u-boot/arch/arm/cpu/armv7/omap-common/sata.c
Scott Wood 9efaca3e84 ahci: mmio_base is a virtual address
Don't store it in a u32.

Don't dereference the bus address as if it were a virtual address
(fixes 284231e49a ("ahci: Support splitting of read transactions
into multiple chunks")).

Fixes crash on boot in MPC8641HPCN_36BIT target.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Vadim Bendebury <vbendeb@chromium.org>
Acked-by: York Sun <yorksun@freescale.com>
2015-04-18 16:54:29 -04:00

93 lines
2 KiB
C

/*
* TI SATA platform driver
*
* (C) Copyright 2013
* Texas Instruments, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <ahci.h>
#include <scsi.h>
#include <asm/arch/clock.h>
#include <asm/arch/sata.h>
#include <sata.h>
#include <asm/io.h>
#include "pipe3-phy.h"
static struct pipe3_dpll_map dpll_map_sata[] = {
{12000000, {1000, 7, 4, 6, 0} }, /* 12 MHz */
{16800000, {714, 7, 4, 6, 0} }, /* 16.8 MHz */
{19200000, {625, 7, 4, 6, 0} }, /* 19.2 MHz */
{20000000, {600, 7, 4, 6, 0} }, /* 20 MHz */
{26000000, {461, 7, 4, 6, 0} }, /* 26 MHz */
{38400000, {312, 7, 4, 6, 0} }, /* 38.4 MHz */
{ }, /* Terminator */
};
struct omap_pipe3 sata_phy = {
.pll_ctrl_base = (void __iomem *)TI_SATA_PLLCTRL_BASE,
/* .power_reg is updated at runtime */
.dpll_map = dpll_map_sata,
};
int init_sata(int dev)
{
int ret;
u32 val;
u32 const clk_domains_sata[] = {
0
};
u32 const clk_modules_hw_auto_sata[] = {
(*prcm)->cm_l3init_ocp2scp3_clkctrl,
0
};
u32 const clk_modules_explicit_en_sata[] = {
(*prcm)->cm_l3init_sata_clkctrl,
0
};
do_enable_clocks(clk_domains_sata,
clk_modules_hw_auto_sata,
clk_modules_explicit_en_sata,
0);
/* Enable optional functional clock for SATA */
setbits_le32((*prcm)->cm_l3init_sata_clkctrl,
SATA_CLKCTRL_OPTFCLKEN_MASK);
sata_phy.power_reg = (void __iomem *)(*ctrl)->control_phy_power_sata;
/* Power up the PHY */
phy_pipe3_power_on(&sata_phy);
/* Enable SATA module, No Idle, No Standby */
val = TI_SATA_IDLE_NO | TI_SATA_STANDBY_NO;
writel(val, TI_SATA_WRAPPER_BASE + TI_SATA_SYSCONFIG);
ret = ahci_init((void __iomem *)DWC_AHSATA_BASE);
return ret;
}
int reset_sata(int dev)
{
return 0;
}
/* On OMAP platforms SATA provides the SCSI subsystem */
void scsi_init(void)
{
init_sata(0);
scsi_scan(1);
}
void scsi_bus_reset(void)
{
ahci_reset((void __iomem *)DWC_AHSATA_BASE);
ahci_init((void __iomem *)DWC_AHSATA_BASE);
}