EXPORT_SYMBOL(get_immrbase);
+static u32 sysfreq = -1;
+
+u32 fsl_get_sys_freq(void)
+{
+ struct device_node *soc;
+ const u32 *prop;
+ int size;
+
+ if (sysfreq != -1)
+ return sysfreq;
+
+ soc = of_find_node_by_type(NULL, "soc");
+ if (!soc)
+ return -1;
+
+ prop = of_get_property(soc, "clock-frequency", &size);
+ if (!prop || size != sizeof(*prop) || *prop == 0)
+ prop = of_get_property(soc, "bus-frequency", &size);
+
+ if (prop && size == sizeof(*prop))
+ sysfreq = *prop;
+
+ of_node_put(soc);
+ return sysfreq;
+}
+EXPORT_SYMBOL(fsl_get_sys_freq);
+
#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx)
static u32 brgfreq = -1;
static int __init mpc83xx_wdt_init(void)
{
struct resource r;
- struct device_node *soc, *np;
+ struct device_node *np;
struct platform_device *dev;
- const unsigned int *freq;
+ u32 freq = fsl_get_sys_freq();
int ret;
np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
goto nodev;
}
- soc = of_find_node_by_type(NULL, "soc");
-
- if (!soc) {
- ret = -ENODEV;
- goto nosoc;
- }
-
- freq = of_get_property(soc, "bus-frequency", NULL);
- if (!freq) {
- ret = -ENODEV;
- goto err;
- }
-
memset(&r, 0, sizeof(r));
ret = of_address_to_resource(np, 0, &r);
goto err;
}
- ret = platform_device_add_data(dev, freq, sizeof(int));
+ ret = platform_device_add_data(dev, &freq, sizeof(freq));
if (ret)
goto unreg;
- of_node_put(soc);
of_node_put(np);
-
return 0;
unreg:
platform_device_unregister(dev);
err:
- of_node_put(soc);
-nosoc:
of_node_put(np);
nodev:
return ret;
arch_initcall(fsl_usb_of_init);
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-#ifdef CONFIG_CPM2
-
-extern void init_scc_ioports(struct fs_uart_platform_info*);
-
-static const char fcc_regs[] = "fcc_regs";
-static const char fcc_regs_c[] = "fcc_regs_c";
-static const char fcc_pram[] = "fcc_pram";
-static char bus_id[9][BUS_ID_SIZE];
-
-static int __init fs_enet_of_init(void)
-{
- struct device_node *np;
- unsigned int i;
- struct platform_device *fs_enet_dev;
- struct resource res;
- int ret;
-
- for (np = NULL, i = 0;
- (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
- i++) {
- struct resource r[4];
- struct device_node *phy, *mdio;
- struct fs_platform_info fs_enet_data;
- const unsigned int *id, *phy_addr, *phy_irq;
- const void *mac_addr;
- const phandle *ph;
- const char *model;
-
- memset(r, 0, sizeof(r));
- memset(&fs_enet_data, 0, sizeof(fs_enet_data));
-
- ret = of_address_to_resource(np, 0, &r[0]);
- if (ret)
- goto err;
- r[0].name = fcc_regs;
-
- ret = of_address_to_resource(np, 1, &r[1]);
- if (ret)
- goto err;
- r[1].name = fcc_pram;
-
- ret = of_address_to_resource(np, 2, &r[2]);
- if (ret)
- goto err;
- r[2].name = fcc_regs_c;
- fs_enet_data.fcc_regs_c = r[2].start;
-
- of_irq_to_resource(np, 0, &r[3]);
-
- fs_enet_dev =
- platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
-
- if (IS_ERR(fs_enet_dev)) {
- ret = PTR_ERR(fs_enet_dev);
- goto err;
- }
-
- model = of_get_property(np, "model", NULL);
- if (model == NULL) {
- ret = -ENODEV;
- goto unreg;
- }
-
- mac_addr = of_get_mac_address(np);
- if (mac_addr)
- memcpy(fs_enet_data.macaddr, mac_addr, 6);
-
- ph = of_get_property(np, "phy-handle", NULL);
- phy = of_find_node_by_phandle(*ph);
-
- if (phy == NULL) {
- ret = -ENODEV;
- goto unreg;
- }
-
- phy_addr = of_get_property(phy, "reg", NULL);
- fs_enet_data.phy_addr = *phy_addr;
-
- phy_irq = of_get_property(phy, "interrupts", NULL);
-
- id = of_get_property(np, "device-id", NULL);
- fs_enet_data.fs_no = *id;
- strcpy(fs_enet_data.fs_type, model);
-
- mdio = of_get_parent(phy);
- ret = of_address_to_resource(mdio, 0, &res);
- if (ret) {
- of_node_put(phy);
- of_node_put(mdio);
- goto unreg;
- }
-
- fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
