1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
11 #define OSC_CLK_FREQUENCY 13000000
12 #define RTC_CLK_FREQUENCY 32768
14 /* Clocking and Power Control Registers */
17 u32 boot_map; /* Boot Map Control Register */
18 u32 p0_intr_er; /* Port 0/1 Start and Interrupt Enable */
19 u32 usbdiv_ctrl; /* USB Clock Pre-Divide Register */
20 /* Internal Start Signal Sources Registers */
21 u32 start_er_int; /* Start Enable Register */
22 u32 start_rsr_int; /* Start Raw Status Register */
23 u32 start_sr_int; /* Start Status Register */
24 u32 start_apr_int; /* Start Activation Polarity Register */
25 /* Device Pin Start Signal Sources Registers */
26 u32 start_er_pin; /* Start Enable Register */
27 u32 start_rsr_pin; /* Start Raw Status Register */
28 u32 start_sr_pin; /* Start Status Register */
29 u32 start_apr_pin; /* Start Activation Polarity Register */
30 /* Clock Control Registers */
31 u32 hclkdiv_ctrl; /* HCLK Divider Control Register */
32 u32 pwr_ctrl; /* Power Control Register */
33 u32 pll397_ctrl; /* PLL397 Control Register */
34 u32 osc_ctrl; /* Main Oscillator Control Register */
35 u32 sysclk_ctrl; /* SYSCLK Control Register */
36 u32 lcdclk_ctrl; /* LCD Clock Control Register */
37 u32 hclkpll_ctrl; /* HCLK PLL Control Register */
39 u32 adclk_ctrl1; /* ADC Clock Control1 Register */
40 u32 usb_ctrl; /* USB Control Register */
41 u32 sdramclk_ctrl; /* SDRAM Clock Control Register */
42 u32 ddr_lap_nom; /* DDR Calibration Nominal Value */
43 u32 ddr_lap_count; /* DDR Calibration Measured Value */
44 u32 ddr_cal_delay; /* DDR Calibration Delay Value */
45 u32 ssp_ctrl; /* SSP Control Register */
46 u32 i2s_ctrl; /* I2S Clock Control Register */
47 u32 ms_ctrl; /* Memory Card Control Register */
49 u32 macclk_ctrl; /* Ethernet MAC Clock Control Register */
51 u32 test_clk; /* Test Clock Selection Register */
52 u32 sw_int; /* Software Interrupt Register */
53 u32 i2cclk_ctrl; /* I2C Clock Control Register */
54 u32 keyclk_ctrl; /* Keyboard Scan Clock Control Register */
55 u32 adclk_ctrl; /* ADC Clock Control Register */
56 u32 pwmclk_ctrl; /* PWM Clock Control Register */
57 u32 timclk_ctrl; /* Watchdog and Highspeed Timer Control */
58 u32 timclk_ctrl1; /* Motor and Timer Clock Control */
59 u32 spi_ctrl; /* SPI Control Register */
60 u32 flashclk_ctrl; /* NAND Flash Clock Control Register */
62 u32 u3clk; /* UART 3 Clock Control Register */
63 u32 u4clk; /* UART 4 Clock Control Register */
64 u32 u5clk; /* UART 5 Clock Control Register */
65 u32 u6clk; /* UART 6 Clock Control Register */
66 u32 irdaclk; /* IrDA Clock Control Register */
67 u32 uartclk_ctrl; /* UART Clock Control Register */
68 u32 dmaclk_ctrl; /* DMA Clock Control Register */
69 u32 autoclk_ctrl; /* Autoclock Control Register */
72 /* HCLK Divider Control Register bits */
73 #define CLK_HCLK_DDRAM_MASK (0x3 << 7)
74 #define CLK_HCLK_DDRAM_HALF (0x2 << 7)
75 #define CLK_HCLK_DDRAM_NOMINAL (0x1 << 7)
76 #define CLK_HCLK_DDRAM_STOPPED (0x0 << 7)
77 #define CLK_HCLK_PERIPH_DIV_MASK (0x1F << 2)
78 #define CLK_HCLK_PERIPH_DIV(n) ((((n) - 1) & 0x1F) << 2)
79 #define CLK_HCLK_ARM_PLL_DIV_MASK (0x3 << 0)
80 #define CLK_HCLK_ARM_PLL_DIV_4 (0x2 << 0)
81 #define CLK_HCLK_ARM_PLL_DIV_2 (0x1 << 0)
82 #define CLK_HCLK_ARM_PLL_DIV_1 (0x0 << 0)
84 /* Power Control Register bits */
85 #define CLK_PWR_HCLK_RUN_PERIPH (1 << 10)
86 #define CLK_PWR_EMC_SREFREQ (1 << 9)
87 #define CLK_PWR_EMC_SREFREQ_UPDATE (1 << 8)
88 #define CLK_PWR_SDRAM_SREFREQ (1 << 7)
