From e9be4292e4f32bcdfb88c19407da281e36447498 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sat, 14 Dec 2013 05:55:28 +0100 Subject: ARM: mx6: Add PCI express driver Add PCIe driver for the Freescale i.MX6 SoC . This driver operates the PCIe block in RC mode only, the EP mode is NOT supported. The driver is tested with the Intel e1000 NIC driver. Signed-off-by: Marek Vasut Cc: Albert Aribaud Cc: Eric Nelson Cc: Fabio Estevam Cc: Stefano Babic --- arch/arm/include/asm/arch-mx6/iomux.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'arch/arm/include/asm/arch-mx6') diff --git a/arch/arm/include/asm/arch-mx6/iomux.h b/arch/arm/include/asm/arch-mx6/iomux.h index fe4675e0b7..f9ee0d9839 100644 --- a/arch/arm/include/asm/arch-mx6/iomux.h +++ b/arch/arm/include/asm/arch-mx6/iomux.h @@ -15,6 +15,33 @@ #define IOMUXC_GPR1_OTG_ID_ENET_RX_ERR (0<<13) #define IOMUXC_GPR1_OTG_ID_GPIO1 (1<<13) #define IOMUXC_GPR1_OTG_ID_MASK (1<<13) +#define IOMUXC_GPR1_REF_SSP_EN (1 << 16) +#define IOMUXC_GPR1_TEST_POWERDOWN (1 << 18) + +/* + * IOMUXC_GPR8 bit fields + */ +#define IOMUXC_GPR8_PCS_TX_DEEMPH_GEN1_MASK (0x3f << 0) +#define IOMUXC_GPR8_PCS_TX_DEEMPH_GEN1_OFFSET 0 +#define IOMUXC_GPR8_PCS_TX_DEEMPH_GEN2_3P5DB_MASK (0x3f << 6) +#define IOMUXC_GPR8_PCS_TX_DEEMPH_GEN2_3P5DB_OFFSET 6 +#define IOMUXC_GPR8_PCS_TX_DEEMPH_GEN2_6DB_MASK (0x3f << 12) +#define IOMUXC_GPR8_PCS_TX_DEEMPH_GEN2_6DB_OFFSET 12 +#define IOMUXC_GPR8_PCS_TX_SWING_FULL_MASK (0x7f << 18) +#define IOMUXC_GPR8_PCS_TX_SWING_FULL_OFFSET 18 +#define IOMUXC_GPR8_PCS_TX_SWING_LOW_MASK (0x7f << 25) +#define IOMUXC_GPR8_PCS_TX_SWING_LOW_OFFSET 25 + +/* + * IOMUXC_GPR12 bit fields + */ +#define IOMUXC_GPR12_LOS_LEVEL_9 (0x9 << 4) +#define IOMUXC_GPR12_LOS_LEVEL_MASK (0x1f << 4) +#define IOMUXC_GPR12_APPS_LTSSM_ENABLE (1 << 10) +#define IOMUXC_GPR12_DEVICE_TYPE_EP (0x0 << 12) +#define IOMUXC_GPR12_DEVICE_TYPE_RC (0x2 << 12) +#define IOMUXC_GPR12_DEVICE_TYPE_MASK (0xf << 12) + /* * IOMUXC_GPR13 bit fields */ -- cgit