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realtek: pcs: rtl838x: transplant firmware config
In the PHY driver, firmware files were used to store configuration values for the SerDes which need to be applied upon initialization. There are several issues which prevent to just take that over into the PCS driver: * SerDes and PHY parts are mixed within a firmware file * SerDes access in PHY driver is based on writing into the switch's global register space; PCS driver uses access via MDIO interface --> destination values do not match * firmware file format is not SerDes-agnostic * no documentation or script for the "old" firmware files Unfortunately, there is no proper firmware format yet where to take over the required sequences. Thus, extract the sequences needed for RTL838X SerDes, transform them to work with the MDIO based access and put them as functions in the PCS driver. Note that this should just be a temporary solution. In a next step, a proper firmware format should be established and all configuration sequences currently in the code should be moved into firmware files. Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com> Link: https://github.com/openwrt/openwrt/pull/20876 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Jonas Jelonek
Hauke Mehrtens
parent
328b970ecd
commit
6a5cae7d74
1 changed files with 180 additions and 0 deletions
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@ -51,6 +51,9 @@
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#define RTPCS_931X_MAC_RX_PAUSE_STS 0x0f00
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#define RTPCS_931X_MAC_TX_PAUSE_STS 0x0ef8
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#define RTPCS_838X_SDS_CFG_REG 0x34
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#define RTPCS_838X_RST_GLB_CTRL_0 0x3c
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#define RTPCS_93XX_MAC_LINK_SPD_BITS 4
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#define RTL93XX_MODEL_NAME_INFO (0x0004)
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@ -214,6 +217,183 @@ static struct rtpcs_link *rtpcs_phylink_pcs_to_link(struct phylink_pcs *pcs)
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/* Variant-specific functions */
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/* RTL838X */
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static void rtpcs_838x_sds_take_reset(struct rtpcs_ctrl *ctrl)
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{
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regmap_write(ctrl->map, RTPCS_838X_SDS_CFG_REG, 0x3f);
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regmap_write(ctrl->map, RTPCS_838X_RST_GLB_CTRL_0, 0x10);
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rtpcs_sds_write(ctrl, 0, 0x0, 0x3, 0x7146);
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udelay(1000);
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rtpcs_sds_write(ctrl, 1, 0x0, 0x3, 0x7146);
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udelay(1000);
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rtpcs_sds_write(ctrl, 2, 0x0, 0x3, 0x7146);
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udelay(1000);
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rtpcs_sds_write(ctrl, 3, 0x0, 0x3, 0x7146);
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udelay(1000);
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rtpcs_sds_write(ctrl, 4, 0x0, 0x3, 0x7146);
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udelay(1000);
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rtpcs_sds_write(ctrl, 5, 0x0, 0x3, 0x7146);
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udelay(1000);
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}
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static void rtpcs_838x_sds_reset(struct rtpcs_ctrl *ctrl)
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{
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rtpcs_sds_write(ctrl, 0, 0, 0, 0xc00);
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rtpcs_sds_write(ctrl, 1, 0, 0, 0xc00);
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rtpcs_sds_write(ctrl, 2, 0, 0, 0xc00);
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rtpcs_sds_write(ctrl, 3, 0, 0, 0xc00);
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rtpcs_sds_write(ctrl, 4, 0, 0, 0xc00);
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rtpcs_sds_write(ctrl, 5, 0, 0, 0xc00);
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rtpcs_sds_write(ctrl, 0, 0, 0, 0xc03);
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rtpcs_sds_write(ctrl, 1, 0, 0, 0xc03);
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rtpcs_sds_write(ctrl, 2, 0, 0, 0xc03);
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rtpcs_sds_write(ctrl, 3, 0, 0, 0xc03);
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rtpcs_sds_write(ctrl, 4, 0, 0, 0xc03);
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rtpcs_sds_write(ctrl, 5, 0, 0, 0xc03);
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}
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static void rtpcs_838x_sds_release_reset(struct rtpcs_ctrl *ctrl)
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{
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rtpcs_sds_write(ctrl, 0, 0, 3, 0x7106);
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rtpcs_sds_write(ctrl, 1, 0, 3, 0x7106);
