diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/power/twl4030.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/power/twl4030.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/qemu/roms/u-boot/drivers/power/twl4030.c b/qemu/roms/u-boot/drivers/power/twl4030.c deleted file mode 100644 index 3e5031046..000000000 --- a/qemu/roms/u-boot/drivers/power/twl4030.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (c) 2009 Wind River Systems, Inc. - * Tom Rix <Tom.Rix at windriver.com> - * - * SPDX-License-Identifier: GPL-2.0+ - * - * twl4030_power_reset_init is derived from code on omapzoom, - * git://git.omapzoom.com/repo/u-boot.git - * - * Copyright (C) 2007-2009 Texas Instruments, Inc. - * - * twl4030_power_init is from cpu/omap3/common.c, power_init_r - * - * (C) Copyright 2004-2008 - * Texas Instruments, <www.ti.com> - * - * Author : - * Sunil Kumar <sunilsaini05 at gmail.com> - * Shashi Ranjan <shashiranjanmca05 at gmail.com> - * - * Derived from Beagle Board and 3430 SDP code by - * Richard Woodruff <r-woodruff2 at ti.com> - * Syed Mohammed Khasim <khasim at ti.com> - */ - -#include <twl4030.h> - -/* - * Power Reset - */ -void twl4030_power_reset_init(void) -{ - u8 val = 0; - if (twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, - TWL4030_PM_MASTER_P1_SW_EVENTS, &val)) { - printf("Error:TWL4030: failed to read the power register\n"); - printf("Could not initialize hardware reset\n"); - } else { - val |= TWL4030_PM_MASTER_SW_EVENTS_STOPON_PWRON; - if (twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, - TWL4030_PM_MASTER_P1_SW_EVENTS, val)) { - printf("Error:TWL4030: failed to write the power register\n"); - printf("Could not initialize hardware reset\n"); - } - } -} - -/* - * Set Device Group and Voltage - */ -void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val, - u8 dev_grp, u8 dev_grp_sel) -{ - int ret; - - /* Select the Voltage */ - ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_reg, - vsel_val); - if (ret != 0) { - printf("Could not write vsel to reg %02x (%d)\n", - vsel_reg, ret); - return; - } - - /* Select the Device Group (enable the supply if dev_grp_sel != 0) */ - ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp, - dev_grp_sel); - if (ret != 0) - printf("Could not write grp_sel to reg %02x (%d)\n", - dev_grp, ret); -} - -void twl4030_power_init(void) -{ - /* set VAUX3 to 2.8V */ - twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX3_DEDICATED, - TWL4030_PM_RECEIVER_VAUX3_VSEL_28, - TWL4030_PM_RECEIVER_VAUX3_DEV_GRP, - TWL4030_PM_RECEIVER_DEV_GRP_P1); - - /* set VPLL2 to 1.8V */ - twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VPLL2_DEDICATED, - TWL4030_PM_RECEIVER_VPLL2_VSEL_18, - TWL4030_PM_RECEIVER_VPLL2_DEV_GRP, - TWL4030_PM_RECEIVER_DEV_GRP_ALL); - - /* set VDAC to 1.8V */ - twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VDAC_DEDICATED, - TWL4030_PM_RECEIVER_VDAC_VSEL_18, - TWL4030_PM_RECEIVER_VDAC_DEV_GRP, - TWL4030_PM_RECEIVER_DEV_GRP_P1); -} - -void twl4030_power_mmc_init(void) -{ - /* Set VMMC1 to 3.15 Volts */ - twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VMMC1_DEDICATED, - TWL4030_PM_RECEIVER_VMMC1_VSEL_32, - TWL4030_PM_RECEIVER_VMMC1_DEV_GRP, - TWL4030_PM_RECEIVER_DEV_GRP_P1); -} |