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Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.22/210-ssb_fixes.patch')
-rw-r--r--target/linux/brcm47xx/patches-2.6.22/210-ssb_fixes.patch372
1 files changed, 372 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.22/210-ssb_fixes.patch b/target/linux/brcm47xx/patches-2.6.22/210-ssb_fixes.patch
new file mode 100644
index 0000000000..273d8bb34f
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.22/210-ssb_fixes.patch
@@ -0,0 +1,372 @@
+Index: linux-2.6.22-rc5/drivers/ssb/driver_chipcommon.c
+===================================================================
+--- linux-2.6.22-rc5.orig/drivers/ssb/driver_chipcommon.c 2007-06-21 23:04:38.000000000 +0100
++++ linux-2.6.22-rc5/drivers/ssb/driver_chipcommon.c 2007-06-24 20:07:15.000000000 +0100
+@@ -264,6 +264,31 @@
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
+ }
+
++/* TODO: These two functions are a clear candidate for merging, but one gets
++ * the processor clock, and the other gets the bus clock.
++ */
++void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
++ u32 *plltype, u32 *n, u32 *m)
++{
++ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
++ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
++ switch (*plltype) {
++ case SSB_PLLTYPE_2:
++ case SSB_PLLTYPE_4:
++ case SSB_PLLTYPE_6:
++ case SSB_PLLTYPE_7:
++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS);
++ break;
++ case SSB_PLLTYPE_3:
++ /* 5350 uses m2 to control mips */
++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2);
++ break;
++ default:
++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB);
++ break;
++ }
++}
++
+ void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m)
+ {
+@@ -400,3 +425,13 @@
+ return nr_ports;
+ }
+ #endif /* CONFIG_SSB_SERIAL */
++
++/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
++int
++ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks)
++{
++ /* instant NMI */
++ chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
++ return 0;
++}
++EXPORT_SYMBOL(ssb_chipco_watchdog);
+Index: linux-2.6.22-rc5/drivers/ssb/driver_mipscore.c
+===================================================================
+--- linux-2.6.22-rc5.orig/drivers/ssb/driver_mipscore.c 2007-06-10 16:44:31.000000000 +0100
++++ linux-2.6.22-rc5/drivers/ssb/driver_mipscore.c 2007-06-24 20:48:52.000000000 +0100
+@@ -4,6 +4,7 @@
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
++ * Copyright 2006, 2007, Felix Fietkau <nbd@openwrt.org>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+@@ -31,6 +32,16 @@
+ ssb_write32(mcore->dev, offset, value);
+ }
+
++static inline u32 extif_read32(struct ssb_extif *extif, u16 offset)
++{
++ return ssb_read32(extif->dev, offset);
++}
++
++static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value)
++{
++ ssb_write32(extif->dev, offset, value);
++}
++
+ static const u32 ipsflag_irq_mask[] = {
+ 0,
+ SSB_IPSFLAG_IRQ1,
+@@ -118,9 +129,9 @@
+ }
+
+ /* XXX: leave here or move into separate extif driver? */
+-static int ssb_extif_serial_init(struct ssb_device *dev, struct ssb_serial_ports *ports)
++static int ssb_extif_serial_init(struct ssb_extif *dev, struct ssb_serial_port *ports)
+ {
+-
++ return 0;
+ }
+
+
+@@ -174,23 +185,76 @@
+ {
+ struct ssb_bus *bus = mcore->dev->bus;
+
++ mcore->flash_buswidth = 2;
+ if (bus->chipco.dev) {
+ mcore->flash_window = 0x1c000000;
+- mcore->flash_window_size = 0x800000;
++ mcore->flash_window_size = 0x02000000;
++ if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
++ & SSB_CHIPCO_CFG_DS16) == 0)
++ mcore->flash_buswidth = 1;
+ } else {
+ mcore->flash_window = 0x1fc00000;
+- mcore->flash_window_size = 0x400000;
++ mcore->flash_window_size = 0x00400000;
+ }
+ }
+
++static void ssb_extif_timing_init(struct ssb_extif *extif, u32 ns)
++{
++ u32 tmp;
++
++ /* Initialize extif so we can get to the LEDs and external UART */
++ extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN);
++
++ /* Set timing for the flash */
++ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT;
++ tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT;
++ tmp |= DIV_ROUND_UP(120, ns);
++ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
++
++ /* Set programmable interface timing for external uart */
++ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT;
++ tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT;
++ tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT;
++ tmp |= DIV_ROUND_UP(120, ns);
++ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
++}
+
+-static void ssb_cpu_clock(struct ssb_mipscore *mcore)
++static inline void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
++ u32 *pll_type, u32 *n, u32 *m)
+ {
++ *pll_type = SSB_PLLTYPE_1;
++ *n = extif_read32(extif, SSB_EXTIF_CLOCK_N);
++ *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
+ }
+
+-void ssb_mipscore_init(struct ssb_mipscore *mcore)
++u32 ssb_cpu_clock(struct ssb_mipscore *mcore)
+ {
+ struct ssb_bus *bus = mcore->dev->bus;
++ u32 pll_type, n, m, rate = 0;
++
++ if (bus->extif.dev) {
++ ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m);
++ } else if (bus->chipco.dev) {
++ ssb_chipco_get_clockcpu(&bus->chipco, &pll_type, &n, &m);
++ } else
++ return 0;
++
++ if ((pll_type == SSB_PLLTYPE_5) || (bus->chip_id == 0x5365)) {
++ rate = 200000000;
++ } else {
++ rate = ssb_calc_clock_rate(pll_type, n, m);
++ }
++
++ if (pll_type == SSB_PLLTYPE_6) {
++ rate *= 2;
++ }
++
++ return rate;
++}
++
++void ssb_mipscore_init(struct ssb_mipscore *mcore)
++{
++ struct ssb_bus *bus;
+ struct ssb_device *dev;
+ unsigned long hz, ns;
+ unsigned int irq, i;
+@@ -198,6 +262,8 @@
+ if (!mcore->dev)
+ return; /* We don't have a MIPS core */
+
++ bus = mcore->dev->bus;
++
+ ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n");
+
+ hz = ssb_clockspeed(bus);
+@@ -205,28 +271,9 @@
+ hz = 100000000;
+ ns = 1000000000 / hz;
+
+-//TODO
+-#if 0
+- if (have EXTIF) {
