* This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
* arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
* cpu specific common code for 85xx/86xx processors.
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
DECLARE_GLOBAL_DATA_PTR;
-struct cpu_type cpu_type_list [] = {
+static struct cpu_type cpu_type_list[] = {
#if defined(CONFIG_MPC85xx)
CPU_TYPE_ENTRY(8533, 8533, 1),
CPU_TYPE_ENTRY(8535, 8535, 1),
CPU_TYPE_ENTRY(P2040, P2040, 4),
CPU_TYPE_ENTRY(P2041, P2041, 4),
CPU_TYPE_ENTRY(P3041, P3041, 4),
- CPU_TYPE_ENTRY_MASK(P3060, P3060, 6, 0xf3),
CPU_TYPE_ENTRY(P4040, P4040, 4),
CPU_TYPE_ENTRY(P4080, P4080, 8),
CPU_TYPE_ENTRY(P5010, P5010, 1),
CPU_TYPE_ENTRY(P5020, P5020, 2),
+ CPU_TYPE_ENTRY(P5021, P5021, 2),
+ CPU_TYPE_ENTRY(P5040, P5040, 4),
+ CPU_TYPE_ENTRY(T4240, T4240, 0),
+ CPU_TYPE_ENTRY(T4120, T4120, 0),
+ CPU_TYPE_ENTRY(T4160, T4160, 0),
+ CPU_TYPE_ENTRY(B4860, B4860, 0),
+ CPU_TYPE_ENTRY(G4860, G4860, 0),
+ CPU_TYPE_ENTRY(G4060, G4060, 0),
+ CPU_TYPE_ENTRY(B4440, B4440, 0),
+ CPU_TYPE_ENTRY(G4440, G4440, 0),
+ CPU_TYPE_ENTRY(B4420, B4420, 0),
+ CPU_TYPE_ENTRY(B4220, B4220, 0),
+ CPU_TYPE_ENTRY(T1040, T1040, 0),
+ CPU_TYPE_ENTRY(T1041, T1041, 0),
+ CPU_TYPE_ENTRY(T1042, T1042, 0),
+ CPU_TYPE_ENTRY(T1020, T1020, 0),
+ CPU_TYPE_ENTRY(T1021, T1021, 0),
+ CPU_TYPE_ENTRY(T1022, T1022, 0),
CPU_TYPE_ENTRY(BSC9130, 9130, 1),
CPU_TYPE_ENTRY(BSC9131, 9131, 1),
+ CPU_TYPE_ENTRY(BSC9132, 9132, 2),
+ CPU_TYPE_ENTRY(BSC9232, 9232, 2),
+ CPU_TYPE_ENTRY(C291, C291, 1),
+ CPU_TYPE_ENTRY(C292, C292, 1),
+ CPU_TYPE_ENTRY(C293, C293, 1),
#elif defined(CONFIG_MPC86xx)
CPU_TYPE_ENTRY(8610, 8610, 1),
CPU_TYPE_ENTRY(8641, 8641, 2),
#endif
};
-struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 1);
+#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
+static inline u32 init_type(u32 cluster, int init_id)
+{
+ ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 idx = (cluster >> (init_id * 8)) & TP_CLUSTER_INIT_MASK;
+ u32 type = in_be32(&gur->tp_ityp[idx]);
+
+ if (type & TP_ITYP_AV)
+ return type;
+
+ return 0;
+}
+
+u32 compute_ppc_cpumask(void)
+{
+ ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ int i = 0, count = 0;
+ u32 cluster, type, mask = 0;
+
+ do {
+ int j;
+ cluster = in_be32(&gur->tp_cluster[i].lower);
+ for (j = 0; j < TP_INIT_PER_CLUSTER; j++) {
+ type = init_type(cluster, j);
+ if (type) {
+ if (TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC)
+ mask |= 1 << count;
+ count++;
+ }
+ }
+ i++;
+ } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC);
+
+ return mask;
+}
+
+int fsl_qoriq_core_to_cluster(unsigned int core)
+{
+ ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ int i = 0, count = 0;
+ u32 cluster;
+
+ do {
+ int j;
+ cluster = in_be32(&gur->tp_cluster[i].lower);
+ for (j = 0; j < TP_INIT_PER_CLUSTER; j++) {
+ if (init_type(cluster, j)) {
+ if (count == core)
+ return i;
+ count++;
+ }
+ }
+ i++;
+ } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC);
+
+ return -1; /* cannot identify the cluster */
+}
+
+#else /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
+/*
+ * Before chassis genenration 2, the cpumask should be hard-coded.
+ * In case of cpu type unknown or cpumask unset, use 1 as fail save.
+ */
+#define compute_ppc_cpumask() 1
+#define fsl_qoriq_core_to_cluster(x) x
+#endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
+
+static struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 0);
struct cpu_type *identify_cpu(u32 ver)
{
/*
* Return a 32-bit mask indicating which cores are present on this SOC.
*/
-u32 cpu_mask()
+u32 cpu_mask(void)
{
ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR;
- struct cpu_type *cpu = gd->cpu;
+ struct cpu_type *cpu = gd->arch.cpu;
/* better to query feature reporting register than just assume 1 */
if (cpu == &cpu_type_unknown)
return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >>
MPC8xxx_PICFRR_NCPU_SHIFT) + 1;
+ if (cpu->num_cores == 0)
+ return compute_ppc_cpumask();
+
return cpu->mask;
}
/*
* Return the number of cores on this SOC.
*/
-int cpu_numcores() {
- ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR;
- struct cpu_type *cpu = gd->cpu;
+int cpu_numcores(void)
+{
+ struct cpu_type *cpu = gd->arch.cpu;
- /* better to query feature reporting register than just assume 1 */
- if (cpu == &cpu_type_unknown)
- return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >>
- MPC8xxx_PICFRR_NCPU_SHIFT) + 1;
+ /*
+ * Report # of cores in terms of the cpu_mask if we haven't
+ * figured out how many there are yet
+ */
+ if (cpu->num_cores == 0)
+ return hweight32(cpu_mask());
return cpu->num_cores;
}
*/
int is_core_valid(unsigned int core)
{
- struct cpu_type *cpu = gd->cpu;
-
- return !!((1 << core) & cpu->mask);
+ return !!((1 << core) & cpu_mask());
}
int probecpu (void)
svr = get_svr();
ver = SVR_SOC_VER(svr);
- gd->cpu = identify_cpu(ver);
+ gd->arch.cpu = identify_cpu(ver);
+
+ return 0;
+}
+
+/* Once in memory, compute mask & # cores once and save them off */
+int fixup_cpu(void)
+{
+ struct cpu_type *cpu = gd->arch.cpu;
+
+ if (cpu->num_cores == 0) {
+ cpu->mask = cpu_mask();
+ cpu->num_cores = cpu_numcores();
+ }
return 0;
}
projects / karo-tx-uboot.git / blobdiff