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| Started by | Russell King - ARM Linux <linux@arm.linux.org.uk> |
|---|---|
| First post | 2015-09-17 12:40 +0200 |
| Last post | 2015-09-18 17:50 +0200 |
| Articles | 3 — 3 participants |
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Re: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-17 12:40 +0200
RE: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig Huan Wang <alison.wang@freescale.com> - 2015-09-18 09:40 +0200
Re: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig Fabio Estevam <festevam@gmail.com> - 2015-09-18 17:50 +0200
| From | Russell King - ARM Linux <linux@arm.linux.org.uk> |
|---|---|
| Date | 2015-09-17 12:40 +0200 |
| Subject | Re: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig |
| Message-ID | <q9ELE-TQ-19@gated-at.bofh.it> |
On Thu, Sep 17, 2015 at 05:03:34PM +0800, Alison Wang wrote: > Add Freescale LS1021A initial defconfig file. > The LS1021A SoC is a dual-core Cortex-A7 based processor. > > LS1021A has some special configurations against imx_v6_v7_defconfig and > multi_v7_defconfig, such as CONFIG_ARM_LPAE, CONFIG_ARM_PSCI... > LPAE needs to be supported to access memory beyond the 4GB limit for > LS1021A. PSCI needs to be supported for LS1021A too. But CONFIG_ARM_LPAE > and CONFIG_ARM_PSCI are disabled in imx_v6_v7_defconfig and > multi_v7_defconfig, so a separate LS1021A defconfig is needed. Sounds like a need for multi_v7_lpae_defconfig rather than creating a new load of platform specific defconfigs. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Huan Wang <alison.wang@freescale.com> |
|---|---|
| Date | 2015-09-18 09:40 +0200 |
| Message-ID | <q9YqZ-4pF-5@gated-at.bofh.it> |
| In reply to | #1226896 |
> On Thu, Sep 17, 2015 at 05:03:34PM +0800, Alison Wang wrote: > > Add Freescale LS1021A initial defconfig file. > > The LS1021A SoC is a dual-core Cortex-A7 based processor. > > > > LS1021A has some special configurations against imx_v6_v7_defconfig > > and multi_v7_defconfig, such as CONFIG_ARM_LPAE, CONFIG_ARM_PSCI... > > LPAE needs to be supported to access memory beyond the 4GB limit for > > LS1021A. PSCI needs to be supported for LS1021A too. But > > CONFIG_ARM_LPAE and CONFIG_ARM_PSCI are disabled in > > imx_v6_v7_defconfig and multi_v7_defconfig, so a separate LS1021A > defconfig is needed. > > Sounds like a need for multi_v7_lpae_defconfig rather than creating a > new load of platform specific defconfigs. > [Alison Wang] Thanks for your reply. I agreed with you about creating a new multi_v7_lpae_defconfig. In multi_v7_lpae_defconfig, I need to add the following CONFIG_XX to support LS1021A based on multi_v7_defconfig. CONFIG_ARM_LPAE=y CONFIG_VMSPLIT_2G=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=256000 CONFIG_GIANFAR=y CONFIG_REALTEK_PHY=y CONFIG_I2C_IMX=y CONFIG_SPI_FSL_DSPI=y CONFIG_IMX2_WDT=y CONFIG_REGULATOR_DEBUG=y CONFIG_REGULATOR_VIRTUAL_CONSUMER=y CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_SOC=y CONFIG_SND_SOC_FSL_SAI=y CONFIG_SND_SOC_SGTL5000=y CONFIG_SND_SIMPLE_CARD=y CONFIG_FSL_EDMA=y CONFIG_CLK_QORIQ=y What's your suggestion? If it's ok, I will send a patch about multi_v7_lpae_defconfig. Best Regards, Alison Wang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Fabio Estevam <festevam@gmail.com> |
|---|---|
| Date | 2015-09-18 17:50 +0200 |
| Message-ID | <qa65c-6Ux-25@gated-at.bofh.it> |
| In reply to | #1227617 |
On Fri, Sep 18, 2015 at 4:38 AM, Huan Wang <alison.wang@freescale.com> wrote: > [Alison Wang] Thanks for your reply. I agreed with you about creating > a new multi_v7_lpae_defconfig. In multi_v7_lpae_defconfig, I need to add > the following CONFIG_XX to support LS1021A based on multi_v7_defconfig. > > CONFIG_ARM_LPAE=y > CONFIG_VMSPLIT_2G=y Is CONFIG_VMSPLIT_2G=y really needed? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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