[PATCH 6/6] powerpc: add 82xx platform level support to SEC engine

[Li Yang]

Initialize base and size of SEC memory region and bus priority for SEC.

Signed-off-by: Li Yang <[EMAIL PROTECTED]>
---
 arch/powerpc/include/asm/immap_cpm2.h     |    7 +++++--
 arch/powerpc/platforms/82xx/mpc8272_ads.c |    1 +
 arch/powerpc/platforms/82xx/pq2.c         |   19 +++++++++++++++++++
 arch/powerpc/platforms/82xx/pq2.h         |    1 +
 4 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/immap_cpm2.h 
b/arch/powerpc/include/asm/immap_cpm2.h
index d4f069b..71de9d0 100644
--- a/arch/powerpc/include/asm/immap_cpm2.h
+++ b/arch/powerpc/include/asm/immap_cpm2.h
@@ -115,10 +115,13 @@ typedef struct    mem_ctlr {
        u32     memc_immr;
        u32     memc_pcibr0;
        u32     memc_pcibr1;
-       u8      res10[16];
+       u32     secbr;
+       u8      res10[4];
+       u32     secmr;
+       u8      res11[4];
        u32     memc_pcimsk0;
        u32     memc_pcimsk1;
-       u8      res11[52];
+       u8      res12[52];
 } memctl_cpm2_t;
 
 /* System Integration Timers.
diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c 
b/arch/powerpc/platforms/82xx/mpc8272_ads.c
index 69781e6..a98d97c 100644
--- a/arch/powerpc/platforms/82xx/mpc8272_ads.c
+++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c
@@ -179,6 +179,7 @@ static void __init mpc8272_ads_setup_arch(void)
 
        init_ioports();
        pq2_init_pci();
+       pq2_init_sec();
 
        if (ppc_md.progress)
                ppc_md.progress("mpc8272_ads_setup_arch(), finish", 0);
diff --git a/arch/powerpc/platforms/82xx/pq2.c 
b/arch/powerpc/platforms/82xx/pq2.c
index 1b75902..bacb136 100644
--- a/arch/powerpc/platforms/82xx/pq2.c
+++ b/arch/powerpc/platforms/82xx/pq2.c
@@ -22,6 +22,8 @@
 #include <platforms/82xx/pq2.h>
 
 #define RMR_CSRE 0x00000001
+#define PQ2_SECMR_128K 0xfffe0000
+#define PQ2_ALRH_SEC 0x30126745
 
 void pq2_restart(char *cmd)
 {
@@ -35,6 +37,23 @@ void pq2_restart(char *cmd)
        panic("Restart failed\n");
 }
 
+void __init pq2_init_sec(void)
+{
+       struct device_node *np = NULL;
+       struct resource res;
+
+       np = of_find_compatible_node(NULL, NULL, "fsl,talitos");
+       if (!np)
+               return;
+
+       of_address_to_resource(np, 0, &res);
+       printk(KERN_INFO "Setting SECBR and SECMR\n");
+       out_be32(&cpm2_immr->im_memctl.secbr, (u32)res.start);
+       out_be32(&cpm2_immr->im_memctl.secmr, PQ2_SECMR_128K);
+       out_be32(&cpm2_immr->im_siu_conf.siu_82xx.sc_ppc_alrh, PQ2_ALRH_SEC);
+       of_node_put(np);
+}
+
 #ifdef CONFIG_PCI
 static int pq2_pci_exclude_device(struct pci_controller *hose,
                                   u_char bus, u8 devfn)
diff --git a/arch/powerpc/platforms/82xx/pq2.h 
b/arch/powerpc/platforms/82xx/pq2.h
index a41f84a..98d3c3c 100644
--- a/arch/powerpc/platforms/82xx/pq2.h
+++ b/arch/powerpc/platforms/82xx/pq2.h
@@ -2,6 +2,7 @@
 #define _PQ2_H
 
 void pq2_restart(char *cmd);
+void pq2_init_sec(void);
 
 #ifdef CONFIG_PCI
 int pq2ads_pci_init_irq(void);
-- 
1.5.5.1.248.g4b17

_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-dev