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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-14 10:11:38 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-14 10:11:38 +1100
commit1263965f298af611d4992165242202eb194db1c1 (patch)
tree625cbd9be60127a70619833e4e5f25a349d228da /arch/powerpc/sysdev
parent5006d1aae813727cc77cc56cca9e90ef748650ce (diff)
parentc0da99d5f7b0349cb11f970b3283c0d57beb5ec9 (diff)
Merge commit 'kumar/kumar-next'
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r--arch/powerpc/sysdev/fsl_lbc.c53
-rw-r--r--arch/powerpc/sysdev/fsl_pci.c58
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c38
-rw-r--r--arch/powerpc/sysdev/fsl_soc.h8
-rw-r--r--arch/powerpc/sysdev/qe_lib/Kconfig9
5 files changed, 87 insertions, 79 deletions
diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c
index 422c8faef593..0494ee55920f 100644
--- a/arch/powerpc/sysdev/fsl_lbc.c
+++ b/arch/powerpc/sysdev/fsl_lbc.c
@@ -11,14 +11,19 @@
* (at your option) any later version.
*/
+#include <linux/init.h>
+#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <linux/io.h>
#include <linux/of.h>
+#include <asm/prom.h>
#include <asm/fsl_lbc.h>
-spinlock_t fsl_lbc_lock = __SPIN_LOCK_UNLOCKED(fsl_lbc_lock);
-
-struct fsl_lbc_regs __iomem *fsl_lbc_regs;
-EXPORT_SYMBOL(fsl_lbc_regs);
+static spinlock_t fsl_lbc_lock = __SPIN_LOCK_UNLOCKED(fsl_lbc_lock);
+static struct fsl_lbc_regs __iomem *fsl_lbc_regs;
static char __initdata *compat_lbc[] = {
"fsl,pq2-localbus",
@@ -127,3 +132,43 @@ int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm)
return 0;
}
EXPORT_SYMBOL(fsl_upm_find);
+
+/**
+ * fsl_upm_run_pattern - actually run an UPM pattern
+ * @upm: pointer to the fsl_upm structure obtained via fsl_upm_find
+ * @io_base: remapped pointer to where memory access should happen
+ * @mar: MAR register content during pattern execution
+ *
+ * This function triggers dummy write to the memory specified by the io_base,
+ * thus UPM pattern actually executed. Note that mar usage depends on the
+ * pre-programmed AMX bits in the UPM RAM.
+ */
+int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base, u32 mar)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fsl_lbc_lock, flags);
+
+ out_be32(&fsl_lbc_regs->mar, mar << (32 - upm->width));
+
+ switch (upm->width) {
+ case 8:
+ out_8(io_base, 0x0);
+ break;
+ case 16:
+ out_be16(io_base, 0x0);
+ break;
+ case 32:
+ out_be32(io_base, 0x0);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ spin_unlock_irqrestore(&fsl_lbc_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(fsl_upm_run_pattern);
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 61e6d77efa4f..5b264eb4b1f7 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -1,7 +1,7 @@
/*
- * MPC85xx/86xx PCI/PCIE support routing.
+ * MPC83xx/85xx/86xx PCI/PCIE support routing.
*
- * Copyright 2007 Freescale Semiconductor, Inc
+ * Copyright 2007,2008 Freescale Semiconductor, Inc
*
* Initial author: Xianghua Xiao <x.xiao@freescale.com>
* Recode: ZHANG WEI <wei.zhang@freescale.com>
@@ -251,20 +251,47 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8610, quirk_fsl_pcie_header);
#endif /* CONFIG_PPC_85xx || CONFIG_PPC_86xx */
-#if defined(CONFIG_PPC_83xx)
+#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x)
int __init mpc83xx_add_bridge(struct device_node *dev)
{
int len;
struct pci_controller *hose;
- struct resource rsrc;
+ struct resource rsrc_reg;
+ struct resource rsrc_cfg;
const int *bus_range;
- int primary = 1, has_address = 0;
- phys_addr_t immr = get_immrbase();
+ int primary;
pr_debug("Adding PCI host bridge %s\n", dev->full_name);
/* Fetch host bridge registers address */
- has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
+ if (of_address_to_resource(dev, 0, &rsrc_reg)) {
+ printk(KERN_WARNING "Can't get pci register base!\n");
+ return -ENOMEM;
+ }
+
+ memset(&rsrc_cfg, 0, sizeof(rsrc_cfg));
+
+ if (of_address_to_resource(dev, 1, &rsrc_cfg)) {
+ printk(KERN_WARNING
+ "No pci config register base in dev tree, "
+ "using default\n");
+ /*
+ * MPC83xx supports up to two host controllers
