Instead of allocating space in the driver for the serdes specification table, just allow the board file to set a pointer to it. Also, allow the board to only specify the lanes that are used instead of including unused lanes.
Signed-off-by: Kevin Smith kevin.smith@elecsyscorp.com Cc: Stefan Roese sr@denx.de Cc: Dirk Eibach eibach@gdsys.de Cc: Luka Perkov luka.perkov@sartura.hr --- arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c | 13 ++-- arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h | 2 +- .../mach-mvebu/serdes/a38x/high_speed_env_spec.c | 77 +++++++++++----------- .../mach-mvebu/serdes/a38x/high_speed_env_spec.h | 8 +-- board/Marvell/db-88f6820-gp/db-88f6820-gp.c | 5 +- 5 files changed, 51 insertions(+), 54 deletions(-)
diff --git a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c index 9947412..06a7715 100644 --- a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c +++ b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.c @@ -13,17 +13,16 @@ #include "ctrl_pex.h" #include "sys_env_lib.h"
-int hws_pex_config(const struct serdes_map *serdes_map) +int hws_pex_config(const struct serdes_map *serdes_map, u8 count) { u32 pex_idx, tmp, next_busno, first_busno, temp_pex_reg, temp_reg, addr, dev_id, ctrl_mode; enum serdes_type serdes_type; - u32 idx, max_lane_num; + u32 idx;
DEBUG_INIT_FULL_S("\n### hws_pex_config ###\n");
- max_lane_num = hws_serdes_get_max_lane(); - for (idx = 0; idx < max_lane_num; idx++) { + for (idx = 0; idx < count; idx++) { serdes_type = serdes_map[idx].serdes_type; /* configuration for PEX only */ if ((serdes_type != PEX0) && (serdes_type != PEX1) && @@ -47,7 +46,7 @@ int hws_pex_config(const struct serdes_map *serdes_map) tmp = reg_read(SOC_CTRL_REG); tmp &= ~0x03;
- for (idx = 0; idx < max_lane_num; idx++) { + for (idx = 0; idx < count; idx++) { serdes_type = serdes_map[idx].serdes_type; if ((serdes_type != PEX0) && ((serdes_map[idx].serdes_mode == PEX_ROOT_COMPLEX_X4) || @@ -81,7 +80,7 @@ int hws_pex_config(const struct serdes_map *serdes_map) next_busno = 0; mdelay(150);
- for (idx = 0; idx < max_lane_num; idx++) { + for (idx = 0; idx < count; idx++) { serdes_type = serdes_map[idx].serdes_type; DEBUG_INIT_FULL_S(" serdes_type=0x"); DEBUG_INIT_FULL_D(serdes_type, 8); @@ -191,7 +190,7 @@ int hws_pex_config(const struct serdes_map *serdes_map) /* Update pex DEVICE ID */ ctrl_mode = sys_env_model_get();
- for (idx = 0; idx < max_lane_num; idx++) { + for (idx = 0; idx < count; idx++) { serdes_type = serdes_map[idx].serdes_type; /* configuration for PEX only */ if ((serdes_type != PEX0) && (serdes_type != PEX1) && diff --git a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h index 16ee4cb..5f7e2c7 100644 --- a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h +++ b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h @@ -78,7 +78,7 @@ #define PEX_STATUS_AND_COMMAND 0x004 #define PXSAC_MABORT BIT(29) /* Recieved Master Abort */
-int hws_pex_config(const struct serdes_map *serdes_map); +int hws_pex_config(const struct serdes_map *serdes_map, u8 count); int pex_local_bus_num_set(u32 pex_if, u32 bus_num); int pex_local_dev_num_set(u32 pex_if, u32 dev_num); u32 pex_config_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 reg_off); diff --git a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c index 24e9af6..7d67199 100644 --- a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c +++ b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c @@ -20,11 +20,6 @@ #error "No device is defined" #endif
-/* - * The board topology map, initialized in the beginning of - * ctrl_high_speed_serdes_phy_config - */ -struct serdes_map serdes_configuration_map[MAX_SERDES_LANES];