89 #define CLK_PWR_HIGHCORE_LEVEL (1 << 5)
90 #define CLK_PWR_SYSCLKEN_LEVEL (1 << 4)
91 #define CLK_PWR_SYSCLKEN_CTRL (1 << 3)
92 #define CLK_PWR_NORMAL_RUN (1 << 2)
93 #define CLK_PWR_HIGHCORE_CTRL (1 << 1)
94 #define CLK_PWR_STOP_MODE (1 << 0)
96 /* SYSCLK Control Register bits */
97 #define CLK_SYSCLK_PLL397 (1 << 1)
98 #define CLK_SYSCLK_MUX (1 << 0)
100 /* HCLK PLL Control Register bits */
101 #define CLK_HCLK_PLL_OPERATING (1 << 16)
102 #define CLK_HCLK_PLL_BYPASS (1 << 15)
103 #define CLK_HCLK_PLL_DIRECT (1 << 14)
104 #define CLK_HCLK_PLL_FEEDBACK (1 << 13)
105 #define CLK_HCLK_PLL_POSTDIV_MASK (0x3 << 11)
106 #define CLK_HCLK_PLL_POSTDIV_16 (0x3 << 11)
107 #define CLK_HCLK_PLL_POSTDIV_8 (0x2 << 11)
108 #define CLK_HCLK_PLL_POSTDIV_4 (0x1 << 11)
109 #define CLK_HCLK_PLL_POSTDIV_2 (0x0 << 11)
110 #define CLK_HCLK_PLL_PREDIV_MASK (0x3 << 9)
111 #define CLK_HCLK_PLL_PREDIV_4 (0x3 << 9)
112 #define CLK_HCLK_PLL_PREDIV_3 (0x2 << 9)
113 #define CLK_HCLK_PLL_PREDIV_2 (0x1 << 9)
114 #define CLK_HCLK_PLL_PREDIV_1 (0x0 << 9)
115 #define CLK_HCLK_PLL_FEEDBACK_DIV_MASK (0xFF << 1)
116 #define CLK_HCLK_PLL_FEEDBACK_DIV(n) ((((n) - 1) & 0xFF) << 1)
117 #define CLK_HCLK_PLL_LOCKED (1 << 0)
119 /* Ethernet MAC Clock Control Register bits */
120 #define CLK_MAC_RMII (0x3 << 3)
121 #define CLK_MAC_MII (0x1 << 3)
122 #define CLK_MAC_MASTER (1 << 2)
123 #define CLK_MAC_SLAVE (1 << 1)
124 #define CLK_MAC_REG (1 << 0)
126 /* I2C Clock Control Register bits */
127 #define CLK_I2C2_ENABLE (1 << 1)
128 #define CLK_I2C1_ENABLE (1 << 0)
130 /* Timer Clock Control1 Register bits */
131 #define CLK_TIMCLK_MOTOR (1 << 6)
132 #define CLK_TIMCLK_TIMER3 (1 << 5)
133 #define CLK_TIMCLK_TIMER2 (1 << 4)
134 #define CLK_TIMCLK_TIMER1 (1 << 3)
135 #define CLK_TIMCLK_TIMER0 (1 << 2)
136 #define CLK_TIMCLK_TIMER5 (1 << 1)
137 #define CLK_TIMCLK_TIMER4 (1 << 0)
139 /* Timer Clock Control Register bits */
140 #define CLK_TIMCLK_HSTIMER (1 << 1)
141 #define CLK_TIMCLK_WATCHDOG (1 << 0)
143 /* UART Clock Control Register bits */
144 #define CLK_UART(n) (1 << ((n) - 3))
146 /* UARTn Clock Select Registers bits */
147 #define CLK_UART_HCLK (1 << 16)
148 #define CLK_UART_X_DIV(n) (((n) & 0xFF) << 8)
149 #define CLK_UART_Y_DIV(n) (((n) & 0xFF) << 0)
151 /* DMA Clock Control Register bits */
152 #define CLK_DMA_ENABLE (1 << 0)
154 /* NAND Clock Control Register bits */
155 #define CLK_NAND_SLC (1 << 0)
156 #define CLK_NAND_MLC (1 << 1)
157 #define CLK_NAND_SLC_SELECT (1 << 2)
158 #define CLK_NAND_MLC_INT (1 << 5)
160 /* SSP Clock Control Register bits */
161 #define CLK_SSP0_ENABLE_CLOCK (1 << 0)
163 /* SDRAMCLK register bits */
164 #define CLK_SDRAM_DDR_SEL (1 << 1)
166 /* USB control register definitions */
167 #define CLK_USBCTRL_PLL_STS (1 << 0)
168 #define CLK_USBCTRL_FDBK_PLUS1(n) (((n) & 0xFF) << 1)
169 #define CLK_USBCTRL_POSTDIV_2POW(n) (((n) & 0x3) << 11)
170 #define CLK_USBCTRL_PLL_PWRUP (1 << 16)
171 #define CLK_USBCTRL_CLK_EN1 (1 << 17)
172 #define CLK_USBCTRL_CLK_EN2 (1 << 18)
173 #define CLK_USBCTRL_BUS_KEEPER (0x1 << 19)
174 #define CLK_USBCTRL_USBHSTND_EN (1 << 21)
175 #define CLK_USBCTRL_USBDVND_EN (1 << 22)
176 #define CLK_USBCTRL_HCLK_EN (1 << 24)
178 unsigned int get_sys_clk_rate(void);
179 unsigned int get_hclk_pll_rate(void);
180 unsigned int get_hclk_clk_div(void);
181 unsigned int get_hclk_clk_rate(void);
182 unsigned int get_periph_clk_div(void);
183 unsigned int get_periph_clk_rate(void);
184 unsigned int get_sdram_clk_rate(void);
186 #endif /* _LPC32XX_CLK_H */