diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 11:55:27 +1000 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 11:55:27 +1000 |
commit | 5b0504c0d795d6b0a904ff861c043d7a231f67a4 (patch) | |
tree | c988e8b614c55d0dae2be4b750a03eb0a4f4d355 /arch/powerpc/sysdev | |
parent | 930074b6b9c4895d20cdadba5aff97907e28728d (diff) | |
parent | 77a76369475801ab8cbb338b9d8cfa92a491badb (diff) |
Merge commit 'gcl/gcl-next'
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/bestcomm/bestcomm.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/bestcomm/gen_bd.c | 95 | ||||
-rw-r--r-- | arch/powerpc/sysdev/bestcomm/gen_bd.h | 5 | ||||
-rw-r--r-- | arch/powerpc/sysdev/bestcomm/sram.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 133 |
5 files changed, 102 insertions, 135 deletions
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c index 64ec7d62936..446c9ea85b3 100644 --- a/arch/powerpc/sysdev/bestcomm/bestcomm.c +++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c @@ -443,7 +443,7 @@ mpc52xx_bcom_probe(struct of_device *op, const struct of_device_id *match) /* Done ! */ printk(KERN_INFO "DMA: MPC52xx BestComm engine @%08lx ok !\n", - bcom_eng->regs_base); + (long)bcom_eng->regs_base); return 0; diff --git a/arch/powerpc/sysdev/bestcomm/gen_bd.c b/arch/powerpc/sysdev/bestcomm/gen_bd.c index 8d33eafbb3f..a3a134c35b0 100644 --- a/arch/powerpc/sysdev/bestcomm/gen_bd.c +++ b/arch/powerpc/sysdev/bestcomm/gen_bd.c @@ -20,6 +20,7 @@ #include <asm/io.h> #include <asm/mpc52xx.h> +#include <asm/mpc52xx_psc.h> #include "bestcomm.h" #include "bestcomm_priv.h" @@ -253,6 +254,100 @@ bcom_gen_bd_tx_release(struct bcom_task *tsk) } EXPORT_SYMBOL_GPL(bcom_gen_bd_tx_release); +/* --------------------------------------------------------------------- + * PSC support code + */ + +/** + * bcom_psc_parameters - Bestcomm initialization value table for PSC devices + * + * This structure is only used internally. It is a lookup table for PSC + * specific parameters to bestcomm tasks. + */ +static struct bcom_psc_params { + int rx_initiator; + int rx_ipr; + int tx_initiator; + int tx_ipr; +} bcom_psc_params[] = { + [0] = { + .rx_initiator = BCOM_INITIATOR_PSC1_RX, + .rx_ipr = BCOM_IPR_PSC1_RX, + .tx_initiator = BCOM_INITIATOR_PSC1_TX, + .tx_ipr = BCOM_IPR_PSC1_TX, + }, + [1] = { + .rx_initiator = BCOM_INITIATOR_PSC2_RX, + .rx_ipr = BCOM_IPR_PSC2_RX, + .tx_initiator = BCOM_INITIATOR_PSC2_TX, + .tx_ipr = BCOM_IPR_PSC2_TX, + }, + [2] = { + .rx_initiator = BCOM_INITIATOR_PSC3_RX, + .rx_ipr = BCOM_IPR_PSC3_RX, + .tx_initiator = BCOM_INITIATOR_PSC3_TX, + .tx_ipr = BCOM_IPR_PSC3_TX, + }, + [3] = { + .rx_initiator = BCOM_INITIATOR_PSC4_RX, + .rx_ipr = BCOM_IPR_PSC4_RX, + .tx_initiator = BCOM_INITIATOR_PSC4_TX, + .tx_ipr = BCOM_IPR_PSC4_TX, + }, + [4] = { + .rx_initiator = BCOM_INITIATOR_PSC5_RX, + .rx_ipr = BCOM_IPR_PSC5_RX, + .tx_initiator = BCOM_INITIATOR_PSC5_TX, + .tx_ipr = BCOM_IPR_PSC5_TX, + }, + [5] = { + .rx_initiator = BCOM_INITIATOR_PSC6_RX, + .rx_ipr = BCOM_IPR_PSC6_RX, + .tx_initiator = BCOM_INITIATOR_PSC6_TX, + .tx_ipr = BCOM_IPR_PSC6_TX, + }, +}; + +/** + * bcom_psc_gen_bd_rx_init - Allocate a receive bcom_task for a PSC port + * @psc_num: Number of the PSC to allocate a task for + * @queue_len: number of buffer descriptors to allocate for the task + * @fifo: physical address of FIFO register + * @maxbufsize: Maximum receive data size in bytes. + * + * Allocate a bestcomm task structure for receiving data from a PSC. + */ +struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len, + phys_addr_t fifo, int maxbufsize) +{ + if (psc_num >= MPC52xx_PSC_MAXNUM) + return NULL; + + return bcom_gen_bd_rx_init(queue_len, fifo, + bcom_psc_params[psc_num].rx_initiator, + bcom_psc_params[psc_num].rx_ipr, + maxbufsize); +} +EXPORT_SYMBOL_GPL(bcom_psc_gen_bd_rx_init); + +/** + * bcom_psc_gen_bd_tx_init - Allocate a transmit bcom_task for a PSC port + * @psc_num: Number of the PSC to allocate a task for + * @queue_len: number of buffer descriptors to allocate for the task + * @fifo: physical address of FIFO register + * + * Allocate a bestcomm task structure for transmitting data to a PSC. + */ +struct bcom_task * +bcom_psc_gen_bd_tx_init(unsigned psc_num, int queue_len, phys_addr_t fifo) +{ + struct psc; + return bcom_gen_bd_tx_init(queue_len, fifo, + bcom_psc_params[psc_num].tx_initiator, + bcom_psc_params[psc_num].tx_ipr); +} +EXPORT_SYMBOL_GPL(bcom_psc_gen_bd_tx_init); + MODULE_DESCRIPTION("BestComm General Buffer