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Merge branch 'r8169-replace-some-magic-with-more-speaking-functions' 

Heiner Kallweit says:

====================
r8169: replace some magic with more speaking functions

Based on info from Realtek replace some magic with speaking functions
even though the exact meaning of certain values isn't known.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-05-05 21:58:36 -07:00
parent 3a97236472 0ebacd12a1
commit 54516da1ea
1 changed files with 27 additions and 18 deletions
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45
drivers/net/ethernet/realtek/r8169.c
View File

@ -4756,6 +4756,24 @@ static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable)
udelay(10);
}
static void rtl_set_fifo_size(struct rtl8169_private *tp, u16 rx_stat,
u16 tx_stat, u16 rx_dyn, u16 tx_dyn)
{
/* Usage of dynamic vs. static FIFO is controlled by bit
* TXCFG_AUTO_FIFO. Exact meaning of FIFO values isn't known.
*/
rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, (rx_stat << 16) | rx_dyn);
rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, (tx_stat << 16) | tx_dyn);
}
static void rtl8168g_set_pause_thresholds(struct rtl8169_private *tp,
u8 low, u8 high)
{
/* FIFO thresholds for pause flow control */
rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, low);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, high);
}
static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
{
RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
@ -4982,8 +5000,7 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002);
rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006);
rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060);
rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
@ -5012,8 +5029,7 @@ static void rtl_hw_start_8168f(struct rtl8169_private *tp)
rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002);
rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006);
rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
rtl_reset_packet_filter(tp);
rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
rtl_eri_set_bits(tp, 0x1d0, ERIAR_MASK_0001, BIT(4));
@ -5067,10 +5083,8 @@ static void rtl_hw_start_8411(struct rtl8169_private *tp)
static void rtl_hw_start_8168g(struct rtl8169_private *tp)
{
rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002);
rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48);
rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006);
rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
rtl_set_def_aspm_entry_latency(tp);
@ -5162,10 +5176,8 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
rtl_hw_aspm_clkreq_enable(tp, false);
rtl_ephy_init(tp, e_info_8168h_1);
rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002);
rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48);
rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006);
rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
rtl_set_def_aspm_entry_latency(tp);
@ -5242,10 +5254,8 @@ static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
{
rtl8168ep_stop_cmac(tp);
rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002);
rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x2f);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x5f);
rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006);
rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
rtl8168g_set_pause_thresholds(tp, 0x2f, 0x5f);
rtl_set_def_aspm_entry_latency(tp);
@ -5445,8 +5455,7 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp)
rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002);
rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006);
rtl_set_fifo_size(tp, 0x00, 0x00, 0x02, 0x06);
rtl_reset_packet_filter(tp);
rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);