1 /*
2  * Copyright 2014 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 #include <i2c.h>
10 #include <netdev.h>
11 #include <linux/compiler.h>
12 #include <asm/mmu.h>
13 #include <asm/processor.h>
14 #include <asm/immap_85xx.h>
15 #include <asm/fsl_law.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/fsl_portals.h>
18 #include <asm/fsl_liodn.h>
19 #include <fm_eth.h>
20 #include "t102xrdb.h"
21 #ifdef CONFIG_T1024RDB
22 #include "cpld.h"
23 #endif
24 #include "../common/sleep.h"
25 
26 DECLARE_GLOBAL_DATA_PTR;
27 
28 #ifdef CONFIG_T1023RDB
29 enum {
30 	GPIO1_SD_SEL    = 0x00020000, /* GPIO1_14, 0: EMMC, 1:SD/MMC */
31 	GPIO1_EMMC_SEL,
32 	GPIO1_VBANK0,
33 	GPIO1_VBANK4    = 0x00008000, /* GPIO1_16/20/22,  100:vBank4 */
34 	GPIO1_VBANK_MASK = 0x00008a00,
35 	GPIO1_DIR_OUTPUT = 0x00028a00,
36 	GPIO1_GET_VAL,
37 };
38 #endif
39 
40 int checkboard(void)
41 {
42 	struct cpu_type *cpu = gd->arch.cpu;
43 	static const char *freq[3] = {"100.00MHZ", "125.00MHz", "156.25MHZ"};
44 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
45 	u32 srds_s1;
46 
47 	srds_s1 = in_be32(&gur->rcwsr[4]) & FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
48 	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
49 
50 	printf("Board: %sRDB, ", cpu->name);
51 #ifdef CONFIG_T1024RDB
52 	printf("Board rev: 0x%02x CPLD ver: 0x%02x, ",
53 	       CPLD_READ(hw_ver), CPLD_READ(sw_ver));
54 #endif
55 	printf("boot from ");
56 
57 #ifdef CONFIG_SDCARD
58 	puts("SD/MMC\n");
59 #elif CONFIG_SPIFLASH
60 	puts("SPI\n");
61 #elif defined(CONFIG_T1024RDB)
62 	u8 reg;
63 
64 	reg = CPLD_READ(flash_csr);
65 
66 	if (reg & CPLD_BOOT_SEL) {
67 		puts("NAND\n");
68 	} else {
69 		reg = ((reg & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT);
70 		printf("NOR vBank%d\n", reg);
71 	}
72 #elif defined(CONFIG_T1023RDB)
73 #ifdef CONFIG_NAND
74 	puts("NAND\n");
75 #else
76 	printf("NOR vBank%d\n", (t1023rdb_gpio_ctrl(GPIO1_GET_VAL) &
77 	       GPIO1_VBANK4) >> 15 ? 4 : 0);
78 #endif
79 #endif
80 
81 	puts("SERDES Reference Clocks:\n");
82 	if (srds_s1 == 0x95)
83 		printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[2], freq[0]);
84 	else
85 		printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[0], freq[1]);
86 
87 	return 0;
88 }
89 
90 #ifdef CONFIG_T1024RDB
91 static void board_mux_lane(void)
92 {
93 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
94 	u32 srds_prtcl_s1;
95 	u8 reg = CPLD_READ(misc_ctl_status);
96 
97 	srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
98 				FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
99 	srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
100 
101 	if (srds_prtcl_s1 == 0x95) {
102 		/* Route Lane B to PCIE */
103 		CPLD_WRITE(misc_ctl_status, reg & ~CPLD_PCIE_SGMII_MUX);
104 	} else {
105 		/* Route Lane B to SGMII */
106 		CPLD_WRITE(misc_ctl_status, reg | CPLD_PCIE_SGMII_MUX);
107 	}
108 	CPLD_WRITE(boot_override, CPLD_OVERRIDE_MUX_EN);
109 }
110 #endif
111 
112 int board_early_init_f(void)
113 {
114 #if defined(CONFIG_DEEP_SLEEP)
115 	if (is_warm_boot())
116 		fsl_dp_disable_console();
117 #endif
118 
119 	return 0;
120 }
121 
122 int board_early_init_r(void)
123 {
124 #ifdef CONFIG_SYS_FLASH_BASE
125 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
126 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
127 	/*
128 	 * Remap Boot flash region to caching-inhibited
129 	 * so that flash can be erased properly.
