direction_output(46, 0); @@ -257,7 +280,8 @@ static void power_init(void) /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */ val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG | VVIDEOEN | VAUDIOEN | VSDEN; - pmic_reg_write(REG_MODE_1, val); + if (pmic_reg_write(p, REG_MODE_1, &val)) + puts("PMIC write error!\n"); udelay(500); -- 1.7.2.3 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot