From: Dai Haruki Dai.Haruki@freescale.com
Fixed MPC8548CDS post-reset freeze
- Add MPC8543,8548_E SVR symbol - Add Reset control register into global utility structure - Fix MPC8548 family post-reset freeze
Signed-off-by: Dai Haruki dai.haruki@freescale.com ---
cpu/mpc85xx/cpu.c | 10 +++++++++- include/asm-ppc/immap_85xx.h | 14 ++++++++------ include/asm-ppc/processor.h | 2 ++ 3 files changed, 19 insertions(+), 7 deletions(-)
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index 0507c47..0277f2c 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -145,7 +145,15 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd * Make sure MSR[DE] = 1 */ unsigned long val; - + unsigned long svr; + + svr = SVR_VER(get_svr()); + svr &= 0xfff3; /* mask SEC flag */ + if ( (svr == SVR_8548) || (svr == SVR_8543) ) { + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile ccsr_gur_t *gur = &immap->im_gur; + gur->rstcr = 0x2; + } val = mfspr(DBCR0); val |= 0x70000000; mtspr(DBCR0,val); diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h index 7a4345a..a16fc5b 100644 --- a/include/asm-ppc/immap_85xx.h +++ b/include/asm-ppc/immap_85xx.h @@ -1574,19 +1574,21 @@ typedef struct ccsr_gur { char res9[12]; uint pvr; /* 0xe00a0 - Processor version register */ uint svr; /* 0xe00a4 - System version register */ - char res10[3416]; + char res10[8]; + uint rstcr; /* 0xe00b0 - Reset control register */ + char res11[3404]; uint clkocr; /* 0xe0e00 - Clock out select register */ - char res11[12]; - uint ddrdllcr; /* 0xe0e10 - DDR DLL control register */ char res12[12]; + uint ddrdllcr; /* 0xe0e10 - DDR DLL control register */ + char res13[12]; uint lbcdllcr; /* 0xe0e20 - LBC DLL control register */ - char res13[248]; + char res14[248]; uint lbiuiplldcr0; /* 0xe0f1c -- LBIU PLL Debug Reg 0 */ uint lbiuiplldcr1; /* 0xe0f20 -- LBIU PLL Debug Reg 1 */ uint ddrioovcr; /* 0xe0f24 - DDR IO Override Control */ - uint res14; /* 0xe0f28 */ + uint res15; /* 0xe0f28 */ uint tsec34ioovcr; /* 0xe0f2c - eTSEC 3/4 IO override control */ - char res15[61651]; + char res16[61651]; } ccsr_gur_t;
#define PORDEVSR_PCI (0x00800000) /* PCI Mode */ diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h index 388dea4..5320fab 100644 --- a/include/asm-ppc/processor.h +++ b/include/asm-ppc/processor.h @@ -827,6 +827,8 @@ #define SVR_8540 0x8030 #define SVR_8560 0x8070 #define SVR_8555 0x8079 #define SVR_8541 0x807A +#define SVR_8543 0x8032 +#define SVR_8543_E 0x803A #define SVR_8548 0x8031 #define SVR_8548_E 0x8039 #define SVR_8641 0x8090 -- 1.4.0