Message ID | 1516185790-21784-9-git-send-email-rajesh.bhagat@nxp.com |
---|---|
State | Accepted |
Commit | 75ad48153f29d54359a47bc06be6a64fbecead56 |
Delegated to: | York Sun |
Headers | show
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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR03MB2702 Cc: priyanka.jain@nxp.com Subject: [U-Boot] [PATCH v8 08/11] ls1088a: ddr: configure DDR for 0.9v for VID support X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion <u-boot.lists.denx.de> List-Unsubscribe: <https://lists.denx.de/options/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=unsubscribe> List-Archive: <http://lists.denx.de/pipermail/u-boot/> List-Post: <mailto:u-boot@lists.denx.de> List-Help: <mailto:u-boot-request@lists.denx.de?subject=help> List-Subscribe: <https://lists.denx.de/listinfo/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=subscribe> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> |
Series |
Add VID support for QDS and RDB platforms
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expand
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diff --git a/board/freescale/ls1088a/ddr.c b/board/freescale/ls1088a/ddr.c index e24bfd5..2240454 100644 --- a/board/freescale/ls1088a/ddr.c +++ b/board/freescale/ls1088a/ddr.c @@ -13,6 +13,23 @@ DECLARE_GLOBAL_DATA_PTR; +#if defined(CONFIG_VID) && (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)) +static void fsl_ddr_setup_0v9_volt(memctl_options_t *popts) +{ + int vdd; + + vdd = get_core_volt_from_fuse(); + /* Nothing to do for silicons doesn't support VID */ + if (vdd < 0) + return; + + if (vdd == 900) { + popts->ddr_cdr1 |= DDR_CDR1_V0PT9_EN; + debug("VID: configure DDR to support 900 mV\n"); + } +} +#endif + void fsl_ddr_board_options(memctl_options_t *popts, dimm_params_t *pdimm, unsigned int ctrl_num) @@ -87,6 +104,10 @@ found: popts->addr_hash = 1; popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_60ohm); +#if defined(CONFIG_VID) && (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)) + fsl_ddr_setup_0v9_volt(popts); +#endif + popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_60ohm) | DDR_CDR2_VREF_TRAIN_EN | DDR_CDR2_VREF_RANGE_2; }