/*
* (c) 2010 STMicroelectronics Limited
*
* Author: Pawel Moll <pawel.moll@st.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ethtool.h>
#include <linux/dma-mapping.h>
#include <linux/phy.h>
#include <linux/stm/miphy.h>
#include <linux/stm/pad.h>
#include <linux/stm/sysconf.h>
#include <linux/stm/device.h>
#include <linux/stm/stx7141.h>
#include <linux/delay.h>
#include <asm/irq-ilc.h>
/* Ethernet MAC resources ------------------------------------------------- */
static struct stm_pad_config *stx7141_ethernet_pad_configs[] = {
[0] = (struct stm_pad_config []) {
[stx7141_ethernet_mode_mii] = {
.gpios_num = 20,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_IN(8, 0, -1), /* TXCLK */
STM_PAD_PIO_OUT(8, 1, 1), /* TXEN */
STM_PAD_PIO_OUT(8, 2, 1), /* TXERR */
STM_PAD_PIO_OUT(8, 3, 1), /* TXD.0 */
STM_PAD_PIO_OUT(8, 4, 1), /* TXD.1 */
STM_PAD_PIO_OUT(8, 5, 1), /* TXD.2 */
STM_PAD_PIO_OUT(8, 6, 1), /* TXD.3 */
STM_PAD_PIO_IN(9, 3, -1), /* RXCLK */
STM_PAD_PIO_IN(9, 4, -1), /* RXDV */
STM_PAD_PIO_IN(9, 5, -1), /* RXERR */
STM_PAD_PIO_IN(9, 6, -1), /* RXD.0 */
STM_PAD_PIO_IN(9, 7, -1), /* RXD.1 */
STM_PAD_PIO_IN(10, 0, -1), /* RXD.2 */
STM_PAD_PIO_IN(10, 1, -1), /* RXD.3 */
STM_PAD_PIO_IN(10, 6, -1), /* CRS */
STM_PAD_PIO_IN(10, 7, -1), /* COL */
STM_PAD_PIO_OUT(11, 0, 1), /* MDC */
STM_PAD_PIO_BIDIR(11, 1, 1), /* MDIO */
STM_PAD_PIO_IN(11, 2, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(11, 3, 1, "PHYCLK"),
},
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII0_CLOCK_OUT:
* 0 = PIO11.3 is controlled by PIO muxing,
* 1 = PIO11.3 is delayed version of PIO8.0
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 13, 13, 1),
/* ETHERNET_INTERFACE_ON0 */
STM_PAD_SYS_CFG(7, 16, 16, 1),
/* PHY_INTF_SEL0: 0 = GMII/MII */
STM_PAD_SYS_CFG(7, 24, 26, 0),
/* ENMII0: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 27, 27, 1),
},
},
[stx7141_ethernet_mode_gmii] = {
.gpios_num = 28,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_IN(8, 0, -1), /* TXCLK */
STM_PAD_PIO_OUT(8, 1, 1), /* TXEN */
STM_PAD_PIO_OUT(8, 2, 1), /* TXERR */
STM_PAD_PIO_OUT(8, 3, 1), /* TXD.0 */
STM_PAD_PIO_OUT(8, 4, 1), /* TXD.1 */
STM_PAD_PIO_OUT(8, 5, 1), /* TXD.2 */
STM_PAD_PIO_OUT(8, 6, 1), /* TXD.3 */
STM_PAD_PIO_OUT(8, 7, 1), /* TXD.4 */
STM_PAD_PIO_OUT(9, 0, 1), /* TXD.5 */
STM_PAD_PIO_OUT(9, 1, 1), /* TXD.6 */
STM_PAD_PIO_OUT(9, 2, 1), /* TXD.7 */
STM_PAD_PIO_IN(9, 3, -1), /* RXCLK */
STM_PAD_PIO_IN(9, 4, -1), /* RXDV */
STM_PAD_PIO_IN(9, 5, -1), /* RXERR */
STM_PAD_PIO_IN(9, 6, -1), /* RXD.0 */
STM_PAD_PIO_IN(9, 7, -1), /* RXD.1 */
STM_PAD_PIO_IN(10, 0, -1), /* RXD.2 */
STM_PAD_PIO_IN(10, 1, -1), /* RXD.3 */
STM_PAD_PIO_IN(10, 2, -1), /* RXD.4 */
STM_PAD_PIO_IN(10, 3, -1), /* RXD.5 */
STM_PAD_PIO_IN(10, 4, -1), /* RXD.6 */
STM_PAD_PIO_IN(10, 5, -1), /* RXD.7 */
STM_PAD_PIO_IN(10, 6, -1), /* CRS */
STM_PAD_PIO_IN(10, 7, -1), /* COL */