+- /* Initialize extif so we can get to the LEDs and external UART */
+- W_REG(&eir->prog_config, CF_EN);
+-
+- /* Set timing for the flash */
+- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */
+- tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */
+- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */
+- W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */
+-
+- /* Set programmable interface timing for external uart */
+- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */
+- tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */
+- tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */
+- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */
+- W_REG(&eir->prog_waitcount, tmp);
+- }
+- else... chipcommon
+-#endif
+- if (bus->chipco.dev)
++ if (bus->extif.dev)
++ ssb_extif_timing_init(&bus->extif, ns);
++ else if (bus->chipco.dev)
+ ssb_chipco_timing_init(&bus->chipco, ns);
+
+ /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */
+@@ -256,3 +303,5 @@
+ ssb_mips_serial_init(mcore);
+ ssb_mips_flash_detect(mcore);
+ }
++
++EXPORT_SYMBOL(ssb_mips_irq);
+Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_chipcommon.h
+===================================================================
+--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-10 16:44:47.000000000 +0100
++++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-24 20:07:15.000000000 +0100
+@@ -364,6 +364,8 @@
+ extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state);
+ extern void ssb_chipco_resume(struct ssb_chipcommon *cc);
+
++extern void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
++ u32 *plltype, u32 *n, u32 *m);
+ extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m);
+ extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
+@@ -378,6 +380,46 @@
+ extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
+ enum ssb_clkmode mode);
+
++/* GPIO functions */
++static inline u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc,
++ u32 mask)
++{
++ return ssb_read32(cc->dev, SSB_CHIPCO_GPIOIN) & mask;
++}
++
++static inline u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUT, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUTEN, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOCTL, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOIRQ, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOPOL, mask, value);
++}
++/* TODO: GPIO reservation */
++
++extern int ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks);
++
+ #ifdef CONFIG_SSB_SERIAL
+ extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
+ struct ssb_serial_port *ports);
+Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_extif.h
+===================================================================
+--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_extif.h 2007-06-10 16:44:47.000000000 +0100
++++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_extif.h 2007-06-24 20:07:15.000000000 +0100
+@@ -158,6 +158,36 @@
+ /* watchdog */
+ #define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */
+
++/* GPIO functions */
++static inline u32 ssb_extif_gpio_in(struct ssb_extif *extif,
++ u32 mask)
++{
++ return ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN) & mask;
++}
++
++static inline u32 ssb_extif_gpio_out(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUT(0), mask, value);
++}
++
++static inline u32 ssb_extif_gpio_outen(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUTEN(0), mask, value);
++}
++
++static inline u32 ssb_extif_gpio_polarity(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTPOL, mask, value);
++}
++
++static inline u32 ssb_extif_gpio_intmask(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTMASK, mask, value);
++}
+
+ #endif /* __KERNEL__ */
+ #endif /* LINUX_SSB_EXTIFCORE_H_ */
+Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_mips.h
+===================================================================
+--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_mips.h 2007-06-10 16:44:47.000000000 +0100
++++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_mips.h 2007-06-24 20:07:15.000000000 +0100
+@@ -22,11 +22,13 @@
+ int nr_serial_ports;
+ struct ssb_serial_port serial_ports[4];
+
++ int flash_buswidth;
+ u32 flash_window;
+ u32 flash_window_size;
+ };
+
+ extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
++extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore);
+
+ extern unsigned int ssb_mips_irq(struct ssb_device *dev);
+
+Index: linux-2.6.22-rc5/include/linux/ssb/ssb.h
+===================================================================
+--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb.h 2007-06-24 19:49:56.000000000 +0100
++++ linux-2.6.22-rc5/include/linux/ssb/ssb.h 2007-06-24 20:07:15.000000000 +0100
+@@ -270,6 +270,12 @@
+ #define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
+ #define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
+
++static inline u16 ssb_read16(struct ssb_device *dev, u16 offset);
++static inline u32 ssb_read32(struct ssb_device *dev, u16 offset);
++static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value);
++static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value);
++static inline u32 ssb_write32_masked(struct ssb_device *dev, u16 offset, u32 mask, u32 value);
++
+ #include <linux/ssb/ssb_driver_chipcommon.h>
+ #include <linux/ssb/ssb_driver_mips.h>
+ #include <linux/ssb/ssb_driver_extif.h>
+@@ -388,6 +394,16 @@
+ dev->ops->write32(dev, offset, value);
+ }
+
++static inline u32 ssb_write32_masked(struct ssb_device *dev,
++ u16 offset,
++ u32 mask,
++ u32 value)
++{
++ value &= mask;
++ value |= ssb_read32(dev, offset) & ~mask;
++ ssb_write32(dev, offset, value);
++ return value;
++}
+
+ /* Translation (routing) bits that need to be ORed to DMA
+ * addresses before they are given to a device. */
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-25 17:12:39 +0000