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      1 /*
      2  * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
      3  *
      4  * SPDX-License-Identifier: BSD-3-Clause
      5  */
      6 
      7 #ifndef __SOC_H__
      8 #define __SOC_H__
      9 
     10 #include <utils.h>
     11 
     12 #define GLB_SRST_FST_CFG_VAL	0xfdb9
     13 #define GLB_SRST_SND_CFG_VAL	0xeca8
     14 
     15 #define PMUCRU_PPLL_CON(n)		((n) * 4)
     16 #define CRU_PLL_CON(pll_id, n)	((pll_id)  * 0x20 + (n) * 4)
     17 #define PLL_MODE_MSK			0x03
     18 #define PLL_MODE_SHIFT			0x08
     19 #define PLL_BYPASS_MSK			0x01
     20 #define PLL_BYPASS_SHIFT		0x01
     21 #define PLL_PWRDN_MSK			0x01
     22 #define PLL_PWRDN_SHIFT			0x0
     23 #define PLL_BYPASS			BIT(1)
     24 #define PLL_PWRDN			BIT(0)
     25 
     26 #define NO_PLL_BYPASS			(0x00)
     27 #define NO_PLL_PWRDN			(0x00)
     28 
     29 #define FBDIV(n)		((0xfff << 16) | n)
     30 #define POSTDIV2(n)		((0x7 << (12 + 16)) | (n << 12))
     31 #define POSTDIV1(n)		((0x7 << (8 + 16)) | (n << 8))
     32 #define REFDIV(n)		((0x3F << 16) | n)
     33 #define PLL_LOCK(n)		((n >> 31) & 0x1)
     34 
     35 #define PLL_SLOW_MODE			BITS_WITH_WMASK(SLOW_MODE,\
     36 						PLL_MODE_MSK, PLL_MODE_SHIFT)
     37 
     38 #define PLL_NOMAL_MODE			BITS_WITH_WMASK(NORMAL_MODE,\
     39 						PLL_MODE_MSK, PLL_MODE_SHIFT)
     40 
     41 #define PLL_BYPASS_MODE			BIT_WITH_WMSK(PLL_BYPASS_SHIFT)
     42 #define PLL_NO_BYPASS_MODE		WMSK_BIT(PLL_BYPASS_SHIFT)
     43 
     44 #define PLL_CON_COUNT			0x06
     45 #define CRU_CLKSEL_COUNT		108
     46 #define CRU_CLKSEL_CON(n)		(0x100 + (n) * 4)
     47 
     48 #define PMUCRU_CLKSEL_CONUT		0x06
     49 #define PMUCRU_CLKSEL_OFFSET		0x080
     50 #define REG_SIZE			0x04
     51 #define REG_SOC_WMSK			0xffff0000
     52 #define CLK_GATE_MASK			0x01
     53 
     54 #define PMUCRU_GATE_COUNT	0x03
     55 #define CRU_GATE_COUNT		0x23
     56 #define PMUCRU_GATE_CON(n)	(0x100 + (n) * 4)
     57 #define CRU_GATE_CON(n)	(0x300 + (n) * 4)
     58 
     59 #define PMUCRU_RSTNHOLD_CON0	0x120
     60 enum {
     61 	PRESETN_NOC_PMU_HOLD = 1,
     62 	PRESETN_INTMEM_PMU_HOLD,
     63 	HRESETN_CM0S_PMU_HOLD,
     64 	HRESETN_CM0S_NOC_PMU_HOLD,
     65 	DRESETN_CM0S_PMU_HOLD,
     66 	POESETN_CM0S_PMU_HOLD,
     67 	PRESETN_SPI3_HOLD,
     68 	RESETN_SPI3_HOLD,
     69 	PRESETN_TIMER_PMU_0_1_HOLD,
     70 	RESETN_TIMER_PMU_0_HOLD,
     71 	RESETN_TIMER_PMU_1_HOLD,
     72 	PRESETN_UART_M0_PMU_HOLD,
     73 	RESETN_UART_M0_PMU_HOLD,
     74 	PRESETN_WDT_PMU_HOLD
     75 };
     76 
     77 #define PMUCRU_RSTNHOLD_CON1	0x124
     78 enum {
     79 	PRESETN_I2C0_HOLD,
     80 	PRESETN_I2C4_HOLD,
     81 	PRESETN_I2C8_HOLD,
     82 	PRESETN_MAILBOX_PMU_HOLD,
     83 	PRESETN_RKPWM_PMU_HOLD,
     84 	PRESETN_PMUGRF_HOLD,
     85 	PRESETN_SGRF_HOLD,
     86 	PRESETN_GPIO0_HOLD,
     87 	PRESETN_GPIO1_HOLD,
     88 	PRESETN_CRU_PMU_HOLD,
     89 	PRESETN_INTR_ARB_HOLD,
     90 	PRESETN_PVTM_PMU_HOLD,
     91 	RESETN_I2C0_HOLD,
     92 	RESETN_I2C4_HOLD,
     93 	RESETN_I2C8_HOLD
     94 };
     95 
     96 enum plls_id {
     97 	ALPLL_ID = 0,
     98 	ABPLL_ID,
     99 	DPLL_ID,
    100 	CPLL_ID,
    101 	GPLL_ID,
    102 	NPLL_ID,
    103 	VPLL_ID,
    104 	PPLL_ID,
    105 	END_PLL_ID,
    106 };
    107 
    108 #define CLST_L_CPUS_MSK (0xf)
    109 #define CLST_B_CPUS_MSK (0x3)