STM_PAD_PIO_OUT(11, 0, 1), /* MDC */
STM_PAD_PIO_BIDIR(11, 1, 1), /* MDIO */
STM_PAD_PIO_IN(11, 2, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(11, 3, 1, "PHYCLK"),
},
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII0_CLOCK_OUT:
* 0 = PIO11.3 is controlled by PIO muxing,
* 1 = PIO11.3 is delayed version of PIO8.0
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 13, 13, 1),
/* ETHERNET_INTERFACE_ON0 */
STM_PAD_SYS_CFG(7, 16, 16, 1),
/* PHY_INTF_SEL0: 0 = GMII/MII */
STM_PAD_SYS_CFG(7, 24, 26, 0),
/* ENMII0: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 27, 27, 1),
},
},
[stx7141_ethernet_mode_rgmii] = { /* TODO */ },
[stx7141_ethernet_mode_sgmii] = { /* TODO */ },
[stx7141_ethernet_mode_rmii] = {
.gpios_num = 12,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_OUT(8, 1, 1), /* TXEN */
STM_PAD_PIO_OUT(8, 2, 1), /* TXERR */
STM_PAD_PIO_OUT(8, 3, 1), /* TXD.0 */
STM_PAD_PIO_OUT(8, 4, 1), /* TXD.1 */
STM_PAD_PIO_IN(9, 4, -1), /* RXDV */
STM_PAD_PIO_IN(9, 5, -1), /* RXERR */
STM_PAD_PIO_IN(9, 6, -1), /* RXD.0 */
STM_PAD_PIO_IN(9, 7, -1), /* RXD.1 */
STM_PAD_PIO_OUT(11, 0, 1), /* MDC */
STM_PAD_PIO_BIDIR(11, 1, 1), /* MDIO */
STM_PAD_PIO_IN(11, 2, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(11, 3, 1, "PHYCLK"),
},
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII0_CLOCK_OUT:
* 0 = PIO11.3 is controlled by PIO muxing,
* 1 = PIO11.3 is delayed version of PIO8.0
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 13, 13, 1),
/* ETHERNET_INTERFACE_ON0 */
STM_PAD_SYS_CFG(7, 16, 16, 1),
/* PHY_INTF_SEL0: 4 = RMII */
STM_PAD_SYS_CFG(7, 24, 26, 4),
/* ENMII0: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 27, 27, 1),
},
},
[stx7141_ethernet_mode_reverse_mii] = {
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII0_CLOCK_OUT:
* 0 = PIO11.3 is controlled by PIO muxing,
* 1 = PIO11.3 is delayed version of PIO8.0
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 13, 13, 1),
/* ETHERNET_INTERFACE_ON0 */
STM_PAD_SYS_CFG(7, 16, 16, 1),
/* PHY_INTF_SEL0: 0 = GMII/MII */
STM_PAD_SYS_CFG(7, 24, 26, 0),
/* ENMII0: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 27, 27, 0),
},
.gpios_num = 20,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_IN(8, 0, -1), /* TXCLK */
STM_PAD_PIO_OUT(8, 1, 1), /* TXEN */
STM_PAD_PIO_OUT(8, 2, 1), /* TXERR */
STM_PAD_PIO_OUT(8, 3, 1), /* TXD.0 */
STM_PAD_PIO_OUT(8, 4, 1), /* TXD.1 */
STM_PAD_PIO_OUT(8, 5, 1), /* TXD.2 */
STM_PAD_PIO_OUT(8, 6, 1), /* TXD.3 */
STM_PAD_PIO_IN(9, 3, -1), /* RXCLK */
STM_PAD_PIO_IN(9, 4, -1), /* RXDV */
STM_PAD_PIO_IN(9, 5, -1), /* RXERR */
STM_PAD_PIO_IN(9, 6, -1), /* RXD.0 */
STM_PAD_PIO_IN(9, 7, -1), /* RXD.1 */
STM_PAD_PIO_IN(10, 0, -1), /* RXD.2 */
STM_PAD_PIO_IN(10, 1, -1), /* RXD.3 */
STM_PAD_PIO_IN(10, 6, -1), /* CRS */
STM_PAD_PIO_IN(10, 7, -1), /* COL */
STM_PAD_PIO_OUT(11, 0, 1), /* MDC */
