2 * (C) Copyright 2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
4 * Original Author Guenter Gebhardt
5 * Copyright (C) 2006 Micronas GmbH
7 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/errno.h>
15 int dcgu_set_clk_switch(enum dcgu_hw_module module, enum dcgu_switch setup)
18 union dcgu_clk_en1 en1;
19 union dcgu_clk_en2 en2;
29 printf("%s:%i:Invalid clock switch: %i\n", __FILE__, __LINE__,
34 if (module == DCGU_HW_MODULE_CPU)
35 en2.reg = reg_read(DCGU_CLK_EN2(DCGU_BASE));
37 en1.reg = reg_read(DCGU_CLK_EN1(DCGU_BASE));
40 case DCGU_HW_MODULE_MSMC:
41 en1.bits.en_clkmsmc = enable;
43 case DCGU_HW_MODULE_SSI_S:
44 en1.bits.en_clkssi_s = enable;
46 case DCGU_HW_MODULE_SSI_M:
47 en1.bits.en_clkssi_m = enable;
49 case DCGU_HW_MODULE_SMC:
50 en1.bits.en_clksmc = enable;
52 case DCGU_HW_MODULE_EBI:
53 en1.bits.en_clkebi = enable;
55 case DCGU_HW_MODULE_USB_PLL:
56 en1.bits.en_usbpll = enable;
58 case DCGU_HW_MODULE_USB_60:
59 en1.bits.en_clkusb60 = enable;
61 case DCGU_HW_MODULE_USB_24:
62 en1.bits.en_clkusb24 = enable;
64 case DCGU_HW_MODULE_UART_2:
65 en1.bits.en_clkuart2 = enable;
67 case DCGU_HW_MODULE_UART_1:
68 en1.bits.en_clkuart1 = enable;
70 case DCGU_HW_MODULE_PERI:
71 en1.bits.en_clkperi20 = enable;
73 case DCGU_HW_MODULE_CPU:
74 en2.bits.en_clkcpu = enable;
76 case DCGU_HW_MODULE_I2S:
77 en1.bits.en_clk_i2s_dly = enable;
79 case DCGU_HW_MODULE_ABP_SCC:
80 en1.bits.en_clk_scc_abp = enable;
82 case DCGU_HW_MODULE_SPDIF:
83 en1.bits.en_clk_dtv_spdo = enable;
85 case DCGU_HW_MODULE_AD:
86 en1.bits.en_clkad = enable;
88 case DCGU_HW_MODULE_MVD:
89 en1.bits.en_clkmvd = enable;
91 case DCGU_HW_MODULE_TSD:
92 en1.bits.en_clktsd = enable;
94 case DCGU_HW_MODULE_GA:
95 en1.bits.en_clkga = enable;
97 case DCGU_HW_MODULE_DVP:
98 en1.bits.en_clkdvp = enable;
100 case DCGU_HW_MODULE_MR2:
101 en1.bits.en_clkmr2 = enable;
103 case DCGU_HW_MODULE_MR1:
104 en1.bits.en_clkmr1 = enable;
107 printf("%s:%i:Invalid hardware module: %i\n", __FILE__,
113 * The reg_read() following the reg_write() below forces the write to
114 * be really done on the bus.
115 * Otherwise the clock may not be switched on when this API function
116 * returns, which may cause an bus error if a registers of the hardware
117 * module connected to the clock is accessed.
119 if (module == DCGU_HW_MODULE_CPU) {
120 reg_write(DCGU_CLK_EN2(DCGU_BASE), en2.reg);
121 en2.reg = reg_read(DCGU_CLK_EN2(DCGU_BASE));
123 reg_write(DCGU_CLK_EN1(DCGU_BASE), en1.reg);
124 en1.reg = reg_read(DCGU_CLK_EN1(DCGU_BASE));
130 int dcgu_set_reset_switch(enum dcgu_hw_module module, enum dcgu_switch setup)
132 union dcgu_reset_unit1 val;
139 case DCGU_SWITCH_OFF:
143 printf("%s:%i:Invalid reset switch: %i\n", __FILE__, __LINE__,
148 val.reg = reg_read(DCGU_RESET_UNIT1(DCGU_BASE));
150 case DCGU_HW_MODULE_MSMC:
151 val.bits.swreset_clkmsmc = enable;
153 case DCGU_HW_MODULE_SSI_S:
154 val.bits.swreset_clkssi_s = enable;
156 case DCGU_HW_MODULE_SSI_M:
157 val.bits.swreset_clkssi_m = enable;
159 case DCGU_HW_MODULE_SMC:
160 val.bits.swreset_clksmc = enable;
162 case DCGU_HW_MODULE_EBI:
163 val.bits.swreset_clkebi = enable;
165 case DCGU_HW_MODULE_USB_60:
166 val.bits.swreset_clkusb60 = enable;
168 case DCGU_HW_MODULE_USB_24:
169 val.bits.swreset_clkusb24 = enable;
171 case DCGU_HW_MODULE_UART_2:
172 val.bits.swreset_clkuart2 = enable;
174 case DCGU_HW_MODULE_UART_1:
175 val.bits.swreset_clkuart1 = enable;
177 case DCGU_HW_MODULE_PWM:
178 val.bits.swreset_pwm = enable;
180 case DCGU_HW_MODULE_GPT:
181 val.bits.swreset_gpt = enable;
183 case DCGU_HW_MODULE_I2C2:
184 val.bits.swreset_i2c2 = enable;
186 case DCGU_HW_MODULE_I2C1:
187 val.bits.swreset_i2c1 = enable;
189 case DCGU_HW_MODULE_GPIO2:
190 val.bits.swreset_gpio2 = enable;
192 case DCGU_HW_MODULE_GPIO1:
193 val.bits.swreset_gpio1 = enable;
195 case DCGU_HW_MODULE_CPU:
196 val.bits.swreset_clkcpu = enable;
198 case DCGU_HW_MODULE_I2S:
199 val.bits.swreset_clk_i2s_dly = enable;
201 case DCGU_HW_MODULE_ABP_SCC:
202 val.bits.swreset_clk_scc_abp = enable;
204 case DCGU_HW_MODULE_SPDIF:
205 val.bits.swreset_clk_dtv_spdo = enable;
207 case DCGU_HW_MODULE_AD:
208 val.bits.swreset_clkad = enable;
210 case DCGU_HW_MODULE_MVD:
211 val.bits.swreset_clkmvd = enable;
213 case DCGU_HW_MODULE_TSD:
214 val.bits.swreset_clktsd = enable;
216 case DCGU_HW_MODULE_TSIO:
217 val.bits.swreset_clktsio = enable;
219 case DCGU_HW_MODULE_GA:
220 val.bits.swreset_clkga = enable;
222 case DCGU_HW_MODULE_MPC:
223 val.bits.swreset_clkmpc = enable;
225 case DCGU_HW_MODULE_CVE:
226 val.bits.swreset_clkcve = enable;
228 case DCGU_HW_MODULE_DVP:
229 val.bits.swreset_clkdvp = enable;
231 case DCGU_HW_MODULE_MR2:
232 val.bits.swreset_clkmr2 = enable;
234 case DCGU_HW_MODULE_MR1:
235 val.bits.swreset_clkmr1 = enable;
238 printf("%s:%i:Invalid hardware module: %i\n", __FILE__,
242 reg_write(DCGU_RESET_UNIT1(DCGU_BASE), val.reg);