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/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __SOC_H__
#define __SOC_H__
#include <utils.h>
#define GLB_SRST_FST_CFG_VAL 0xfdb9
#define GLB_SRST_SND_CFG_VAL 0xeca8
#define PMUCRU_PPLL_CON(n) ((n) * 4)
#define CRU_PLL_CON(pll_id, n) ((pll_id) * 0x20 + (n) * 4)
#define PLL_MODE_MSK 0x03
#define PLL_MODE_SHIFT 0x08
#define PLL_BYPASS_MSK 0x01
#define PLL_BYPASS_SHIFT 0x01
#define PLL_PWRDN_MSK 0x01
#define PLL_PWRDN_SHIFT 0x0
#define PLL_BYPASS BIT(1)
#define PLL_PWRDN BIT(0)
#define NO_PLL_BYPASS (0x00)
#define NO_PLL_PWRDN (0x00)
#define FBDIV(n) ((0xfff << 16) | n)
#define POSTDIV2(n) ((0x7 << (12 + 16)) | (n << 12))
#define POSTDIV1(n) ((0x7 << (8 + 16)) | (n << 8))
#define REFDIV(n) ((0x3F << 16) | n)
#define PLL_LOCK(n) ((n >> 31) & 0x1)
#define PLL_SLOW_MODE BITS_WITH_WMASK(SLOW_MODE,\
PLL_MODE_MSK, PLL_MODE_SHIFT)
#define PLL_NOMAL_MODE BITS_WITH_WMASK(NORMAL_MODE,\
PLL_MODE_MSK, PLL_MODE_SHIFT)
#define PLL_BYPASS_MODE BIT_WITH_WMSK(PLL_BYPASS_SHIFT)
#define PLL_NO_BYPASS_MODE WMSK_BIT(PLL_BYPASS_SHIFT)
#define PLL_CON_COUNT 0x06
#define CRU_CLKSEL_COUNT 108
#define CRU_CLKSEL_CON(n) (0x100 + (n) * 4)
#define PMUCRU_CLKSEL_CONUT 0x06
#define PMUCRU_CLKSEL_OFFSET 0x080
#define REG_SIZE 0x04
#define REG_SOC_WMSK 0xffff0000
#define CLK_GATE_MASK 0x01
#define PMUCRU_GATE_COUNT 0x03
#define CRU_GATE_COUNT 0x23
#define PMUCRU_GATE_CON(n) (0x100 + (n) * 4)
#define CRU_GATE_CON(n) (0x300 + (n) * 4)
enum plls_id {
ALPLL_ID = 0,
ABPLL_ID,
DPLL_ID,
CPLL_ID,
GPLL_ID,
NPLL_ID,
VPLL_ID,
PPLL_ID,
END_PLL_ID,
};
#define CLST_L_CPUS_MSK (0xf)
#define CLST_B_CPUS_MSK (0x3)
enum pll_work_mode {
SLOW_MODE = 0x00,
NORMAL_MODE = 0x01,
DEEP_SLOW_MODE = 0x02,
};
enum glb_sft_reset {
PMU_RST_BY_FIRST_SFT,
PMU_RST_BY_SECOND_SFT = BIT(2),
PMU_RST_NOT_BY_SFT = BIT(3),
};
struct pll_div {
uint32_t mhz;
uint32_t refdiv;
uint32_t fbdiv;
uint32_t postdiv1;
uint32_t postdiv2;
uint32_t frac;
uint32_t freq;
};
struct deepsleep_data_s {
uint32_t plls_con[END_PLL_ID][PLL_CON_COUNT];
uint32_t cru_gate_con[CRU_GATE_COUNT];
uint32_t pmucru_gate_con[PMUCRU_GATE_COUNT];
};
/**************************************************
* pmugrf reg, offset
**************************************************/
#define PMUGRF_OSREG(n) (0x300 + (n) * 4)
/**************************************************
* DCF reg, offset
**************************************************/
#define DCF_DCF_CTRL 0x0
#define DCF_DCF_ADDR 0x8
#define DCF_DCF_ISR 0xc
#define DCF_DCF_TOSET 0x14
#define DCF_DCF_TOCMD 0x18
#define DCF_DCF_CMD_CFG 0x1c
/* DCF_DCF_ISR */
#define DCF_TIMEOUT (1 << 2)
#define DCF_ERR (1 << 1)
#define DCF_DONE (1 << 0)
/* DCF_DCF_CTRL */
#define DCF_VOP_HW_EN (1 << 2)
#define DCF_STOP (1 << 1)
#define DCF_START (1 << 0)
#define CYCL_24M_CNT_US(us) (24 * us)
#define CYCL_24M_CNT_MS(ms) (ms * CYCL_24M_CNT_US(1000))
#define CYCL_32K_CNT_MS(ms) (ms * 32)
/**************************************************
* cru reg, offset
