2 * Copyright 2009-2014 Freescale Semiconductor, Inc.
4 * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
5 * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
6 * cpu specific common code for 85xx/86xx processors.
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <fdt_support.h>
14 #include <asm/fsl_serdes.h>
18 #ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
19 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
22 #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
23 static int ft_del_cpuhandle(void *blob, int cpuhandle)
25 int off, ret = -FDT_ERR_NOTFOUND;
27 /* if we find a match, we'll delete at it which point the offsets are
28 * invalid so we start over from the beginning
30 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
32 while (off != -FDT_ERR_NOTFOUND) {
33 fdt_delprop(blob, off, "cpu-handle");
35 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
42 void ft_fixup_num_cores(void *blob) {
43 int off, num_cores, del_cores;
46 num_cores = cpu_numcores();
48 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
49 while (off != -FDT_ERR_NOTFOUND) {
50 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
51 u32 phys_cpu_id = thread_to_core(*reg);
53 if (!is_core_valid(phys_cpu_id) || is_core_disabled(phys_cpu_id)) {
54 int ph = fdt_get_phandle(blob, off);
56 /* Delete the cpu node once there are no cpu handles */
57 if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
58 fdt_del_node(blob, off);
61 /* either we deleted some cpu handles or the cpu node
62 * so we reset the offset back to the start since we
63 * can't trust the offsets anymore
67 off = fdt_node_offset_by_prop_value(blob, off,
68 "device_type", "cpu", 4);
70 debug ("%x core system found\n", num_cores);
71 debug ("deleted %d extra core entry entries from device tree\n",
74 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
77 * update crypto node properties to a specified revision of the SEC
78 * called with sec_rev == 0 if not on an E processor
80 #if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
81 void fdt_fixup_crypto_node(void *blob, int sec_rev)
83 static const struct sec_rev_prop {
88 u32 descriptor_types_mask;
89 } sec_rev_prop_list [] = {
90 { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
91 { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
92 { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
93 { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
94 { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
95 { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
96 { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
98 static char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
99 sizeof("fsl,secX.Y")];
100 int crypto_node, sec_idx, err;
104 /* locate crypto node based on lowest common compatible */
105 crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
106 if (crypto_node == -FDT_ERR_NOTFOUND)
109 /* delete it if not on an E-processor */
110 if (crypto_node > 0 && !sec_rev) {
111 fdt_del_node(blob, crypto_node);
115 /* else we got called for possible uprev */
116 for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
117 if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
120 if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
121 puts("warning: unknown SEC revision number\n");
125 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
126 err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
128 printf("WARNING: could not set crypto property: %s\n",
131 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
132 err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
134 printf("WARNING: could not set crypto property: %s\n",
137 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
138 err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
140 printf("WARNING: could not set crypto property: %s\n",
143 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
144 err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
146 printf("WARNING: could not set crypto property: %s\n",
150 while (sec_idx >= 0) {
151 p = compat_strlist + val;
152 val += sprintf(p, "fsl,sec%d.%d",
153 (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
154 sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
157 err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
159 printf("WARNING: could not set crypto property: %s\n",
162 #elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
163 static u8 caam_get_era(void)
165 static const struct {
185 ccsr_sec_t __iomem *sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
186 u32 secvid_ms = sec_in32(&sec->secvid_ms);
187 u32 ccbvid = sec_in32(&sec->ccbvid);
188 u16 ip_id = (secvid_ms & SEC_SECVID_MS_IPID_MASK) >>
189 SEC_SECVID_MS_IPID_SHIFT;
190 u8 maj_rev = (secvid_ms & SEC_SECVID_MS_MAJ_REV_MASK) >>
191 SEC_SECVID_MS_MAJ_REV_SHIFT;
192 u8 era = (ccbvid & SEC_CCBVID_ERA_MASK) >> SEC_CCBVID_ERA_SHIFT;
196 if (era) /* This is '0' prior to CAAM ERA-6 */
199 for (i = 0; i < ARRAY_SIZE(caam_eras); i++)
200 if (caam_eras[i].ip_id == ip_id &&
201 caam_eras[i].maj_rev == maj_rev)
202 return caam_eras[i].era;
207 static void fdt_fixup_crypto_era(void *blob, u32 era)
212 crypto_node = fdt_path_offset(blob, "crypto");
213 if (crypto_node < 0) {
214 printf("WARNING: Missing crypto node\n");
218 err = fdt_setprop(blob, crypto_node, "fsl,sec-era", &era,
221 printf("ERROR: could not set fsl,sec-era property: %s\n",
226 void fdt_fixup_crypto_node(void *blob, int sec_rev)
231 fdt_del_node_and_alias(blob, "crypto");
235 /* Add SEC ERA information in compatible */
236 era = caam_get_era();
238 fdt_fixup_crypto_era(blob, era);
240 printf("WARNING: Unable to get ERA for CAAM rev: %d\n",
246 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
248 return fdt_setprop_string(blob, offset, "phy-connection-type",
249 phy_string_for_interface(phyc));
252 #ifdef CONFIG_SYS_SRIO
253 static inline void ft_disable_srio_port(void *blob, int srio_off, int port)
255 int off = fdt_node_offset_by_prop_value(blob, srio_off,
256 "cell-index", &port, 4);
258 off = fdt_setprop_string(blob, off, "status", "disabled");
260 printf("WARNING unable to set status for fsl,srio "
261 "port %d: %s\n", port, fdt_strerror(off));
265 static inline void ft_disable_rman(void *blob)
267 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,rman");
269 off = fdt_setprop_string(blob, off, "status", "disabled");
271 printf("WARNING unable to set status for fsl,rman %s\n",
276 static inline void ft_disable_rmu(void *blob)
278 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio-rmu");
280 off = fdt_setprop_string(blob, off, "status", "disabled");
282 printf("WARNING unable to set status for "
283 "fsl,srio-rmu %s\n", fdt_strerror(off));
287 void ft_srio_setup(void *blob)
289 int srio1_used = 0, srio2_used = 0;
292 /* search for srio node, if doesn't exist just return - nothing todo */
293 srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
298 if (is_serdes_configured(SRIO1))
302 if (is_serdes_configured(SRIO2))
306 /* mark port1 disabled */
308 ft_disable_srio_port(blob, srio_off, 1);
310 /* mark port2 disabled */
312 ft_disable_srio_port(blob, srio_off, 2);
314 /* if both ports not used, disable controller, rmu and rman */
315 if (!srio1_used && !srio2_used) {
316 fdt_setprop_string(blob, srio_off, "status", "disabled");
318 ft_disable_rman(blob);
319 ft_disable_rmu(blob);