+ * one at 0x8500 has config space registers at 0x8300
+ * one at 0x8600 has config space registers at 0x8380
+ */
+ if ((rsrc_reg.start & 0xfffff) == 0x8500)
+ rsrc_cfg.start = (rsrc_reg.start & 0xfff00000) + 0x8300;
+ else if ((rsrc_reg.start & 0xfffff) == 0x8600)
+ rsrc_cfg.start = (rsrc_reg.start & 0xfff00000) + 0x8380;
+ }
+ /*
+ * Controller at offset 0x8500 is primary
+ */
+ if ((rsrc_reg.start & 0xfffff) == 0x8500)
+ primary = 1;
+ else
+ primary = 0;
/* Get bus range if any */
bus_range = of_get_property(dev, "bus-range", &len);
@@ -281,22 +308,11 @@ int __init mpc83xx_add_bridge(struct device_node *dev)
hose->first_busno = bus_range ? bus_range[0] : 0;
hose->last_busno = bus_range ? bus_range[1] : 0xff;
- /* MPC83xx supports up to two host controllers one at 0x8500 from immrbar
- * the other at 0x8600, we consider the 0x8500 the primary controller
- */
- /* PCI 1 */
- if ((rsrc.start & 0xfffff) == 0x8500) {
- setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304, 0);
- }
- /* PCI 2 */
- if ((rsrc.start & 0xfffff) == 0x8600) {
- setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384, 0);
- primary = 0;
- }
+ setup_indirect_pci(hose, rsrc_cfg.start, rsrc_cfg.start + 4, 0);
- printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. "
+ printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx. "
"Firmware bus number: %d->%d\n",
- (unsigned long long)rsrc.start, hose->first_busno,
+ (unsigned long long)rsrc_reg.start, hose->first_busno,
hose->last_busno);
pr_debug(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index eeb07007c753..01b884b25696 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -720,42 +720,6 @@ void fsl_rstcr_restart(char *cmd)
#endif
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
-struct platform_diu_data_ops diu_ops = {
- .diu_size = 1280 * 1024 * 4, /* default one 1280x1024 buffer */
-};
+struct platform_diu_data_ops diu_ops;
EXPORT_SYMBOL(diu_ops);
-
-int __init preallocate_diu_videomemory(void)
-{
- pr_debug("diu_size=%lu\n", diu_ops.diu_size);
-
- diu_ops.diu_mem = __alloc_bootmem(diu_ops.diu_size, 8, 0);
- if (!diu_ops.diu_mem) {
- printk(KERN_ERR "fsl-diu: cannot allocate %lu bytes\n",
- diu_ops.diu_size);
- return -ENOMEM;
- }
-
- pr_debug("diu_mem=%p\n", diu_ops.diu_mem);
-
- rh_init(&diu_ops.diu_rh_info, 4096, ARRAY_SIZE(diu_ops.diu_rh_block),
- diu_ops.diu_rh_block);
- return rh_attach_region(&diu_ops.diu_rh_info,
- (unsigned long) diu_ops.diu_mem,
- diu_ops.diu_size);
-}
-
-static int __init early_parse_diufb(char *p)
-{
- if (!p)
- return 1;
-
- diu_ops.diu_size = _ALIGN_UP(memparse(p, &p), 8);
-
- pr_debug("diu_size=%lu\n", diu_ops.diu_size);
-
- return 0;
-}
-early_param("diufb", early_parse_diufb);
-
#endif
diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h
index 024299887352..60f7f227327c 100644
--- a/arch/powerpc/sysdev/fsl_soc.h
+++ b/arch/powerpc/sysdev/fsl_soc.h
@@ -20,14 +20,7 @@ extern int fsl_spi_init(struct spi_board_info *board_infos,
extern void fsl_rstcr_restart(char *cmd);
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
-#include <linux/bootmem.h>
-#include <asm/rheap.h>
struct platform_diu_data_ops {
- rh_block_t diu_rh_block[16];
- rh_info_t diu_rh_info;
- unsigned long diu_size;
- void *diu_mem;
-
unsigned int (*get_pixel_format) (unsigned int bits_per_pixel,
int monitor_port);
void (*set_gamma_table) (int monitor_port, char *gamma_table_base);
@@ -38,7 +31,6 @@ struct platform_diu_data_ops {
};
extern struct platform_diu_data_ops diu_ops;
-int __init preallocate_diu_videomemory(void);
#endif
#endif
diff --git a/arch/powerpc/sysdev/qe_lib/Kconfig b/arch/powerpc/sysdev/qe_lib/Kconfig
index 1ce546462be5..76ffbc48d4b9 100644
--- a/arch/powerpc/sysdev/qe_lib/Kconfig
+++ b/arch/powerpc/sysdev/qe_lib/Kconfig
@@ -24,12 +24,3 @@ config QE_USB
bool
help
QE USB Host Controller support
-
-config QE_GPIO
- bool "QE GPIO support"
- depends on QUICC_ENGINE
- select GENERIC_GPIO
- select ARCH_REQUIRE_GPIOLIB
- help
- Say Y here if you're going to use hardware that connects to the
- QE GPIOs.