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platform_kernel-5.15
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Merge branch 'for_3_2/omap_misc' of git://gitorious.org/omap-sw-develoment/linux-omap-dev into l3

This commit is contained in:
Tony Lindgren 2011-09-28 14:53:59 -07:00
parent d93dc5c447 cefcadeaa7
commit dc9ca24f4d
5 changed files with 322 additions and 291 deletions
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68
arch/arm/mach-omap2/omap_l3_noc.c
View File

@ -56,11 +56,11 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3)
{
struct omap4_l3 *l3 = _l3;
int inttype, i, j;
int inttype, i, k;
int err_src = 0;
u32 std_err_main_addr, std_err_main, err_reg;
u32 base, slave_addr, clear;
char *source_name;
u32 std_err_main, err_reg, clear, masterid;
void __iomem *base, *l3_targ_base;
char *target_name, *master_name = "UN IDENTIFIED";
/* Get the Type of interrupt */
inttype = irq == l3->app_irq ? L3_APPLICATION_ERROR : L3_DEBUG_ERROR;
@ -70,43 +70,50 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3)
* Read the regerr register of the clock domain
* to determine the source
*/
base = (u32)l3->l3_base[i];
err_reg = readl(base + l3_flagmux[i] + (inttype << 3));
base = l3->l3_base[i];
err_reg = __raw_readl(base + l3_flagmux[i] +
+ L3_FLAGMUX_REGERR0 + (inttype << 3));
/* Get the corresponding error and analyse */
if (err_reg) {
/* Identify the source from control status register */
for (j = 0; !(err_reg & (1 << j)); j++)
;
err_src = __ffs(err_reg);
err_src = j;
/* Read the stderrlog_main_source from clk domain */
std_err_main_addr = base + *(l3_targ[i] + err_src);
std_err_main = readl(std_err_main_addr);
l3_targ_base = base + *(l3_targ[i] + err_src);
std_err_main = __raw_readl(l3_targ_base +
L3_TARG_STDERRLOG_MAIN);
masterid = __raw_readl(l3_targ_base +
L3_TARG_STDERRLOG_MSTADDR);
switch (std_err_main & CUSTOM_ERROR) {
case STANDARD_ERROR:
source_name =
l3_targ_stderrlog_main_name[i][err_src];
slave_addr = std_err_main_addr +
L3_SLAVE_ADDRESS_OFFSET;
WARN(true, "L3 standard error: SOURCE:%s at address 0x%x\n",
source_name, readl(slave_addr));
target_name =
l3_targ_inst_name[i][err_src];
WARN(true, "L3 standard error: TARGET:%s at address 0x%x\n",
target_name,
__raw_readl(l3_targ_base +
L3_TARG_STDERRLOG_SLVOFSLSB));
/* clear the std error log*/
clear = std_err_main | CLEAR_STDERR_LOG;
writel(clear, std_err_main_addr);
writel(clear, l3_targ_base +
L3_TARG_STDERRLOG_MAIN);
break;
case CUSTOM_ERROR:
source_name =
l3_targ_stderrlog_main_name[i][err_src];
WARN(true, "CUSTOM SRESP error with SOURCE:%s\n",
source_name);
target_name =
l3_targ_inst_name[i][err_src];
for (k = 0; k < NUM_OF_L3_MASTERS; k++) {
if (masterid == l3_masters[k].id)
master_name =
l3_masters[k].name;
}
WARN(true, "L3 custom error: MASTER:%s TARGET:%s\n",
master_name, target_name);
/* clear the std error log*/
clear = std_err_main | CLEAR_STDERR_LOG;
writel(clear, std_err_main_addr);
writel(clear, l3_targ_base +
L3_TARG_STDERRLOG_MAIN);
break;
default:
@ -125,7 +132,6 @@ static int __init omap4_l3_probe(struct platform_device *pdev)
static struct omap4_l3 *l3;
struct resource *res;
int ret;
int irq;
l3 = kzalloc(sizeof(*l3), GFP_KERNEL);
if (!l3)
@ -177,8 +183,8 @@ static int __init omap4_l3_probe(struct platform_device *pdev)
/*
* Setup interrupt Handlers
*/
irq = platform_get_irq(pdev, 0);
ret = request_irq(irq,
l3->debug_irq = platform_get_irq(pdev, 0);
ret = request_irq(l3->debug_irq,
l3_interrupt_handler,
IRQF_DISABLED, "l3-dbg-irq", l3);
if (ret) {
@ -186,10 +192,9 @@ static int __init omap4_l3_probe(struct platform_device *pdev)
OMAP44XX_IRQ_L3_DBG);
goto err3;
}
l3->debug_irq = irq;
irq = platform_get_irq(pdev, 1);
ret = request_irq(irq,
l3->app_irq = platform_get_irq(pdev, 1);
ret = request_irq(l3->app_irq,
l3_interrupt_handler,
IRQF_DISABLED, "l3-app-irq", l3);
if (ret) {
@ -197,7 +202,6 @@ static int __init omap4_l3_probe(struct platform_device *pdev)
OMAP44XX_IRQ_L3_APP);
goto err4;
}
l3->app_irq = irq;
return 0;

