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yaml
---
r: 320435
b: refs/heads/master
c: 163f22d
h: refs/heads/master
i:
  320433: fc77b87
  320431: b6885e1
v: v3
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Claudiu Manoil authored and Kumar Gala committed Jul 26, 2012
1 parent 925005b commit d54d932
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Showing 3 changed files with 17 additions and 28 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e1bd5d8bc13f51c7c991f04255b3868e31933252
refs/heads/master: 163f22dc9615e6bc446f50a626af7362cd269876
4 changes: 2 additions & 2 deletions trunk/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright 2009-2010 Freescale Semiconductor, Inc
* Copyright 2009-2010, 2012 Freescale Semiconductor, Inc
*
* QorIQ based Cache Controller Memory Mapped Registers
*
Expand Down Expand Up @@ -91,7 +91,7 @@ struct mpc85xx_l2ctlr {

struct sram_parameters {
unsigned int sram_size;
uint64_t sram_offset;
phys_addr_t sram_offset;
};

extern int instantiate_cache_sram(struct platform_device *dev,
Expand Down
39 changes: 14 additions & 25 deletions trunk/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright 2009-2010 Freescale Semiconductor, Inc.
* Copyright 2009-2010, 2012 Freescale Semiconductor, Inc.
*
* QorIQ (P1/P2) L2 controller init for Cache-SRAM instantiation
*
Expand Down Expand Up @@ -31,24 +31,21 @@ static char *sram_size;
static char *sram_offset;
struct mpc85xx_l2ctlr __iomem *l2ctlr;

static long get_cache_sram_size(void)
static int get_cache_sram_params(struct sram_parameters *sram_params)
{
unsigned long val;
unsigned long long addr;
unsigned int size;

if (!sram_size || (strict_strtoul(sram_size, 0, &val) < 0))
if (!sram_size || (kstrtouint(sram_size, 0, &size) < 0))
return -EINVAL;

return val;
}

static long get_cache_sram_offset(void)
{
unsigned long val;

if (!sram_offset || (strict_strtoul(sram_offset, 0, &val) < 0))
if (!sram_offset || (kstrtoull(sram_offset, 0, &addr) < 0))
return -EINVAL;

return val;
sram_params->sram_offset = addr;
sram_params->sram_size = size;

return 0;
}

static int __init get_size_from_cmdline(char *str)
Expand Down Expand Up @@ -93,17 +90,9 @@ static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev)
}
l2cache_size = *prop;

sram_params.sram_size = get_cache_sram_size();
if ((int)sram_params.sram_size <= 0) {
dev_err(&dev->dev,
"Entire L2 as cache, Aborting Cache-SRAM stuff\n");
return -EINVAL;
}

sram_params.sram_offset = get_cache_sram_offset();
if ((int64_t)sram_params.sram_offset <= 0) {
if (get_cache_sram_params(&sram_params)) {
dev_err(&dev->dev,
"Entire L2 as cache, provide a valid sram offset\n");
"Entire L2 as cache, provide valid sram offset and size\n");
return -EINVAL;
}

Expand All @@ -125,14 +114,14 @@ static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev)
* Write bits[0-17] to srbar0
*/
out_be32(&l2ctlr->srbar0,
sram_params.sram_offset & L2SRAM_BAR_MSK_LO18);
lower_32_bits(sram_params.sram_offset) & L2SRAM_BAR_MSK_LO18);

/*
* Write bits[18-21] to srbare0
*/
#ifdef CONFIG_PHYS_64BIT
out_be32(&l2ctlr->srbarea0,
(sram_params.sram_offset >> 32) & L2SRAM_BARE_MSK_HI4);
upper_32_bits(sram_params.sram_offset) & L2SRAM_BARE_MSK_HI4);
#endif

clrsetbits_be32(&l2ctlr->ctl, L2CR_L2E, L2CR_L2FI);
Expand Down

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