STM_PAD_PIO_BIDIR(11, 1, 1), /* MDIO */
STM_PAD_PIO_IN(11, 2, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(11, 3, 1, "PHYCLK"),
},
},
},
[1] = (struct stm_pad_config []) {
[stx7141_ethernet_mode_mii] = {
.gpios_num = 20,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_IN(11, 4, -1), /* TXCLK */
STM_PAD_PIO_OUT(11, 5, 1), /* TXEN */
STM_PAD_PIO_OUT(11, 6, 1), /* TXERR */
STM_PAD_PIO_OUT(11, 7, 1), /* TXD.0 */
STM_PAD_PIO_OUT(12, 0, 1), /* TXD.1 */
STM_PAD_PIO_OUT(12, 1, 1), /* TXD.2 */
STM_PAD_PIO_OUT(12, 2, 1), /* TXD.3 */
STM_PAD_PIO_IN(12, 7, -1), /* RXCLK */
STM_PAD_PIO_IN(13, 0, -1), /* RXDV */
STM_PAD_PIO_IN(13, 1, -1), /* RXERR */
STM_PAD_PIO_IN(13, 2, -1), /* RXD.0 */
STM_PAD_PIO_IN(13, 3, -1), /* RXD.1 */
STM_PAD_PIO_IN(13, 4, -1), /* RXD.2 */
STM_PAD_PIO_IN(13, 5, -1), /* RXD.3 */
STM_PAD_PIO_IN(14, 2, -1), /* CRS */
STM_PAD_PIO_IN(14, 3, -1), /* COL */
STM_PAD_PIO_OUT(14, 4, 1), /* MDC */
STM_PAD_PIO_BIDIR(14, 5, 1), /* MDIO */
STM_PAD_PIO_IN(14, 6, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(14, 7, 1, "PHYCLK"),
},
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII1_CLOCK_OUT:
* 0 = PIO14.7 is controlled by PIO muxing,
* 1 = PIO14.7 is delayed version of PIO11.4
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 15, 15, 1),
/* ETHERNET_INTERFACE_ON1 */
STM_PAD_SYS_CFG(7, 17, 17, 1),
/* PHY_INTF_SEL1: 0 = GMII/MII */
STM_PAD_SYS_CFG(7, 28, 30, 0),
/* ENMII1: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 31, 31, 1),
},
},
[stx7141_ethernet_mode_gmii] = {
.gpios_num = 28,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_IN(11, 4, -1), /* TXCLK */
STM_PAD_PIO_OUT(11, 5, 1), /* TXEN */
STM_PAD_PIO_OUT(11, 6, 1), /* TXERR */
STM_PAD_PIO_OUT(11, 7, 1), /* TXD.0 */
STM_PAD_PIO_OUT(12, 0, 1), /* TXD.1 */
STM_PAD_PIO_OUT(12, 1, 1), /* TXD.2 */
STM_PAD_PIO_OUT(12, 2, 1), /* TXD.3 */
STM_PAD_PIO_OUT(12, 3, 1), /* TXD.4 */
STM_PAD_PIO_OUT(12, 4, 1), /* TXD.5 */
STM_PAD_PIO_OUT(12, 5, 1), /* TXD.6 */
STM_PAD_PIO_OUT(12, 6, 1), /* TXD.7 */
STM_PAD_PIO_IN(12, 7, -1), /* RXCLK */
STM_PAD_PIO_IN(13, 0, -1), /* RXDV */
STM_PAD_PIO_IN(13, 1, -1), /* RXERR */
STM_PAD_PIO_IN(13, 2, -1), /* RXD.0 */
STM_PAD_PIO_IN(13, 3, -1), /* RXD.1 */
STM_PAD_PIO_IN(13, 4, -1), /* RXD.2 */
STM_PAD_PIO_IN(13, 5, -1), /* RXD.3 */
STM_PAD_PIO_IN(13, 6, -1), /* RXD.4 */
STM_PAD_PIO_IN(13, 7, -1), /* RXD.5 */
STM_PAD_PIO_IN(14, 0, -1), /* RXD.6 */
STM_PAD_PIO_IN(14, 1, -1), /* RXD.7 */
STM_PAD_PIO_IN(14, 2, -1), /* CRS */
STM_PAD_PIO_IN(14, 3, -1), /* COL */
STM_PAD_PIO_OUT(14, 4, 1), /* MDC */
STM_PAD_PIO_BIDIR(14, 5, 1), /* MDIO */
STM_PAD_PIO_IN(14, 6, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(14, 7, 1, "PHYCLK"),
},
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII1_CLOCK_OUT:
* 0 = PIO14.7 is controlled by PIO muxing,
* 1 = PIO14.7 is delayed version of PIO11.4
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 15, 15, 1),
