From: Tom Rini <trini@konsulko.com>
To: Manorit Chawdhry <m-chawdhry@ti.com>
Cc: "Andrew F. Davis" <afd@ti.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Kamlesh Gurudasani <kamlesh@ti.com>,
u-boot@lists.denx.de, Praneeth Bajjuri <praneeth@ti.com>,
Neha Malcom Francis <n-francis@ti.com>
Subject: Re: [PATCH v2 2/3] Kconfig: j721s2: Change K3_MCU_SCRATCHPAD_BASE to non firewalled region
Date: Thu, 4 May 2023 20:59:22 -0400 [thread overview]
Message-ID: <20230505005922.GQ2270346@bill-the-cat> (raw)
In-Reply-To: <20230405-j721s2-hs-evm-upstream-v2-2-c0f10a410e07@ti.com>
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On Thu, May 04, 2023 at 11:07:07AM +0530, Manorit Chawdhry wrote:
> On K3 HS-SE devices all the firewalls are locked by default
> until sysfw comes up. Rom configures some of the firewall for its usage
> along with the SRAM for R5 but the PSRAM region is still locked.
>
> The K3 MCU Scratchpad for j721s2 was set to a PSRAM region triggering the
> firewall exception before sysfw came up. The exception started happening
> after adding multi dtb support that accesses the scratchpad for reading
> EEPROM contents.
>
> Old map:
> ┌─────────────────────────────────────┐ 0x41c00000
> │ SPL │
> ├─────────────────────────────────────┤ 0x41c61f20 (approx)
> │ STACK │
> ├─────────────────────────────────────┤ 0x41c65f20
> │ Global data │
> │ sizeof(struct global_data) = 0xd8 │
> ├─────────────────────────────────────┤ gd->malloc_base = 0x41c66000
> │ HEAP │
> │ CONFIG_SYS_MALLOC_F_LEN = 0x10000 │
> ├─────────────────────────────────────┤ CONFIG_SPL_BSS_START_ADDR
> │ SPL BSS │ (0x41c76000)
> │ CONFIG_SPL_BSS_MAX_SIZE = 0xA000 │
> ├─────────────────────────────────────┤ (0x41c80000)
> │ DM DATA │
> ├─────────────────────────────────────┤ (0x41c84130) (approx)
> │ EMPTY │
> └─────────────────────────────────────┘ CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX
> (0x41cffbfc)
>
> New map:
> ┌─────────────────────────────────────┐ 0x41c00000
> │ SPL │
> ├─────────────────────────────────────┤ 0x41c61f20 (approx)
> │ STACK │
> ├─────────────────────────────────────┤ 0x41c65f20
> │ Global data │
> │ sizeof(struct global_data) = 0xd8 │
> ├─────────────────────────────────────┤ gd->malloc_base = 0x41c66000
> │ HEAP │
> │ CONFIG_SYS_MALLOC_F_LEN = 0x10000 │
> ├─────────────────────────────────────┤ CONFIG_SPL_BSS_START_ADDR
> │ SPL BSS │ (0x41c76000)
> │ CONFIG_SPL_BSS_MAX_SIZE = 0xA000 │
> ├─────────────────────────────────────┤ (0x41c80000)
> │ DM DATA │
> ├─────────────────────────────────────┤ (0x41c84130) (approx)
> │ EMPTY │
> ├─────────────────────────────────────┤ SYS_K3_MCU_SCRATCHPAD_BASE
> │ SCRATCHPAD │ (0x41cff9fc)
> │ SYS_K3_MCU_SCRATCHPAD_SIZE = 0x200 │
> └─────────────────────────────────────┘ CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX
> (0x41cffbfc)
>
> Reviewed-by: Kamlesh Gurudasani <kamlesh@ti.com>
> Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
Applied to u-boot/master, thanks!
--
Tom
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next prev parent reply other threads:[~2023-05-05 1:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-04 5:37 [PATCH v2 0/3] J7 merge HS configs Manorit Chawdhry
2023-05-04 5:37 ` [PATCH v2 1/3] configs: j721s2: Merge the HS and non-HS defconfigs Manorit Chawdhry
2023-05-05 0:59 ` Tom Rini
2023-05-04 5:37 ` [PATCH v2 2/3] Kconfig: j721s2: Change K3_MCU_SCRATCHPAD_BASE to non firewalled region Manorit Chawdhry
2023-05-05 0:59 ` Tom Rini [this message]
2023-05-05 13:45 ` Nishanth Menon
2023-05-08 4:51 ` Manorit Chawdhry
2023-05-08 4:57 ` Vignesh Raghavendra
2023-05-08 5:07 ` Manorit Chawdhry
2023-05-04 5:37 ` [PATCH v2 3/3] configs: j7200: Merge the HS and non-HS defconfigs Manorit Chawdhry
2023-05-05 0:59 ` Tom Rini
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