130 	 */
131 
132 	/* Flush d-cache and invalidate i-cache of any FLASH data */
133 	flush_dcache();
134 	invalidate_icache();
135 	if (flash_esel == -1) {
136 		/* very unlikely unless something is messed up */
137 		puts("Error: Could not find TLB for FLASH BASE\n");
138 		flash_esel = 2;	/* give our best effort to continue */
139 	} else {
140 		/* invalidate existing TLB entry for flash + promjet */
141 		disable_tlb(flash_esel);
142 	}
143 
144 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
145 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
146 		0, flash_esel, BOOKE_PAGESZ_256M, 1);
147 #endif
148 
149 	set_liodns();
150 #ifdef CONFIG_SYS_DPAA_QBMAN
151 	setup_portals();
152 #endif
153 #ifdef CONFIG_T1024RDB
154 	board_mux_lane();
155 #endif
156 
157 	return 0;
158 }
159 
160 unsigned long get_board_sys_clk(void)
161 {
162 	return CONFIG_SYS_CLK_FREQ;
163 }
164 
165 unsigned long get_board_ddr_clk(void)
166 {
167 	return CONFIG_DDR_CLK_FREQ;
168 }
169 
170 int misc_init_r(void)
171 {
172 	return 0;
173 }
174 
175 int ft_board_setup(void *blob, bd_t *bd)
176 {
177 	phys_addr_t base;
178 	phys_size_t size;
179 
180 	ft_cpu_setup(blob, bd);
181 
182 	base = getenv_bootm_low();
183 	size = getenv_bootm_size();
184 
185 	fdt_fixup_memory(blob, (u64)base, (u64)size);
186 
187 #ifdef CONFIG_PCI
188 	pci_of_setup(blob, bd);
189 #endif
190 
191 	fdt_fixup_liodn(blob);
192 	fdt_fixup_dr_usb(blob, bd);
193 
194 #ifdef CONFIG_SYS_DPAA_FMAN
195 	fdt_fixup_fman_ethernet(blob);
196 	fdt_fixup_board_enet(blob);
197 #endif
198 
199 	return 0;
200 }
201 
202 
203 #ifdef CONFIG_T1023RDB
204 static u32 t1023rdb_gpio_ctrl(u32 ctrl_type)
205 {
206 	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
207 	u32 gpioval;
208 
209 	setbits_be32(&pgpio->gpdir, GPIO1_DIR_OUTPUT);
210 	gpioval = in_be32(&pgpio->gpdat);
211 
212 	switch (ctrl_type) {
213 	case GPIO1_SD_SEL:
214 		gpioval |= GPIO1_SD_SEL;
215 		break;
216 	case GPIO1_EMMC_SEL:
217 		gpioval &= ~GPIO1_SD_SEL;
218 		break;
219 	case GPIO1_VBANK0:
220 		gpioval &= ~GPIO1_VBANK_MASK;
221 		break;
222 	case GPIO1_VBANK4:
223 		gpioval &= ~GPIO1_VBANK_MASK;
224 		gpioval |= GPIO1_VBANK4;
225 		break;
226 	case GPIO1_GET_VAL:
227 		return gpioval;
228 	default:
229 		break;
230 	}
231 	out_be32(&pgpio->gpdat, gpioval);
232 
233 	return 0;
234 }
235 
236 static int gpio_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
237 		    char * const argv[])
238 {
239 	if (argc < 2)
240 		return CMD_RET_USAGE;
241 	if (!strcmp(argv[1], "vbank0"))
242 		t1023rdb_gpio_ctrl(GPIO1_VBANK0);
243 	else if (!strcmp(argv[1], "vbank4"))
244 		t1023rdb_gpio_ctrl(GPIO1_VBANK4);
245 	else if (!strcmp(argv[1], "sd"))
246 		t1023rdb_gpio_ctrl(GPIO1_SD_SEL);
247 	else if (!strcmp(argv[1], "EMMC"))
248 		t1023rdb_gpio_ctrl(GPIO1_EMMC_SEL);
249 	else
250 		return CMD_RET_USAGE;
251 	return 0;
252 }
253 
254 U_BOOT_CMD(
255 	gpio, 2, 0, gpio_cmd,
256 	"for vbank0/vbank4/SD/eMMC switch control in runtime",
257 	"command (e.g. gpio vbank4)"
258 );
259 #endif
260