    110 
    111 enum pll_work_mode {
    112 	SLOW_MODE = 0x00,
    113 	NORMAL_MODE = 0x01,
    114 	DEEP_SLOW_MODE = 0x02,
    115 };
    116 
    117 enum glb_sft_reset {
    118 	PMU_RST_BY_FIRST_SFT,
    119 	PMU_RST_BY_SECOND_SFT = BIT(2),
    120 	PMU_RST_NOT_BY_SFT = BIT(3),
    121 };
    122 
    123 struct pll_div {
    124 	uint32_t mhz;
    125 	uint32_t refdiv;
    126 	uint32_t fbdiv;
    127 	uint32_t postdiv1;
    128 	uint32_t postdiv2;
    129 	uint32_t frac;
    130 	uint32_t freq;
    131 };
    132 
    133 struct deepsleep_data_s {
    134 	uint32_t plls_con[END_PLL_ID][PLL_CON_COUNT];
    135 	uint32_t cru_gate_con[CRU_GATE_COUNT];
    136 	uint32_t pmucru_gate_con[PMUCRU_GATE_COUNT];
    137 	uint32_t pmucru_rstnhold_con0;
    138 	uint32_t pmucru_rstnhold_con1;
    139 };
    140 
    141 /**************************************************
    142  * pmugrf reg, offset
    143  **************************************************/
    144 #define PMUGRF_OSREG(n)		(0x300 + (n) * 4)
    145 
    146 /**************************************************
    147  * DCF reg, offset
    148  **************************************************/
    149 #define DCF_DCF_CTRL		0x0
    150 #define DCF_DCF_ADDR		0x8
    151 #define DCF_DCF_ISR		0xc
    152 #define DCF_DCF_TOSET		0x14
    153 #define DCF_DCF_TOCMD		0x18
    154 #define DCF_DCF_CMD_CFG		0x1c
    155 
    156 /* DCF_DCF_ISR */
    157 #define DCF_TIMEOUT		(1 << 2)
    158 #define DCF_ERR			(1 << 1)
    159 #define	DCF_DONE		(1 << 0)
    160 
    161 /* DCF_DCF_CTRL */
    162 #define DCF_VOP_HW_EN		(1 << 2)
    163 #define DCF_STOP		(1 << 1)
    164 #define DCF_START		(1 << 0)
    165 
    166 #define CYCL_24M_CNT_US(us)	(24 * us)
    167 #define CYCL_24M_CNT_MS(ms)	(ms * CYCL_24M_CNT_US(1000))
    168 #define CYCL_32K_CNT_MS(ms)	(ms * 32)
    169 
    170 /**************************************************
    171  * cru reg, offset
    172  **************************************************/
    173 #define CRU_SOFTRST_CON(n)	(0x400 + (n) * 4)
    174 
    175 #define CRU_DMAC0_RST		BIT_WITH_WMSK(3)
    176  /* reset release*/
    177 #define CRU_DMAC0_RST_RLS	WMSK_BIT(3)
    178 
    179 #define CRU_DMAC1_RST		BIT_WITH_WMSK(4)
    180  /* reset release*/
    181 #define CRU_DMAC1_RST_RLS	WMSK_BIT(4)
    182 
    183 #define CRU_GLB_RST_CON		0x0510
    184 #define CRU_GLB_SRST_FST	0x0500
    185 #define CRU_GLB_SRST_SND	0x0504
    186 
    187 #define CRU_CLKGATE_CON(n)	(0x300 + n * 4)
    188 #define PCLK_GPIO2_GATE_SHIFT	3
    189 #define PCLK_GPIO3_GATE_SHIFT	4
    190 #define PCLK_GPIO4_GATE_SHIFT	5
    191 
    192 /**************************************************
    193  * pmu cru reg, offset
    194  **************************************************/
    195 #define CRU_PMU_RSTHOLD_CON(n)		(0x120 + n * 4)
    196 /* reset hold*/
    197 #define CRU_PMU_SGRF_RST_HOLD		BIT_WITH_WMSK(6)
    198 /* reset hold release*/
    199 #define CRU_PMU_SGRF_RST_RLS		WMSK_BIT(6)
    200 
    201 #define CRU_PMU_WDTRST_MSK		(0x1 << 4)
    202 #define CRU_PMU_WDTRST_EN		0x0
    203 
    204 #define CRU_PMU_FIRST_SFTRST_MSK	(0x3 << 2)
    205 #define CRU_PMU_FIRST_SFTRST_EN		0x0
    206 
    207 #define CRU_PMU_CLKGATE_CON(n)		(0x100 + n * 4)
    208 #define PCLK_GPIO0_GATE_SHIFT		3
    209 #define PCLK_GPIO1_GATE_SHIFT		4
    210 
    211 #define CPU_BOOT_ADDR_WMASK	0xffff0000