/* ETHERNET_INTERFACE_ON1 */
STM_PAD_SYS_CFG(7, 17, 17, 1),
/* PHY_INTF_SEL1: 0 = GMII/MII */
STM_PAD_SYS_CFG(7, 28, 30, 0),
/* ENMII1: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 31, 31, 1),
},
},
[stx7141_ethernet_mode_rgmii] = { /* TODO */ },
[stx7141_ethernet_mode_sgmii] = { /* TODO */ },
[stx7141_ethernet_mode_rmii] = {
.gpios_num = 12,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_OUT(11, 5, 1), /* TXEN */
STM_PAD_PIO_OUT(11, 6, 1), /* TXERR */
STM_PAD_PIO_OUT(11, 7, 1), /* TXD.0 */
STM_PAD_PIO_OUT(12, 0, 1), /* TXD.1 */
STM_PAD_PIO_IN(13, 0, -1), /* RXDV */
STM_PAD_PIO_IN(13, 1, -1), /* RXERR */
STM_PAD_PIO_IN(13, 2, -1), /* RXD.0 */
STM_PAD_PIO_IN(13, 3, -1), /* RXD.1 */
STM_PAD_PIO_OUT(14, 4, 1), /* MDC */
STM_PAD_PIO_BIDIR(14, 5, 1), /* MDIO */
STM_PAD_PIO_IN(14, 6, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(14, 7, 1, "PHYCLK"),
},
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII1_CLOCK_OUT:
* 0 = PIO14.7 is controlled by PIO muxing,
* 1 = PIO14.7 is delayed version of PIO11.4
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 15, 15, 1),
/* ETHERNET_INTERFACE_ON1 */
STM_PAD_SYS_CFG(7, 17, 17, 1),
/* PHY_INTF_SEL1: 0 = GMII/MII */
STM_PAD_SYS_CFG(7, 28, 30, 0),
/* ENMII1: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 31, 31, 1),
},
},
[stx7141_ethernet_mode_reverse_mii] = {
.gpios_num = 20,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_IN(11, 4, -1), /* TXCLK */
STM_PAD_PIO_OUT(11, 5, 1), /* TXEN */
STM_PAD_PIO_OUT(11, 6, 1), /* TXERR */
STM_PAD_PIO_OUT(11, 7, 1), /* TXD.0 */
STM_PAD_PIO_OUT(12, 0, 1), /* TXD.1 */
STM_PAD_PIO_OUT(12, 1, 1), /* TXD.2 */
STM_PAD_PIO_OUT(12, 2, 1), /* TXD.3 */
STM_PAD_PIO_IN(12, 7, -1), /* RXCLK */
STM_PAD_PIO_IN(13, 0, -1), /* RXDV */
STM_PAD_PIO_IN(13, 1, -1), /* RXERR */
STM_PAD_PIO_IN(13, 2, -1), /* RXD.0 */
STM_PAD_PIO_IN(13, 3, -1), /* RXD.1 */
STM_PAD_PIO_IN(13, 4, -1), /* RXD.2 */
STM_PAD_PIO_IN(13, 5, -1), /* RXD.3 */
STM_PAD_PIO_IN(14, 2, -1), /* CRS */
STM_PAD_PIO_IN(14, 3, -1), /* COL */
STM_PAD_PIO_OUT(14, 4, 1), /* MDC */
STM_PAD_PIO_BIDIR(14, 5, 1), /* MDIO */
STM_PAD_PIO_IN(14, 6, -1), /* MDINT */
STM_PAD_PIO_OUT_NAMED(14, 7, 1, "PHYCLK"),
},
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* CONF_GMII1_CLOCK_OUT:
* 0 = PIO14.7 is controlled by PIO muxing,
* 1 = PIO14.7 is delayed version of PIO11.4
* (ETHGMII0_TXCLK) */
STM_PAD_SYS_CFG(7, 15, 15, 1),
/* ETHERNET_INTERFACE_ON1 */
STM_PAD_SYS_CFG(7, 17, 17, 1),
/* PHY_INTF_SEL1: 0 = GMII/MII */
STM_PAD_SYS_CFG(7, 28, 30, 0),
/* ENMII1: 0 = reverse MII, 1 = MII mode */
STM_PAD_SYS_CFG(7, 31, 31, 0),
},
},
},
};
static void stx7141_ethernet_fix_mac_speed(void *bsp_priv, unsigned int speed)
{
struct sysconf_field *mac_speed_sel = bsp_priv;
sysconf_write(mac_speed_sel, (speed == SPEED_100) ? 1 : 0);
}
/*
* Cut 2 of 7141 has AHB wrapper bug for ethernet gmac.
