diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2009-09-11 13:41:49 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-09-15 21:30:09 -0500 |
| commit | 0456dbf3475d0aec42873a967ac97ed81f376119 (patch) | |
| tree | 923b3ef458ea152ecc25eb45e2ada90dd8a3956d /cpu | |
| parent | 6e1385d5f8d137e741dfef02465d7dc328040ad7 (diff) | |
| download | blackbird-obmc-uboot-0456dbf3475d0aec42873a967ac97ed81f376119.tar.gz blackbird-obmc-uboot-0456dbf3475d0aec42873a967ac97ed81f376119.zip | |
ppc/85xx: Change cpu_init_early_f so we can use with NAND SPL
Use write_tlb and don't use memset so we can use the same code for
cpu_init_early_f between NAND SPL and not.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc85xx/cpu_init.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index 5f6651182b..07856c2a24 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -1,5 +1,5 @@ /* - * Copyright 2007 Freescale Semiconductor. + * Copyright 2007-2009 Freescale Semiconductor, Inc. * * (C) Copyright 2003 Motorola Inc. * Modified by Xianghua Xiao, X.Xiao@motorola.com @@ -132,15 +132,26 @@ void config_8560_ioports (volatile ccsr_cpm_t * cpm) /* We run cpu_init_early_f in AS = 1 */ void cpu_init_early_f(void) { + u32 mas0, mas1, mas2, mas3, mas7; + int i; + /* Pointer is writable since we allocated a register for it */ gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); - /* Clear initial global data */ - memset ((void *) gd, 0, sizeof (gd_t)); + /* + * Clear initial global data + * we don't use memset so we can share this code with NAND_SPL + */ + for (i = 0; i < sizeof(gd_t); i++) + ((char *)gd)[i] = 0; - set_tlb(0, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 1, 0, BOOKE_PAGESZ_4K, 0); + mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(0); + mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_4K); + mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, MAS2_I|MAS2_G); + mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS, 0, MAS3_SW|MAS3_SR); + mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_PHYS); + + write_tlb(mas0, mas1, mas2, mas3, mas7); /* set up CCSR if we want it moved */ #if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR_PHYS) @@ -149,9 +160,14 @@ void cpu_init_early_f(void) volatile u32 *ccsr_virt = (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000); - set_tlb(0, (u32)ccsr_virt, CONFIG_SYS_CCSRBAR_DEFAULT, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 1, 1, BOOKE_PAGESZ_4K, 0); + mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(1); + /* mas1 is the same as above */ + mas2 = FSL_BOOKE_MAS2((u32)ccsr_virt, MAS2_I|MAS2_G); + mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0, + MAS3_SW|MAS3_SR); + mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_DEFAULT); + + write_tlb(mas0, mas1, mas2, mas3, mas7); temp = in_be32(ccsr_virt); out_be32(ccsr_virt, CONFIG_SYS_CCSRBAR_PHYS >> 12); |