126
arch/arm/mach-omap2/omap_l3_noc.h
View File

@ -1,4 +1,4 @@
/*
/*
* OMAP4XXX L3 Interconnect error handling driver header
*
* Copyright (C) 2011 Texas Corporation
@ -23,63 +23,94 @@
#ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
#define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
/*
* L3 register offsets
*/
#define L3_MODULES 3
#define CLEAR_STDERR_LOG (1 << 31)
#define CUSTOM_ERROR 0x2
#define STANDARD_ERROR 0x0
#define INBAND_ERROR 0x0
#define EMIF_KERRLOG_OFFSET 0x10
#define L3_SLAVE_ADDRESS_OFFSET 0x14
#define LOGICAL_ADDR_ERRORLOG 0x4
#define L3_APPLICATION_ERROR 0x0
#define L3_DEBUG_ERROR 0x1
u32 l3_flagmux[L3_MODULES] = {
0x50C,
0x100C,
0X020C
/* L3 TARG register offsets */
#define L3_TARG_STDERRLOG_MAIN 0x48
#define L3_TARG_STDERRLOG_SLVOFSLSB 0x5c
#define L3_TARG_STDERRLOG_MSTADDR 0x68
#define L3_FLAGMUX_REGERR0 0xc
#define NUM_OF_L3_MASTERS (sizeof(l3_masters)/sizeof(l3_masters[0]))
static u32 l3_flagmux[L3_MODULES] = {
0x500,
0x1000,
0X0200
};
/*
* L3 Target standard Error register offsets
*/
u32 l3_targ_stderrlog_main_clk1[] = {
0x148, /* DMM1 */
0x248, /* DMM2 */
0x348, /* ABE */
0x448, /* L4CFG */
0x648 /* CLK2 PWR DISC */
/* L3 Target standard Error register offsets */
static u32 l3_targ_inst_clk1[] = {
0x100, /* DMM1 */
0x200, /* DMM2 */
0x300, /* ABE */
0x400, /* L4CFG */
0x600 /* CLK2 PWR DISC */
};
u32 l3_targ_stderrlog_main_clk2[] = {
0x548, /* CORTEX M3 */
0x348, /* DSS */
0x148, /* GPMC */
0x448, /* ISS */
0x748, /* IVAHD */
0xD48, /* missing in TRM corresponds to AES1*/
0x948, /* L4 PER0*/
0x248, /* OCMRAM */
0x148, /* missing in TRM corresponds to GPMC sERROR*/
0x648, /* SGX */
0x848, /* SL2 */
0x1648, /* C2C */
0x1148, /* missing in TRM corresponds PWR DISC CLK1*/
0xF48, /* missing in TRM corrsponds to SHA1*/
0xE48, /* missing in TRM corresponds to AES2*/
0xC48, /* L4 PER3 */
0xA48, /* L4 PER1*/
0xB48 /* L4 PER2*/
static u32 l3_targ_inst_clk2[] = {
0x500, /* CORTEX M3 */
0x300, /* DSS */
0x100, /* GPMC */
0x400, /* ISS */
0x700, /* IVAHD */
0xD00, /* missing in TRM corresponds to AES1*/
0x900, /* L4 PER0*/
0x200, /* OCMRAM */
0x100, /* missing in TRM corresponds to GPMC sERROR*/
0x600, /* SGX */
0x800, /* SL2 */
0x1600, /* C2C */
0x1100, /* missing in TRM corresponds PWR DISC CLK1*/
0xF00, /* missing in TRM corrsponds to SHA1*/
0xE00, /* missing in TRM corresponds to AES2*/
0xC00, /* L4 PER3 */
0xA00, /* L4 PER1*/
0xB00 /* L4 PER2*/
};
u32 l3_targ_stderrlog_main_clk3[] = {
0x0148 /* EMUSS */
static u32 l3_targ_inst_clk3[] = {
0x0100 /* EMUSS */
};
char *l3_targ_stderrlog_main_name[L3_MODULES][18] = {
static struct l3_masters_data {
u32 id;
char name[10];
} l3_masters[] = {
{ 0x0 , "MPU"},
{ 0x10, "CS_ADP"},
{ 0x14, "xxx"},
{ 0x20, "DSP"},
{ 0x30, "IVAHD"},
{ 0x40, "ISS"},
{ 0x44, "DucatiM3"},
{ 0x48, "FaceDetect"},
{ 0x50, "SDMA_Rd"},
{ 0x54, "SDMA_Wr"},
{ 0x58, "xxx"},
{ 0x5C, "xxx"},
{ 0x60, "SGX"},
{ 0x70, "DSS"},
{ 0x80, "C2C"},
{ 0x88, "xxx"},
{ 0x8C, "xxx"},
{ 0x90, "HSI"},
{ 0xA0, "MMC1"},
{ 0xA4, "MMC2"},
{ 0xA8, "MMC6"},
{ 0xB0, "UNIPRO1"},
{ 0xC0, "USBHOSTHS"},
{ 0xC4, "USBOTGHS"},
{ 0xC8, "USBHOSTFS"}
};
static char *l3_targ_inst_name[L3_MODULES][18] = {
{
"DMM1",
"DMM2",
@ -112,10 +143,10 @@ char *l3_targ_stderrlog_main_name[L3_MODULES][18] = {
},
};
u32 *l3_targ[L3_MODULES] = {
l3_targ_stderrlog_main_clk1,
l3_targ_stderrlog_main_clk2,
l3_targ_stderrlog_main_clk3,
static u32 *l3_targ[L3_MODULES] = {
l3_targ_inst_clk1,
l3_targ_inst_clk2,
l3_targ_inst_clk3,
};
struct omap4_l3 {
@ -123,10 +154,9 @@ struct omap4_l3 {
struct clk *ick;
/* memory base */
void __iomem *l3_base[4];
void __iomem *l3_base[L3_MODULES];
int debug_irq;
int app_irq;
};
#endif

