diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/veyron_pinky/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/veyron_pinky/mainboard.c | 10 | ||||
| -rw-r--r-- | src/mainboard/google/veyron_pinky/pmic.c | 85 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3288/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3288/rk808.c | 66 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3288/rk808.h (renamed from src/mainboard/google/veyron_pinky/pmic.h) | 4 |
6 files changed, 79 insertions, 88 deletions
diff --git a/src/mainboard/google/veyron_pinky/Makefile.inc b/src/mainboard/google/veyron_pinky/Makefile.inc index 3ae8763907..7b49a559b8 100644 --- a/src/mainboard/google/veyron_pinky/Makefile.inc +++ b/src/mainboard/google/veyron_pinky/Makefile.inc @@ -24,5 +24,4 @@ romstage-y += sdram_configs.c ramstage-y += boardid.c ramstage-y += chromeos.c ramstage-y += mainboard.c -ramstage-y += pmic.c diff --git a/src/mainboard/google/veyron_pinky/mainboard.c b/src/mainboard/google/veyron_pinky/mainboard.c index 349240faff..d3537bf093 100644 --- a/src/mainboard/google/veyron_pinky/mainboard.c +++ b/src/mainboard/google/veyron_pinky/mainboard.c @@ -29,8 +29,8 @@ #include <soc/rockchip/rk3288/soc.h> #include <soc/rockchip/rk3288/pmu.h> #include <soc/rockchip/rk3288/clock.h> +#include <soc/rockchip/rk3288/rk808.h> #include <soc/rockchip/rk3288/spi.h> -#include "pmic.h" #define DRAM_START (CONFIG_SYS_SDRAM_BASE >> 20) #define DRAM_SIZE CONFIG_DRAM_SIZE_MB @@ -110,6 +110,14 @@ static void configure_i2s(void) rkclk_configure_i2s(12288000); } +static void pmic_init(unsigned int bus) +{ + rk808_configure_ldo(bus, 4, 1800); /* VCC18_LCD */ + rk808_configure_ldo(bus, 5, 1800); /* VCC18_CODEC */ + rk808_configure_ldo(bus, 6, 1000); /* VCC10_LCD */ + rk808_configure_ldo(bus, 8, 3300); /* VCCIO_SD */ +} + static void mainboard_init(device_t dev) { setup_iomux(); diff --git a/src/mainboard/google/veyron_pinky/pmic.c b/src/mainboard/google/veyron_pinky/pmic.c deleted file mode 100644 index 2e6f0abca1..0000000000 --- a/src/mainboard/google/veyron_pinky/pmic.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2014 Rockchip Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <console/console.h> -#include <device/i2c.h> -#include <stdint.h> -#include <stdlib.h> -#include "pmic.h" - -#define RK808_ADDR 0x1b -#define LOD1EN (1 << 0) -#define LOD2EN (1 << 1) -#define LOD3EN (1 << 2) -#define LOD4EN (1 << 3) -#define LOD5EN (1 << 4) -#define LOD6EN (1 << 5) -#define LOD7EN (1 << 6) -#define LOD8EN (1 << 7) - -#define LDO_BASE18V 18 -#define LDO_BASE08V 8 -#define LDOVSEL(mV, base) (mV/100 - base) - -struct rk808_reg { - u8 reg; - u8 val; -}; - -enum { - LDO_EN = 0x24, - LDO1_ONSEL = 0x3B, - LDO1_SLPSEL, - LDO2_ONSEL, - LDO2_SLPSEL, - LDO3_ONSEL, - LDO3_SLPSEL, - LDO4_ONSEL, - LDO4_SLPSEL, - LDO5_ONSEL, - LDO5_SLPSEL, - LDO6_ONSEL, - LDO6_SLPSEL, - LDO7_ONSEL, - LDO7_SLPSEL, - LDO8_ONSEL, - LDO8_SLPSEL, -}; - -static