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rtpcs_sds_write(ctrl, 2, 0, 3, 0x7106);
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rtpcs_sds_write(ctrl, 3, 0, 3, 0x7106);
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rtpcs_sds_write(ctrl, 4, 0, 3, 0x7106);
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rtpcs_sds_write(ctrl, 5, 0, 3, 0x7106);
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}
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static void rtpcs_838x_sds_patch_common(struct rtpcs_ctrl *ctrl)
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{
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rtpcs_sds_write(ctrl, 4, 2, 30, 0x71e);
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udelay(1000);
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rtpcs_sds_write(ctrl, 5, 2, 30, 0x71e);
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udelay(1000);
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rtpcs_sds_write(ctrl, 0, 0, 1, 0xf00);
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udelay(1000);
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rtpcs_sds_write(ctrl, 1, 0, 1, 0xf00);
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udelay(1000);
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rtpcs_sds_write(ctrl, 2, 0, 1, 0xf00);
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udelay(1000);
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rtpcs_sds_write(ctrl, 3, 0, 1, 0xf00);
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udelay(1000);
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rtpcs_sds_write(ctrl, 4, 0, 1, 0xf00);
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udelay(1000);
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rtpcs_sds_write(ctrl, 5, 0, 1, 0xf00);
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udelay(1000);
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rtpcs_sds_write(ctrl, 0, 0, 2, 0x7060);
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udelay(1000);
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rtpcs_sds_write(ctrl, 1, 0, 2, 0x7060);
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udelay(1000);
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rtpcs_sds_write(ctrl, 2, 0, 2, 0x7060);
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udelay(1000);
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rtpcs_sds_write(ctrl, 3, 0, 2, 0x7060);
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udelay(1000);
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rtpcs_sds_write(ctrl, 4, 0, 2, 0x7060);
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udelay(1000);
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rtpcs_sds_write(ctrl, 5, 0, 2, 0x7060);
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udelay(1000);
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rtpcs_sds_write(ctrl, 4, 0, 4, 0x74d);
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udelay(1000);
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rtpcs_sds_write(ctrl, 5, 0, 4, 0x74d);
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udelay(1000);
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}
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static void rtpcs_838x_sds_patch_01_qsgmii_6275b(struct rtpcs_ctrl *ctrl)
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{
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rtpcs_sds_write(ctrl, 0, 1, 3, 0xf46f);
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rtpcs_sds_write(ctrl, 0, 1, 2, 0x85fa);
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rtpcs_sds_write(ctrl, 1, 1, 2, 0x85fa);
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rtpcs_sds_write(ctrl, 0, 1, 6, 0x20d8);
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rtpcs_sds_write(ctrl, 1, 1, 6, 0x20d8);
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rtpcs_sds_write(ctrl, 0, 1, 17, 0xb7c9);
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rtpcs_sds_write(ctrl, 1, 1, 11, 0x482);
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rtpcs_sds_write(ctrl, 1, 1, 10, 0x80c7);
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rtpcs_sds_write(ctrl, 0, 1, 18, 0xab8e);
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rtpcs_sds_write(ctrl, 0, 1, 11, 0x482);
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rtpcs_sds_write(ctrl, 0, 1, 19, 0x24ab);
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rtpcs_sds_write(ctrl, 1, 1, 17, 0x4208);
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rtpcs_sds_write(ctrl, 1, 1, 18, 0xc208);
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rtpcs_sds_write(ctrl, 0, 2, 25, 0x303);
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rtpcs_sds_write(ctrl, 1, 2, 25, 0x303);
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rtpcs_sds_write(ctrl, 0, 1, 14, 0xfcc2);
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rtpcs_sds_write(ctrl, 1, 1, 14, 0xfcc2);
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rtpcs_sds_write(ctrl, 0, 1, 9, 0x8e64);
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rtpcs_sds_write(ctrl, 0, 1, 9, 0x8c64);
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rtpcs_sds_write(ctrl, 1, 1, 9, 0x8e64);
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rtpcs_sds_write(ctrl, 1, 1, 9, 0x8c64);
