diff mbox series

[v1,6/7] apalis-imx8x: add implementation for board_mem_get_layout

Message ID 20201022082143.21170-7-igor.opaniuk@gmail.com
State Accepted
Commit 5d39967dcfcea5ff5d07c32b92e224c873f63155
Delegated to: Stefano Babic
Headers show
Series toradex: add support for Apalis iMX8X WB IT V1.1 module | expand

Commit Message

Igor Opaniuk Oct. 22, 2020, 8:21 a.m. UTC 
From: Igor Opaniuk <igor.opaniuk@toradex.com>

Add implementation of board_mem_get_layout for overriding the memory
layout.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
---

 board/toradex/apalis-imx8x/apalis-imx8x.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

Stefano Babic Dec. 8, 2020, 7:58 a.m. UTC | #1 
> From: Igor Opaniuk <igor.opaniuk@toradex.com>
> Add implementation of board_mem_get_layout for overriding the memory
> layout.
> Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic
diff mbox series

Patch

diff --git a/board/toradex/apalis-imx8x/apalis-imx8x.c b/board/toradex/apalis-imx8x/apalis-imx8x.c
index 9f00f26cfe..739d2e5155 100644
--- a/board/toradex/apalis-imx8x/apalis-imx8x.c
+++ b/board/toradex/apalis-imx8x/apalis-imx8x.c
@@ -37,6 +37,29 @@  static void setup_iomux_uart(void)
 	imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
 }
 
+void board_mem_get_layout(u64 *phys_sdram_1_start,
+			  u64 *phys_sdram_1_size,
+			  u64 *phys_sdram_2_start,
+			  u64 *phys_sdram_2_size)
+{
+	u32 is_dualx = 0, val = 0;
+	sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val);
+
+	if (scierr == SC_ERR_NONE) {
+		/* DX has two A35 cores disabled */
+		is_dualx = (val & 0xf) != 0x0;
+	}
+
+	*phys_sdram_1_start = PHYS_SDRAM_1;
+	if (is_dualx)
+		/* Our DX based SKUs only have 1 GB RAM */
+		*phys_sdram_1_size = SZ_1G;
+	else
+		*phys_sdram_1_size = PHYS_SDRAM_1_SIZE;
+	*phys_sdram_2_start = PHYS_SDRAM_2;
+	*phys_sdram_2_size = PHYS_SDRAM_2_SIZE;
+}
+
 int board_early_init_f(void)
 {
 	sc_pm_clock_rate_t rate;