1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2013 Freescale Semiconductor, Inc.
4 */
5
6 #include <common.h>
7 #include <command.h>
8 #include <i2c.h>
9 #include <netdev.h>
10 #include <linux/compiler.h>
11 #include <asm/mmu.h>
12 #include <asm/processor.h>
13 #include <asm/cache.h>
14 #include <asm/immap_85xx.h>
15 #include <asm/fsl_law.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/fsl_liodn.h>
18 #include <fm_eth.h>
19 #include <hwconfig.h>
20
21 #include "../common/sleep.h"
22 #include "../common/qixis.h"
23 #include "t1040qds.h"
24 #include "t1040qds_qixis.h"
25
26 DECLARE_GLOBAL_DATA_PTR;
27
checkboard(void)28 int checkboard(void)
29 {
30 char buf[64];
31 u8 sw;
32 struct cpu_type *cpu = gd->arch.cpu;
33 static const char *const freq[] = {"100", "125", "156.25", "161.13",
34 "122.88", "122.88", "122.88"};
35 int clock;
36
37 printf("Board: %sQDS, ", cpu->name);
38 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
39 QIXIS_READ(id), QIXIS_READ(arch));
40
41 sw = QIXIS_READ(brdcfg[0]);
42 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
43
44 if (sw < 0x8)
45 printf("vBank: %d\n", sw);
46 else if (sw == 0x8)
47 puts("PromJet\n");
48 else if (sw == 0x9)
49 puts("NAND\n");
50 else if (sw == 0x15)
51 printf("IFCCard\n");
52 else
53 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
54
55 printf("FPGA: v%d (%s), build %d",
56 (int)QIXIS_READ(scver), qixis_read_tag(buf),
57 (int)qixis_read_minor());
58 /* the timestamp string contains "\n" at the end */
59 printf(" on %s", qixis_read_time(buf));
60
61 /*
62 * Display the actual SERDES reference clocks as configured by the
63 * dip switches on the board. Note that the SWx registers could
64 * technically be set to force the reference clocks to match the
65 * values that the SERDES expects (or vice versa). For now, however,
66 * we just display both values and hope the user notices when they
67 * don't match.
68 */
69 puts("SERDES Reference: ");
70 sw = QIXIS_READ(brdcfg[2]);
71 clock = (sw >> 6) & 3;
72 printf("Clock1=%sMHz ", freq[clock]);
73 clock = (sw >> 4) & 3;
74 printf("Clock2=%sMHz\n", freq[clock]);
75
76 return 0;
77 }
78
select_i2c_ch_pca9547(u8 ch)79 int select_i2c_ch_pca9547(u8 ch)
80 {
81 int ret;
82
83 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
84 if (ret) {
85 puts("PCA: failed to select proper channel\n");
86 return ret;
87 }
88
89 return 0;
90 }
91
qe_board_setup(void)92 static void qe_board_setup(void)
93 {
94 u8 brdcfg15, brdcfg9;
95
96 if (hwconfig("qe") && hwconfig("tdm")) {
97 brdcfg15 = QIXIS_READ(brdcfg[15]);
98 /*
99 * TDMRiser uses QE-TDM
100 * Route QE_TDM signals to TDM Riser slot
101 */
102 QIXIS_WRITE(brdcfg[15], brdcfg15 | 7);
103 } else if (hwconfig("qe") && hwconfig("uart")) {
104 brdcfg15 = QIXIS_READ(brdcfg[15]);
105 brdcfg9 = QIXIS_READ(brdcfg[9]);
106 /*
107 * Route QE_TDM signals to UCC
108 * ProfiBus controlled by UCC3
109 */
110 brdcfg15 &= 0xfc;
111 QIXIS_WRITE(brdcfg[15], brdcfg15 | 2);
112 QIXIS_WRITE(brdcfg[9], brdcfg9 | 4);
113 }
114 }
115
board_early_init_f(void)116 int board_early_init_f(void)
117 {
118 #if defined(CONFIG_DEEP_SLEEP)
119 if (is_warm_boot())
120 fsl_dp_disable_console();
121 #endif
122
123 return 0;
124 }
125
board_early_init_r(void)126 int board_early_init_r(void)
127 {
128 #ifdef CONFIG_SYS_FLASH_BASE
129 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
130 int flash_esel = find_tlb_idx((void *)flashbase, 1);
131
132 /*
133 * Remap Boot flash + PROMJET region to caching-inhibited
134 * so that flash can be erased properly.