* Need to disable read-ahead - performance impact
*/
#define GMAC_AHB_CONFIG 0x7000
#define GMAC_AHB_CONFIG_READ_AHEAD_MASK 0xFFCFFFFF
static void stx7141_ethernet_bus_setup(void __iomem *ioaddr)
{
u32 value = readl(ioaddr + GMAC_AHB_CONFIG);
value &= GMAC_AHB_CONFIG_READ_AHEAD_MASK;
writel(value, ioaddr + GMAC_AHB_CONFIG);
}
static struct plat_stmmacenet_data stx7141_ethernet_platform_data[] = {
[0] = {
.pbl = 32,
.has_gmac = 1,
.enh_desc = 1,
.tx_coe = 1,
.bugged_jumbo =1,
.pmt = 1,
.fix_mac_speed = stx7141_ethernet_fix_mac_speed,
.init = &stmmac_claim_resource,
},
[1] = {
.pbl = 32,
.has_gmac = 1,
.enh_desc = 1,
.tx_coe = 1,
.bugged_jumbo =1,
.pmt = 1,
.fix_mac_speed = stx7141_ethernet_fix_mac_speed,
.init = &stmmac_claim_resource,
},
};
static struct platform_device stx7141_ethernet_devices[] = {
[0] = {
.name = "stmmaceth",
.id = 0,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd110000, 0x8000),
STM_PLAT_RESOURCE_IRQ_NAMED("macirq", ILC_IRQ(40), -1),
},
.dev.platform_data = &stx7141_ethernet_platform_data[0],
},
[1] = {
.name = "stmmaceth",
.id = 1,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd118000, 0x8000),
STM_PLAT_RESOURCE_IRQ_NAMED("macirq", ILC_IRQ(47), -1),
},
.dev.platform_data = &stx7141_ethernet_platform_data[1],
},
};
void __init stx7141_configure_ethernet(int port,
struct stx7141_ethernet_config *config)
{
static int configured[ARRAY_SIZE(stx7141_ethernet_devices)];
struct stx7141_ethernet_config default_config;
struct stm_pad_config *pad_config;
const int interfaces[] = {
[stx7141_ethernet_mode_mii] = PHY_INTERFACE_MODE_MII,
[stx7141_ethernet_mode_gmii] = PHY_INTERFACE_MODE_GMII,
[stx7141_ethernet_mode_rgmii] = PHY_INTERFACE_MODE_RGMII,
[stx7141_ethernet_mode_sgmii] = PHY_INTERFACE_MODE_SGMII,
[stx7141_ethernet_mode_rmii] = PHY_INTERFACE_MODE_RMII,
[stx7141_ethernet_mode_reverse_mii] = PHY_INTERFACE_MODE_MII,
};
BUG_ON(port < 0 || port >= ARRAY_SIZE(stx7141_ethernet_devices));
BUG_ON(configured[port]);
configured[port] = 1;
if (!config)
config = &default_config;
/* TODO: RGMII and SGMII configurations */
BUG_ON(config->mode == stx7141_ethernet_mode_rgmii);
BUG_ON(config->mode == stx7141_ethernet_mode_sgmii);
pad_config = &stx7141_ethernet_pad_configs[port][config->mode];
/* TODO: ext_clk configuration */
stx7141_ethernet_platform_data[port].custom_cfg = (void *) pad_config;
stx7141_ethernet_platform_data[port].interface =
interfaces[config->mode];
stx7141_ethernet_platform_data[port].bus_id = config->phy_bus;
stx7141_ethernet_platform_data[port].phy_addr = config->phy_addr;
stx7141_ethernet_platform_data[port].mdio_bus_data =
config->mdio_bus_data;
/* mac_speed */
stx7141_ethernet_platform_data[port].bsp_priv = sysconf_claim(SYS_CFG,
7, 20 + port, 20 + port, "stmmac");
if (cpu_data->cut_major == 2)
stx7141_ethernet_platform_data[port].bus_setup =
stx7141_ethernet_bus_setup;
platform_device_register(&stx7141_ethernet_devices[port]);
}
/* USB resources ---------------------------------------------------------- */
static u64 stx7141_usb_dma_mask = DMA_BIT_MASK(32);
static int stx7141_usb_enable(struct stm_pad_state *state, void *priv);
static void stx7141_usb_disable(struct stm_pad_state *state, void *priv);
#define USB_PWR "USB_PWR"
#define USB_ACK "USB_ACK"
#define USB_ENABLE "USB_ENABLE"
static void stx7141_usb_power(struct stm_device_state *device_state,
enum stm_device_power_state power)
{
int i;
int value = (power == stm_device_power_on) ? 0 : 1;
int enable_value = (power == stm_device_power_on) ? 1 : 0;
if (stm_device_get_config(device_state)->sysconfs_num > 2)
stm_device_sysconf_write(device_state, USB_ENABLE,
enable_value);
stm_device_sysconf_write(device_state, USB_PWR, value);
for (i = 5; i; --i) {
if (stm_device_sysconf_read(device_state, USB_ACK)
== value)
break;
mdelay(10);
}
}
static struct stm_plat_usb_data stx7141_usb_platform_data[] = {
[0] = { /* USB 2.0 port */
.flags = STM_PLAT_USB_FLAGS_STRAP_16BIT |