    212 #define CPU_BOOT_ADDR_ALIGN	16
    213 
    214 #define GRF_IOMUX_2BIT_MASK     0x3
    215 #define GRF_IOMUX_GPIO          0x0
    216 
    217 #define GRF_GPIO4C2_IOMUX_SHIFT         4
    218 #define GRF_GPIO4C2_IOMUX_PWM           0x1
    219 #define GRF_GPIO4C6_IOMUX_SHIFT         12
    220 #define GRF_GPIO4C6_IOMUX_PWM           0x1
    221 
    222 #define PWM_CNT(n)			(0x0000 + 0x10 * (n))
    223 #define PWM_PERIOD_HPR(n)		(0x0004 + 0x10 * (n))
    224 #define PWM_DUTY_LPR(n)			(0x0008 + 0x10 * (n))
    225 #define PWM_CTRL(n)			(0x000c + 0x10 * (n))
    226 
    227 #define PWM_DISABLE			(0 << 0)
    228 #define PWM_ENABLE			(1 << 0)
    229 
    230 /* grf reg offset */
    231 #define GRF_USBPHY0_CTRL0	0x4480
    232 #define GRF_USBPHY0_CTRL2	0x4488
    233 #define GRF_USBPHY0_CTRL3	0x448c
    234 #define GRF_USBPHY0_CTRL12	0x44b0
    235 #define GRF_USBPHY0_CTRL13	0x44b4
    236 #define GRF_USBPHY0_CTRL15	0x44bc
    237 #define GRF_USBPHY0_CTRL16	0x44c0
    238 
    239 #define GRF_USBPHY1_CTRL0	0x4500
    240 #define GRF_USBPHY1_CTRL2	0x4508
    241 #define GRF_USBPHY1_CTRL3	0x450c
    242 #define GRF_USBPHY1_CTRL12	0x4530
    243 #define GRF_USBPHY1_CTRL13	0x4534
    244 #define GRF_USBPHY1_CTRL15	0x453c
    245 #define GRF_USBPHY1_CTRL16	0x4540
    246 
    247 #define GRF_GPIO2A_IOMUX	0xe000
    248 #define GRF_GPIO2D_HE		0xe18c
    249 #define GRF_DDRC0_CON0		0xe380
    250 #define GRF_DDRC0_CON1		0xe384
    251 #define GRF_DDRC1_CON0		0xe388
    252 #define GRF_DDRC1_CON1		0xe38c
    253 #define GRF_SOC_CON_BASE	0xe200
    254 #define GRF_SOC_CON(n)		(GRF_SOC_CON_BASE + (n) * 4)
    255 #define GRF_IO_VSEL		0xe640
    256 
    257 #define CRU_CLKSEL_CON0		0x0100
    258 #define CRU_CLKSEL_CON6		0x0118
    259 #define CRU_SDIO0_CON1		0x058c
    260 #define PMUCRU_CLKSEL_CON0	0x0080
    261 #define PMUCRU_CLKGATE_CON2	0x0108
    262 #define PMUCRU_SOFTRST_CON0	0x0110
    263 #define PMUCRU_GATEDIS_CON0 0x0130
    264 #define PMUCRU_SOFTRST_CON(n)   (PMUCRU_SOFTRST_CON0 + (n) * 4)
    265 
    266 /*
    267  * When system reset in running state, we want the cpus to be reboot
    268  * from maskrom (system reboot),
    269  * the pmusgrf reset-hold bits needs to be released.
    270  * When system wake up from system deep suspend, some soc will be reset
    271  * when waked up,
    272  * we want the bootcpu to be reboot from pmusram,
    273  * the pmusgrf reset-hold bits needs to be held.
    274  */
    275 static inline void pmu_sgrf_rst_hld_release(void)
    276 {
    277 	mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
    278 		      CRU_PMU_SGRF_RST_RLS);
    279 }
    280 
    281 static inline void pmu_sgrf_rst_hld(void)
    282 {
    283 	mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
    284 		      CRU_PMU_SGRF_RST_HOLD);
    285 }
    286 
    287 /* export related and operating SoC APIs */
    288 void __dead2 soc_global_soft_reset(void);
    289 void disable_dvfs_plls(void);
    290 void disable_nodvfs_plls(void);
    291 void enable_dvfs_plls(void);
    292 void enable_nodvfs_plls(void);
    293 void prepare_abpll_for_ddrctrl(void);
    294 void restore_abpll(void);
    295 void clk_gate_con_save(void);
    296 void clk_gate_con_disable(void);
    297 void clk_gate_con_restore(void);
    298 void set_pmu_rsthold(void);
    299 void restore_pmu_rsthold(void);
    300 #endif /* __SOC_H__ */
    301