xref: /aosp_15_r20/external/coreboot/src/soc/qualcomm/ipq806x/include/soc/spi.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 /*
4  * Register definitions for the IPQ GSBI Controller
5  */
6 
7 #ifndef _IPQ806X_SPI_H_
8 #define _IPQ806X_SPI_H_
9 
10 #include <spi-generic.h>
11 #include <soc/iomap.h>
12 
13 #define QUP5_BASE	((uint32_t)GSBI_QUP5_BASE)
14 #define QUP6_BASE	((uint32_t)GSBI_QUP6_BASE)
15 #define QUP7_BASE	((uint32_t)GSBI_QUP7_BASE)
16 
17 #define GSBI5_QUP5_REG_BASE		(QUP5_BASE + 0x00000000)
18 #define GSBI6_QUP6_REG_BASE		(QUP6_BASE + 0x00000000)
19 #define GSBI7_QUP7_REG_BASE		(QUP7_BASE + 0x00000000)
20 
21 #define GSBI5_REG_BASE			((uint32_t)(GSBI5_BASE + 0x00000000))
22 #define GSBI6_REG_BASE			((uint32_t)(GSBI6_BASE + 0x00000000))
23 #define GSBI7_REG_BASE			((uint32_t)(GSBI7_BASE + 0x00000000))
24 
25 #define BOOT_SPI_PORT5_BASE		QUP5_BASE
26 #define BOOT_SPI_PORT6_BASE		QUP6_BASE
27 #define BOOT_SPI_PORT7_BASE		QUP7_BASE
28 
29 #define GSBI5_SPI_CONFIG_REG		(GSBI5_QUP5_REG_BASE + 0x00000300)
30 #define GSBI6_SPI_CONFIG_REG		(GSBI6_QUP6_REG_BASE + 0x00000300)
31 #define GSBI7_SPI_CONFIG_REG		(GSBI7_QUP7_REG_BASE + 0x00000300)
32 
33 #define GSBI5_SPI_IO_CONTROL_REG	(GSBI5_QUP5_REG_BASE + 0x00000304)
34 #define GSBI6_SPI_IO_CONTROL_REG	(GSBI6_QUP6_REG_BASE + 0x00000304)
35 #define GSBI7_SPI_IO_CONTROL_REG	(GSBI7_QUP7_REG_BASE + 0x00000304)
36 
37 #define GSBI5_SPI_ERROR_FLAGS_REG	(GSBI5_QUP5_REG_BASE + 0x00000308)
38 #define GSBI6_SPI_ERROR_FLAGS_REG	(GSBI6_QUP6_REG_BASE + 0x00000308)
39 #define GSBI7_SPI_ERROR_FLAGS_REG	(GSBI7_QUP7_REG_BASE + 0x00000308)
40 
41 #define GSBI5_SPI_ERROR_FLAGS_EN_REG	(GSBI5_QUP5_REG_BASE + 0x0000030c)
42 #define GSBI6_SPI_ERROR_FLAGS_EN_REG	(GSBI6_QUP6_REG_BASE + 0x0000030c)
43 #define GSBI7_SPI_ERROR_FLAGS_EN_REG	(GSBI7_QUP7_REG_BASE + 0x0000030c)
44 
45 #define GSBI5_GSBI_CTRL_REG_REG		(GSBI5_REG_BASE + 0x00000000)
46 #define GSBI6_GSBI_CTRL_REG_REG		(GSBI6_REG_BASE + 0x00000000)
47 #define GSBI7_GSBI_CTRL_REG_REG		(GSBI7_REG_BASE + 0x00000000)
48 
49 #define GSBI5_QUP_CONFIG_REG		(GSBI5_QUP5_REG_BASE + 0x00000000)
50 #define GSBI6_QUP_CONFIG_REG		(GSBI6_QUP6_REG_BASE + 0x00000000)
51 #define GSBI7_QUP_CONFIG_REG		(GSBI7_QUP7_REG_BASE + 0x00000000)
