--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
-@@ -136,6 +136,11 @@ config SSB_DRIVER_MIPS
+@@ -136,10 +136,15 @@ config SSB_DRIVER_MIPS
If unsure, say N
+config SSB_SFLASH
+ bool "SSB serial flash support"
-+ depends on SSB_DRIVER_MIPS && BROKEN
++ depends on SSB_DRIVER_MIPS
+ default y
+
# Assumption: We are on embedded, if we compile the MIPS core.
config SSB_EMBEDDED
bool
+- depends on SSB_DRIVER_MIPS
++ depends on SSB_DRIVER_MIPS && SSB_PCICORE_HOSTMODE
+ default y
+
+ config SSB_DRIVER_EXTIF
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -11,6 +11,7 @@ ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o
"Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
--- /dev/null
+++ b/drivers/ssb/driver_chipcommon_sflash.c
-@@ -0,0 +1,140 @@
+@@ -0,0 +1,164 @@
+/*
+ * Sonics Silicon Backplane
+ * ChipCommon serial flash interface
+
+#include "ssb_private.h"
+
++static struct resource ssb_sflash_resource = {
++ .name = "ssb_sflash",
++ .start = SSB_FLASH2,
++ .end = 0,
++ .flags = IORESOURCE_MEM | IORESOURCE_READONLY,
++};
++
++struct platform_device ssb_sflash_dev = {
++ .name = "ssb_sflash",
++ .resource = &ssb_sflash_resource,
++ .num_resources = 1,
++};
++
+struct ssb_sflash_tbl_e {
+ char *name;
+ u32 id;
+ u16 numblocks;
+};
+
-+static struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
++static const struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
+ { "M25P20", 0x11, 0x10000, 4, },
+ { "M25P40", 0x12, 0x10000, 8, },
+
+ { 0 },
+};
+
-+static struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
++static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
+ { "SST25WF512", 1, 0x1000, 16, },
+ { "SST25VF512", 0x48, 0x1000, 16, },
+ { "SST25WF010", 2, 0x1000, 32, },
+ { 0 },
+};
+
-+static struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
++static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
+ { "AT45DB011", 0xc, 256, 512, },
+ { "AT45DB021", 0x14, 256, 1024, },
+ { "AT45DB041", 0x1c, 256, 2048, },
+/* Initialize serial flash access */
+int ssb_sflash_init(struct ssb_chipcommon *cc)
+{
-+ struct ssb_sflash_tbl_e *e;
++ struct ssb_sflash *sflash = &cc->dev->bus->mipscore.sflash;
++ const struct ssb_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
+ return -ENOTSUPP;
+ }
+
-+ pr_info("Found %s serial flash (blocksize: 0x%X, blocks: %d)\n",
-+ e->name, e->blocksize, e->numblocks);
++ sflash->window = SSB_FLASH2;
++ sflash->blocksize = e->blocksize;
++ sflash->numblocks = e->numblocks;
++ sflash->size = sflash->blocksize * sflash->numblocks;
++ sflash->present = true;
+
-+ pr_err("Serial flash support is not implemented yet!\n");
++ pr_info("Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
++ e->name, sflash->size / 1024, e->blocksize, e->numblocks);
+
-+ return -ENOTSUPP;
++ /* Prepare platform device, but don't register it yet. It's too early,
++ * malloc (required by device_private_init) is not available yet. */
++ ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start +
++ sflash->size;
++ ssb_sflash_dev.dev.platform_data = sflash;
++
++ return 0;
+}
--- a/drivers/ssb/driver_gpio.c
+++ b/drivers/ssb/driver_gpio.c
/* Set dev to NULL to not unregister
* dev on error unwinding. */
sdev->dev = NULL;
-@@ -549,6 +545,14 @@ static int ssb_devices_register(struct s
+@@ -549,6 +545,22 @@ static int ssb_devices_register(struct s
dev_idx++;
}
+ pr_err("Error registering parallel flash\n");
+ }
+#endif
++
++#ifdef CONFIG_SSB_SFLASH
++ if (bus->mipscore.sflash.present) {
++ err = platform_device_register(&ssb_sflash_dev);
++ if (err)
++ pr_err("Error registering serial flash\n");
++ }
++#endif
+
return 0;
error:
/* Unwind the already registered devices. */
-@@ -817,10 +821,9 @@ static int ssb_bus_register(struct ssb_b
+@@ -817,10 +829,9 @@ static int ssb_bus_register(struct ssb_b
ssb_mipscore_init(&bus->mipscore);
err = ssb_gpio_init(bus);
if (err == -ENOTSUPP)
err = ssb_fetch_invariants(bus, get_invariants);
if (err) {
ssb_bus_may_powerdown(bus);
-@@ -870,11 +873,11 @@ int ssb_bus_pcibus_register(struct ssb_b
+@@ -870,11 +881,11 @@ int ssb_bus_pcibus_register(struct ssb_b
