board: ls1043ardb: Modify pin-muxing code for USB and QE-HDLC
[oweals/u-boot.git] / board / freescale / ls1043ardb / ls1043ardb.c
1 /*
2  * Copyright 2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <common.h>
8 #include <i2c.h>
9 #include <asm/io.h>
10 #include <asm/arch/clock.h>
11 #include <asm/arch/fsl_serdes.h>
12 #include <asm/arch/soc.h>
13 #include <hwconfig.h>
14 #include <ahci.h>
15 #include <mmc.h>
16 #include <scsi.h>
17 #include <fm_eth.h>
18 #include <fsl_csu.h>
19 #include <fsl_esdhc.h>
20 #include <fsl_ifc.h>
21 #include <environment.h>
22 #include <fsl_sec.h>
23 #include "cpld.h"
24 #ifdef CONFIG_U_QE
25 #include <fsl_qe.h>
26 #endif
27
28
29 DECLARE_GLOBAL_DATA_PTR;
30
31 int checkboard(void)
32 {
33         static const char *freq[3] = {"100.00MHZ", "156.25MHZ"};
34 #ifndef CONFIG_SD_BOOT
35         u8 cfg_rcw_src1, cfg_rcw_src2;
36         u32 cfg_rcw_src;
37 #endif
38         u32 sd1refclk_sel;
39
40         printf("Board: LS1043ARDB, boot from ");
41
42 #ifdef CONFIG_SD_BOOT
43         puts("SD\n");
44 #else
45         cfg_rcw_src1 = CPLD_READ(cfg_rcw_src1);
46         cfg_rcw_src2 = CPLD_READ(cfg_rcw_src2);
47         cpld_rev_bit(&cfg_rcw_src1);
48         cfg_rcw_src = cfg_rcw_src1;
49         cfg_rcw_src = (cfg_rcw_src << 1) | cfg_rcw_src2;
50
51         if (cfg_rcw_src == 0x25)
52                 printf("vBank %d\n", CPLD_READ(vbank));
53         else if (cfg_rcw_src == 0x106)
54                 puts("NAND\n");
55         else
56                 printf("Invalid setting of SW4\n");
57 #endif
58
59         printf("CPLD:  V%x.%x\nPCBA:  V%x.0\n", CPLD_READ(cpld_ver),
60                CPLD_READ(cpld_ver_sub), CPLD_READ(pcba_ver));
61
62         puts("SERDES Reference Clocks:\n");
63         sd1refclk_sel = CPLD_READ(sd1refclk_sel);
64         printf("SD1_CLK1 = %s, SD1_CLK2 = %s\n", freq[sd1refclk_sel], freq[0]);
65
66         return 0;
67 }
68
69 int dram_init(void)
70 {
71         gd->ram_size = initdram(0);
72
73         return 0;
74 }
75
76 int board_early_init_f(void)
77 {
78         fsl_lsch2_early_init_f();
79
80         return 0;
81 }
82
83 int board_init(void)
84 {
85         struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
86
87         /*
88          * Set CCI-400 control override register to enable barrier
89          * transaction
90          */
91         out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
92
93 #ifdef CONFIG_FSL_IFC
94         init_final_memctl_regs();
95 #endif
96
97 #ifdef CONFIG_ENV_IS_NOWHERE
98         gd->env_addr = (ulong)&default_environment[0];
99 #endif
100
101 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
102         enable_layerscape_ns_access();
103 #endif
104
105 #ifdef CONFIG_U_QE
106         u_qe_init();
107 #endif
108
109         return 0;
110 }
111
112 int config_board_mux(void)
113 {
114         struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
115         u32 usb_pwrfault;
116
117         if (hwconfig("qe-hdlc")) {
118                 out_be32(&scfg->rcwpmuxcr0,
119                          (in_be32(&scfg->rcwpmuxcr0) & ~0xff00) | 0x6600);
120                 printf("Assign to qe-hdlc clk, rcwpmuxcr0=%x\n",
121                        in_be32(&scfg->rcwpmuxcr0));
122         } else {
123 #ifdef CONFIG_HAS_FSL_XHCI_USB
124                 out_be32(&scfg->rcwpmuxcr0, 0x3333);
125                 out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
126                 usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
127                                 SCFG_USBPWRFAULT_USB3_SHIFT) |
128                                 (SCFG_USBPWRFAULT_DEDICATED <<
129                                 SCFG_USBPWRFAULT_USB2_SHIFT) |
130                                 (SCFG_USBPWRFAULT_SHARED <<
131                                  SCFG_USBPWRFAULT_USB1_SHIFT);
132                 out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
133 #endif
134         }
135         return 0;
136 }
137
138 #if defined(CONFIG_MISC_INIT_R)
139 int misc_init_r(void)
140 {
141         config_board_mux();
142 #ifdef CONFIG_SECURE_BOOT
143         /* In case of Secure Boot, the IBR configures the SMMU
144          * to allow only Secure transactions.
145          * SMMU must be reset in bypass mode.
146          * Set the ClientPD bit and Clear the USFCFG Bit
147          */
148         u32 val;
149         val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
150         out_le32(SMMU_SCR0, val);
151         val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
152         out_le32(SMMU_NSCR0, val);
153 #endif
154 #ifdef CONFIG_FSL_CAAM
155         return sec_init();
156 #endif
157         return 0;
158 }
159 #endif
160
161 void fdt_del_qe(void *blob)
162 {
163         int nodeoff = 0;
164
165         while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
166                                 "fsl,qe")) >= 0) {
167                 fdt_del_node(blob, nodeoff);
168         }
169 }
170
171 int ft_board_setup(void *blob, bd_t *bd)
172 {
173         u64 base[CONFIG_NR_DRAM_BANKS];
174         u64 size[CONFIG_NR_DRAM_BANKS];
175
176         /* fixup DT for the two DDR banks */
177         base[0] = gd->bd->bi_dram[0].start;
178         size[0] = gd->bd->bi_dram[0].size;
179         base[1] = gd->bd->bi_dram[1].start;
180         size[1] = gd->bd->bi_dram[1].size;
181
182         fdt_fixup_memory_banks(blob, base, size, 2);
183         ft_cpu_setup(blob, bd);
184
185 #ifdef CONFIG_SYS_DPAA_FMAN
186         fdt_fixup_fman_ethernet(blob);
187 #endif
188
189         /*
190          * qe-hdlc and usb multi-use the pins,
191          * when set hwconfig to qe-hdlc, delete usb node.
192          */
193         if (hwconfig("qe-hdlc"))
194 #ifdef CONFIG_HAS_FSL_XHCI_USB
195                 fdt_del_node_and_alias(blob, "usb1");
196 #endif
197         /*
198          * qe just support qe-uart and qe-hdlc,
199          * if qe-uart and qe-hdlc are not set in hwconfig,
200          * delete qe node.
201          */
202         if (!hwconfig("qe-uart") && !hwconfig("qe-hdlc"))
203                 fdt_del_qe(blob);
204
205         return 0;
206 }
207
208 u8 flash_read8(void *addr)
209 {
210         return __raw_readb(addr + 1);
211 }
212
213 void flash_write16(u16 val, void *addr)
214 {
215         u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
216
217         __raw_writew(shftval, addr);
218 }
219
220 u16 flash_read16(void *addr)
221 {
222         u16 val = __raw_readw(addr);
223
224         return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
225 }