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[POWERPC] 8xx: platform related changes to the fsl_soc
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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>
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Vitaly Bordug authored and Paul Mackerras committed Feb 7, 2007
1 parent 5902ebc commit 88bdc6f
Showing 1 changed file with 272 additions and 2 deletions.
274 changes: 272 additions & 2 deletions arch/powerpc/sysdev/fsl_soc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,8 @@
#include <asm/cpm2.h>

extern void init_fcc_ioports(struct fs_platform_info*);
extern void init_scc_ioports(struct fs_uart_platform_info*);
extern void init_fec_ioports(struct fs_platform_info*);
extern void init_smc_ioports(struct fs_uart_platform_info*);
static phys_addr_t immrbase = -1;

phys_addr_t get_immrbase(void)
Expand All @@ -63,7 +64,7 @@ phys_addr_t get_immrbase(void)

EXPORT_SYMBOL(get_immrbase);

#ifdef CONFIG_CPM2
#if defined(CONFIG_CPM2) || defined(CONFIG_8xx)

static u32 brgfreq = -1;

Expand Down Expand Up @@ -544,6 +545,8 @@ arch_initcall(fsl_usb_of_init);

#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";
Expand Down Expand Up @@ -792,3 +795,270 @@ static int __init cpm_uart_of_init(void)

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(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;
unsigned int *id, *phy_addr;
void *mac_addr;
phandle *ph;
char *model;

memset(r, 0, sizeof(r));
memset(&fs_enet_data, 0, sizeof(fs_enet_data));

model = (char *)get_property(np, "model", NULL);
if (model == NULL) {
ret = -ENODEV;
goto unreg;
}

id = (u32 *) 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 = (void *)get_property(np, "mac-address", NULL);
memcpy(fs_enet_data.macaddr, mac_addr, 6);

ph = (phandle *) get_property(np, "phy-handle", NULL);
if (ph != NULL)
phy = of_find_node_by_phandle(*ph);

if (phy != NULL) {
phy_addr = (u32 *) 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 = (char*)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 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;
int *id;
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 = (char*)get_property(np, "model", NULL);
strcpy(cpm_uart_data.fs_type, model);

id = (int*)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 */

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