err = ssb_bus_register(bus, ssb_pci_get_invariants, 0);
if (!err) {
}
return err;
-@@ -895,8 +898,8 @@ int ssb_bus_pcmciabus_register(struct ss
+@@ -895,8 +906,8 @@ int ssb_bus_pcmciabus_register(struct ss
err = ssb_bus_register(bus, ssb_pcmcia_get_invariants, baseaddr);
if (!err) {
}
return err;
-@@ -917,8 +920,8 @@ int ssb_bus_sdiobus_register(struct ssb_
+@@ -917,8 +928,8 @@ int ssb_bus_sdiobus_register(struct ssb_
err = ssb_bus_register(bus, ssb_sdio_get_invariants, ~0);
if (!err) {
}
return err;
-@@ -936,8 +939,8 @@ int ssb_bus_ssbbus_register(struct ssb_b
+@@ -936,8 +947,8 @@ int ssb_bus_ssbbus_register(struct ssb_b
err = ssb_bus_register(bus, get_invariants, baseaddr);
if (!err) {
}
return err;
-@@ -1331,7 +1334,7 @@ out:
+@@ -1331,7 +1342,7 @@ out:
#endif
return err;
error:
goto out;
}
EXPORT_SYMBOL(ssb_bus_may_powerdown);
-@@ -1354,7 +1357,7 @@ int ssb_bus_powerup(struct ssb_bus *bus,
+@@ -1354,7 +1365,7 @@ int ssb_bus_powerup(struct ssb_bus *bus,
return 0;
error:
return err;
}
EXPORT_SYMBOL(ssb_bus_powerup);
-@@ -1462,15 +1465,13 @@ static int __init ssb_modinit(void)
+@@ -1462,15 +1473,13 @@ static int __init ssb_modinit(void)
err = b43_pci_ssb_bridge_init();
if (err) {
}
}
err = sprom_extract(bus, sprom, buf, bus->sprom_size);
+--- a/drivers/ssb/pcihost_wrapper.c
++++ b/drivers/ssb/pcihost_wrapper.c
+@@ -38,7 +38,7 @@ static int ssb_pcihost_resume(struct pci
+ struct ssb_bus *ssb = pci_get_drvdata(dev);
+ int err;
+
+- pci_set_power_state(dev, 0);
++ pci_set_power_state(dev, PCI_D0);
+ err = pci_enable_device(dev);
+ if (err)
+ return err;
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -143,7 +143,7 @@ int ssb_pcmcia_switch_coreidx(struct ssb
bus->pcicore.dev = dev;
--- a/drivers/ssb/sprom.c
+++ b/drivers/ssb/sprom.c
+@@ -54,7 +54,7 @@ static int hex2sprom(u16 *sprom, const c
+ while (cnt < sprom_size_words) {
+ memcpy(tmp, dump, 4);
+ dump += 4;
+- err = strict_strtoul(tmp, 16, &parsed);
++ err = kstrtoul(tmp, 16, &parsed);
+ if (err)
+ return err;
+ sprom[cnt++] = swab16((u16)parsed);
@@ -127,13 +127,13 @@ ssize_t ssb_attr_sprom_store(struct ssb_
goto out_kfree;
err = ssb_devices_freeze(bus, &freeze);
#endif
#ifdef CONFIG_SSB_DEBUG
-@@ -217,6 +228,21 @@ extern u32 ssb_chipco_watchdog_timer_set
+@@ -217,6 +228,25 @@ extern u32 ssb_chipco_watchdog_timer_set
u32 ticks);
extern u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
+#ifdef CONFIG_SSB_DRIVER_MIPS
+extern struct platform_device ssb_pflash_dev;
+#endif
++
++#ifdef CONFIG_SSB_SFLASH
++extern struct platform_device ssb_sflash_dev;
++#endif
+
#ifdef CONFIG_SSB_DRIVER_EXTIF
extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks);
#endif /* LINUX_SSB_DRIVER_GIGE_H_ */
--- a/include/linux/ssb/ssb_driver_mips.h
+++ b/include/linux/ssb/ssb_driver_mips.h
-@@ -45,6 +45,11 @@ void ssb_mipscore_init(struct ssb_mipsco
+@@ -20,6 +20,18 @@ struct ssb_pflash {
+ u32 window_size;
+ };
+
++#ifdef CONFIG_SSB_SFLASH
++struct ssb_sflash {
++ bool present;
++ u32 window;
++ u32 blocksize;
++ u16 numblocks;
++ u32 size;
++
++ void *priv;
++};
++#endif
++
+ struct ssb_mipscore {
+ struct ssb_device *dev;
+
+@@ -27,6 +39,9 @@ struct ssb_mipscore {
+ struct ssb_serial_port serial_ports[4];
+
+ struct ssb_pflash pflash;
++#ifdef CONFIG_SSB_SFLASH
++ struct ssb_sflash sflash;
++#endif
+ };
+
+ extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
+@@ -45,6 +60,11 @@ void ssb_mipscore_init(struct ssb_mipsco
{
}
#endif /* LINUX_SSB_MIPSCORE_H_ */
--- a/include/linux/ssb/ssb_regs.h
+++ b/include/linux/ssb/ssb_regs.h
-@@ -289,11 +289,11 @@
+@@ -172,6 +172,7 @@
+ #define SSB_SPROMSIZE_WORDS_R4 220
+ #define SSB_SPROMSIZE_BYTES_R123 (SSB_SPROMSIZE_WORDS_R123 * sizeof(u16))
+ #define SSB_SPROMSIZE_BYTES_R4 (SSB_SPROMSIZE_WORDS_R4 * sizeof(u16))
++#define SSB_SPROMSIZE_WORDS_R10 230
+ #define SSB_SPROM_BASE1 0x1000
+ #define SSB_SPROM_BASE31 0x0800
+ #define SSB_SPROM_REVISION 0x007E
+@@ -289,11 +290,11 @@
#define SSB_SPROM4_ETHPHY_ET1A_SHIFT 5
#define SSB_SPROM4_ETHPHY_ET0M (1<<14) /* MDIO for enet0 */
#define SSB_SPROM4_ETHPHY_ET1M (1<<15) /* MDIO for enet1 */
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