STM_PLAT_USB_FLAGS_STRAP_PLL |
STM_PLAT_USB_FLAGS_STBUS_CONFIG_THRESHOLD256,
.device_config = &(struct stm_device_config){
/* pad_config done in stx7141_configure_usb() */
.sysconfs_num = 3,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYS_CFG(32, 7, 7, USB_PWR),
STM_DEVICE_SYS_STA(15, 7, 7, USB_ACK),
STM_DEVICE_SYS_CFG(4, 1, 1, USB_ENABLE),
},
.power = stx7141_usb_power,
},
},
[1] = { /* USB 2.0 port */
.flags = STM_PLAT_USB_FLAGS_STRAP_16BIT |
STM_PLAT_USB_FLAGS_STRAP_PLL |
STM_PLAT_USB_FLAGS_STBUS_CONFIG_THRESHOLD256,
.device_config = &(struct stm_device_config){
/* pad_config done in stx7141_configure_usb() */
.sysconfs_num = 3,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYS_CFG(32, 8, 8, USB_PWR),
STM_DEVICE_SYS_STA(15, 8, 8, USB_ACK),
STM_DEVICE_SYS_CFG(4, 14, 14, USB_ENABLE),
},
.power = stx7141_usb_power,
},
},
[2] = { /* USB 1.1 port */
.flags = STM_PLAT_USB_FLAGS_OPC_MSGSIZE_CHUNKSIZE,
.device_config = &(struct stm_device_config){
/* pad_config done in stx7141_configure_usb() */
.sysconfs_num = 3,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYS_CFG(32, 9, 9, USB_PWR),
STM_DEVICE_SYS_STA(15, 9, 9, USB_ACK),
STM_DEVICE_SYS_CFG(4, 8, 8, USB_ENABLE),
},
.power = stx7141_usb_power,
},
},
[3] = { /* USB 1.1 port */
.flags = STM_PLAT_USB_FLAGS_OPC_MSGSIZE_CHUNKSIZE,
.device_config = &(struct stm_device_config){
/* pad_config done in stx7141_configure_usb() */
.sysconfs_num = 3,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYS_CFG(32, 10, 10, USB_PWR),
STM_DEVICE_SYS_STA(15, 10, 10, USB_ACK),
STM_DEVICE_SYS_CFG(4, 13, 13, USB_ENABLE),
},
.power = stx7141_usb_power,
},
},
};
static struct platform_device stx7141_usb_devices[] = {
[0] = {
.name = "stm-usb",
.id = 0,
.dev = {
.dma_mask = &stx7141_usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &stx7141_usb_platform_data[0],
},
.num_resources = 6,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM_NAMED("ehci", 0xfe1ffe00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ehci", ILC_IRQ(93), -1),
STM_PLAT_RESOURCE_MEM_NAMED("ohci", 0xfe1ffc00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ohci", ILC_IRQ(94), -1),
STM_PLAT_RESOURCE_MEM_NAMED("wrapper", 0xfe100000,
0x100),
STM_PLAT_RESOURCE_MEM_NAMED("protocol", 0xfe1fff00,
0x100),
},
},
[1] = {
.name = "stm-usb",
.id = 1,
.dev = {
.dma_mask = &stx7141_usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &stx7141_usb_platform_data[1],
},
.num_resources = 6,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM_NAMED("ehci", 0xfeaffe00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ehci", ILC_IRQ(95), -1),
STM_PLAT_RESOURCE_MEM_NAMED("ohci", 0xfeaffc00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ohci", ILC_IRQ(96), -1),
STM_PLAT_RESOURCE_MEM_NAMED("wrapper", 0xfea00000,
0x100),
STM_PLAT_RESOURCE_MEM_NAMED("protocol", 0xfeafff00,
0x100),
},
},
[2] = {
.name = "stm-usb",
.id = 2,
.dev = {
.dma_mask = &stx7141_usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &stx7141_usb_platform_data[2],
},
.num_resources = 4,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM_NAMED("ohci", 0xfebffc00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ohci", ILC_IRQ(97), -1),
STM_PLAT_RESOURCE_MEM_NAMED("wrapper", 0xfeb00000,
0x100),
STM_PLAT_RESOURCE_MEM_NAMED("protocol", 0xfebfff00,
0x100),
},
},
[3] = {
.name = "stm-usb",
.id = 3,
.dev = {
.dma_mask = &stx7141_usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &stx7141_usb_platform_data[3],
},
.num_resources = 4,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM_NAMED("ohci", 0xfecffc00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ohci", ILC_IRQ(98), -1),
STM_PLAT_RESOURCE_MEM_NAMED("wrapper", 0xfec00000,
0x100),
STM_PLAT_RESOURCE_MEM_NAMED("protocol", 0xfecfff00,
0x100),
},
},
};
static DEFINE_SPINLOCK(stx7141_usb_spin_lock);
static struct sysconf_field *stx7141_usb_phy_clock_sc;
static struct sysconf_field *stx7141_usb_clock_sc;
