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ARM: OMAP3: Remove legacy support for am35xx-emac 

This is no longer needed now that 3517 is booting in device tree
only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2015-01-13 09:00:38 -08:00
parent 5c5f9b42b5
commit 13eeb0f326
6 changed files with 2 additions and 210 deletions
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3
arch/arm/mach-omap2/Makefile
View File

@ -281,7 +281,4 @@ ifneq ($(CONFIG_HWSPINLOCK_OMAP),)
obj-y += hwspinlock.o
endif
emac-$(CONFIG_TI_DAVINCI_EMAC) := am35xx-emac.o
obj-y += $(emac-m) $(emac-y)
obj-y += common-board-devices.o twl-common.o dss-common.o

114
arch/arm/mach-omap2/am35xx-emac.c
View File

@ -1,114 +0,0 @@
/*
* Copyright (C) 2011 Ilya Yanok, Emcraft Systems
*
* Based on mach-omap2/board-am3517evm.c
* Copyright (C) 2009 Texas Instruments Incorporated
* Author: Ranjith Lohithakshan <ranjithl@ti.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
* published by the Free Software Foundation.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
* whether express or implied; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <linux/err.h>
#include <linux/davinci_emac.h>
#include "omap_device.h"
#include "am35xx.h"
#include "control.h"
#include "am35xx-emac.h"
static void am35xx_enable_emac_int(void)
{
u32 v;
v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
}
static void am35xx_disable_emac_int(void)
{
u32 v;
v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
}
static struct emac_platform_data am35xx_emac_pdata = {
.ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET,
.ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET,
.ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET,
.ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE,
.hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR,
.version = EMAC_VERSION_2,
.interrupt_enable = am35xx_enable_emac_int,
.interrupt_disable = am35xx_disable_emac_int,
};
static struct mdio_platform_data am35xx_mdio_pdata;
static int __init omap_davinci_emac_dev_init(struct omap_hwmod *oh,
void *pdata, int pdata_len)
{
struct platform_device *pdev;
pdev = omap_device_build(oh->class->name, 0, oh, pdata, pdata_len);
if (IS_ERR(pdev)) {
WARN(1, "Can't build omap_device for %s:%s.\n",
oh->class->name, oh->name);
return PTR_ERR(pdev);
}
return 0;
}
void __init am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en)
{
struct omap_hwmod *oh;
u32 v;
int ret;
oh = omap_hwmod_lookup("davinci_mdio");
if (!oh) {
pr_err("Could not find davinci_mdio hwmod\n");
return;
}
am35xx_mdio_pdata.bus_freq = mdio_bus_freq;
ret = omap_davinci_emac_dev_init(oh, &am35xx_mdio_pdata,
sizeof(am35xx_mdio_pdata));
if (ret) {
pr_err("Could not build davinci_mdio hwmod device\n");
return;
}
oh = omap_hwmod_lookup("davinci_emac");
if (!oh) {
pr_err("Could not find davinci_emac hwmod\n");
return;
}
am35xx_emac_pdata.rmii_en = rmii_en;
ret = omap_davinci_emac_dev_init(oh, &am35xx_emac_pdata,
sizeof(am35xx_emac_pdata));
if (ret) {
pr_err("Could not build davinci_emac hwmod device\n");
return;
}
v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
v &= ~AM35XX_CPGMACSS_SW_RST;
omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
}

15
arch/arm/mach-omap2/am35xx-emac.h
View File

@ -1,15 +0,0 @@
/*
* Copyright (C) 2011 Ilya Yanok, Emcraft Systems
*
* 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.
*/
#define AM35XX_DEFAULT_MDIO_FREQUENCY 1000000
#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
void am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en);
#else
static inline void am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en) {}
#endif

