From e919aa23ef473649fc1ba1694da13a15835d74f1 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Sun, 23 Mar 2014 22:45:41 +0100
Subject: [PATCH] ARM: mx6: Add PCIe on SabreSDP
Add support for PCIe on MX6 SabreSDP board and enable the support
in the config file.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Liu Ying <Ying.Liu@freescale.com>
---
board/freescale/mx6sabresd/mx6sabresd.c | 11 +++++++++++
include/configs/mx6sabresd.h | 10 ++++++++++
2 files changed, 21 insertions(+)
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 12d8c5664e..d7d932eeb8 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -135,6 +135,16 @@ static void setup_spi(void)
imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
}
+iomux_v3_cfg_t const pcie_pads[] = {
+ MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */
+ MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */
+};
+
+static void setup_pcie(void)
+{
+ imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
+}
+
iomux_v3_cfg_t const di0_pads[] = {
MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* DISP0_CLK */
MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* DISP0_HSYNC */
@@ -454,6 +464,7 @@ int overwrite_console(void)
int board_eth_init(bd_t *bis)
{
setup_iomux_enet();
+ setup_pcie();
return cpu_eth_init(bis);
}
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 4919f53328..5d02d23ec7 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -48,4 +48,14 @@
#define CONFIG_IPUV3_CLK 260000000
#define CONFIG_IMX_HDMI
+#define CONFIG_CMD_PCI
+#ifdef CONFIG_CMD_PCI
+#define CONFIG_PCI
+#define CONFIG_PCI_PNP
+#define CONFIG_PCI_SCAN_SHOW
+#define CONFIG_PCIE_IMX
+#define CONFIG_PCIE_IMX_PERST_GPIO IMX_GPIO_NR(7, 12)
+#define CONFIG_PCIE_IMX_POWER_GPIO IMX_GPIO_NR(3, 19)
+#endif
+
#endif /* __MX6QSABRESD_CONFIG_H */
--
2.39.5