52 
53 #define GSBI5_QUP_ERROR_FLAGS_REG	(GSBI5_QUP5_REG_BASE      + 0x0000001c)
54 #define GSBI6_QUP_ERROR_FLAGS_REG	(GSBI6_QUP6_REG_BASE      + 0x0000001c)
55 #define GSBI7_QUP_ERROR_FLAGS_REG	(GSBI7_QUP7_REG_BASE      + 0x0000001c)
56 
57 #define GSBI5_QUP_ERROR_FLAGS_EN_REG	(GSBI5_QUP5_REG_BASE + 0x00000020)
58 #define GSBI6_QUP_ERROR_FLAGS_EN_REG	(GSBI6_QUP6_REG_BASE + 0x00000020)
59 #define GSBI7_QUP_ERROR_FLAGS_EN_REG	(GSBI7_QUP7_REG_BASE + 0x00000020)
60 
61 #define GSBI5_QUP_OPERATIONAL_REG	(GSBI5_QUP5_REG_BASE + 0x00000018)
62 #define GSBI6_QUP_OPERATIONAL_REG	(GSBI6_QUP6_REG_BASE + 0x00000018)
63 #define GSBI7_QUP_OPERATIONAL_REG	(GSBI7_QUP7_REG_BASE + 0x00000018)
64 
65 #define GSBI5_QUP_IO_MODES_REG		(GSBI5_QUP5_REG_BASE + 0x00000008)
66 #define GSBI6_QUP_IO_MODES_REG		(GSBI6_QUP6_REG_BASE + 0x00000008)
67 #define GSBI7_QUP_IO_MODES_REG		(GSBI7_QUP7_REG_BASE + 0x00000008)
68 
69 #define GSBI5_QUP_STATE_REG		(GSBI5_QUP5_REG_BASE + 0x00000004)
70 #define GSBI6_QUP_STATE_REG		(GSBI6_QUP6_REG_BASE + 0x00000004)
71 #define GSBI7_QUP_STATE_REG		(GSBI7_QUP7_REG_BASE + 0x00000004)
72 
73 #define GSBI5_QUP_OUT_FIFO_WORD_CNT_REG	(GSBI5_QUP5_REG_BASE + 0x0000010c)
74 #define GSBI6_QUP_OUT_FIFO_WORD_CNT_REG	(GSBI6_QUP6_REG_BASE + 0x0000010c)
75 #define GSBI7_QUP_OUT_FIFO_WORD_CNT_REG	(GSBI7_QUP7_REG_BASE + 0x0000010c)
76 
77 #define GSBI5_QUP_IN_FIFO_WORD_CNT_REG	(GSBI5_QUP5_REG_BASE + 0x00000214)
78 #define GSBI6_QUP_IN_FIFO_WORD_CNT_REG	(GSBI6_QUP6_REG_BASE + 0x00000214)
79 #define GSBI7_QUP_IN_FIFO_WORD_CNT_REG	(GSBI7_QUP7_REG_BASE + 0x00000214)
80 
81 #define GSBI5_QUP_INPUT_FIFOc_REG(c) \
82 		(GSBI5_QUP5_REG_BASE + 0x00000218 + 4 * (c))
83 #define GSBI6_QUP_INPUT_FIFOc_REG(c) \
84 		(GSBI6_QUP6_REG_BASE + 0x00000218 + 4 * (c))
85 #define GSBI7_QUP_INPUT_FIFOc_REG(c) \
86 		(GSBI7_QUP7_REG_BASE + 0x00000218 + 4 * (c))
87 
88 #define GSBI5_QUP_OUTPUT_FIFOc_REG(c) \
89 		(GSBI5_QUP5_REG_BASE + 0x00000110 + 4 * (c))
90 #define GSBI6_QUP_OUTPUT_FIFOc_REG(c) \
91 		(GSBI6_QUP6_REG_BASE + 0x00000110 + 4 * (c))
92 #define GSBI7_QUP_OUTPUT_FIFOc_REG(c) \
93 		(GSBI7_QUP7_REG_BASE + 0x00000110 + 4 * (c))
94 
95 #define GSBI5_QUP_MX_INPUT_COUNT_REG	(GSBI5_QUP5_REG_BASE + 0x00000200)
