diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/cpu.c | 130 |
1 files changed, 65 insertions, 65 deletions
diff --git a/arch/powerpc/cpu/mpc8xx/cpu.c b/arch/powerpc/cpu/mpc8xx/cpu.c index 2b7c5d4301..0604433e72 100644 --- a/arch/powerpc/cpu/mpc8xx/cpu.c +++ b/arch/powerpc/cpu/mpc8xx/cpu.c @@ -35,70 +35,6 @@ DECLARE_GLOBAL_DATA_PTR; -static int check_CPU(long clock, uint pvr, uint immr) -{ - immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; - uint k; - char buf[32]; - - /* the highest 16 bits should be 0x0050 for a 860 */ - - if (PVR_VER(pvr) != PVR_VER(PVR_8xx)) - return -1; - - k = (immr << 16) | - in_be16(&immap->im_cpm.cp_dparam16[PROFF_REVNUM / sizeof(u16)]); - - /* - * Some boards use sockets so different CPUs can be used. - * We have to check chip version in run time. - */ - switch (k) { - /* MPC866P/MPC866T/MPC859T/MPC859DSL/MPC852T */ - case 0x08010004: /* Rev. A.0 */ - printf("MPC866xxxZPnnA"); - break; - case 0x08000003: /* Rev. 0.3 */ - printf("MPC866xxxZPnn"); - break; - case 0x09000000: /* 870/875/880/885 */ - puts("MPC885ZPnn"); - break; - - default: - printf("unknown MPC86x (0x%08x)", k); - break; - } - - printf(" at %s MHz: ", strmhz(buf, clock)); - - print_size(checkicache(), " I-Cache "); - print_size(checkdcache(), " D-Cache"); - - /* do we have a FEC (860T/P or 852/859/866/885)? */ - - out_be32(&immap->im_cpm.cp_fec.fec_addr_low, 0x12345678); - if (in_be32(&immap->im_cpm.cp_fec.fec_addr_low) == 0x12345678) - printf(" FEC present"); - - putc('\n'); - - return 0; -} - -/* ------------------------------------------------------------------------- */ - -int checkcpu(void) -{ - ulong clock = gd->cpu_clk; - uint immr = get_immr(); /* Return full IMMR contents */ - uint pvr = get_pvr(); - - puts("CPU: "); - - return check_CPU(clock, pvr, immr); -} - /* ------------------------------------------------------------------------- */ /* L1 i-cache */ @@ -143,7 +79,7 @@ int checkicache(void) /* L1 d-cache */ /* call with cache disabled */ -int checkdcache(void) +static int checkdcache(void) { immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; memctl8xx_t __iomem *memctl = &immap->im_memctl; @@ -175,6 +111,70 @@ int checkdcache(void) return lines << 4; }; +static int check_CPU(long clock, uint pvr, uint immr) +{ + immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; + uint k; + char buf[32]; + + /* the highest 16 bits should be 0x0050 for a 860 */ + + if (PVR_VER(pvr) != PVR_VER(PVR_8xx)) + return -1; + + k = (immr << 16) | + in_be16(&immap->im_cpm.cp_dparam16[PROFF_REVNUM / sizeof(u16)]); + + /* + * Some boards use sockets so different CPUs can be used. + * We have to check chip version in run time. + */ + switch (k) { + /* MPC866P/MPC866T/MPC859T/MPC859DSL/MPC852T */ + case 0x08010004: /* Rev. A.0 */ + printf("MPC866xxxZPnnA"); + break; + case 0x08000003: /* Rev. 0.3 */ + printf("MPC866xxxZPnn"); + break; + case 0x09000000: /* 870/875/880/885 */ + puts("MPC885ZPnn"); + break; + + default: + printf("unknown MPC86x (0x%08x)", k); + break; + } + + printf(" at %s MHz: ", strmhz(buf, clock)); + + print_size(checkicache(), " I-Cache "); + print_size(checkdcache(), " D-Cache"); + + /* do we have a FEC (860T/P or 852/859/866/885)? */ + + out_be32(&immap->im_cpm.cp_fec.fec_addr_low, 0x12345678); + if (in_be32(&immap->im_cpm.cp_fec.fec_addr_low) == 0x12345678) + printf(" FEC present"); + + putc('\n'); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +int checkcpu(void) +{ + ulong clock = gd->cpu_clk; + uint immr = get_immr(); /* Return full IMMR contents */ + uint pvr = get_pvr(); + + puts("CPU: "); + + return check_CPU(clock, pvr, immr); +} + /* ------------------------------------------------------------------------- */ void upmconfig(uint upm, uint *table, uint size) |