Descriptor tasks driver"); MODULE_AUTHOR("Jeff Gibbons <jeff.gibbons@appspec.com>"); diff --git a/arch/powerpc/sysdev/bestcomm/gen_bd.h b/arch/powerpc/sysdev/bestcomm/gen_bd.h index 5b6fa803c6a..de47260e69d 100644 --- a/arch/powerpc/sysdev/bestcomm/gen_bd.h +++ b/arch/powerpc/sysdev/bestcomm/gen_bd.h @@ -44,5 +44,10 @@ extern void bcom_gen_bd_tx_release(struct bcom_task *tsk); +/* PSC support utility wrappers */ +struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len, + phys_addr_t fifo, int maxbufsize); +struct bcom_task * bcom_psc_gen_bd_tx_init(unsigned psc_num, int queue_len, + phys_addr_t fifo); #endif /* __BESTCOMM_GEN_BD_H__ */ diff --git a/arch/powerpc/sysdev/bestcomm/sram.c b/arch/powerpc/sysdev/bestcomm/sram.c index 99784383a84..5d74ef7a651 100644 --- a/arch/powerpc/sysdev/bestcomm/sram.c +++ b/arch/powerpc/sysdev/bestcomm/sram.c @@ -86,7 +86,7 @@ int bcom_sram_init(struct device_node *sram_node, char *owner) if (!bcom_sram->base_virt) { printk(KERN_ERR "%s: bcom_sram_init: " "Map error SRAM zone 0x%08lx (0x%0x)!\n", - owner, bcom_sram->base_phys, bcom_sram->size ); + owner, (long)bcom_sram->base_phys, bcom_sram->size ); rv = -ENOMEM; goto error_release; } diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index ca54563d5c7..ebcec7362f9 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -414,139 +414,6 @@ err: arch_initcall(gfar_of_init); -#ifdef CONFIG_I2C_BOARDINFO -#include <linux/i2c.h> -struct i2c_driver_device { - char *of_device; - char *i2c_type; -}; - -static struct i2c_driver_device i2c_devices[] __initdata = { - {"ricoh,rs5c372a", "rs5c372a"}, - {"ricoh,rs5c372b", "rs5c372b"}, - {"ricoh,rv5c386", "rv5c386"}, - {"ricoh,rv5c387a", "rv5c387a"}, - {"dallas,ds1307", "ds1307"}, - {"dallas,ds1337", "ds1337"}, - {"dallas,ds1338", "ds1338"}, - {"dallas,ds1339", "ds1339"}, - {"dallas,ds1340", "ds1340"}, - {"stm,m41t00", "m41t00"}, - {"dallas,ds1374", "ds1374"}, - {"cirrus,cs4270", "cs4270"}, -}; - -static int __init of_find_i2c_driver(struct device_node *node, - struct i2c_board_info *info) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) { - if (!of_device_is_compatible(node, i2c_devices[i].of_device)) - continue; - if (strlcpy(info->type, i2c_devices[i].i2c_type, - I2C_NAME_SIZE) >= I2C_NAME_SIZE) - return -ENOMEM; - return 0; - } - - pr_warning("fsl_soc.c: unrecognized i2c node %s\n", - (const char *) of_get_property(node, "compatible", NULL)); - - return -ENODEV; -} - -static void __init of_register_i2c_devices(struct device_node *adap_node, - int bus_num) -{ - struct device_node *node = NULL; - - while ((node = of_get_next_child(adap_node, node))) { - struct i2c_board_info info = {}; - const u32 *addr; - int len; - - addr = of_get_property(node, "reg", &len); - if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) { - printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n"); - continue; - } - - info.irq = irq_of_parse_and_map(node, 0); - if (info.irq == NO_IRQ) - info.irq = -1; - - if (of_find_i2c_driver(node, &info) < 0) - continue; - - info.addr = *addr; - - i2c_register_board_info(bus_num, &info, 1); - } -} - -static int __init fsl_i2c_of_init(void) -{ - struct device_node *np; - unsigned int i = 0; - struct platform_device *i2c_dev; - int ret; - - for_each_compatible_node(np, NULL, "fsl-i2c") { - struct resource r[2]; - struct fsl_i2c_platform_data i2c_data; - const unsigned char *flags = NULL; - int idx; - const u32 *iprop; - - memset(&r, 0, sizeof(r)); - memset(&i2c_data, 0, sizeof(i2c_data)); - - ret = of_address_to_resource(np, 0, &r[0]); - if (ret) - goto err; - - of_irq_to_resource(np, 0, &r[1]); - - iprop = of_get_property(np, "cell-index", NULL); - idx = iprop ? *iprop : i; - - i2c_dev = platform_device_register_simple("fsl-i2c", idx, r, 2); - if (IS_ERR(i2c_dev)) { - ret = PTR_ERR(i2c_dev); - goto err; - } - - i2c_data.device_flags = 0; - flags = of_get_property(np, "dfsrr", NULL); - if (flags) - i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR; - - flags = of_get_property(np, "fsl5200-clocking", NULL); - if (flags) - i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200; - - ret = - platform_device_add_data(i2c_dev, &i2c_data, - sizeof(struct - fsl_i2c_platform_data)); - if (ret) - goto unreg; - - of_register_i2c_devices(np, idx); - i++; - } - - return 0; - -unreg: - platform_device_unregister(i2c_dev); -err: - return ret; -} - -arch_initcall(fsl_i2c_of_init); -#endif #ifdef CONFIG_PPC_83xx static int __init mpc83xx_wdt_init(void) |