- "rx-clock", NULL));
- fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
- "tx-clock", NULL));
-
- if (strstr(model, "FCC")) {
- int fcc_index = *id - 1;
- const unsigned char *mdio_bb_prop;
-
- fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
- fs_enet_data.rx_ring = 32;
- fs_enet_data.tx_ring = 32;
- fs_enet_data.rx_copybreak = 240;
- fs_enet_data.use_napi = 0;
- fs_enet_data.napi_weight = 17;
- fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
- fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
- fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
-
- snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
- (u32)res.start, fs_enet_data.phy_addr);
- fs_enet_data.bus_id = (char*)&bus_id[(*id)];
- fs_enet_data.init_ioports = init_fcc_ioports;
-
- mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
- if (mdio_bb_prop) {
- struct platform_device *fs_enet_mdio_bb_dev;
- struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
-
- fs_enet_mdio_bb_dev =
- platform_device_register_simple("fsl-bb-mdio",
- i, NULL, 0);
- memset(&fs_enet_mdio_bb_data, 0,
- sizeof(struct fs_mii_bb_platform_info));
- fs_enet_mdio_bb_data.mdio_dat.bit =
- mdio_bb_prop[0];
- fs_enet_mdio_bb_data.mdio_dir.bit =
- mdio_bb_prop[1];
- fs_enet_mdio_bb_data.mdc_dat.bit =
- mdio_bb_prop[2];
- fs_enet_mdio_bb_data.mdio_port =
- mdio_bb_prop[3];
- fs_enet_mdio_bb_data.mdc_port =
- mdio_bb_prop[4];
- fs_enet_mdio_bb_data.delay =
- mdio_bb_prop[5];
-
- fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
- fs_enet_mdio_bb_data.irq[1] = -1;
- fs_enet_mdio_bb_data.irq[2] = -1;
- fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
- fs_enet_mdio_bb_data.irq[31] = -1;
-
- fs_enet_mdio_bb_data.mdio_dat.offset =
- (u32)&cpm2_immr->im_ioport.iop_pdatc;
- fs_enet_mdio_bb_data.mdio_dir.offset =
- (u32)&cpm2_immr->im_ioport.iop_pdirc;
- fs_enet_mdio_bb_data.mdc_dat.offset =
- (u32)&cpm2_immr->im_ioport.iop_pdatc;
-
- ret = platform_device_add_data(
- fs_enet_mdio_bb_dev,
- &fs_enet_mdio_bb_data,
- sizeof(struct fs_mii_bb_platform_info));
- if (ret)
- goto unreg;
- }
-
- of_node_put(phy);
- of_node_put(mdio);
-
- ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
- sizeof(struct
- fs_platform_info));
- if (ret)
- goto unreg;
- }
- }
- return 0;
-
-unreg:
- platform_device_unregister(fs_enet_dev);
-err:
- return ret;
-}
-
-arch_initcall(fs_enet_of_init);
-
-static const char scc_regs[] = "regs";
-static const char scc_pram[] = "pram";
-
-static int __init cpm_uart_of_init(void)
-{
- struct device_node *np;
- unsigned int i;
- struct platform_device *cpm_uart_dev;
- int ret;
-
- for (np = NULL, i = 0;
- (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
- i++) {
- struct resource r[3];
- struct fs_uart_platform_info cpm_uart_data;
- const int *id;
- const char *model;
-
- memset(r, 0, sizeof(r));
- memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
-
- ret = of_address_to_resource(np, 0, &r[0]);
- if (ret)
- goto err;
-
- r[0].name = scc_regs;
-
- ret = of_address_to_resource(np, 1, &r[1]);
- if (ret)
- goto err;
- r[1].name = scc_pram;
-
- of_irq_to_resource(np, 0, &r[2]);
-
- cpm_uart_dev =
- platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
-
- if (IS_ERR(cpm_uart_dev)) {
- ret = PTR_ERR(cpm_uart_dev);
- goto err;
- }
-
- id = of_get_property(np, "device-id", NULL);
- cpm_uart_data.fs_no = *id;
-
- model = of_get_property(np, "model", NULL);
- strcpy(cpm_uart_data.fs_type, model);
-
- cpm_uart_data.uart_clk = ppc_proc_freq;
-
- cpm_uart_data.tx_num_fifo = 4;
- cpm_uart_data.tx_buf_size = 32;
- cpm_uart_data.rx_num_fifo = 4;
- cpm_uart_data.rx_buf_size = 32;
- cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
- "rx-clock", NULL));
- cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
- "tx-clock", NULL));
-
- ret =
- platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
- sizeof(struct
- fs_uart_platform_info));
- if (ret)
- goto unreg;
- }
-
- return 0;
-
-unreg:
- platform_device_unregister(cpm_uart_dev);
-err:
- return ret;
-}
-
-arch_initcall(cpm_uart_of_init);
-#endif /* CONFIG_CPM2 */
-
-#ifdef CONFIG_8xx
-
-extern void init_scc_ioports(struct fs_platform_info*);
-extern int platform_device_skip(const char *model, int id);
-
-static int __init fs_enet_mdio_of_init(void)
-{
- struct device_node *np;
- unsigned int i;
- struct platform_device *mdio_dev;
- struct resource res;
- int ret;
-
- for (np = NULL, i = 0;
- (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
- i++) {
- struct fs_mii_fec_platform_info mdio_data;
-
- memset(&res, 0, sizeof(res));
- memset(&mdio_data, 0, sizeof(mdio_data));
-
- ret = of_address_to_resource(np, 0, &res);
- if (ret)
- goto err;
-
- mdio_dev =
- platform_device_register_simple("fsl-cpm-fec-mdio",
- res.start, &res, 1);
- if (IS_ERR(mdio_dev)) {
- ret = PTR_ERR(mdio_dev);
- goto err;
- }
-
- mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
-
- ret =
- platform_device_add_data(mdio_dev, &mdio_data,
- sizeof(struct fs_mii_fec_platform_info));
- if (ret)
- goto unreg;
- }
- return 0;
-
-unreg:
- platform_device_unregister(mdio_dev);
-err:
- return ret;
-}
-
-arch_initcall(fs_enet_mdio_of_init);
-
-static const char *enet_regs = "regs";
-static const char *enet_pram = "pram";
-static const char *enet_irq = "interrupt";
-static char bus_id[9][BUS_ID_SIZE];
-
-static int __init fs_enet_of_init(void)
-{
- struct device_node *np;
- unsigned int i;
- struct platform_device *fs_enet_dev = NULL;
- struct resource res;
- int ret;
-
- for (np = NULL, i = 0;
- (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
- i++) {
- struct resource r[4];
- struct device_node *phy = NULL, *mdio = NULL;
- struct fs_platform_info fs_enet_data;
- const unsigned int *id;
- const unsigned int *phy_addr;
- const void *mac_addr;
- const phandle *ph;
- const char *model;
-
- memset(r, 0, sizeof(r));
- memset(&fs_enet_data, 0, sizeof(fs_enet_data));
-
- model = of_get_property(np, "model", NULL);
- if (model == NULL) {
- ret = -ENODEV;
- goto unreg;
- }
-
- id = of_get_property(np, "device-id", NULL);
- fs_enet_data.fs_no = *id;
-
- if (platform_device_skip(model, *id))
- continue;
-
- ret = of_address_to_resource(np, 0, &r[0]);
- if (ret)
- goto err;
- r[0].name = enet_regs;
-
- mac_addr = of_get_mac_address(np);
- if (mac_addr)
- memcpy(fs_enet_data.macaddr, mac_addr, 6);
-
- ph = of_get_property(np, "phy-handle", NULL);
- if (ph != NULL)
- phy = of_find_node_by_phandle(*ph);
-
- if (phy != NULL) {
- phy_addr = of_get_property(phy, "reg", NULL);
- fs_enet_data.phy_addr = *phy_addr;
- fs_enet_data.has_phy = 1;
-
- mdio = of_get_parent(phy);
- ret = of_address_to_resource(mdio, 0, &res);
- if (ret) {
- of_node_put(phy);
- of_node_put(mdio);
- goto unreg;
- }
- }
-
- model = of_get_property(np, "model", NULL);
- strcpy(fs_enet_data.fs_type, model);
-
- if (strstr(model, "FEC")) {
- r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
- r[1].flags = IORESOURCE_IRQ;
- r[1].name = enet_irq;
-
- fs_enet_dev =
- platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
-
- if (IS_ERR(fs_enet_dev)) {
- ret = PTR_ERR(fs_enet_dev);
- goto err;
- }
-
- fs_enet_data.rx_ring = 128;
- fs_enet_data.tx_ring = 16;
- fs_enet_data.rx_copybreak = 240;
- fs_enet_data.use_napi = 1;
- fs_enet_data.napi_weight = 17;
-
- snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
- (u32)res.start, fs_enet_data.phy_addr);
- fs_enet_data.bus_id = (char*)&bus_id[i];
- fs_enet_data.init_ioports = init_fec_ioports;