static struct sysconf_field *stx7141_usb_pll_sc;
enum stx7141_usb_ports {
stx7141_usb_2_ports = 0,
stx7141_usb_11_ports = 1,
};
static int stx7141_usb_enabled_ports[2];
static struct sysconf_field *stx7141_usb_oc_enable_sc[2];
static struct sysconf_field *stx7141_usb_oc_invert_sc[2];
static struct sysconf_field *stx7141_usb_enable_sc[4];
static struct sysconf_field *stx7141_usb_pwr_req_sc[4];
static struct sysconf_field *stx7141_usb_pwr_ack_sc[4];
/* stx7141_configure_usb() must ensure the pairs of ports are the same */
static enum stx7141_usb_overcur_mode stx7141_usb_overcur_mode[4];
static int stx7141_usb_enable(struct stm_pad_state *state, void *priv)
{
int port = (int)priv;
enum stx7141_usb_ports port_group = port >> 1;
spin_lock(&stx7141_usb_spin_lock);
/*
* The USB clock management is moved in the clock-stx7141.c file
* like any other clock
*/
/* State shared by two ports */
if ((stx7141_usb_enabled_ports[port_group] == 0) &&
(cpu_data->cut_major >= 2)) {
const struct {
unsigned char enable, invert;
} oc_mode[2][3] = {
{
/* USB 2 ports, internally active low oc */
[stx7141_usb_ovrcur_disabled] = { 0, 0 },
[stx7141_usb_ovrcur_active_high] = { 1, 1 },
[stx7141_usb_ovrcur_active_low] = { 1, 0 },
}, {
/* USB 1.1 ports, internally active high oc */
[stx7141_usb_ovrcur_disabled] = { 0, 0 },
[stx7141_usb_ovrcur_active_high] = { 1, 0 },
[stx7141_usb_ovrcur_active_low] = { 1, 1 },
}
};
enum stx7141_usb_overcur_mode mode =
stx7141_usb_overcur_mode[port];
stx7141_usb_oc_enable_sc[port_group] =
sysconf_claim(SYS_CFG, 4, 12 - port_group,
12 - port_group, "USB");
stx7141_usb_oc_invert_sc[port_group] =
sysconf_claim(SYS_CFG, 4, 7 - port_group,
7 - port_group, "USB");
sysconf_write(stx7141_usb_oc_enable_sc[port_group],
oc_mode[port_group][mode].enable);
sysconf_write(stx7141_usb_oc_invert_sc[port_group],
oc_mode[port_group][mode].invert);
}
stx7141_usb_enabled_ports[port_group]++;
spin_unlock(&stx7141_usb_spin_lock);
return 0;
}
static void stx7141_usb_disable(struct stm_pad_state *state, void *priv)
{
int port = (int)priv;
enum stx7141_usb_ports port_group = (port < 2) ?
stx7141_usb_2_ports : stx7141_usb_11_ports;
spin_lock(&stx7141_usb_spin_lock);
/* Power down USB */
sysconf_write(stx7141_usb_pwr_req_sc[port], 1);
sysconf_release(stx7141_usb_pwr_req_sc[port]);
sysconf_release(stx7141_usb_pwr_ack_sc[port]);
/* Put USB into reset */
if (cpu_data->cut_major >= 2) {
sysconf_write(stx7141_usb_enable_sc[port], 0);
sysconf_release(stx7141_usb_enable_sc[port]);
}
/* State shared by two ports */
if ((stx7141_usb_enabled_ports[port_group] == 1) &&
(cpu_data->cut_major >= 2)) {
sysconf_release(stx7141_usb_oc_invert_sc[port_group]);
sysconf_release(stx7141_usb_oc_enable_sc[port_group]);
}
/* USB 1.1 clock source */
if ((port_group == stx7141_usb_11_ports) &&
(stx7141_usb_enabled_ports[stx7141_usb_11_ports] == 1))
sysconf_release(stx7141_usb_clock_sc);
/* State shared by all four ports */
if ((stx7141_usb_enabled_ports[stx7141_usb_2_ports] +
stx7141_usb_enabled_ports[stx7141_usb_11_ports]) == 0) {
sysconf_release(stx7141_usb_phy_clock_sc);
if (cpu_data->cut_major >= 2)
sysconf_release(stx7141_usb_pll_sc);
}
spin_unlock(&stx7141_usb_spin_lock);
}
void __init stx7141_configure_usb(int port, struct stx7141_usb_config *config)
{
static int configured[ARRAY_SIZE(stx7141_usb_devices)];
struct stm_pad_config *pad_config;
struct sysconf_field *sc;
BUG_ON(port < 0 || port > ARRAY_SIZE(stx7141_usb_devices));
BUG_ON(configured[port]);
/* USB edge rise and DC shift - STLinux Bugzilla 10991 */
sc = sysconf_claim(SYS_CFG, 7, 0+(port<<1), 1+(port<<1), "USB");
sysconf_write(sc, 2);
/* USB over current configuration is complicated.
* Cut 1 had hardwired configuration: USB 2 ports active low,
* USB 1.1 ports active high.
* Cut 2 introduced sysconf registers to control this, but the
* bits are shared so both USB 2 ports and both USB 1.1 ports must
* agree on the configuration.
