[PATCH 6/6] powerpc: add 82xx platform level support to SEC engine
flat view
STALE6657d
From: Li Yang <hidden>
Date: 2008-08-06 06:50:12
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Initialize base and size of SEC memory region and bus priority for SEC. Signed-off-by: Li Yang <redacted> --- 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);
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1.5.5.1.248.g4b17