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Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/srio.c')
-rw-r--r--arch/powerpc/cpu/mpc8xxx/srio.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/srio.c b/arch/powerpc/cpu/mpc8xxx/srio.c
index e46d32806..c7f394972 100644
--- a/arch/powerpc/cpu/mpc8xxx/srio.c
+++ b/arch/powerpc/cpu/mpc8xxx/srio.c
@@ -21,6 +21,16 @@
#include <config.h>
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
+#include <asm/fsl_srio.h>
+
+#define SRIO_PORT_ACCEPT_ALL 0x10000001
+#define SRIO_IB_ATMU_AR 0x80f55000
+#define SRIO_OB_ATMU_AR_MAINT 0x80077000
+#define SRIO_OB_ATMU_AR_RW 0x80045000
+#define SRIO_LCSBA1CSR_OFFSET 0x5c
+#define SRIO_MAINT_WIN_SIZE 0x1000000 /* 16M */
+#define SRIO_RW_WIN_SIZE 0x100000 /* 1M */
+#define SRIO_LCSBA1CSR 0x60000000
#if defined(CONFIG_FSL_CORENET)
#define _DEVDISR_SRIO1 FSL_CORENET_DEVDISR_SRIO1
@@ -84,3 +94,203 @@ void srio_init(void)
setbits_be32(&gur->devdisr, _DEVDISR_RMU);
}
}
+
+#ifdef CONFIG_SRIOBOOT_MASTER
+void srio_boot_master(void)
+{
+ struct ccsr_rio *srio = (void *)CONFIG_SYS_FSL_SRIO_ADDR;
+
+ /* set port accept-all */
+ out_be32((void *)&srio->impl.port[CONFIG_SRIOBOOT_MASTER_PORT].ptaacr,
+ SRIO_PORT_ACCEPT_ALL);
+
+ debug("SRIOBOOT - MASTER: Master port [ %d ] for srio boot.\n",
+ CONFIG_SRIOBOOT_MASTER_PORT);
+ /* configure inbound window for slave's u-boot image */
+ debug("SRIOBOOT - MASTER: Inbound window for slave's image; "
+ "Local = 0x%llx, Srio = 0x%llx, Size = 0x%x\n",
+ (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS1,
+ (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS1,
+ CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[0].riwtar,
+ CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS1 >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[0].riwbar,
+ CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS1 >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[0].riwar,
+ SRIO_IB_ATMU_AR
+ | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE));
+
+ /* configure inbound window for slave's u-boot image */
+ debug("SRIOBOOT - MASTER: Inbound window for slave's image; "
+ "Local = 0x%llx, Srio = 0x%llx, Size = 0x%x\n",
+ (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS2,
+ (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS2,
+ CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[1].riwtar,
+ CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS2 >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[1].riwbar,
+ CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS2 >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[1].riwar,
+ SRIO_IB_ATMU_AR
+ | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE));
+
+ /* configure inbound window for slave's ucode */
+ debug("SRIOBOOT - MASTER: Inbound window for slave's ucode; "
+ "Local = 0x%llx, Srio = 0x%llx, Size = 0x%x\n",
+ (u64)CONFIG_SRIOBOOT_SLAVE_UCODE_LAW_PHYS,
+ (u64)CONFIG_SRIOBOOT_SLAVE_UCODE_SRIO_PHYS,
+ CONFIG_SRIOBOOT_SLAVE_UCODE_SIZE);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[2].riwtar,
+ CONFIG_SRIOBOOT_SLAVE_UCODE_LAW_PHYS >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[2].riwbar,
+ CONFIG_SRIOBOOT_SLAVE_UCODE_SRIO_PHYS >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[2].riwar,
+ SRIO_IB_ATMU_AR
+ | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_UCODE_SIZE));
+
+ /* configure inbound window for slave's ENV */
+ debug("SRIOBOOT - MASTER: Inbound window for slave's ENV; "
+ "Local = 0x%llx, Siro = 0x%llx, Size = 0x%x\n",
+ CONFIG_SRIOBOOT_SLAVE_ENV_LAW_PHYS,