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}
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static void rtpcs_838x_sds_patch_23_qsgmii_6275b(struct rtpcs_ctrl *ctrl)
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{
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rtpcs_sds_write(ctrl, 2, 1, 3, 0xf46d);
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rtpcs_sds_write(ctrl, 2, 1, 2, 0x85fa);
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rtpcs_sds_write(ctrl, 3, 1, 2, 0x85fa);
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// rtpcs_sds_write(ctrl, 4, 1, 2, 0x85fa);
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rtpcs_sds_write(ctrl, 2, 1, 6, 0x20d8);
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rtpcs_sds_write(ctrl, 3, 1, 6, 0x20d8);
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rtpcs_sds_write(ctrl, 2, 1, 17, 0xb7c9);
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rtpcs_sds_write(ctrl, 2, 1, 18, 0xab8e);
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rtpcs_sds_write(ctrl, 2, 1, 11, 0x482);
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rtpcs_sds_write(ctrl, 3, 1, 11, 0x482);
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rtpcs_sds_write(ctrl, 2, 1, 19, 0x24ab);
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rtpcs_sds_write(ctrl, 3, 1, 17, 0x4208);
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rtpcs_sds_write(ctrl, 3, 1, 18, 0xc208);
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rtpcs_sds_write(ctrl, 2, 2, 25, 0x303);
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rtpcs_sds_write(ctrl, 3, 2, 25, 0x303);
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rtpcs_sds_write(ctrl, 2, 1, 14, 0xfcc2);
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rtpcs_sds_write(ctrl, 3, 1, 14, 0xfcc2);
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rtpcs_sds_write(ctrl, 2, 1, 9, 0x8e64);
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rtpcs_sds_write(ctrl, 2, 1, 9, 0x8c64);
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rtpcs_sds_write(ctrl, 3, 1, 9, 0x8e64);
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rtpcs_sds_write(ctrl, 3, 1, 9, 0x8c64);
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}
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static void rtpcs_838x_sds_patch_4_fiber_6275b(struct rtpcs_ctrl *ctrl)
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{
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rtpcs_sds_write(ctrl, 4, 1, 2, 0x85fa);
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rtpcs_sds_write(ctrl, 4, 1, 11, 0x1482);
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rtpcs_sds_write(ctrl, 4, 1, 6, 0x20d8);
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rtpcs_sds_write(ctrl, 4, 1, 10, 0xc3);
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rtpcs_sds_write(ctrl, 4, 1, 17, 0xb7c9);
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rtpcs_sds_write(ctrl, 4, 1, 18, 0xab8e);
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rtpcs_sds_write(ctrl, 4, 2, 25, 0x303);
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rtpcs_sds_write(ctrl, 4, 1, 14, 0xfcc2);
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rtpcs_sds_write(ctrl, 4, 1, 9, 0x8e64);
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rtpcs_sds_write(ctrl, 4, 1, 9, 0x8c64);
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}
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static void rtpcs_838x_sds_patch_5_fiber_6275b(struct rtpcs_ctrl *ctrl)
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{
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rtpcs_sds_write(ctrl, 5, 1, 2, 0x85fa);
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rtpcs_sds_write(ctrl, 5, 1, 3, 0x00);
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rtpcs_sds_write(ctrl, 5, 1, 4, 0xdccc);
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rtpcs_sds_write(ctrl, 5, 1, 5, 0x00);
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rtpcs_sds_write(ctrl, 5, 1, 6, 0x3600);
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rtpcs_sds_write(ctrl, 5, 1, 7, 0x03);
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rtpcs_sds_write(ctrl, 5, 1, 8, 0x79aa);
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rtpcs_sds_write(ctrl, 5, 1, 9, 0x8c64);
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rtpcs_sds_write(ctrl, 5, 1, 10, 0xc3);
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rtpcs_sds_write(ctrl, 5, 1, 11, 0x1482);
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rtpcs_sds_write(ctrl, 5, 2, 24, 0x14aa);
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rtpcs_sds_write(ctrl, 5, 2, 25, 0x303);
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rtpcs_sds_write(ctrl, 5, 1, 14, 0xf002);
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rtpcs_sds_write(ctrl, 5, 2, 27, 0x4bf);
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rtpcs_sds_write(ctrl, 5, 1, 9, 0x8e64);
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rtpcs_sds_write(ctrl, 5, 1, 9, 0x8c64);
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}
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/* RTL930X */
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/* The access registers for SDS_MODE_SEL and the LSB for each SDS within */
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