diff options
| author | Haiying Wang <Haiying.Wang@freescale.com> | 2011-02-07 16:14:15 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-04-04 09:24:41 -0500 |
| commit | a7b1e1b706a78f9208cb4128be9692e97f58e5ac (patch) | |
| tree | 6265dd4d45b2262830360e4cbc91264b8a3f88f2 /arch/powerpc/cpu/mpc85xx | |
| parent | 0b3b1766b78331dfd109f2c5f816dcdd65055eb6 (diff) | |
| download | blackbird-obmc-uboot-a7b1e1b706a78f9208cb4128be9692e97f58e5ac.tar.gz blackbird-obmc-uboot-a7b1e1b706a78f9208cb4128be9692e97f58e5ac.zip | |
powerpc/85xx: load ucode from nand flash before qe_init
In the case the QE's microcode is stored in nand flash, we need to load it from
NAND flash to ddr first then the qe_init can get the ucode correctly.
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu_init.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c index 215b7b3808..5642cd7b05 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c @@ -37,6 +37,10 @@ #include <asm/fsl_law.h> #include <asm/fsl_serdes.h> #include "mp.h" +#ifdef CONFIG_SYS_QE_FW_IN_NAND +#include <nand.h> +#include <errno.h> +#endif DECLARE_GLOBAL_DATA_PTR; @@ -448,6 +452,19 @@ void cpu_secondary_init_r(void) { #ifdef CONFIG_QE uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */ +#ifdef CONFIG_SYS_QE_FW_IN_NAND + int ret; + size_t fw_length = CONFIG_SYS_QE_FW_LENGTH; + + /* load QE firmware from NAND flash to DDR first */ + ret = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_QE_FW_IN_NAND, + &fw_length, (u_char *)CONFIG_SYS_QE_FW_ADDR); + + if (ret && ret == -EUCLEAN) { + printf ("NAND read for QE firmware at offset %x failed %d\n", + CONFIG_SYS_QE_FW_IN_NAND, ret); + } +#endif qe_init(qe_base); qe_reset(); #endif |