struct rk808_reg ldo_initlist[] = { - {LDO4_ONSEL, LDOVSEL(1800, LDO_BASE18V)}, /*vcc18_lcd*/ - {LDO5_ONSEL, LDOVSEL(1800, LDO_BASE18V)}, /*vcc18_codec*/ - {LDO6_ONSEL, LDOVSEL(1000, LDO_BASE08V)}, /*vcc10_lcd*/ - {LDO8_ONSEL, LDOVSEL(3300, LDO_BASE18V)}, /*vccio_sd*/ -}; - -void pmic_init(unsigned int bus) -{ - uint8_t read_reg; - int i; - for (i = 0; i < ARRAY_SIZE(ldo_initlist); i++) { - struct rk808_reg *reg = &ldo_initlist[i]; - i2c_writeb(bus, RK808_ADDR, reg->reg, reg->val); - } - - /*enable ldo4,ldo5,ldo6,ldo8*/ - i2c_readb(bus, RK808_ADDR, LDO_EN, &read_reg); - i2c_writeb(bus, RK808_ADDR, LDO_EN, read_reg | LOD8EN | LOD6EN - | LOD5EN | LOD4EN); -} diff --git a/src/soc/rockchip/rk3288/Makefile.inc b/src/soc/rockchip/rk3288/Makefile.inc index 8453757983..f9aa3775b8 100644 --- a/src/soc/rockchip/rk3288/Makefile.inc +++ b/src/soc/rockchip/rk3288/Makefile.inc @@ -50,6 +50,7 @@ ramstage-y += clock.c ramstage-y += spi.c ramstage-y += gpio.c ramstage-y += media.c +ramstage-y += rk808.c ramstage-$(CONFIG_DRIVERS_UART) += uart.c $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf diff --git a/src/soc/rockchip/rk3288/rk808.c b/src/soc/rockchip/rk3288/rk808.c new file mode 100644 index 0000000000..0d629ca041 --- /dev/null +++ b/src/soc/rockchip/rk3288/rk808.c @@ -0,0 +1,66 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Rockchip Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <assert.h> +#include <console/console.h> +#include <device/i2c.h> +#include <stdint.h> +#include <stdlib.h> +#include "rk808.h" + +#define RK808_ADDR 0x1b + +#define LDO_EN 0x24 +#define LDO_ONSEL(i) (0x39 + 2 * i) +#define LDO_SLPSEL(i) (0x3a + 2 * i) + +static void rk808_clrsetbits(uint8_t bus, uint8_t reg, uint8_t clr, uint8_t set) +{ + uint8_t value; + + if (i2c_readb(bus, RK808_ADDR, reg, &value) || + i2c_writeb(bus, RK808_ADDR, reg, (value & ~clr) | set)) + printk(BIOS_ERR, "ERROR: Cannot set Rk808[%#x]!\n", reg); +} + +void rk808_configure_ldo(uint8_t bus, int ldo, int millivolts) +{ + uint8_t vsel; + + switch (ldo) { + case 1: + case 2: + case 4: + case 5: + case 8: + vsel = millivolts / 100 - 18; + break; + case 3: + case 6: + case 7: + vsel = millivolts / 100 - 8; + break; + default: + die("Unknown LDO index!"); + } + assert(vsel <= 0x10); + + rk808_clrsetbits(bus, LDO_ONSEL(ldo), 0x1f, vsel); + rk808_clrsetbits(bus, LDO_EN, 0, 1 << (ldo - 1)); +} diff --git a/src/mainboard/google/veyron_pinky/pmic.h b/src/soc/rockchip/rk3288/rk808.h index dd6ed0b313..a6ba67c538 100644 --- a/src/mainboard/google/veyron_pinky/pmic.h +++ b/src/soc/rockchip/rk3288/rk808.h @@ -19,5 +19,7 @@ #ifndef __SOC_ROCKCHIP_RK3288_PMIC_H__ #define __SOC_ROCKCHIP_RK3288_PMIC_H__ -void pmic_init(unsigned int bus); + +void rk808_configure_ldo(uint8_t bus, int ldo, int millivolts); + #endif |