[PATCH v1 7/7] colibri-imx8x: add implementation for board_mem_get_layout

Igor Opaniuk
2020-10-22T08:21:43Z

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/colibri-imx8x/colibri-imx8x.c | 23 +++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/board/toradex/colibri-imx8x/colibri-imx8x.c b/board/toradex/colibri-imx8x/colibri-imx8x.c
index f981c11a37..da081e30be 100644
--- a/board/toradex/colibri-imx8x/colibri-imx8x.c
+++ b/board/toradex/colibri-imx8x/colibri-imx8x.c
@@ -39,6 +39,29 @@ static void setup_iomux_uart(void)
imx8_iomux_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_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;
--
2.17.1