46
arch/arm/mach-omap2/am35xx.h
View File

@ -1,46 +0,0 @@
/*:
* Address mappings and base address for AM35XX specific interconnects
* and peripherals.
*
* Copyright (C) 2009 Texas Instruments
*
* Author: Sriramakrishnan <srk@ti.com>
* Vaibhav Hiremath <hvaibhav@ti.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.
*/
#ifndef __ASM_ARCH_AM35XX_H
#define __ASM_ARCH_AM35XX_H
/*
* Base addresses
* Note: OMAP3430 IVA2 memory space is being used for AM35xx IPSS modules
*/
#define AM35XX_IPSS_EMAC_BASE 0x5C000000
#define AM35XX_IPSS_USBOTGSS_BASE 0x5C040000
#define AM35XX_IPSS_HECC_BASE 0x5C050000
#define AM35XX_IPSS_VPFE_BASE 0x5C060000
/* HECC module specifc offset definitions */
#define AM35XX_HECC_SCC_HECC_OFFSET (0x0)
#define AM35XX_HECC_SCC_RAM_OFFSET (0x3000)
#define AM35XX_HECC_RAM_OFFSET (0x3000)
#define AM35XX_HECC_MBOX_OFFSET (0x2000)
#define AM35XX_HECC_INT_LINE (0x0)
#define AM35XX_HECC_VERSION (0x1)
#define AM35XX_EMAC_CNTRL_OFFSET (0x10000)
#define AM35XX_EMAC_CNTRL_MOD_OFFSET (0x0)
#define AM35XX_EMAC_CNTRL_RAM_OFFSET (0x20000)
#define AM35XX_EMAC_MDIO_OFFSET (0x30000)
#define AM35XX_IPSS_MDIO_BASE (AM35XX_IPSS_EMAC_BASE + \
AM35XX_EMAC_MDIO_OFFSET)
#define AM35XX_EMAC_CNTRL_RAM_SIZE (0x2000)
#define AM35XX_EMAC_RAM_ADDR (AM3517_EMAC_BASE + \
AM3517_EMAC_CNTRL_RAM_OFFSET)
#define AM35XX_EMAC_HW_RAM_ADDR (0x01E20000)
#endif /* __ASM_ARCH_AM35XX_H */

33
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
View File

@ -29,8 +29,6 @@
#include <linux/platform_data/mailbox-omap.h>
#include <plat/dmtimer.h>
#include "am35xx.h"
#include "soc.h"
#include "omap_hwmod.h"
#include "omap_hwmod_common_data.h"
@ -50,6 +48,8 @@
* elsewhere.
*/
#define AM35XX_IPSS_USBOTGSS_BASE 0x5C040000
/*
* IP blocks
*/
@ -3459,15 +3459,6 @@ static struct omap_hwmod_ocp_if am35xx_mdio__l3 = {
.user = OCP_USER_MPU,
};
static struct omap_hwmod_addr_space am35xx_mdio_addrs[] = {
{
.pa_start = AM35XX_IPSS_MDIO_BASE,
.pa_end = AM35XX_IPSS_MDIO_BASE + SZ_4K - 1,
.flags = ADDR_TYPE_RT,
},
{ }
};
/* l4_core -> davinci mdio */
/*
* XXX Should be connected to an IPSS hwmod, not the L4_CORE directly;
@ -3478,25 +3469,15 @@ static struct omap_hwmod_ocp_if am35xx_l4_core__mdio = {
.master = &omap3xxx_l4_core_hwmod,
.slave = &am35xx_mdio_hwmod,
.clk = "emac_fck",
.addr = am35xx_mdio_addrs,
.user = OCP_USER_MPU,
};
static struct omap_hwmod_irq_info am35xx_emac_mpu_irqs[] = {
{ .name = "rxthresh", .irq = 67 + OMAP_INTC_START, },
{ .name = "rx_pulse", .irq = 68 + OMAP_INTC_START, },
{ .name = "tx_pulse", .irq = 69 + OMAP_INTC_START },
{ .name = "misc_pulse", .irq = 70 + OMAP_INTC_START },
{ .irq = -1 },
};
static struct omap_hwmod_class am35xx_emac_class = {
.name = "davinci_emac",
};
static struct omap_hwmod am35xx_emac_hwmod = {
.name = "davinci_emac",
.mpu_irqs = am35xx_emac_mpu_irqs,
.class = &am35xx_emac_class,
/*
* According to Mark Greer, the MPU will not return from WFI
@ -3519,15 +3500,6 @@ static struct omap_hwmod_ocp_if am35xx_emac__l3 = {
.user = OCP_USER_MPU,
};
static struct omap_hwmod_addr_space am35xx_emac_addrs[] = {
{
.pa_start = AM35XX_IPSS_EMAC_BASE,
.pa_end = AM35XX_IPSS_EMAC_BASE + 0x30000 - 1,
.flags = ADDR_TYPE_RT,
},
{ }
};
/* l4_core -> davinci emac */
/*
* XXX Should be connected to an IPSS hwmod, not the L4_CORE directly;
@ -3538,7 +3510,6 @@ static struct omap_hwmod_ocp_if am35xx_l4_core__emac = {
.master = &omap3xxx_l4_core_hwmod,
.slave = &am35xx_emac_hwmod,
.clk = "emac_ick",
.addr = am35xx_emac_addrs,
.user = OCP_USER_MPU,
};

1
arch/arm/mach-omap2/pdata-quirks.c
View File

@ -19,7 +19,6 @@
#include <linux/platform_data/pinctrl-single.h>
#include <linux/platform_data/iommu-omap.h>
#include "am35xx.h"
#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"