/* * serdes_seq_db - holds all serdes sequences, their size and the @@ -1362,7 +1357,8 @@ enum serdes_seq serdes_type_and_speed_to_speed_seq(enum serdes_type serdes_type, return seq_id; }
-void print_topology_details(const struct serdes_map *serdes_map_array) +static void print_topology_details(const struct serdes_map *serdes_map, + u8 count) { u32 lane_num;
@@ -1370,16 +1366,16 @@ void print_topology_details(const struct serdes_map *serdes_map_array)
DEBUG_INIT_S(" | Lane # | Speed | Type |\n"); DEBUG_INIT_S(" --------------------------------\n"); - for (lane_num = 0; lane_num < hws_serdes_get_max_lane(); lane_num++) { - if (serdes_map_array[lane_num].serdes_type == DEFAULT_SERDES) + for (lane_num = 0; lane_num < count; lane_num++) { + if (serdes_map[lane_num].serdes_type == DEFAULT_SERDES) continue; DEBUG_INIT_S(" | "); DEBUG_INIT_D(hws_get_physical_serdes_num(lane_num), 1); DEBUG_INIT_S(" | "); - DEBUG_INIT_D(serdes_map_array[lane_num].serdes_speed, 2); + DEBUG_INIT_D(serdes_map[lane_num].serdes_speed, 2); DEBUG_INIT_S(" | "); DEBUG_INIT_S((char *) - serdes_type_to_string[serdes_map_array[lane_num]. + serdes_type_to_string[serdes_map[lane_num]. serdes_type]); DEBUG_INIT_S("\t|\n"); } @@ -1413,6 +1409,9 @@ int hws_pre_serdes_init_config(void)
int serdes_phy_config(void) { + struct serdes_map *serdes_map; + u8 serdes_count; + DEBUG_INIT_FULL_S("\n### ctrl_high_speed_serdes_phy_config ###\n");
DEBUG_INIT_S("High speed PHY - Version: "); @@ -1428,17 +1427,21 @@ int serdes_phy_config(void) /* Board topology load */ DEBUG_INIT_FULL_S ("ctrl_high_speed_serdes_phy_config: Loading board topology..\n"); - CHECK_STATUS(hws_board_topology_load(serdes_configuration_map)); + CHECK_STATUS(hws_board_topology_load(&serdes_map, &serdes_count)); + if (serdes_count > hws_serdes_get_max_lane()) { + printf("Error: too many serdes lanes specified by board\n"); + return MV_FAIL; + }
/* print topology */ - print_topology_details(serdes_configuration_map); + print_topology_details(serdes_map, serdes_count); CHECK_STATUS(hws_pre_serdes_init_config());
/* Power-Up sequence */ DEBUG_INIT_FULL_S ("ctrl_high_speed_serdes_phy_config: Starting serdes power up sequence\n");
- CHECK_STATUS(hws_power_up_serdes_lanes(serdes_configuration_map)); + CHECK_STATUS(hws_power_up_serdes_lanes(serdes_map, serdes_count));
DEBUG_INIT_FULL_S ("\n### ctrl_high_speed_serdes_phy_config ended successfully ###\n"); @@ -1462,7 +1465,7 @@ int serdes_polarity_config(u32 serdes_num, int is_rx) return MV_OK; }
-int hws_power_up_serdes_lanes(const struct serdes_map *serdes_config_map) +int hws_power_up_serdes_lanes(struct serdes_map *serdes_map, u8 count) { u32 serdes_id, serdes_lane_num; enum ref_clock ref_clock; @@ -1484,22 +1487,21 @@ int hws_power_up_serdes_lanes(const struct serdes_map *serdes_config_map) /* COMMON PHYS SELECTORS register configuration */ DEBUG_INIT_FULL_S ("hws_power_up_serdes_lanes: Updating COMMON PHYS SELECTORS reg\n"); - CHECK_STATUS(hws_update_serdes_phy_selectors(serdes_configuration_map)); + CHECK_STATUS(hws_update_serdes_phy_selectors(serdes_map, count));
/* per Serdes Power Up */ - for (serdes_id = 0; serdes_id < hws_serdes_get_max_lane(); - serdes_id++) { + for (serdes_id = 0; serdes_id < count; serdes_id++) { DEBUG_INIT_FULL_S ("calling serdes_power_up_ctrl: serdes lane number "); DEBUG_INIT_FULL_D_10(serdes_lane_num, 1); DEBUG_INIT_FULL_S("\n");
