[POWERPC] 8xx: platform related changes to the fsl_soc
Added 8xx SoC peripherials: fec for Ethernet and smc for UARTs. Ordinary routines to extract values from the device tree and insert respective platform devices Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Vitaly Bordug
Paul Mackerras
parent
5902ebce22
commit
88bdc6f061
@ -38,7 +38,8 @@
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#include <asm/cpm2.h>
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extern void init_fcc_ioports(struct fs_platform_info*);
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extern void init_scc_ioports(struct fs_uart_platform_info*);
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extern void init_fec_ioports(struct fs_platform_info*);
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extern void init_smc_ioports(struct fs_uart_platform_info*);
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static phys_addr_t immrbase = -1;
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phys_addr_t get_immrbase(void)
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@ -63,7 +64,7 @@ phys_addr_t get_immrbase(void)
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EXPORT_SYMBOL(get_immrbase);
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#ifdef CONFIG_CPM2
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#if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
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static u32 brgfreq = -1;
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@ -544,6 +545,8 @@ arch_initcall(fsl_usb_of_init);
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#ifdef CONFIG_CPM2
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extern void init_scc_ioports(struct fs_uart_platform_info*);
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static const char fcc_regs[] = "fcc_regs";
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static const char fcc_regs_c[] = "fcc_regs_c";
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static const char fcc_pram[] = "fcc_pram";
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@ -792,3 +795,270 @@ static int __init cpm_uart_of_init(void)
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arch_initcall(cpm_uart_of_init);
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#endif /* CONFIG_CPM2 */
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#ifdef CONFIG_8xx
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extern void init_scc_ioports(struct fs_platform_info*);
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extern int platform_device_skip(char *model, int id);
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static int __init fs_enet_mdio_of_init(void)
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{
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struct device_node *np;
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unsigned int i;
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struct platform_device *mdio_dev;
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struct resource res;
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int ret;
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
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i++) {
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struct fs_mii_fec_platform_info mdio_data;
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memset(&res, 0, sizeof(res));
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memset(&mdio_data, 0, sizeof(mdio_data));
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ret = of_address_to_resource(np, 0, &res);
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if (ret)
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goto err;
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mdio_dev =
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platform_device_register_simple("fsl-cpm-fec-mdio",
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res.start, &res, 1);
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if (IS_ERR(mdio_dev)) {
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ret = PTR_ERR(mdio_dev);
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goto err;
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}
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mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
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ret =
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platform_device_add_data(mdio_dev, &mdio_data,
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sizeof(struct fs_mii_fec_platform_info));
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if (ret)
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goto unreg;
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}
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return 0;
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unreg:
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platform_device_unregister(mdio_dev);
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err:
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return ret;
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}
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arch_initcall(fs_enet_mdio_of_init);
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static const char *enet_regs = "regs";
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static const char *enet_pram = "pram";
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static const char *enet_irq = "interrupt";
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static char bus_id[9][BUS_ID_SIZE];
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static int __init fs_enet_of_init(void)
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{
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struct device_node *np;
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unsigned int i;
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struct platform_device *fs_enet_dev = NULL;
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struct resource res;
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int ret;
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
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i++) {
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struct resource r[4];
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struct device_node *phy = NULL, *mdio = NULL;
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struct fs_platform_info fs_enet_data;
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unsigned int *id, *phy_addr;
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void *mac_addr;
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phandle *ph;
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char *model;
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memset(r, 0, sizeof(r));
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memset(&fs_enet_data, 0, sizeof(fs_enet_data));
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model = (char *)get_property(np, "model", NULL);
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if (model == NULL) {
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ret = -ENODEV;
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goto unreg;
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}
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id = (u32 *) get_property(np, "device-id", NULL);
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fs_enet_data.fs_no = *id;
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if (platform_device_skip(model, *id))
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continue;
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ret = of_address_to_resource(np, 0, &r[0]);
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if (ret)
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goto err;
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r[0].name = enet_regs;
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mac_addr = (void *)get_property(np, "mac-address", NULL);
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memcpy(fs_enet_data.macaddr, mac_addr, 6);
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ph = (phandle *) get_property(np, "phy-handle", NULL);
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if (ph != NULL)
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phy = of_find_node_by_phandle(*ph);
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if (phy != NULL) {
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phy_addr = (u32 *) get_property(phy, "reg", NULL);
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fs_enet_data.phy_addr = *phy_addr;
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fs_enet_data.has_phy = 1;
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mdio = of_get_parent(phy);
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ret = of_address_to_resource(mdio, 0, &res);
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if (ret) {
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of_node_put(phy);
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of_node_put(mdio);
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goto unreg;