13
arch/arm/mach-omap2/omap_l3_smx.c
View File

@ -1,4 +1,4 @@
/*
/*
* OMAP3XXX L3 Interconnect Driver
*
* Copyright (C) 2011 Texas Corporation
@ -135,7 +135,7 @@ static char *omap3_l3_initiator_string(u8 initid)
}
}
/**
/*
* omap3_l3_block_irq - handles a register block's irq
* @l3: struct omap3_l3 *
* @base: register block base address
@ -158,8 +158,7 @@ static irqreturn_t omap3_l3_block_irq(struct omap3_l3 *l3,
WARN(true, "%s seen by %s %s at address %x\n",
omap3_l3_code_string(code),
omap3_l3_initiator_string(initid),
multi ? "Multiple Errors" : "",
address);
multi ? "Multiple Errors" : "", address);
return IRQ_HANDLED;
}
@ -191,14 +190,12 @@ static irqreturn_t omap3_l3_app_irq(int irq, void *_l3)
}
/* identify the error source */
for (err_source = 0; !(status & (1 << err_source)); err_source++)
;
err_source = __ffs(status);
base = l3->rt + *(omap3_l3_bases[int_type] + err_source);
base = l3->rt + omap3_l3_bases[int_type][err_source];
error = omap3_l3_readll(base, L3_ERROR_LOG);
if (error) {
error_addr = omap3_l3_readll(base, L3_ERROR_LOG_ADDR);
ret |= omap3_l3_block_irq(l3, error, error_addr);
}

10
arch/arm/mach-omap2/omap_l3_smx.h
View File

@ -1,4 +1,4 @@
/*
/*
* OMAP3XXX L3 Interconnect Driver header
*
* Copyright (C) 2011 Texas Corporation
@ -40,7 +40,7 @@
#define L3_SI_CONTROL 0x020
#define L3_SI_FLAG_STATUS_0 0x510
const u64 shift = 1;
static const u64 shift = 1;
#define L3_STATUS_0_MPUIA_BRST (shift << 0)
#define L3_STATUS_0_MPUIA_RSP (shift << 1)
@ -206,7 +206,7 @@ struct omap3_l3 {
};
/* offsets for l3 agents in order with the Flag status register */
unsigned int __iomem omap3_l3_app_bases[] = {
static unsigned int omap3_l3_app_bases[] = {
/* MPU IA */
0x1400,
0x1400,
@ -305,7 +305,7 @@ unsigned int __iomem omap3_l3_app_bases[] = {
0,
};
unsigned int __iomem omap3_l3_debug_bases[] = {
static unsigned int omap3_l3_debug_bases[] = {
/* MPU DATA IA */
0x1400,
/* RESERVED */
@ -321,7 +321,7 @@ unsigned int __iomem omap3_l3_debug_bases[] = {
/* REST RESERVED */
};
u32 *omap3_l3_bases[] = {
static u32 *omap3_l3_bases[] = {
omap3_l3_app_bases,
omap3_l3_debug_bases,
};

4
arch/arm/plat-omap/include/plat/io.h
View File

@ -228,13 +228,13 @@
#define OMAP44XX_EMIF2_PHYS OMAP44XX_EMIF2_BASE
/* 0x4d000000 --> 0xfd200000 */
#define OMAP44XX_EMIF2_VIRT (OMAP44XX_EMIF2_PHYS + OMAP4_L3_PER_IO_OFFSET)
#define OMAP44XX_EMIF2_SIZE SZ_1M
#define OMAP44XX_EMIF2_VIRT (OMAP44XX_EMIF1_VIRT + OMAP44XX_EMIF1_SIZE)
#define OMAP44XX_DMM_PHYS OMAP44XX_DMM_BASE
/* 0x4e000000 --> 0xfd300000 */
#define OMAP44XX_DMM_VIRT (OMAP44XX_DMM_PHYS + OMAP4_L3_PER_IO_OFFSET)
#define OMAP44XX_DMM_SIZE SZ_1M
#define OMAP44XX_DMM_VIRT (OMAP44XX_EMIF2_VIRT + OMAP44XX_EMIF2_SIZE)
/*
* ----------------------------------------------------------------------------
* Omap specific register access