96 #define GSBI6_QUP_MX_INPUT_COUNT_REG	(GSBI6_QUP6_REG_BASE + 0x00000200)
97 #define GSBI7_QUP_MX_INPUT_COUNT_REG	(GSBI7_QUP7_REG_BASE + 0x00000200)
98 
99 #define GSBI5_QUP_MX_OUTPUT_COUNT_REG	(GSBI5_QUP5_REG_BASE + 0x00000100)
100 #define GSBI6_QUP_MX_OUTPUT_COUNT_REG	(GSBI6_QUP6_REG_BASE + 0x00000100)
101 #define GSBI7_QUP_MX_OUTPUT_COUNT_REG	(GSBI7_QUP7_REG_BASE + 0x00000100)
102 
103 #define GSBI5_QUP_SW_RESET_REG		(GSBI5_QUP5_REG_BASE + 0x0000000c)
104 #define GSBI6_QUP_SW_RESET_REG		(GSBI6_QUP6_REG_BASE + 0x0000000c)
105 #define GSBI7_QUP_SW_RESET_REG		(GSBI7_QUP7_REG_BASE + 0x0000000c)
106 
107 #define CLK_CTL_REG_BASE		0x00900000
108 #define GSBIn_RESET_REG(n) \
109 		(CLK_CTL_REG_BASE      + 0x000029dc + 32 * ((n)-1))
110 
111 #define SFAB_AHB_S3_FCLK_CTL_REG \
112 		(CLK_CTL_REG_BASE      + 0x0000216c)
113 #define CFPB_CLK_NS_REG \
114 		(CLK_CTL_REG_BASE      + 0x0000264c)
115 #define SFAB_CFPB_S_HCLK_CTL_REG \
116 		(CLK_CTL_REG_BASE      + 0x000026c0)
117 #define CFPB_SPLITTER_HCLK_CTL_REG \
118 		(CLK_CTL_REG_BASE      + 0x000026e0)
119 #define CFPB0_HCLK_CTL_REG \
120 		(CLK_CTL_REG_BASE      + 0x00002650)
121 #define CFPB2_HCLK_CTL_REG \
122 		(CLK_CTL_REG_BASE      + 0x00002658)
123 #define GSBIn_HCLK_CTL_REG(n) \
124 		(CLK_CTL_REG_BASE      + 0x000029c0 + 32 * ((n)-1))
125 #define GSBIn_QUP_APPS_NS_REG(n) \
126 	(CLK_CTL_REG_BASE      + 0x000029cc + 32 * ((n)-1))
127 #define GSBIn_QUP_APPS_MD_REG(n) \
128 		(CLK_CTL_REG_BASE      + 0x000029c8 + 32 * ((n)-1))
129 #define CLK_HALT_CFPB_STATEB_REG \
130 		(CLK_CTL_REG_BASE      + 0x00002fd0)
131 
132 #define GSBI5_HCLK				23
133 #define GSBI6_HCLK				19
134 #define GSBI7_HCLK				15
135 #define GSBI5_QUP_APPS_CLK			20
136 #define GSBI6_QUP_APPS_CLK			16
137 #define GSBI7_QUP_APPS_CLK			12
138 #define GSBI_CLK_BRANCH_ENA_MSK			(1 << 4)
139 #define GSBI_CLK_BRANCH_ENA			(1 << 4)
140 #define GSBI_CLK_BRANCH_DIS			(0 << 4)
141 #define QUP_CLK_BRANCH_ENA_MSK			(1 << 9)
142 #define QUP_CLK_BRANCH_ENA			(1 << 9)
143 #define QUP_CLK_BRANCH_DIS			(0 << 9)
144 #define CLK_ROOT_ENA_MSK			(1 << 11)
145 #define CLK_ROOT_ENA				(1 << 11)
146 #define CLK_ROOT_DIS				(0 << 11)
147 
148 #define QUP_STATE_VALID_BIT			2
149 #define QUP_STATE_VALID				1
150 #define QUP_STATE_MASK				0x3
