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ssb: move parallel flash config into an own struct
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This is a preparing step for adding serial flash support.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Hauke Mehrtens authored and John W. Linville committed Oct 19, 2012
1 parent e5c9d7c commit 54c9749
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Showing 4 changed files with 19 additions and 16 deletions.
4 changes: 2 additions & 2 deletions arch/mips/bcm47xx/nvram.c
Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,8 @@ static void early_nvram_init(void)
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
mcore_ssb = &bcm47xx_bus.ssb.mipscore;
base = mcore_ssb->flash_window;
lim = mcore_ssb->flash_window_size;
base = mcore_ssb->pflash.window;
lim = mcore_ssb->pflash.window_size;
break;
#endif
#ifdef CONFIG_BCM47XX_BCMA
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8 changes: 4 additions & 4 deletions arch/mips/bcm47xx/wgt634u.c
Original file line number Diff line number Diff line change
Expand Up @@ -156,10 +156,10 @@ static int __init wgt634u_init(void)
SSB_CHIPCO_IRQ_GPIO);
}

wgt634u_flash_data.width = mcore->flash_buswidth;
wgt634u_flash_resource.start = mcore->flash_window;
wgt634u_flash_resource.end = mcore->flash_window
+ mcore->flash_window_size
wgt634u_flash_data.width = mcore->pflash.buswidth;
wgt634u_flash_resource.start = mcore->pflash.window;
wgt634u_flash_resource.end = mcore->pflash.window
+ mcore->pflash.window_size
- 1;
return platform_add_devices(wgt634u_devices,
ARRAY_SIZE(wgt634u_devices));
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14 changes: 7 additions & 7 deletions drivers/ssb/driver_mipscore.c
Original file line number Diff line number Diff line change
Expand Up @@ -192,9 +192,9 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)

/* When there is no chipcommon on the bus there is 4MB flash */
if (!bus->chipco.dev) {
mcore->flash_buswidth = 2;
mcore->flash_window = SSB_FLASH1;
mcore->flash_window_size = SSB_FLASH1_SZ;
mcore->pflash.buswidth = 2;
mcore->pflash.window = SSB_FLASH1;
mcore->pflash.window_size = SSB_FLASH1_SZ;
return;
}

Expand All @@ -206,13 +206,13 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
break;
case SSB_CHIPCO_FLASHT_PARA:
pr_debug("Found parallel flash\n");
mcore->flash_window = SSB_FLASH2;
mcore->flash_window_size = SSB_FLASH2_SZ;
mcore->pflash.window = SSB_FLASH2;
mcore->pflash.window_size = SSB_FLASH2_SZ;
if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
& SSB_CHIPCO_CFG_DS16) == 0)
mcore->flash_buswidth = 1;
mcore->pflash.buswidth = 1;
else
mcore->flash_buswidth = 2;
mcore->pflash.buswidth = 2;
break;
}
}
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9 changes: 6 additions & 3 deletions include/linux/ssb/ssb_driver_mips.h
Original file line number Diff line number Diff line change
Expand Up @@ -13,16 +13,19 @@ struct ssb_serial_port {
unsigned int reg_shift;
};

struct ssb_pflash {
u8 buswidth;
u32 window;
u32 window_size;
};

struct ssb_mipscore {
struct ssb_device *dev;

int nr_serial_ports;
struct ssb_serial_port serial_ports[4];

u8 flash_buswidth;
u32 flash_window;
u32 flash_window_size;
struct ssb_pflash pflash;
};

extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
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