135 */
136
137 /* Flush d-cache and invalidate i-cache of any FLASH data */
138 flush_dcache();
139 invalidate_icache();
140
141 if (flash_esel == -1) {
142 /* very unlikely unless something is messed up */
143 puts("Error: Could not find TLB for FLASH BASE\n");
144 flash_esel = 2; /* give our best effort to continue */
145 } else {
146 /* invalidate existing TLB entry for flash + promjet */
147 disable_tlb(flash_esel);
148 }
149
150 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
151 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
152 0, flash_esel, BOOKE_PAGESZ_256M, 1);
153 #endif
154 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
155
156 return 0;
157 }
158
get_board_sys_clk(void)159 unsigned long get_board_sys_clk(void)
160 {
161 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
162
163 switch (sysclk_conf & 0x0F) {
164 case QIXIS_SYSCLK_64:
165 return 64000000;
166 case QIXIS_SYSCLK_83:
167 return 83333333;
168 case QIXIS_SYSCLK_100:
169 return 100000000;
170 case QIXIS_SYSCLK_125:
171 return 125000000;
172 case QIXIS_SYSCLK_133:
173 return 133333333;
174 case QIXIS_SYSCLK_150:
175 return 150000000;
176 case QIXIS_SYSCLK_160:
177 return 160000000;
178 case QIXIS_SYSCLK_166:
179 return 166666666;
180 }
181 return 66666666;
182 }
183
get_board_ddr_clk(void)184 unsigned long get_board_ddr_clk(void)
185 {
186 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
187
188 switch ((ddrclk_conf & 0x30) >> 4) {
189 case QIXIS_DDRCLK_100:
190 return 100000000;
191 case QIXIS_DDRCLK_125:
192 return 125000000;
193 case QIXIS_DDRCLK_133:
194 return 133333333;
195 }
196 return 66666666;
197 }
198
199 #define NUM_SRDS_BANKS 2
misc_init_r(void)200 int misc_init_r(void)
201 {
202 u8 sw;
203 serdes_corenet_t *srds_regs =
204 (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
205 u32 actual[NUM_SRDS_BANKS] = { 0 };
206 int i;
207
208 sw = QIXIS_READ(brdcfg[2]);
209 for (i = 0; i < NUM_SRDS_BANKS; i++) {
210 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
211 switch (clock) {
212 case 0:
213 actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
214 break;
215 case 1:
216 actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
217 break;
218 case 2:
219 actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
220 break;
221 }
222 }
223
224 puts("SerDes1");
225 for (i = 0; i < NUM_SRDS_BANKS; i++) {
226 u32 pllcr0 = srds_regs->bank[i].pllcr0;
227 u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
228 if (expected != actual[i]) {
229 printf("expects ref clk%d %sMHz, but actual is %sMHz\n",
230 i + 1, serdes_clock_to_string(expected),
231 serdes_clock_to_string(actual[i]));
232 }
233 }
234
235 qe_board_setup();
236
237 return 0;
238 }
239
ft_board_setup(void * blob,bd_t * bd)240 int ft_board_setup(void *blob, bd_t *bd)
241 {
242 phys_addr_t base;
243 phys_size_t size;
244
245 ft_cpu_setup(blob, bd);
246
247 base = env_get_bootm_low();
248 size = env_get_bootm_size();
249
250 fdt_fixup_memory(blob, (u64)base, (u64)size);
251
252 #ifdef CONFIG_PCI
253 pci_of_setup(blob, bd);
254 #endif
255
256 fdt_fixup_liodn(blob);
257
258 #ifdef CONFIG_HAS_FSL_DR_USB
259 fsl_fdt_fixup_dr_usb(blob, bd);
260 #endif
261
262 #ifdef CONFIG_SYS_DPAA_FMAN
263 fdt_fixup_fman_ethernet(blob);
264 fdt_fixup_board_enet(blob);
265 #endif
266
267 return 0;
268 }
269
qixis_dump_switch(void)270 void qixis_dump_switch(void)
271 {
272 int i, nr_of_cfgsw;
273
274 QIXIS_WRITE(cms[0], 0x00);
275 nr_of_cfgsw = QIXIS_READ(cms[1]);
276
277 puts("DIP switch settings dump:\n");
278 for (i = 1; i <= nr_of_cfgsw; i++) {
279 QIXIS_WRITE(cms[0], i);
280 printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
281 }
282 }
283
board_need_mem_reset(void)284 int board_need_mem_reset(void)
285 {
286 return 1;
287 }
288