151 #define QUP_CONFIG_MINI_CORE_MSK		(0x0F << 8)
152 #define QUP_CONFIG_MINI_CORE_SPI		(1 << 8)
153 #define SPI_QUP_CONF_INPUT_MSK			(1 << 7)
154 #define SPI_QUP_CONF_INPUT_ENA			(0 << 7)
155 #define SPI_QUP_CONF_NO_INPUT			(1 << 7)
156 #define SPI_QUP_CONF_OUTPUT_MSK			(1 << 6)
157 #define SPI_QUP_CONF_OUTPUT_ENA			(0 << 6)
158 #define SPI_QUP_CONF_NO_OUTPUT			(1 << 6)
159 #define SPI_QUP_CONF_OUTPUT_ENA			(0 << 6)
160 #define QUP_STATE_RESET_STATE			0x0
161 #define QUP_STATE_RUN_STATE			0x1
162 #define QUP_STATE_PAUSE_STATE			0x3
163 #define SPI_BIT_WORD_MSK			0x1F
164 #define SPI_8_BIT_WORD				0x07
165 #define PROTOCOL_CODE_MSK			(0x07 << 4)
166 #define PROTOCOL_CODE_SPI			(0x03 << 4)
167 #define LOOP_BACK_MSK				(1 << 8)
168 #define NO_LOOP_BACK				(0 << 8)
169 #define SLAVE_OPERATION_MSK			(1 << 5)
170 #define SLAVE_OPERATION				(0 << 5)
171 #define CLK_ALWAYS_ON				(0 << 9)
172 #define MX_CS_MODE				(0 << 8)
173 #define NO_TRI_STATE				(1 << 0)
174 #define OUTPUT_BIT_SHIFT_MSK			(1 << 16)
175 #define OUTPUT_BIT_SHIFT_EN			(1 << 16)
176 #define INPUT_BLOCK_MODE_MSK			(0x03 << 12)
177 #define INPUT_BLOCK_MODE			(0x01 << 12)
178 #define OUTPUT_BLOCK_MODE_MSK			(0x03 << 10)
179 #define OUTPUT_BLOCK_MODE			(0x01 << 10)
180 #define GSBI1_RESET				(1 << 0)
181 #define GSBI1_RESET_MSK				0x1
182 
183 #define GSBI_M_VAL_SHFT				16
184 #define GSBIn_M_VAL_MSK				(0xFF << GSBI_M_VAL_SHFT)
185 #define GSBI_N_VAL_SHFT				16
186 #define GSBIn_N_VAL_MSK				(0xFF << GSBI_N_VAL_SHFT)
187 #define GSBI_D_VAL_SHFT				0
188 #define GSBIn_D_VAL_MSK				(0xFF << GSBI_D_VAL_SHFT)
189 #define MNCNTR_RST_MSK				(1 << 7)
190 #define MNCNTR_RST_ENA				(1 << 7)
191 #define MNCNTR_RST_DIS				(0 << 7)
192 #define MNCNTR_MSK				(1 << 8)
193 #define MNCNTR_EN				(1 << 8)
194 #define MNCNTR_DIS				(0 << 8)
195 #define MNCNTR_MODE_MSK				(0x3 << 5)
196 #define MNCNTR_MODE_BYPASS			(0 << 5)
197 #define MNCNTR_MODE_DUAL_EDGE			(0x2 << 5)
198 #define GSBI_PRE_DIV_SEL_SHFT			3
199 #define GSBIn_PRE_DIV_SEL_MSK			(0x3 << GSBI_PRE_DIV_SEL_SHFT)
200 #define GSBIn_PLL_SRC_MSK			(0x03 << 0)
201 #define GSBIn_PLL_SRC_PXO			(0 << 0)
202 #define GSBIn_PLL_SRC_PLL8			(0x3 << 0)
203 
204 #define SPI_INPUT_FIRST_MODE			(1 << 9)