* See GNBvd63856 and GNBvd65685 for details. */
if (cpu_data->cut_major == 1) {
enum stx7141_usb_overcur_mode avail_mode;
avail_mode = (port < 2) ? stx7141_usb_ovrcur_active_low :
stx7141_usb_ovrcur_active_high;
if (config->ovrcur_mode != avail_mode)
goto fail;
} else {
int shared_port = port ^ 1;
if (configured[shared_port] &&
(stx7141_usb_overcur_mode[shared_port] !=
config->ovrcur_mode))
goto fail;
}
if (cpu_data->cut_major < 2)
stx7141_usb_platform_data[port].device_config->sysconfs_num--;
configured[port] = 1;
stx7141_usb_overcur_mode[port] = config->ovrcur_mode;
pad_config = stm_pad_config_alloc(2, 0);
stx7141_usb_platform_data[port].device_config->pad_config = pad_config;
if (config->ovrcur_mode != stx7141_usb_ovrcur_disabled) {
static const struct {
unsigned char port, pin;
} oc_pins[4] = {
{ 4, 6 },
{ 5, 0 },
{ 4, 2 },
{ 4, 4 },
};
stm_pad_config_add_pio_in(pad_config, oc_pins[port].port,
oc_pins[port].pin, -1);
}
if (config->pwr_enabled) {
static const struct {
unsigned char port, pin, function;
} pwr_pins[4] = {
{ 4, 7, 1 },
{ 5, 1, 1 },
{ 4, 3, 1 },
{ 4, 5, 1 },
};
stm_pad_config_add_pio_out(pad_config, pwr_pins[port].port,
pwr_pins[port].pin, pwr_pins[port].function);
}
pad_config->custom_claim = stx7141_usb_enable;
pad_config->custom_release = stx7141_usb_disable,
pad_config->custom_priv = (void *)port;
platform_device_register(&stx7141_usb_devices[port]);
return;
fail:
printk(KERN_WARNING "Disabling USB port %d, "
"as requested over current mode not available", port);
return;
}
/* MiPHY resources -------------------------------------------------------- */
static struct stm_tap_sysconf tap_sysconf = {
.tck = { SYS_CFG, 33, 0, 0},
.tms = { SYS_CFG, 33, 5, 5},
.tdi = { SYS_CFG, 33, 1, 1},
.tdo = { SYS_STA, 0, 1, 1},
.tap_en = { SYS_CFG, 33, 6, 6, POL_INVERTED},
.trstn = { SYS_CFG, 33, 4, 4},
};
struct stm_plat_tap_data stx7141_tap_platform_data = {
.miphy_first = 0,
.miphy_count = 1,
.miphy_modes = (enum miphy_mode[1]) {SATA_MODE},
.tap_sysconf = &tap_sysconf,
};
static struct platform_device stx7141_tap_device = {
.name = "stm-miphy-tap",
.id = 0,
.num_resources = 0,
.dev = {
.platform_data = &stx7141_tap_platform_data,
}
};
static int __init stx7141_miphy_postcore_setup(void)
{
return platform_device_register(&stx7141_tap_device);
}
postcore_initcall(stx7141_miphy_postcore_setup);
/* SATA resources --------------------------------------------------------- */
static void stx7141_sata_power(struct stm_device_state *device_state,
enum stm_device_power_state power)
{
/*
* At the moment it isn't clear how turn-off the sata host controller
* The SysCfg_36[6] doesn't work as described in ADCS 8247910
* The SysSta_15[5] returns always zero
* Also some experiment on SysCfg_4[9] did bad result.
*
* So currently the system totally bypasses the sata host controller
*/
return ;
}
static struct platform_device stx7141_sata_device = {
.name = "sata-stm",
.id = -1,
.dev.platform_data = &(struct stm_plat_sata_data) {
.phy_init = 0,
.pc_glue_logic_init = 0,
.only_32bit = 0,
.host_restart = NULL,
.port_num = 0,
.miphy_num = 0,
.device_config = &(struct stm_device_config) {
.sysconfs_num = 2,
.sysconfs = (struct stm_device_sysconf []) {
STM_DEVICE_SYS_CFG(32, 6, 6, "SATA_PWR"),
STM_DEVICE_SYS_STA(15, 5, 5, "SATA_ACK"),
},
.power = stx7141_sata_power,
}
},
.num_resources = 3,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe209000, 0x1000),
STM_PLAT_RESOURCE_IRQ_NAMED("hostc", ILC_IRQ(89), -1),
STM_PLAT_RESOURCE_IRQ_NAMED("dmac", ILC_IRQ(88), -1),
},
};
void __init stx7141_configure_sata(void)
{
static int configured;
struct sysconf_field *sc;
BUG_ON(configured++);
if (cpu_data->cut_major < 2) {
pr_warning("SATA is only supported on cut 2 or later\n");
return;
}
/* SATA_ENABLE */
sc = sysconf_claim(SYS_CFG, 4, 9, 9, "SATA");
BUG_ON(!sc);
sysconf_write(sc, 1);
/* SATA_SLUMBER_POWER_MODE */
sc = sysconf_claim(SYS_CFG, 32, 6, 6, "SATA");
BUG_ON(!sc);
sysconf_write(sc, 1);
sysconf_release(sc); /* make available for stm_device */
platform_device_register(&stx7141_sata_device);
}