1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2014 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <clock_legacy.h>
8 #include <net.h>
9 #include <asm/global_data.h>
10 #include <linux/libfdt.h>
11 #include <fdt_support.h>
12 #include <asm/io.h>
13 #include <asm/processor.h>
14 #include <asm/arch/clock.h>
15 #include <linux/ctype.h>
16 #ifdef CONFIG_FSL_ESDHC
17 #include <fsl_esdhc.h>
18 #endif
19 #include <tsec.h>
20 #include <asm/arch/immap_ls102xa.h>
21 #include <fsl_sec.h>
22 #include <dm.h>
23 
24 DECLARE_GLOBAL_DATA_PTR;
25 
ft_fixup_enet_phy_connect_type(void * fdt)26 void ft_fixup_enet_phy_connect_type(void *fdt)
27 {
28 #ifdef CONFIG_DM_ETH
29 	struct udevice *dev;
30 #else
31 	struct eth_device *dev;
32 #endif
33 	struct tsec_private *priv;
34 	const char *enet_path, *phy_path;
35 	char enet[16];
36 	char phy[16];
37 	int phy_node;
38 	int i = 0;
39 	uint32_t ph;
40 #ifdef CONFIG_DM_ETH
41 	char *name[3] = { "ethernet@2d10000", "ethernet@2d50000",
42 			  "ethernet@2d90000" };
43 #else
44 	char *name[3] = { "eTSEC1", "eTSEC2", "eTSEC3" };
45 #endif
46 
47 	for (; i < ARRAY_SIZE(name); i++) {
48 		dev = eth_get_dev_by_name(name[i]);
49 		if (dev) {
50 			sprintf(enet, "ethernet%d", i);
51 			sprintf(phy, "enet%d_rgmii_phy", i);
52 		} else {
53 			continue;
54 		}
55 
56 #ifdef CONFIG_DM_ETH
57 		priv = dev_get_priv(dev);
58 #else
59 		priv = dev->priv;
60 #endif
61 		if (priv->flags & TSEC_SGMII)
62 			continue;
63 
64 		enet_path = fdt_get_alias(fdt, enet);
65 		if (!enet_path)
66 			continue;
67 
68 		phy_path = fdt_get_alias(fdt, phy);
69 		if (!phy_path)
70 			continue;
71 
72 		phy_node = fdt_path_offset(fdt, phy_path);
73 		if (phy_node < 0)
74 			continue;
75 
76 		ph = fdt_create_phandle(fdt, phy_node);
77 		if (ph)
78 			do_fixup_by_path_u32(fdt, enet_path,
79 					     "phy-handle", ph, 1);
80 
81 		do_fixup_by_path(fdt, enet_path, "phy-connection-type",
82 				 phy_string_for_interface(
83 				 PHY_INTERFACE_MODE_RGMII_ID),
84 				 strlen(phy_string_for_interface(
85 				 PHY_INTERFACE_MODE_RGMII_ID)) + 1,
86 				 1);
87 	}
88 }
89 
ft_cpu_setup(void * blob,struct bd_info * bd)90 void ft_cpu_setup(void *blob, struct bd_info *bd)
91 {
92 	int off;
93 	int val;
94 	const char *sysclk_path;
95 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
96 	unsigned int svr;
97 	svr = in_be32(&gur->svr);
98 
99 	unsigned long busclk = get_bus_freq(0);
100 
101 	/* delete crypto node if not on an E-processor */
102 	if (!IS_E_PROCESSOR(svr))
103 		fdt_fixup_crypto_node(blob, 0);
104 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
105 	else {
106 		ccsr_sec_t __iomem *sec;
107 
108 		sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
109 		fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
110 	}
111 #endif
112 
113 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
114 	while (off != -FDT_ERR_NOTFOUND) {
115 		val = gd->cpu_clk;
116 		fdt_setprop(blob, off, "clock-frequency", &val, 4);
117 		off = fdt_node_offset_by_prop_value(blob, off,
118 						    "device_type", "cpu", 4);
119 	}
120 
121 	do_fixup_by_prop_u32(blob, "device_type", "soc",
122 			     4, "bus-frequency", busclk, 1);
123 
124 	ft_fixup_enet_phy_connect_type(blob);
125 
126 #ifdef CONFIG_SYS_NS16550
127 	do_fixup_by_compat_u32(blob, "fsl,16550-FIFO64",
128 			       "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
129 #endif
130 
131 	sysclk_path = fdt_get_alias(blob, "sysclk");
132 	if (sysclk_path)
133 		do_fixup_by_path_u32(blob, sysclk_path, "clock-frequency",
134 				     CONFIG_SYS_CLK_FREQ, 1);
135 	do_fixup_by_compat_u32(blob, "fsl,qoriq-sysclk-2.0",
136 			       "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
137 
138 #if defined(CONFIG_DEEP_SLEEP) && defined(CONFIG_SD_BOOT)
139 #define UBOOT_HEAD_LEN	0x1000
140 	/*
141 	 * Reserved memory in SD boot deep sleep case.
142 	 * Second stage uboot binary and malloc space should be reserved.
143 	 * If the memory they occupied has not been reserved, then this
144 	 * space would be used by kernel and overwritten in uboot when
145 	 * deep sleep resume, which cause deep sleep failed.
146 	 * Since second uboot binary has a head, that space need to be
147 	 * reserved either(assuming its size is less than 0x1000).
148 	 */
149 	off = fdt_add_mem_rsv(blob, CONFIG_SYS_TEXT_BASE - UBOOT_HEAD_LEN,
150 			CONFIG_SYS_MONITOR_LEN + CONFIG_SYS_SPL_MALLOC_SIZE +
151 			UBOOT_HEAD_LEN);
152 	if (off < 0)
153 		printf("Failed to reserve memory for SD boot deep sleep: %s\n",
154 		       fdt_strerror(off));
155 #endif
156 
157 #if defined(CONFIG_FSL_ESDHC)
158 	fdt_fixup_esdhc(blob, bd);
159 #endif
160 
161 	/*
162 	 * platform bus clock = system bus clock/2
163 	 * Here busclk = system bus clock
164 	 * We are using the platform bus clock as 1588 Timer reference
165 	 * clock source select
166 	 */
167 	do_fixup_by_compat_u32(blob, "fsl, gianfar-ptp-timer",
168 			       "timer-frequency", busclk / 2, 1);
169 
170 	/*
171 	 * clock-freq should change to clock-frequency and
172 	 * flexcan-v1.0 should change to p1010-flexcan respectively
173 	 * in the future.
174 	 */
175 	do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0",
176 			       "clock_freq", busclk / 2, 1);
177 
178 	do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0",
179 			       "clock-frequency", busclk / 2, 1);
180 
181 	do_fixup_by_compat_u32(blob, "fsl, ls1021a-flexcan",
182 			       "clock-frequency", busclk / 2, 1);
183 
184 #if defined(CONFIG_QSPI_BOOT) || defined(CONFIG_SD_BOOT_QSPI)
185 	off = fdt_node_offset_by_compat_reg(blob, FSL_IFC_COMPAT,
186 					    CONFIG_SYS_IFC_ADDR);
187 	fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
188 #else
189 	off = fdt_node_offset_by_compat_reg(blob, FSL_QSPI_COMPAT,
190 					    QSPI0_BASE_ADDR);
191 	fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
192 	off = fdt_node_offset_by_compat_reg(blob, FSL_DSPI_COMPAT,
193 					    DSPI1_BASE_ADDR);
194 	fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
195 #endif
196 }
197