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}
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}
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model = (char*)get_property(np, "model", NULL);
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strcpy(fs_enet_data.fs_type, model);
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if (strstr(model, "FEC")) {
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r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
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r[1].flags = IORESOURCE_IRQ;
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r[1].name = enet_irq;
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fs_enet_dev =
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platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
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if (IS_ERR(fs_enet_dev)) {
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ret = PTR_ERR(fs_enet_dev);
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goto err;
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}
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fs_enet_data.rx_ring = 128;
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fs_enet_data.tx_ring = 16;
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fs_enet_data.rx_copybreak = 240;
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fs_enet_data.use_napi = 1;
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fs_enet_data.napi_weight = 17;
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snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
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(u32)res.start, fs_enet_data.phy_addr);
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fs_enet_data.bus_id = (char*)&bus_id[i];
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fs_enet_data.init_ioports = init_fec_ioports;
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}
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if (strstr(model, "SCC")) {
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ret = of_address_to_resource(np, 1, &r[1]);
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if (ret)
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goto err;
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r[1].name = enet_pram;
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r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
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r[2].flags = IORESOURCE_IRQ;
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r[2].name = enet_irq;
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fs_enet_dev =
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platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
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if (IS_ERR(fs_enet_dev)) {
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ret = PTR_ERR(fs_enet_dev);
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goto err;
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}
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fs_enet_data.rx_ring = 64;
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fs_enet_data.tx_ring = 8;
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fs_enet_data.rx_copybreak = 240;
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fs_enet_data.use_napi = 1;
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fs_enet_data.napi_weight = 17;
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snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
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fs_enet_data.bus_id = (char*)&bus_id[i];
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fs_enet_data.init_ioports = init_scc_ioports;
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}
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of_node_put(phy);
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of_node_put(mdio);
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ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
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sizeof(struct
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fs_platform_info));
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if (ret)
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goto unreg;
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}
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return 0;
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unreg:
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platform_device_unregister(fs_enet_dev);
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err:
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return ret;
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}
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arch_initcall(fs_enet_of_init);
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static const char *smc_regs = "regs";
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static const char *smc_pram = "pram";
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static int __init cpm_smc_uart_of_init(void)
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{
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struct device_node *np;
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unsigned int i;
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struct platform_device *cpm_uart_dev;
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int ret;
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
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i++) {
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struct resource r[3];
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struct fs_uart_platform_info cpm_uart_data;
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int *id;
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char *model;
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memset(r, 0, sizeof(r));
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memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
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ret = of_address_to_resource(np, 0, &r[0]);
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if (ret)
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goto err;
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r[0].name = smc_regs;
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ret = of_address_to_resource(np, 1, &r[1]);
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if (ret)
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goto err;
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r[1].name = smc_pram;
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r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
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r[2].flags = IORESOURCE_IRQ;
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cpm_uart_dev =
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platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
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if (IS_ERR(cpm_uart_dev)) {
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ret = PTR_ERR(cpm_uart_dev);
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goto err;
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}
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model = (char*)get_property(np, "model", NULL);
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strcpy(cpm_uart_data.fs_type, model);
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id = (int*)get_property(np, "device-id", NULL);
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cpm_uart_data.fs_no = *id;
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cpm_uart_data.uart_clk = ppc_proc_freq;
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cpm_uart_data.tx_num_fifo = 4;
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cpm_uart_data.tx_buf_size = 32;
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cpm_uart_data.rx_num_fifo = 4;
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cpm_uart_data.rx_buf_size = 32;
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ret =
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platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
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sizeof(struct
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fs_uart_platform_info));
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if (ret)
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goto unreg;
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}
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return 0;
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unreg:
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platform_device_unregister(cpm_uart_dev);
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err:
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return ret;
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}
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arch_initcall(cpm_smc_uart_of_init);
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#endif /* CONFIG_8xx */
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