serdes_lane_num = hws_get_physical_serdes_num(serdes_id); - serdes_type = serdes_config_map[serdes_id].serdes_type; - serdes_speed = serdes_config_map[serdes_id].serdes_speed; - serdes_mode = serdes_config_map[serdes_id].serdes_mode; - serdes_rx_polarity_swap = serdes_config_map[serdes_id].swap_rx; - serdes_tx_polarity_swap = serdes_config_map[serdes_id].swap_tx; + serdes_type = serdes_map[serdes_id].serdes_type; + serdes_speed = serdes_map[serdes_id].serdes_speed; + serdes_mode = serdes_map[serdes_id].serdes_mode; + serdes_rx_polarity_swap = serdes_map[serdes_id].swap_rx; + serdes_tx_polarity_swap = serdes_map[serdes_id].swap_tx;
/* serdes lane is not in use */ if (serdes_type == DEFAULT_SERDES) @@ -1534,10 +1536,10 @@ int hws_power_up_serdes_lanes(const struct serdes_map *serdes_config_map) /* Set PEX_TX_CONFIG_SEQ sequence for PEXx4 mode. After finish the Power_up sequence for all lanes, the lanes should be released from reset state. */ - CHECK_STATUS(hws_pex_tx_config_seq(serdes_config_map)); + CHECK_STATUS(hws_pex_tx_config_seq(serdes_map, count));
/* PEX configuration */ - CHECK_STATUS(hws_pex_config(serdes_config_map)); + CHECK_STATUS(hws_pex_config(serdes_map, count)); }
/* USB2 configuration */ @@ -1905,7 +1907,7 @@ int serdes_power_up_ctrl(u32 serdes_num, int serdes_power_up, return MV_OK; }
-int hws_update_serdes_phy_selectors(struct serdes_map *serdes_config_map) +int hws_update_serdes_phy_selectors(struct serdes_map *serdes_map, u8 count) { u32 lane_data, idx, serdes_lane_hw_num, reg_data = 0; enum serdes_type serdes_type; @@ -1927,10 +1929,9 @@ int hws_update_serdes_phy_selectors(struct serdes_map *serdes_config_map) * Updating bits 0-17 in the COMMON PHYS SELECTORS register * according to the serdes types */ - for (idx = 0; idx < hws_serdes_get_max_lane(); - idx++) { - serdes_type = serdes_config_map[idx].serdes_type; - serdes_mode = serdes_config_map[idx].serdes_mode; + for (idx = 0; idx < count; idx++) { + serdes_type = serdes_map[idx].serdes_type; + serdes_mode = serdes_map[idx].serdes_mode; serdes_lane_hw_num = hws_get_physical_serdes_num(idx);
lane_data = @@ -1942,7 +1943,7 @@ int hws_update_serdes_phy_selectors(struct serdes_map *serdes_config_map)
if (hws_serdes_topology_verify (serdes_type, idx, serdes_mode) != MV_OK) { - serdes_config_map[idx].serdes_type = + serdes_map[idx].serdes_type = DEFAULT_SERDES; printf("%s: SerDes lane #%d is disabled\n", __func__, serdes_lane_hw_num); @@ -1968,8 +1969,7 @@ int hws_update_serdes_phy_selectors(struct serdes_map *serdes_config_map) printf ("%s: Warning: SerDes lane #%d and type %d are not supported together\n", __func__, serdes_lane_hw_num, serdes_mode); - serdes_config_map[idx].serdes_type = - DEFAULT_SERDES; + serdes_map[idx].serdes_type = DEFAULT_SERDES; printf("%s: SerDes lane #%d is disabled\n", __func__, serdes_lane_hw_num); continue; @@ -1991,7 +1991,7 @@ int hws_update_serdes_phy_selectors(struct serdes_map *serdes_config_map)
/* Print topology */ if (updated_topology_print) - print_topology_details(serdes_config_map); + print_topology_details(serdes_map, count);
/* * Updating the PEXx4 Enable bit in the COMMON PHYS SELECTORS @@ -2145,7 +2145,7 @@ int hws_ref_clock_set(u32 serdes_num, enum serdes_type serdes_type, * RETURNS: MV_OK - for success * MV_BAD_PARAM - for fail */ -int hws_pex_tx_config_seq(const struct serdes_map *serdes_map) +int hws_pex_tx_config_seq(const struct serdes_map *serdes_map, u8 count) { enum serdes_mode serdes_mode; u32 serdes_lane_id, serdes_lane_hw_num; @@ -2159,8 +2159,7 @@ int hws_pex_tx_config_seq(const struct serdes_map *serdes_map) */