+ CONFIG_SRIOBOOT_SLAVE_ENV_SRIO_PHYS,
+ CONFIG_SRIOBOOT_SLAVE_ENV_SIZE);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwtar,
+ CONFIG_SRIOBOOT_SLAVE_ENV_LAW_PHYS >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwbar,
+ CONFIG_SRIOBOOT_SLAVE_ENV_SRIO_PHYS >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwar,
+ SRIO_IB_ATMU_AR
+ | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_ENV_SIZE));
+}
+
+#ifdef CONFIG_SRIOBOOT_SLAVE_HOLDOFF
+void srio_boot_master_release_slave(void)
+{
+ struct ccsr_rio *srio = (void *)CONFIG_SYS_FSL_SRIO_ADDR;
+ u32 escsr;
+ debug("SRIOBOOT - MASTER: "
+ "Check the port status and release slave core ...\n");
+
+ escsr = in_be32((void *)&srio->lp_serial
+ .port[CONFIG_SRIOBOOT_MASTER_PORT].pescsr);
+ if (escsr & 0x2) {
+ if (escsr & 0x10100) {
+ debug("SRIOBOOT - MASTER: Port [ %d ] is error.\n",
+ CONFIG_SRIOBOOT_MASTER_PORT);
+ } else {
+ debug("SRIOBOOT - MASTER: "
+ "Port [ %d ] is ready, now release slave's core ...\n",
+ CONFIG_SRIOBOOT_MASTER_PORT);
+ /*
+ * configure outbound window
+ * with maintenance attribute to set slave's LCSBA1CSR
+ */
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[1].rowtar, 0);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[1].rowtear, 0);
+ if (CONFIG_SRIOBOOT_MASTER_PORT)
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[1].rowbar,
+ CONFIG_SYS_SRIO2_MEM_PHYS >> 12);
+ else
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[1].rowbar,
+ CONFIG_SYS_SRIO1_MEM_PHYS >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[1].rowar,
+ SRIO_OB_ATMU_AR_MAINT
+ | atmu_size_mask(SRIO_MAINT_WIN_SIZE));
+
+ /*
+ * configure outbound window
+ * with R/W attribute to set slave's BRR
+ */
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[2].rowtar,
+ SRIO_LCSBA1CSR >> 9);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[2].rowtear, 0);
+ if (CONFIG_SRIOBOOT_MASTER_PORT)
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[2].rowbar,
+ (CONFIG_SYS_SRIO2_MEM_PHYS
+ + SRIO_MAINT_WIN_SIZE) >> 12);
+ else
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[2].rowbar,
+ (CONFIG_SYS_SRIO1_MEM_PHYS
+ + SRIO_MAINT_WIN_SIZE) >> 12);
+ out_be32((void *)&srio->atmu
+ .port[CONFIG_SRIOBOOT_MASTER_PORT]
+ .outbw[2].rowar,
+ SRIO_OB_ATMU_AR_RW
+ | atmu_size_mask(SRIO_RW_WIN_SIZE));
+
+ /*
+ * Set the LCSBA1CSR register in slave
+ * by the maint-outbound window
+ */
+ if (CONFIG_SRIOBOOT_MASTER_PORT) {
+ out_be32((void *)CONFIG_SYS_SRIO2_MEM_VIRT
+ + SRIO_LCSBA1CSR_OFFSET,
+ SRIO_LCSBA1CSR);
+ while (in_be32((void *)CONFIG_SYS_SRIO2_MEM_VIRT
+ + SRIO_LCSBA1CSR_OFFSET)
+ != SRIO_LCSBA1CSR)
+ ;
+ /*
+ * And then set the BRR register
+ * to release slave core
+ */
+ out_be32((void *)CONFIG_SYS_SRIO2_MEM_VIRT
+ + SRIO_MAINT_WIN_SIZE
+ + CONFIG_SRIOBOOT_SLAVE_BRR_OFFSET,
+ CONFIG_SRIOBOOT_SLAVE_RELEASE_MASK);
+ } else {
+ out_be32((void *)CONFIG_SYS_SRIO1_MEM_VIRT
+ + SRIO_LCSBA1CSR_OFFSET,
+ SRIO_LCSBA1CSR);
+ while (in_be32((void *)CONFIG_SYS_SRIO1_MEM_VIRT
+ + SRIO_LCSBA1CSR_OFFSET)
+ != SRIO_LCSBA1CSR)
+ ;
+ /*
+ * And then set the BRR register
+ * to release slave core
+ */
+ out_be32((void *)CONFIG_SYS_SRIO1_MEM_VIRT
+ + SRIO_MAINT_WIN_SIZE
+ + CONFIG_SRIOBOOT_SLAVE_BRR_OFFSET,
+ CONFIG_SRIOBOOT_SLAVE_RELEASE_MASK);
+ }
+ debug("SRIOBOOT - MASTER: "
+ "Release slave successfully! Now the slave should start up!\n");
+ }
+ } else
+ debug("SRIOBOOT - MASTER: Port [ %d ] is not ready.\n",
+ CONFIG_SRIOBOOT_MASTER_PORT);
+}
+#endif
+#endif
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