[PATCH v1 5/7] apalis-imx8: add implementation for board_mem_get_layout

[Igor Opaniuk]

From: Igor Opaniuk <igor.opaniuk at toradex.com>

Add implementation of board_mem_get_layout for overriding the memory
layout.

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

 board/toradex/apalis-imx8/apalis-imx8.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/board/toradex/apalis-imx8/apalis-imx8.c b/board/toradex/apalis-imx8/apalis-imx8.c
index 9263b0f51f..2ed66261d2 100644
--- a/board/toradex/apalis-imx8/apalis-imx8.c
+++ b/board/toradex/apalis-imx8/apalis-imx8.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_quadplus = 0, val = 0;
+	sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val);
+
+	if (scierr == SC_ERR_NONE) {
+		/* QP has one A72 core disabled */
+		is_quadplus = ((val >> 4) & 0x3) != 0x0;
+	}
+
+	*phys_sdram_1_start = PHYS_SDRAM_1;
+	*phys_sdram_1_size = PHYS_SDRAM_1_SIZE;
+	*phys_sdram_2_start = PHYS_SDRAM_2;
+	if (is_quadplus)
+		/* Our QP based SKUs only have 2 GB RAM (PHYS_SDRAM_1_SIZE) */
+		*phys_sdram_2_size = 0x0UL;
+	else
+		*phys_sdram_2_size = PHYS_SDRAM_2_SIZE;
+}
+
 int board_early_init_f(void)
 {
 	sc_pm_clock_rate_t rate = SC_80MHZ;
-- 
2.17.1