- }
- if (strstr(model, "SCC")) {
- ret = of_address_to_resource(np, 1, &r[1]);
- if (ret)
- goto err;
- r[1].name = enet_pram;
-
- r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
- r[2].flags = IORESOURCE_IRQ;
- r[2].name = enet_irq;
-
- fs_enet_dev =
- platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
-
- if (IS_ERR(fs_enet_dev)) {
- ret = PTR_ERR(fs_enet_dev);
- goto err;
- }
-
- fs_enet_data.rx_ring = 64;
- fs_enet_data.tx_ring = 8;
- fs_enet_data.rx_copybreak = 240;
- fs_enet_data.use_napi = 1;
- fs_enet_data.napi_weight = 17;
-
- snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
- fs_enet_data.bus_id = (char*)&bus_id[i];
- fs_enet_data.init_ioports = init_scc_ioports;
- }
-
- of_node_put(phy);
- of_node_put(mdio);
-
- ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
- sizeof(struct
- fs_platform_info));
- if (ret)
- goto unreg;
- }
- return 0;
-
-unreg:
- platform_device_unregister(fs_enet_dev);
-err:
- return ret;
-}
-
-arch_initcall(fs_enet_of_init);
-
-static int __init fsl_pcmcia_of_init(void)
-{
- struct device_node *np;
- /*
- * Register all the devices which type is "pcmcia"
- */
- for_each_compatible_node(np, "pcmcia", "fsl,pq-pcmcia")
- of_platform_device_create(np, "m8xx-pcmcia", NULL);
- return 0;
-}
-
-arch_initcall(fsl_pcmcia_of_init);
-
-static const char *smc_regs = "regs";
-static const char *smc_pram = "pram";
-
-static int __init cpm_smc_uart_of_init(void)
-{
- struct device_node *np;
- unsigned int i;
- struct platform_device *cpm_uart_dev;
- int ret;
-
- for (np = NULL, i = 0;
- (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
- i++) {
- struct resource r[3];
- struct fs_uart_platform_info cpm_uart_data;
- const int *id;
- const char *model;
-
- memset(r, 0, sizeof(r));
- memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
-
- ret = of_address_to_resource(np, 0, &r[0]);
- if (ret)
- goto err;
-
- r[0].name = smc_regs;
-
- ret = of_address_to_resource(np, 1, &r[1]);
- if (ret)
- goto err;
- r[1].name = smc_pram;
-
- r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
- r[2].flags = IORESOURCE_IRQ;
-
- cpm_uart_dev =
- platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
-
- if (IS_ERR(cpm_uart_dev)) {
- ret = PTR_ERR(cpm_uart_dev);
- goto err;
- }
-
- model = of_get_property(np, "model", NULL);
- strcpy(cpm_uart_data.fs_type, model);
-
- id = of_get_property(np, "device-id", NULL);
- cpm_uart_data.fs_no = *id;
- cpm_uart_data.uart_clk = ppc_proc_freq;
-
- cpm_uart_data.tx_num_fifo = 4;
- cpm_uart_data.tx_buf_size = 32;
- cpm_uart_data.rx_num_fifo = 4;
- cpm_uart_data.rx_buf_size = 32;
-
- ret =
- platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
- sizeof(struct
- fs_uart_platform_info));
- if (ret)
- goto unreg;
- }
-
- return 0;
-
-unreg:
- platform_device_unregister(cpm_uart_dev);
-err:
- return ret;
-}
-
-arch_initcall(cpm_smc_uart_of_init);
-
-#endif /* CONFIG_8xx */
-#endif /* CONFIG_PPC_CPM_NEW_BINDING */
-
static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk,
struct spi_board_info *board_infos,
unsigned int num_board_infos,
sysclk = get_brgfreq();
#endif
if (sysclk == -1) {
- struct device_node *np;
- const u32 *freq;
- int size;
-
- np = of_find_node_by_type(NULL, "soc");
- if (!np)
+ sysclk = fsl_get_sys_freq();
+ if (sysclk == -1)
return -ENODEV;
-
- freq = of_get_property(np, "clock-frequency", &size);
- if (!freq || size != sizeof(*freq) || *freq == 0) {
- freq = of_get_property(np, "bus-frequency", &size);
- if (!freq || size != sizeof(*freq) || *freq == 0) {
- of_node_put(np);
- return -ENODEV;
- }
- }
-
- sysclk = *freq;
- of_node_put(np);
}
ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos,
projects / linux-2.6-block.git / blobdiff