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 #include "cpld.h"
22 #include "../common/sleep.h"
23 
24 DECLARE_GLOBAL_DATA_PTR;
25 
26 int checkboard(void)
27 {
28 	struct cpu_type *cpu = gd->arch.cpu;
29 	static const char *freq[3] = {"100.00MHZ", "125.00MHz", "156.25MHZ"};
30 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
31 	u32 srds_s1;
32 
33 	srds_s1 = in_be32(&gur->rcwsr[4]) & FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
34 	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
35 
36 	printf("Board: %sRDB, ", cpu->name);
37 	printf("Board rev: 0x%02x CPLD ver: 0x%02x, boot from ",
38 	       CPLD_READ(hw_ver), CPLD_READ(sw_ver));
39 
40 #ifdef CONFIG_SDCARD
41 	puts("SD/MMC\n");
42 #elif CONFIG_SPIFLASH
43 	puts("SPI\n");
44 #else
45 	u8 reg;
46 
47 	reg = CPLD_READ(flash_csr);
48 
49 	if (reg & CPLD_BOOT_SEL) {
50 		puts("NAND\n");
51 	} else {
52 		reg = ((reg & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT);
53 		printf("NOR vBank%d\n", reg);
54 	}
55 #endif
56 
57 	puts("SERDES Reference Clocks:\n");
58 	if (srds_s1 == 0x95)
59 		printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[2], freq[0]);
60 	else
61 		printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[0], freq[0]);
62 
63 	return 0;
64 }
65 
66 static void board_mux_lane(void)
67 {
68 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
69 	u32 srds_prtcl_s1;
70 	u8 reg = CPLD_READ(misc_ctl_status);
71 
72 	srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
73 				FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
74 	srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
75 
76 	if (srds_prtcl_s1 == 0x95) {
77 		/* Route Lane B to PCIE */
78 		CPLD_WRITE(misc_ctl_status, reg & ~CPLD_PCIE_SGMII_MUX);
79 	} else {
80 		/* Route Lane B to SGMII */
81 		CPLD_WRITE(misc_ctl_status, reg | CPLD_PCIE_SGMII_MUX);
82 	}
83 	CPLD_WRITE(boot_override, CPLD_OVERRIDE_MUX_EN);
84 }
85 
86 int board_early_init_f(void)
87 {
88 #if defined(CONFIG_DEEP_SLEEP)
89 	if (is_warm_boot())
90 		fsl_dp_disable_console();
91 #endif
92 
93 	return 0;
94 }
95 
96 int board_early_init_r(void)
97 {
98 #ifdef CONFIG_SYS_FLASH_BASE
99 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
100 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
101 	/*
102 	 * Remap Boot flash region to caching-inhibited
103 	 * so that flash can be erased properly.
104 	 */
105 
106 	/* Flush d-cache and invalidate i-cache of any FLASH data */
107 	flush_dcache();
108 	invalidate_icache();
109 	if (flash_esel == -1) {
110 		/* very unlikely unless something is messed up */
111 		puts("Error: Could not find TLB for FLASH BASE\n");
112 		flash_esel = 2;	/* give our best effort to continue */
113 	} else {
114 		/* invalidate existing TLB entry for flash + promjet */
115 		disable_tlb(flash_esel);
116 	}
117 
118 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
119 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
120 		0, flash_esel, BOOKE_PAGESZ_256M, 1);
121 #endif
122 
123 	set_liodns();
124 #ifdef CONFIG_SYS_DPAA_QBMAN
125 	setup_portals();
126 #endif
127 	board_mux_lane();
128 
129 	return 0;
130 }
131 
132 unsigned long get_board_sys_clk(void)
133 {
134 	return CONFIG_SYS_CLK_FREQ;
135 }
136 
137 unsigned long get_board_ddr_clk(void)
138 {
139 	return CONFIG_DDR_CLK_FREQ;
140 }
141 
142 int misc_init_r(void)
143 {
144 	return 0;
145 }
146 
147 int ft_board_setup(void *blob, bd_t *bd)
148 {
149 	phys_addr_t base;
150 	phys_size_t size;
151 
152 	ft_cpu_setup(blob, bd);
153 
154 	base = getenv_bootm_low();
155 	size = getenv_bootm_size();
156 
157 	fdt_fixup_memory(blob, (u64)base, (u64)size);
158 
159 #ifdef CONFIG_PCI
160 	pci_of_setup(blob, bd);
161 #endif
162 
163 	fdt_fixup_liodn(blob);
164 	fdt_fixup_dr_usb(blob, bd);
165 
166 #ifdef CONFIG_SYS_DPAA_FMAN
167 	fdt_fixup_fman_ethernet(blob);
168 	fdt_fixup_board_enet(blob);
169 #endif
170 
171 	return 0;
172 }
173