**************************************************/
#define CRU_SOFTRST_CON(n) (0x400 + (n) * 4)
#define CRU_DMAC0_RST BIT_WITH_WMSK(3)
/* reset release*/
#define CRU_DMAC0_RST_RLS WMSK_BIT(3)
#define CRU_DMAC1_RST BIT_WITH_WMSK(4)
/* reset release*/
#define CRU_DMAC1_RST_RLS WMSK_BIT(4)
#define CRU_GLB_RST_CON 0x0510
#define CRU_GLB_SRST_FST 0x0500
#define CRU_GLB_SRST_SND 0x0504
#define CRU_CLKGATE_CON(n) (0x300 + n * 4)
#define PCLK_GPIO2_GATE_SHIFT 3
#define PCLK_GPIO3_GATE_SHIFT 4
#define PCLK_GPIO4_GATE_SHIFT 5
/**************************************************
* pmu cru reg, offset
**************************************************/
#define CRU_PMU_RSTHOLD_CON(n) (0x120 + n * 4)
/* reset hold*/
#define CRU_PMU_SGRF_RST_HOLD BIT_WITH_WMSK(6)
/* reset hold release*/
#define CRU_PMU_SGRF_RST_RLS WMSK_BIT(6)
#define CRU_PMU_WDTRST_MSK (0x1 << 4)
#define CRU_PMU_WDTRST_EN 0x0
#define CRU_PMU_FIRST_SFTRST_MSK (0x3 << 2)
#define CRU_PMU_FIRST_SFTRST_EN 0x0
#define CRU_PMU_CLKGATE_CON(n) (0x100 + n * 4)
#define PCLK_GPIO0_GATE_SHIFT 3
#define PCLK_GPIO1_GATE_SHIFT 4
#define CPU_BOOT_ADDR_WMASK 0xffff0000
#define CPU_BOOT_ADDR_ALIGN 16
#define GRF_IOMUX_2BIT_MASK 0x3
#define GRF_IOMUX_GPIO 0x0
#define GRF_GPIO4C2_IOMUX_SHIFT 4
#define GRF_GPIO4C2_IOMUX_PWM 0x1
#define GRF_GPIO4C6_IOMUX_SHIFT 12
#define GRF_GPIO4C6_IOMUX_PWM 0x1
#define PWM_CNT(n) (0x0000 + 0x10 * (n))
#define PWM_PERIOD_HPR(n) (0x0004 + 0x10 * (n))
#define PWM_DUTY_LPR(n) (0x0008 + 0x10 * (n))
#define PWM_CTRL(n) (0x000c + 0x10 * (n))
#define PWM_DISABLE (0 << 0)
#define PWM_ENABLE (1 << 0)
/* grf reg offset */
#define GRF_DDRC0_CON0 0xe380
#define GRF_DDRC0_CON1 0xe384
#define GRF_DDRC1_CON0 0xe388
#define GRF_DDRC1_CON1 0xe38c
#define GRF_SOC_CON_BASE 0xe200
#define GRF_SOC_CON(n) (GRF_SOC_CON_BASE + (n) * 4)
#define PMUCRU_CLKSEL_CON0 0x0080
#define PMUCRU_CLKGATE_CON2 0x0108
#define PMUCRU_SOFTRST_CON0 0x0110
#define PMUCRU_GATEDIS_CON0 0x0130
#define PMUCRU_SOFTRST_CON(n) (PMUCRU_SOFTRST_CON0 + (n) * 4)
/*
* When system reset in running state, we want the cpus to be reboot
* from maskrom (system reboot),
* the pmusgrf reset-hold bits needs to be released.
* When system wake up from system deep suspend, some soc will be reset
* when waked up,
* we want the bootcpu to be reboot from pmusram,
* the pmusgrf reset-hold bits needs to be held.
*/
static inline void pmu_sgrf_rst_hld_release(void)
{
mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
CRU_PMU_SGRF_RST_RLS);
}
static inline void pmu_sgrf_rst_hld(void)
{
mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
CRU_PMU_SGRF_RST_HOLD);
}
/* export related and operating SoC APIs */
void __dead2 soc_global_soft_reset(void);
void disable_dvfs_plls(void);
void disable_nodvfs_plls(void);
void enable_dvfs_plls(void);
void enable_nodvfs_plls(void);
void prepare_abpll_for_ddrctrl(void);
void restore_abpll(void);
void restore_dpll(void);
void clk_gate_con_save(void);
void clk_gate_con_disable(void);
void clk_gate_con_restore(void);
#endif /* __SOC_H__ */