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-rw-r--r--arch/powerpc/cpu/mpc8xxx/cpu.c281
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diff --git a/arch/powerpc/cpu/mpc8xxx/cpu.c b/arch/powerpc/cpu/mpc8xxx/cpu.c
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+++ b/arch/powerpc/cpu/mpc8xxx/cpu.c
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+/*
+ * Copyright 2009-2012 Freescale Semiconductor, Inc.
+ *
+ * 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
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <tsec.h>
+#include <fm_eth.h>
+#include <netdev.h>
+#include <asm/cache.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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(8536, 8536, 1),
+ CPU_TYPE_ENTRY(8540, 8540, 1),
+ CPU_TYPE_ENTRY(8541, 8541, 1),
+ CPU_TYPE_ENTRY(8543, 8543, 1),
+ CPU_TYPE_ENTRY(8544, 8544, 1),
+ CPU_TYPE_ENTRY(8545, 8545, 1),
+ CPU_TYPE_ENTRY(8547, 8547, 1),
+ CPU_TYPE_ENTRY(8548, 8548, 1),
+ CPU_TYPE_ENTRY(8555, 8555, 1),
+ CPU_TYPE_ENTRY(8560, 8560, 1),
+ CPU_TYPE_ENTRY(8567, 8567, 1),
+ CPU_TYPE_ENTRY(8568, 8568, 1),
+ CPU_TYPE_ENTRY(8569, 8569, 1),
+ CPU_TYPE_ENTRY(8572, 8572, 2),
+ CPU_TYPE_ENTRY(P1010, P1010, 1),
+ CPU_TYPE_ENTRY(P1011, P1011, 1),
+ CPU_TYPE_ENTRY(P1012, P1012, 1),
+ CPU_TYPE_ENTRY(P1013, P1013, 1),
+ CPU_TYPE_ENTRY(P1014, P1014, 1),
+ CPU_TYPE_ENTRY(P1017, P1017, 1),
+ CPU_TYPE_ENTRY(P1020, P1020, 2),
+ CPU_TYPE_ENTRY(P1021, P1021, 2),
+ CPU_TYPE_ENTRY(P1022, P1022, 2),
+ CPU_TYPE_ENTRY(P1023, P1023, 2),
+ CPU_TYPE_ENTRY(P1024, P1024, 2),
+ CPU_TYPE_ENTRY(P1025, P1025, 2),
+ CPU_TYPE_ENTRY(P2010, P2010, 1),
+ CPU_TYPE_ENTRY(P2020, P2020, 2),
+ CPU_TYPE_ENTRY(P2040, P2040, 4),
+ CPU_TYPE_ENTRY(P2041, P2041, 4),
+ CPU_TYPE_ENTRY(P3041, P3041, 4),
+ 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),
+#elif defined(CONFIG_MPC86xx)
+ CPU_TYPE_ENTRY(8610, 8610, 1),
+ CPU_TYPE_ENTRY(8641, 8641, 2),
+ CPU_TYPE_ENTRY(8641D, 8641D, 2),
+#endif
+};
+
+#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)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++) {
+ if (cpu_type_list[i].soc_ver == ver)
+ return &cpu_type_list[i];
+ }
+ return &cpu_type_unknown;
+}
+
+#define MPC8xxx_PICFRR_NCPU_MASK 0x00001f00
+#define MPC8xxx_PICFRR_NCPU_SHIFT 8
+
+/*
+ * Return a 32-bit mask indicating which cores are present on this SOC.
+ */
+u32 cpu_mask(void)
+{
+ ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR;
+ 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(void)
+{
+ struct cpu_type *cpu = gd->arch.cpu;
+
+ /*
+ * 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;
+}
+
+/*
+ * Check if the given core ID is valid
+ *
+ * Returns zero if it isn't, 1 if it is.
+ */
+int is_core_valid(unsigned int core)
+{
+ return !!((1 << core) & cpu_mask());
+}
+
+int probecpu (void)
+{
+ uint svr;
+ uint ver;
+
+ svr = get_svr();
+ ver = SVR_SOC_VER(svr);
+
+ 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;
+}
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_ETHER_ON_FCC)
+ fec_initialize(bis);
+#endif
+
+#if defined(CONFIG_UEC_ETH)
+ uec_standard_init(bis);
+#endif
+
+#if defined(CONFIG_TSEC_ENET) || defined(CONFIG_MPC85XX_FEC)
+ tsec_standard_init(bis);
+#endif
+
+#ifdef CONFIG_FMAN_ENET
+ fm_standard_init(bis);
+#endif
+ return 0;
+}
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