/* relese pipe soft reset for all lanes */ - for (serdes_lane_id = 0; serdes_lane_id < hws_serdes_get_max_lane(); - serdes_lane_id++) { + for (serdes_lane_id = 0; serdes_lane_id < count; serdes_lane_id++) { serdes_mode = serdes_map[serdes_lane_id].serdes_mode; serdes_lane_hw_num = hws_get_physical_serdes_num(serdes_lane_id); @@ -2173,8 +2172,7 @@ int hws_pex_tx_config_seq(const struct serdes_map *serdes_map) }
/* set phy soft reset for all lanes */ - for (serdes_lane_id = 0; serdes_lane_id < hws_serdes_get_max_lane(); - serdes_lane_id++) { + for (serdes_lane_id = 0; serdes_lane_id < count; serdes_lane_id++) { serdes_mode = serdes_map[serdes_lane_id].serdes_mode; serdes_lane_hw_num = hws_get_physical_serdes_num(serdes_lane_id); @@ -2186,8 +2184,7 @@ int hws_pex_tx_config_seq(const struct serdes_map *serdes_map) }
/* set phy soft reset for all lanes */ - for (serdes_lane_id = 0; serdes_lane_id < hws_serdes_get_max_lane(); - serdes_lane_id++) { + for (serdes_lane_id = 0; serdes_lane_id < count; serdes_lane_id++) { serdes_mode = serdes_map[serdes_lane_id].serdes_mode; serdes_lane_hw_num = hws_get_physical_serdes_num(serdes_lane_id); diff --git a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.h b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.h index 5f3b9d8..3513770 100644 --- a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.h +++ b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.h @@ -215,12 +215,12 @@ extern u8 selectors_serdes_rev2_map[LAST_SERDES_TYPE][MAX_SERDES_LANES];
u8 hws_ctrl_serdes_rev_get(void); int mv_update_serdes_select_phy_mode_seq(void); -int hws_board_topology_load(struct serdes_map *serdes_map_array); +int hws_board_topology_load(struct serdes_map **serdes_map, u8 *count); enum serdes_seq serdes_type_and_speed_to_speed_seq(enum serdes_type serdes_type, enum serdes_speed baud_rate); int hws_serdes_seq_init(void); int hws_serdes_seq_db_init(void); -int hws_power_up_serdes_lanes(const struct serdes_map *serdes_config_map); +int hws_power_up_serdes_lanes(struct serdes_map *serdes_map, u8 count); int hws_ctrl_high_speed_serdes_phy_config(void); int serdes_power_up_ctrl(u32 serdes_num, int serdes_power_up, enum serdes_type serdes_type, @@ -237,14 +237,14 @@ int hws_serdes_pex_ref_clock_get(enum serdes_type serdes_type, enum ref_clock *ref_clock); int hws_ref_clock_set(u32 serdes_num, enum serdes_type serdes_type, enum ref_clock ref_clock); -int hws_update_serdes_phy_selectors(struct serdes_map *serdes_config_map); +int hws_update_serdes_phy_selectors(struct serdes_map *serdes_map, u8 count); u32 hws_serdes_get_phy_selector_val(int serdes_num, enum serdes_type serdes_type); u32 hws_serdes_get_ref_clock_val(enum serdes_type serdes_type); u32 hws_serdes_get_max_lane(void); int hws_get_ext_base_addr(u32 serdes_num, u32 base_addr, u32 unit_base_offset, u32 *unit_base_reg, u32 *unit_offset); -int hws_pex_tx_config_seq(const struct serdes_map *serdes_map); +int hws_pex_tx_config_seq(const struct serdes_map *serdes_map, u8 count); u32 hws_get_physical_serdes_num(u32 serdes_num); int hws_is_serdes_active(u8 lane_num);
diff --git a/board/Marvell/db-88f6820-gp/db-88f6820-gp.c b/board/Marvell/db-88f6820-gp/db-88f6820-gp.c index 384d002..e700781 100644 --- a/board/Marvell/db-88f6820-gp/db-88f6820-gp.c +++ b/board/Marvell/db-88f6820-gp/db-88f6820-gp.c @@ -65,9 +65,10 @@ static struct serdes_map board_serdes_map[] = { {USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0} };
-int hws_board_topology_load(struct serdes_map *serdes_map_array) +int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count) { - memcpy(serdes_map_array, board_serdes_map, sizeof(board_serdes_map)); + *serdes_map_array = board_serdes_map; + *count = ARRAY_SIZE(board_serdes_map); return 0; }