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PCI: artpec6: Configure FTS with dwc helper function

Use DesignWare helper functions to configure Fast Training Sequence. Drop the respective code in the driver.

Dilip Kota committed 6 years ago

Commit 6fd622c1 parent ed22aaa1 file · +1 −7Browse files

Unified · Split

drivers/pci/controller/dwc/pcie-artpec6.c+1−7
@@ -51,9 +51,6 @@ static const struct of_device_id artpec6_pcie_of_match[]; · 50 unmodified lines
51#define ACK_N_FTS_MASK GENMASK(15, 8)51#define ACK_N_FTS_MASK GENMASK(15, 8)
52#define ACK_N_FTS(x) (((x) << 8) & ACK_N_FTS_MASK)52#define ACK_N_FTS(x) (((x) << 8) & ACK_N_FTS_MASK)
53 53
54#define FAST_TRAINING_SEQ_MASK GENMASK(7, 0)
55#define FAST_TRAINING_SEQ(x) (((x) << 0) & FAST_TRAINING_SEQ_MASK)
56
57/* ARTPEC-6 specific registers */54/* ARTPEC-6 specific registers */
58#define PCIECFG 0x1855#define PCIECFG 0x18
59#define PCIECFG_DBG_OEN BIT(24)56#define PCIECFG_DBG_OEN BIT(24)
@@ -313,10 +310,7 @@ static void artpec6_pcie_set_nfts(struct artpec6_pcie *artpec6_pcie) · 253 unmodified lines
313 * Set the Number of Fast Training Sequences that the core310 * Set the Number of Fast Training Sequences that the core
314 * advertises as its N_FTS during Gen2 or Gen3 link training.311 * advertises as its N_FTS during Gen2 or Gen3 link training.
315 */312 */
316 val = dw_pcie_readl_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL);313 dw_pcie_link_set_n_fts(pci, 180);
317 val &= ~FAST_TRAINING_SEQ_MASK;
318 val |= FAST_TRAINING_SEQ(180);
319 dw_pcie_writel_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL, val);
320}314}
321 315
322static void artpec6_pcie_assert_core_reset(struct artpec6_pcie *artpec6_pcie)316static void artpec6_pcie_assert_core_reset(struct artpec6_pcie *artpec6_pcie)