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| author | Oleksij Rempel <linux@rempel-privat.de> | 2013-06-19 11:11:33 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-06-21 09:33:19 +0200 |
| commit | e6acb3f4b2d0e9ec5ac50f3f1f4c6173dddd39a0 (patch) | |
| tree | bf18db01dd39d7b05b7eb2e49e6dae6c7c34c981 /arch/mips/boards/netgear-wg102/include | |
| parent | 094177c64cc3059024b9e1cb3d9b58202981a9be (diff) | |
| download | barebox-e6acb3f4b2d0e9ec5ac50f3f1f4c6173dddd39a0.tar.gz barebox-e6acb3f4b2d0e9ec5ac50f3f1f4c6173dddd39a0.tar.xz | |
netgear-wg102: pbl, add extra check for mem config
if E0 flag is not set, sdram is defenetly not configured.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips/boards/netgear-wg102/include')
| -rw-r--r-- | arch/mips/boards/netgear-wg102/include/board/board_pbl_start.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/boards/netgear-wg102/include/board/board_pbl_start.h b/arch/mips/boards/netgear-wg102/include/board/board_pbl_start.h index 4deae069dc..d74d2c27af 100644 --- a/arch/mips/boards/netgear-wg102/include/board/board_pbl_start.h +++ b/arch/mips/boards/netgear-wg102/include/board/board_pbl_start.h @@ -18,6 +18,7 @@ #include <asm/pbl_macros.h> #include <mach/pbl_macros.h> +#include <mach/ar2312_regs.h> #include <mach/debug_ll.h> @@ -40,10 +41,17 @@ /* check if SDRAM is already configured, * if yes, we are probably starting * as second stage loader and can skip configuration */ + la t0, KSEG1 | AR2312_MEM_CFG1 + lw t1, 0(t0) + and t0, t1, MEM_CFG1_E0 + beq zero, t0, 1f + nop + pbl_probe_mem t0, t1, KSEG1 beq t0, t1, sdram_configured nop +1: /* start SDRAM configuration */ pbl_ar2312_x16_sdram |