205 #define SPI_IO_CONTROL_CLOCK_IDLE_HIGH		(1 << 10)
206 #define QUP_DATA_AVAILABLE_FOR_READ		(1 << 5)
207 #define QUP_OUTPUT_FIFO_NOT_EMPTY		(1 << 4)
208 #define OUTPUT_SERVICE_FLAG			(1 << 8)
209 #define INPUT_SERVICE_FLAG			(1 << 9)
210 #define QUP_OUTPUT_FIFO_FULL			(1 << 6)
211 #define QUP_INPUT_FIFO_NOT_EMPTY		(1 << 5)
212 #define SPI_INPUT_BLOCK_SIZE			4
213 #define SPI_OUTPUT_BLOCK_SIZE			4
214 #define GSBI5_SPI_CLK				21
215 #define GSBI5_SPI_MISO				19
216 #define GSBI5_SPI_MOSI				18
217 #define GSBI5_SPI_CS_0				20
218 #define GSBI5_SPI_CS_1				61
219 #define GSBI5_SPI_CS_2				62
220 #define GSBI5_SPI_CS_3				2
221 #define GSBI6_SPI_CLK				30
222 #define GSBI6_SPI_CS_0				29
223 #define GSBI6_SPI_MISO				28
224 #define GSBI6_SPI_MOSI				27
225 #define GSBI7_SPI_CLK				9
226 #define GSBI7_SPI_CS_0				8
227 #define GSBI7_SPI_MISO				7
228 #define GSBI7_SPI_MOSI				6
229 
230 #define MSM_GSBI_MAX_FREQ			51200000
231 
232 #define SPI_RESET_STATE				0
233 #define SPI_RUN_STATE				1
234 #define SPI_PAUSE_STATE				3
235 #define SPI_CORE_RESET				0
236 #define SPI_CORE_RUNNING			1
237 #define GSBI_SPI_MODE_0				0
238 #define GSBI_SPI_MODE_1				1
239 #define GSBI_SPI_MODE_2				2
240 #define GSBI_SPI_MODE_3				3
241 #define GSBI5_SPI				0
242 #define GSBI6_SPI				1
243 #define GSBI7_SPI				2
244 
245 struct gsbi_spi {
246 	unsigned int     spi_config;
247 	unsigned int     io_control;
248 	unsigned int     error_flags;
249 	unsigned int     error_flags_en;
250 	unsigned int     gsbi_ctrl;
251 	unsigned int     qup_config;
252 	unsigned int     qup_error_flags;
253 	unsigned int     qup_error_flags_en;
254 	unsigned int     qup_operational;
255 	unsigned int     qup_io_modes;
256 	unsigned int     qup_state;
257 	unsigned int     qup_input_fifo;
258 	unsigned int     qup_output_fifo;
259 	unsigned int     qup_mx_input_count;
260 	unsigned int     qup_mx_output_count;
261 	unsigned int     qup_sw_reset;
262 	unsigned int     qup_ns_reg;
263 	unsigned int     qup_md_reg;
264 };
265 
266 struct ipq_spi_slave {
267 	struct spi_slave slave;
268 	const struct gsbi_spi *regs;
269 	unsigned int mode;
270 	unsigned int initialized;
271 	unsigned long freq;
272 	int allocated;
273 };
274 
275 #endif /* _IPQ806X_SPI_H_ */
276