diff options
| author | Stefan Roese <sr@denx.de> | 2013-12-04 09:27:34 +0100 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-12-12 14:54:21 -0500 |
| commit | a9f524904730a0f722483938bf7eb8baedbc2448 (patch) | |
| tree | 42b8670b3b529104f667f07b443bd2fb1ead86f3 /board | |
| parent | 550e3756c52ae1c93df2a5528ab5ff6d69c7dcdc (diff) | |
| download | u-boot-imx-a9f524904730a0f722483938bf7eb8baedbc2448.zip u-boot-imx-a9f524904730a0f722483938bf7eb8baedbc2448.tar.gz u-boot-imx-a9f524904730a0f722483938bf7eb8baedbc2448.tar.bz2 | |
arm: omap3: Add SPL support to tao3530
Add SPL support for the Technexion TAO3530 SOM to replace
x-loader. Tested with the Thunder baseboard. Currently this is
only tested with the TAO3530 SOM revision (Ax/Bx).
Tested by booting via MMC and NAND.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Tapani Utriainen <tapani@technexion.com>
Cc: Thorsten Eisbein <thorsten.eisbein@head-acoustics.de>
Cc: Tom Rini <trini@ti.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/technexion/tao3530/tao3530.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/board/technexion/tao3530/tao3530.c b/board/technexion/tao3530/tao3530.c index 0668c25..9268d38 100644 --- a/board/technexion/tao3530/tao3530.c +++ b/board/technexion/tao3530/tao3530.c @@ -67,6 +67,31 @@ out: return ret; } +#ifdef CONFIG_SPL_BUILD +/* + * Routine: get_board_mem_timings + * Description: If we use SPL then there is no x-loader nor config header + * so we have to setup the DDR timings ourself on both banks. + */ +void get_board_mem_timings(struct board_sdrc_timings *timings) +{ + if (tao3530_revision() < 3) { + /* 256MB / Bank */ + timings->mcfg = MCFG(256 << 20, 14); /* RAS-width 14 */ + timings->ctrla = HYNIX_V_ACTIMA_165; + timings->ctrlb = HYNIX_V_ACTIMB_165; + } else { + /* 128MB / Bank */ + timings->mcfg = MCFG(128 << 20, 13); /* RAS-width 13 */ + timings->ctrla = MICRON_V_ACTIMA_165; + timings->ctrlb = MICRON_V_ACTIMB_165; + } + + timings->mr = MICRON_V_MR_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; +} +#endif + /* * Routine: board_init * Description: Early hardware init. @@ -134,7 +159,7 @@ void set_muxconf_regs(void) MUX_TAO3530(); } -#ifdef CONFIG_GENERIC_MMC +#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) int board_mmc_init(bd_t *bis) { omap_mmc_init(0, 0, 0, -1, -1); |